Version in base suite: 12.22.5~dfsg-2~11u1

Base version: nodejs_12.22.5~dfsg-2~11u1
Target version: nodejs_12.22.12~dfsg-1~deb11u2
Base file: /srv/ftp-master.debian.org/ftp/pool/main/n/nodejs/nodejs_12.22.5~dfsg-2~11u1.dsc
Target file: /srv/ftp-master.debian.org/policy/pool/main/n/nodejs/nodejs_12.22.12~dfsg-1~deb11u2.dsc

 CHANGELOG.md                                                                 |    9 
 LICENSE                                                                      |    2 
 README.md                                                                    |   30 
 common.gypi                                                                  |    2 
 debian/changelog                                                             |   35 
 debian/control                                                               |    4 
 debian/gbp.conf                                                              |    2 
 debian/patches/cve-2022-32212.patch                                          |  128 
 debian/patches/cve-2022-35255.patch                                          |  232 
 debian/patches/cve-2022-43548.patch                                          |  209 
 debian/patches/cve-llhttp.patch                                              | 4342 +
 debian/patches/series                                                        |    5 
 debian/patches/test_ci_buildd.patch                                          |    2 
 debian/patches/test_dns_lookupService_promises.patch                         |   15 
 deps/cares/CHANGES                                                           | 5121 +
 deps/cares/CMakeLists.txt                                                    |  766 
 deps/cares/CONTRIBUTING.md                                                   |   15 
 deps/cares/INSTALL.md                                                        |  409 
 deps/cares/Makefile.Watcom                                                   |  164 
 deps/cares/Makefile.am                                                       |   37 
 deps/cares/Makefile.dj                                                       |  102 
 deps/cares/Makefile.in                                                       |  938 
 deps/cares/Makefile.m32                                                      |   77 
 deps/cares/Makefile.msvc                                                     |  491 
 deps/cares/Makefile.netware                                                  |  430 
 deps/cares/README.cares                                                      |    2 
 deps/cares/README.md                                                         |   10 
 deps/cares/RELEASE-NOTES                                                     |  138 
 deps/cares/SECURITY.md                                                       |  100 
 deps/cares/acinclude.m4                                                      | 1915 
 deps/cares/aclocal.m4                                                        | 1211 
 deps/cares/aminclude_static.am                                               |  126 
 deps/cares/buildconf                                                         |    4 
 deps/cares/buildconf.bat                                                     |   20 
 deps/cares/c-ares-config.cmake.in                                            |   21 
 deps/cares/cares.gyp                                                         |    9 
 deps/cares/compile                                                           |  348 
 deps/cares/config.guess                                                      | 1480 
 deps/cares/config.sub                                                        | 1801 
 deps/cares/configure                                                         |36935 ++++++++++
 deps/cares/configure.ac                                                      |  983 
 deps/cares/depcomp                                                           |  791 
 deps/cares/docs/CMakeLists.txt                                               |   17 
 deps/cares/docs/Makefile.am                                                  |   11 
 deps/cares/docs/Makefile.in                                                  |  636 
 deps/cares/docs/Makefile.inc                                                 |   59 
 deps/cares/docs/acountry.1                                                   |   54 
 deps/cares/docs/adig.1                                                       |   85 
 deps/cares/docs/ahost.1                                                      |   59 
 deps/cares/docs/ares_cancel.3                                                |   46 
 deps/cares/docs/ares_create_query.3                                          |   83 
 deps/cares/docs/ares_destroy.3                                               |   40 
 deps/cares/docs/ares_destroy_options.3                                       |   35 
 deps/cares/docs/ares_dup.3                                                   |   39 
 deps/cares/docs/ares_expand_name.3                                           |   65 
 deps/cares/docs/ares_expand_string.3                                         |   61 
 deps/cares/docs/ares_fds.3                                                   |   48 
 deps/cares/docs/ares_free_data.3                                             |   82 
 deps/cares/docs/ares_free_hostent.3                                          |   45 
 deps/cares/docs/ares_free_string.3                                           |   34 
 deps/cares/docs/ares_freeaddrinfo.3                                          |   37 
 deps/cares/docs/ares_get_servers.3                                           |   84 
 deps/cares/docs/ares_get_servers_ports.3                                     |    1 
 deps/cares/docs/ares_getaddrinfo.3                                           |  199 
 deps/cares/docs/ares_gethostbyaddr.3                                         |  104 
 deps/cares/docs/ares_gethostbyname.3                                         |  111 
 deps/cares/docs/ares_gethostbyname_file.3                                    |   83 
 deps/cares/docs/ares_getnameinfo.3                                           |  151 
 deps/cares/docs/ares_getsock.3                                               |   57 
 deps/cares/docs/ares_inet_ntop.3                                             |   47 
 deps/cares/docs/ares_inet_pton.3                                             |   43 
 deps/cares/docs/ares_init.3                                                  |   81 
 deps/cares/docs/ares_init_options.3                                          |  295 
 deps/cares/docs/ares_library_cleanup.3                                       |   84 
 deps/cares/docs/ares_library_init.3                                          |  114 
 deps/cares/docs/ares_library_init_android.3                                  |  142 
 deps/cares/docs/ares_library_initialized.3                                   |   34 
 deps/cares/docs/ares_mkquery.3                                               |   89 
 deps/cares/docs/ares_parse_a_reply.3                                         |   80 
 deps/cares/docs/ares_parse_aaaa_reply.3                                      |   80 
 deps/cares/docs/ares_parse_caa_reply.3                                       |  171 
 deps/cares/docs/ares_parse_mx_reply.3                                        |   79 
 deps/cares/docs/ares_parse_naptr_reply.3                                     |   83 
 deps/cares/docs/ares_parse_ns_reply.3                                        |   66 
 deps/cares/docs/ares_parse_ptr_reply.3                                       |   74 
 deps/cares/docs/ares_parse_soa_reply.3                                       |   80 
 deps/cares/docs/ares_parse_srv_reply.3                                       |   81 
 deps/cares/docs/ares_parse_txt_reply.3                                       |  120 
 deps/cares/docs/ares_parse_uri_reply.3                                       |   81 
 deps/cares/docs/ares_process.3                                               |   79 
 deps/cares/docs/ares_query.3                                                 |  149 
 deps/cares/docs/ares_save_options.3                                          |   74 
 deps/cares/docs/ares_search.3                                                |  151 
 deps/cares/docs/ares_send.3                                                  |  123 
 deps/cares/docs/ares_set_local_dev.3                                         |   39 
 deps/cares/docs/ares_set_local_ip4.3                                         |   34 
 deps/cares/docs/ares_set_local_ip6.3                                         |   35 
 deps/cares/docs/ares_set_servers.3                                           |   95 
 deps/cares/docs/ares_set_servers_csv.3                                       |   67 
 deps/cares/docs/ares_set_servers_ports.3                                     |    1 
 deps/cares/docs/ares_set_servers_ports_csv.3                                 |    1 
 deps/cares/docs/ares_set_socket_callback.3                                   |   32 
 deps/cares/docs/ares_set_socket_configure_callback.3                         |   33 
 deps/cares/docs/ares_set_socket_functions.3                                  |   99 
 deps/cares/docs/ares_set_sortlist.3                                          |   58 
 deps/cares/docs/ares_strerror.3                                              |   37 
 deps/cares/docs/ares_timeout.3                                               |   46 
 deps/cares/docs/ares_version.3                                               |   35 
 deps/cares/get_ver.awk                                                       |   27 
 deps/cares/include/CMakeLists.txt                                            |    8 
 deps/cares/include/Makefile.am                                               |    7 
 deps/cares/include/Makefile.in                                               |  623 
 deps/cares/include/ares.h                                                    |   15 
 deps/cares/include/ares_build.h                                              |    4 
 deps/cares/include/ares_build.h.cmake                                        |   43 
 deps/cares/include/ares_build.h.in                                           |  103 
 deps/cares/include/ares_nameser.h                                            |  484 
 deps/cares/include/ares_rules.h                                              |    4 
 deps/cares/include/ares_version.h                                            |    8 
 deps/cares/install-sh                                                        |  541 
 deps/cares/libcares.pc.cmake                                                 |   20 
 deps/cares/libcares.pc.in                                                    |   20 
 deps/cares/ltmain.sh                                                         |11251 +++
 deps/cares/m4/ax_ac_append_to_file.m4                                        |   32 
 deps/cares/m4/ax_ac_print_to_file.m4                                         |   32 
 deps/cares/m4/ax_add_am_macro_static.m4                                      |   28 
 deps/cares/m4/ax_am_macros_static.m4                                         |   38 
 deps/cares/m4/ax_check_gnu_make.m4                                           |   95 
 deps/cares/m4/ax_check_user_namespace.m4                                     |   54 
 deps/cares/m4/ax_check_uts_namespace.m4                                      |   76 
 deps/cares/m4/ax_code_coverage.m4                                            |  272 
 deps/cares/m4/ax_cxx_compile_stdcxx_11.m4                                    |  163 
 deps/cares/m4/ax_file_escapes.m4                                             |   30 
 deps/cares/m4/ax_pthread.m4                                                  |  332 
 deps/cares/m4/ax_require_defined.m4                                          |   37 
 deps/cares/m4/cares-compilers.m4                                             | 1496 
 deps/cares/m4/cares-confopts.m4                                              |  356 
 deps/cares/m4/cares-functions.m4                                             | 3755 +
 deps/cares/m4/cares-reentrant.m4                                             |  611 
 deps/cares/m4/libtool.m4                                                     | 8394 ++
 deps/cares/m4/ltoptions.m4                                                   |  437 
 deps/cares/m4/ltsugar.m4                                                     |  124 
 deps/cares/m4/ltversion.m4                                                   |   23 
 deps/cares/m4/lt~obsolete.m4                                                 |   99 
 deps/cares/m4/xc-am-iface.m4                                                 |  253 
 deps/cares/m4/xc-cc-check.m4                                                 |   96 
 deps/cares/m4/xc-lt-iface.m4                                                 |  465 
 deps/cares/m4/xc-translit.m4                                                 |  164 
 deps/cares/m4/xc-val-flgs.m4                                                 |  243 
 deps/cares/m4/zz40-xc-ovr.m4                                                 |  668 
 deps/cares/maketgz                                                           |   69 
 deps/cares/missing                                                           |  215 
 deps/cares/msvc_ver.inc                                                      |   24 
 deps/cares/src/CMakeLists.txt                                                |    2 
 deps/cares/src/Makefile.am                                                   |    2 
 deps/cares/src/Makefile.in                                                   |  666 
 deps/cares/src/lib/CMakeLists.txt                                            |  115 
 deps/cares/src/lib/Makefile.am                                               |   74 
 deps/cares/src/lib/Makefile.in                                               | 1764 
 deps/cares/src/lib/Makefile.inc                                              |   81 
 deps/cares/src/lib/ares__addrinfo2hostent.c                                  |  266 
 deps/cares/src/lib/ares__addrinfo_localhost.c                                |  240 
 deps/cares/src/lib/ares__parse_into_addrinfo.c                               |  129 
 deps/cares/src/lib/ares__readaddrinfo.c                                      |   73 
 deps/cares/src/lib/ares__sortaddrinfo.c                                      |   16 
 deps/cares/src/lib/ares_config.h.cmake                                       |  432 
 deps/cares/src/lib/ares_config.h.in                                          |  502 
 deps/cares/src/lib/ares_data.c                                               |   16 
 deps/cares/src/lib/ares_data.h                                               |    2 
 deps/cares/src/lib/ares_expand_name.c                                        |   15 
 deps/cares/src/lib/ares_freeaddrinfo.c                                       |    1 
 deps/cares/src/lib/ares_getaddrinfo.c                                        |  151 
 deps/cares/src/lib/ares_gethostbyname.c                                      |  460 
 deps/cares/src/lib/ares_init.c                                               |    2 
 deps/cares/src/lib/ares_nameser.h                                            |  482 
 deps/cares/src/lib/ares_parse_a_reply.c                                      |  165 
 deps/cares/src/lib/ares_parse_aaaa_reply.c                                   |  164 
 deps/cares/src/lib/ares_parse_uri_reply.c                                    |  184 
 deps/cares/src/lib/ares_private.h                                            |   24 
 deps/cares/src/lib/ares_strdup.c                                             |   31 
 deps/cares/src/lib/cares.rc                                                  |   65 
 deps/cares/src/lib/config-dos.h                                              |  115 
 deps/cares/src/tools/CMakeLists.txt                                          |   55 
 deps/cares/src/tools/Makefile.am                                             |   36 
 deps/cares/src/tools/Makefile.in                                             |  944 
 deps/cares/src/tools/Makefile.inc                                            |    7 
 deps/cares/src/tools/acountry.c                                              |  652 
 deps/cares/src/tools/adig.c                                                  |  983 
 deps/cares/src/tools/ahost.c                                                 |  231 
 deps/cjs-module-lexer/CHANGELOG.md                                           |    3 
 deps/cjs-module-lexer/README.md                                              |    2 
 deps/cjs-module-lexer/lexer.js                                               |    8 
 deps/cjs-module-lexer/package.json                                           |    2 
 deps/llhttp/README.md                                                        |    4 
 deps/llhttp/include/llhttp.h                                                 |    2 
 deps/llhttp/src/llhttp.c                                                     |  858 
 deps/openssl/config/archs/BSD-x86/asm/configdata.pm                          |    6 
 deps/openssl/config/archs/BSD-x86/asm/crypto/buildinf.h                      |    2 
 deps/openssl/config/archs/BSD-x86/asm/include/progs.h                        |    2 
 deps/openssl/config/archs/BSD-x86/asm_avx2/configdata.pm                     |    6 
 deps/openssl/config/archs/BSD-x86/asm_avx2/crypto/buildinf.h                 |    2 
 deps/openssl/config/archs/BSD-x86/asm_avx2/include/progs.h                   |    2 
 deps/openssl/config/archs/BSD-x86/no-asm/configdata.pm                       |    6 
 deps/openssl/config/archs/BSD-x86/no-asm/crypto/buildinf.h                   |    2 
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 deps/openssl/config/archs/BSD-x86_64/asm/configdata.pm                       |    6 
 deps/openssl/config/archs/BSD-x86_64/asm/crypto/buildinf.h                   |    2 
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 deps/openssl/config/archs/BSD-x86_64/asm_avx2/configdata.pm                  |    6 
 deps/openssl/config/archs/BSD-x86_64/asm_avx2/crypto/buildinf.h              |    2 
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 deps/openssl/config/archs/BSD-x86_64/no-asm/crypto/buildinf.h                |    2 
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 deps/openssl/config/archs/VC-WIN64A/asm/crypto/chacha/chacha-x86_64.asm      |   54 
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 deps/openssl/config/archs/VC-WIN64A/asm_avx2/configdata.pm                   |    8 
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 deps/openssl/config/archs/VC-WIN64A/asm_avx2/crypto/chacha/chacha-x86_64.asm |   54 
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 deps/openssl/config/archs/VC-WIN64A/no-asm/configdata.pm                     |    8 
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 src/node_worker.h                                                            |    2 
 test/cctest/test_js_native_api_v8.cc                                         |  102 
 test/cctest/test_node_api.cc                                                 |   41 
 test/common/index.js                                                         |    7 
 test/es-module/test-esm-encoded-path.mjs                                     |    3 
 test/es-module/test-esm-exports.mjs                                          |    5 
 test/es-module/test-esm-imports.mjs                                          |    6 
 test/es-module/test-esm-pkgname.mjs                                          |    4 
 test/fixtures/es-modules/pkgimports/package.json                             |    3 
 test/fixtures/es-modules/test-esm-comma,.mjs                                 |    1 
 test/fixtures/keys/Makefile                                                  |   28 
 test/fixtures/keys/incorrect_san_correct_subject-cert.pem                    |   11 
 test/fixtures/keys/incorrect_san_correct_subject-key.pem                     |    5 
 test/fixtures/keys/irrelevant_san_correct_subject-cert.pem                   |   11 
 test/fixtures/keys/irrelevant_san_correct_subject-key.pem                    |    5 
 test/fixtures/x509-escaping/.gitignore                                       |    2 
 test/fixtures/x509-escaping/alt-0-cert.pem                                   |   29 
 test/fixtures/x509-escaping/alt-1-cert.pem                                   |   28 
 test/fixtures/x509-escaping/alt-10-cert.pem                                  |   28 
 test/fixtures/x509-escaping/alt-11-cert.pem                                  |   28 
 test/fixtures/x509-escaping/alt-12-cert.pem                                  |   28 
 test/fixtures/x509-escaping/alt-13-cert.pem                                  |   28 
 test/fixtures/x509-escaping/alt-14-cert.pem                                  |   29 
 test/fixtures/x509-escaping/alt-15-cert.pem                                  |   29 
 test/fixtures/x509-escaping/alt-16-cert.pem                                  |   29 
 test/fixtures/x509-escaping/alt-17-cert.pem                                  |   29 
 test/fixtures/x509-escaping/alt-18-cert.pem                                  |   29 
 test/fixtures/x509-escaping/alt-19-cert.pem                                  |   29 
 test/fixtures/x509-escaping/alt-2-cert.pem                                   |   28 
 test/fixtures/x509-escaping/alt-20-cert.pem                                  |   29 
 test/fixtures/x509-escaping/alt-21-cert.pem                                  |   29 
 test/fixtures/x509-escaping/alt-22-cert.pem                                  |   28 
 test/fixtures/x509-escaping/alt-23-cert.pem                                  |   28 
 test/fixtures/x509-escaping/alt-24-cert.pem                                  |   28 
 test/fixtures/x509-escaping/alt-25-cert.pem                                  |   29 
 test/fixtures/x509-escaping/alt-26-cert.pem                                  |   29 
 test/fixtures/x509-escaping/alt-27-cert.pem                                  |   28 
 test/fixtures/x509-escaping/alt-28-cert.pem                                  |   28 
 test/fixtures/x509-escaping/alt-29-cert.pem                                  |   28 
 test/fixtures/x509-escaping/alt-3-cert.pem                                   |   28 
 test/fixtures/x509-escaping/alt-30-cert.pem                                  |   28 
 test/fixtures/x509-escaping/alt-4-cert.pem                                   |   28 
 test/fixtures/x509-escaping/alt-5-cert.pem                                   |   29 
 test/fixtures/x509-escaping/alt-6-cert.pem                                   |   28 
 test/fixtures/x509-escaping/alt-7-cert.pem                                   |   28 
 test/fixtures/x509-escaping/alt-8-cert.pem                                   |   28 
 test/fixtures/x509-escaping/alt-9-cert.pem                                   |   28 
 test/fixtures/x509-escaping/create-certs.js                                  |  643 
 test/fixtures/x509-escaping/google/intermediate.pem                          |   11 
 test/fixtures/x509-escaping/google/key.pem                                   |    5 
 test/fixtures/x509-escaping/google/leaf0.pem                                 |   10 
 test/fixtures/x509-escaping/google/leaf1.pem                                 |   10 
 test/fixtures/x509-escaping/google/leaf2.pem                                 |   10 
 test/fixtures/x509-escaping/google/leaf3.pem                                 |   10 
 test/fixtures/x509-escaping/google/leaf4.pem                                 |   10 
 test/fixtures/x509-escaping/google/root.pem                                  |    9 
 test/fixtures/x509-escaping/info-0-cert.pem                                  |   30 
 test/fixtures/x509-escaping/info-1-cert.pem                                  |   31 
 test/fixtures/x509-escaping/info-2-cert.pem                                  |   29 
 test/fixtures/x509-escaping/info-3-cert.pem                                  |   30 
 test/fixtures/x509-escaping/info-4-cert.pem                                  |   29 
 test/fixtures/x509-escaping/package.json                                     |   12 
 test/fixtures/x509-escaping/server-key.pem                                   |   52 
 test/fixtures/x509-escaping/subj-0-cert.pem                                  |   28 
 test/fixtures/x509-escaping/subj-1-cert.pem                                  |   28 
 test/fixtures/x509-escaping/subj-2-cert.pem                                  |   28 
 test/fixtures/x509-escaping/subj-3-cert.pem                                  |   28 
 test/fixtures/x509-escaping/subj-4-cert.pem                                  |   28 
 test/fixtures/x509-escaping/subj-5-cert.pem                                  |   28 
 test/fixtures/x509-escaping/subj-6-cert.pem                                  |   28 
 test/fixtures/x509-escaping/subj-7-cert.pem                                  |   28 
 test/fixtures/x509-escaping/subj-8-cert.pem                                  |   28 
 test/fixtures/x509-escaping/subj-9-cert.pem                                  |   28 
 test/js-native-api/test_reference_double_free/binding.gyp                    |   11 
 test/js-native-api/test_reference_double_free/test.js                        |   11 
 test/js-native-api/test_reference_double_free/test_reference_double_free.c   |   55 
 test/node-api/test_env_teardown_gc/binding.c                                 |   37 
 test/node-api/test_env_teardown_gc/binding.gyp                               |    8 
 test/node-api/test_env_teardown_gc/test.js                                   |   14 
 test/parallel/test-child-process-advanced-serialization-largebuffer.js       |   27 
 test/parallel/test-child-process-pipe-dataflow.js                            |   12 
 test/parallel/test-console-table.js                                          |   15 
 test/parallel/test-http-chunked-smuggling.js                                 |   43 
 test/parallel/test-http-request-smuggling-content-length.js                  |   31 
 test/parallel/test-repl-pretty-stack-custom-writer.js                        |   23 
 test/parallel/test-revert-CVE-2021-44531.js                                  |   64 
 test/parallel/test-tls-0-dns-altname-revert-CVE-2021-44532.js                |   54 
 test/parallel/test-tls-0-dns-altname.js                                      |    2 
 test/parallel/test-tls-check-server-identity.js                              |   28 
 test/parallel/test-worker-nearheaplimit-deadlock.js                          |   22 
 test/parallel/test-x509-escaping-revert-CVE-2021-44532.js                    |  360 
 test/parallel/test-x509-escaping.js                                          |  490 
 tools/update-cares.sh                                                        |   56 
 types-node/README.md                                                         |    6 
 types-node/async_hooks.d.ts                                                  |    2 
 types-node/base.d.ts                                                         |   19 
 types-node/child_process.d.ts                                                |   48 
 types-node/crypto.d.ts                                                       |   32 
 types-node/dgram.d.ts                                                        |   16 
 types-node/fs.d.ts                                                           |   33 
 types-node/globals.d.ts                                                      |  178 
 types-node/http.d.ts                                                         |    7 
 types-node/http2.d.ts                                                        |    8 
 types-node/index.d.ts                                                        |   55 
 types-node/inspector.d.ts                                                    |   10 
 types-node/net.d.ts                                                          |   18 
 types-node/package.json                                                      |   23 
 types-node/readline.d.ts                                                     |    1 
 types-node/stream.d.ts                                                       |   17 
 types-node/timers.d.ts                                                       |    6 
 types-node/tls.d.ts                                                          |   10 
 types-node/ts3.6/assert.d.ts                                                 |   91 
 types-node/ts3.6/base.d.ts                                                   |   58 
 types-node/ts3.6/index.d.ts                                                  |    7 
 types-node/url.d.ts                                                          |   32 
 vcbuild.bat                                                                  |    2 
 784 files changed, 113302 insertions(+), 4451 deletions(-)

diff -Nru nodejs-12.22.5~dfsg/CHANGELOG.md nodejs-12.22.12~dfsg/CHANGELOG.md
--- nodejs-12.22.5~dfsg/CHANGELOG.md	2021-08-11 01:39:06.000000000 +0000
+++ nodejs-12.22.12~dfsg/CHANGELOG.md	2022-04-05 07:16:59.000000000 +0000
@@ -28,7 +28,14 @@
 </tr>
 <tr>
     <td valign="top">
-<b><a href="doc/changelogs/CHANGELOG_V12.md#12.22.5">12.22.5</a></b><br/>
+<b><a href="doc/changelogs/CHANGELOG_V12.md#12.22.12">12.22.12</a></b><br/>
+<a href="doc/changelogs/CHANGELOG_V12.md#12.22.11">12.22.11</a><br/>
+<a href="doc/changelogs/CHANGELOG_V12.md#12.22.10">12.22.10</a><br/>
+<a href="doc/changelogs/CHANGELOG_V12.md#12.22.9">12.22.9</a><br/>
+<a href="doc/changelogs/CHANGELOG_V12.md#12.22.8">12.22.8</a><br/>
+<a href="doc/changelogs/CHANGELOG_V12.md#12.22.7">12.22.7</a><br/>
+<a href="doc/changelogs/CHANGELOG_V12.md#12.22.6">12.22.6</a><br/>
+<a href="doc/changelogs/CHANGELOG_V12.md#12.22.5">12.22.5</a><br/>
 <a href="doc/changelogs/CHANGELOG_V12.md#12.22.4">12.22.4</a><br/>
 <a href="doc/changelogs/CHANGELOG_V12.md#12.22.3">12.22.3</a><br/>
 <a href="doc/changelogs/CHANGELOG_V12.md#12.22.2">12.22.2</a><br/>
diff -Nru nodejs-12.22.5~dfsg/LICENSE nodejs-12.22.12~dfsg/LICENSE
--- nodejs-12.22.5~dfsg/LICENSE	2021-08-11 01:39:06.000000000 +0000
+++ nodejs-12.22.12~dfsg/LICENSE	2022-04-05 07:16:59.000000000 +0000
@@ -1294,7 +1294,7 @@
     WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   """
 
-- gtest, located at test/cctest/gtest, is licensed as follows:
+- gtest, located at src/gtest and test/cctest/gtest, is licensed as follows:
   """
     Copyright 2008, Google Inc.
     All rights reserved.
diff -Nru nodejs-12.22.5~dfsg/README.md nodejs-12.22.12~dfsg/README.md
--- nodejs-12.22.5~dfsg/README.md	2021-08-11 01:39:06.000000000 +0000
+++ nodejs-12.22.12~dfsg/README.md	2022-04-05 07:16:59.000000000 +0000
@@ -115,7 +115,7 @@
 import the keys:
 
 ```console
-$ gpg --keyserver pool.sks-keyservers.net --recv-keys DD8F2338BAE7501E3DD5AC78C273792F7D83545D
+$ gpg --keyserver hkps://keys.openpgp.org --recv-keys DD8F2338BAE7501E3DD5AC78C273792F7D83545D
 ```
 
 See the bottom of this README for a full script to import active release keys.
@@ -581,8 +581,12 @@
 
 * **Beth Griggs** &lt;bgriggs@redhat.com&gt;
 `4ED778F539E3634C779C87C6D7062848A1AB005C`
+* **Bryan English** &lt;bryan@bryanenglish.com&gt;
+`141F07595B7B3FFE74309A937405533BE57C7D57`
 * **Colin Ihrig** &lt;cjihrig@gmail.com&gt;
 `94AE36675C464D64BAFA68DD7434390BDBE9B9C5`
+* **Danielle Adams** &lt;adamzdanielle@gmail.com&gt;
+`74F12602B6F1C4E913FAA37AD3A89613643B6201`
 * **James M Snell** &lt;jasnell@keybase.io&gt;
 `71DCFD284A79C3B38668286BC97EC7A07EDE3FC1`
 * **Michaël Zasso** &lt;targos@protonmail.com&gt;
@@ -603,16 +607,18 @@
 To import the full set of trusted release keys:
 
 ```bash
-gpg --keyserver pool.sks-keyservers.net --recv-keys 4ED778F539E3634C779C87C6D7062848A1AB005C
-gpg --keyserver pool.sks-keyservers.net --recv-keys 94AE36675C464D64BAFA68DD7434390BDBE9B9C5
-gpg --keyserver pool.sks-keyservers.net --recv-keys 71DCFD284A79C3B38668286BC97EC7A07EDE3FC1
-gpg --keyserver pool.sks-keyservers.net --recv-keys 8FCCA13FEF1D0C2E91008E09770F7A9A5AE15600
-gpg --keyserver pool.sks-keyservers.net --recv-keys C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8
-gpg --keyserver pool.sks-keyservers.net --recv-keys C82FA3AE1CBEDC6BE46B9360C43CEC45C17AB93C
-gpg --keyserver pool.sks-keyservers.net --recv-keys DD8F2338BAE7501E3DD5AC78C273792F7D83545D
-gpg --keyserver pool.sks-keyservers.net --recv-keys A48C2BEE680E841632CD4E44F07496B3EB3C1762
-gpg --keyserver pool.sks-keyservers.net --recv-keys 108F52B48DB57BB0CC439B2997B01419BD92F80A
-gpg --keyserver pool.sks-keyservers.net --recv-keys B9E2F5981AA6E0CD28160D9FF13993A75599653C
+gpg --keyserver hkps://keys.openpgp.org --recv-keys 4ED778F539E3634C779C87C6D7062848A1AB005C
+gpg --keyserver hkps://keys.openpgp.org --recv-keys 141F07595B7B3FFE74309A937405533BE57C7D57
+gpg --keyserver hkps://keys.openpgp.org --recv-keys 94AE36675C464D64BAFA68DD7434390BDBE9B9C5
+gpg --keyserver hkps://keys.openpgp.org --recv-keys 74F12602B6F1C4E913FAA37AD3A89613643B6201
+gpg --keyserver hkps://keys.openpgp.org --recv-keys 71DCFD284A79C3B38668286BC97EC7A07EDE3FC1
+gpg --keyserver hkps://keys.openpgp.org --recv-keys 8FCCA13FEF1D0C2E91008E09770F7A9A5AE15600
+gpg --keyserver hkps://keys.openpgp.org --recv-keys C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8
+gpg --keyserver hkps://keys.openpgp.org --recv-keys C82FA3AE1CBEDC6BE46B9360C43CEC45C17AB93C
+gpg --keyserver hkps://keys.openpgp.org --recv-keys DD8F2338BAE7501E3DD5AC78C273792F7D83545D
+gpg --keyserver hkps://keys.openpgp.org --recv-keys A48C2BEE680E841632CD4E44F07496B3EB3C1762
+gpg --keyserver hkps://keys.openpgp.org --recv-keys 108F52B48DB57BB0CC439B2997B01419BD92F80A
+gpg --keyserver hkps://keys.openpgp.org --recv-keys B9E2F5981AA6E0CD28160D9FF13993A75599653C
 ```
 
 See the section above on [Verifying Binaries](#verifying-binaries) for how to
@@ -622,6 +628,8 @@
 
 * **Chris Dickinson** &lt;christopher.s.dickinson@gmail.com&gt;
 `9554F04D7259F04124DE6B476D5A82AC7E37093B`
+* **Danielle Adams** &lt;adamzdanielle@gmail.com&gt;
+`1C050899334244A8AF75E53792EF661D867B9DFA`
 * **Evan Lucas** &lt;evanlucas@me.com&gt;
 `B9AE9905FFD7803F25714661B63B535A4C206CA9`
 * **Gibson Fahnestock** &lt;gibfahn@gmail.com&gt;
diff -Nru nodejs-12.22.5~dfsg/common.gypi nodejs-12.22.12~dfsg/common.gypi
--- nodejs-12.22.5~dfsg/common.gypi	2021-08-11 01:39:06.000000000 +0000
+++ nodejs-12.22.12~dfsg/common.gypi	2022-04-05 07:16:59.000000000 +0000
@@ -34,7 +34,7 @@
 
     # Reset this number to 0 on major V8 upgrades.
     # Increment by one for each non-official patch applied to deps/v8.
-    'v8_embedder_string': '-node.56',
+    'v8_embedder_string': '-node.57',
 
     ##### V8 defaults for Node.js #####
 
diff -Nru nodejs-12.22.5~dfsg/debian/changelog nodejs-12.22.12~dfsg/debian/changelog
--- nodejs-12.22.5~dfsg/debian/changelog	2021-08-11 19:06:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/debian/changelog	2023-01-07 11:27:55.000000000 +0000
@@ -1,4 +1,37 @@
-nodejs (12.22.5~dfsg-2~11u1) bullseye-security; urgency=medium
+nodejs (12.22.12~dfsg-1~deb11u2) bullseye-security; urgency=high
+
+  * Non-maintainer upload by the Security Team.
+  * Backport upstream fix for:
+    - CVE-2022-32212, CVE-2022-43548: IsAllowedHost check bypass
+    - CVE-2022-32213, CVE-2022-32214, CVE-2022-32215, CVE-2022-35256: several HTTP
+      Request Smuggling (HRS) in llhttp parser.
+    - CVE-2022-35255: better randomness setup V8:EntropySource()
+
+ -- Aron Xu <aron@debian.org>  Sat, 07 Jan 2023 19:27:55 +0800
+
+nodejs (12.22.12~dfsg-1~deb11u1) bullseye-security; urgency=medium
+
+  * New upstream version 12.22.12
+    Fixes a shutdown crash in Node-API (formerly N-API) and
+    a potential stack overflow when using vm.runInNewContext().
+  * Backport upstream fix for test_dns_lookupService_promises.js
+    to pass also when /etc/services is not installed.
+  * New upstream version 12.22.9
+    + CVE-2021-44532: Certificate Verification Bypass
+      via String Injection (Medium)
+    + CVE-2021-44533: Incorrect handling of certificate subject
+      and issuer fields (Medium
+    + CVE-2022-21824: Prototype pollution via console.table
+      properties (Low)
+  * New upstream version 12.22.7
+    + CVE-2021-22959: HTTP Request Smuggling due to
+      spaced in headers (Medium)
+    + CVE-2021-22960: HTTP Request Smuggling
+      when parsing the body (Medium)
+
+ -- Jérémy Lal <kapouer@melix.org>  Mon, 27 Jun 2022 00:01:12 +0200
+
+nodejs (12.22.5~dfsg-2~deb11u1) bullseye-security; urgency=medium
 
   * ares_compat.patch let node compile against ares < 1.17.2
     Closes: #992112
diff -Nru nodejs-12.22.5~dfsg/debian/control nodejs-12.22.12~dfsg/debian/control
--- nodejs-12.22.5~dfsg/debian/control	2021-04-21 10:40:54.000000000 +0000
+++ nodejs-12.22.12~dfsg/debian/control	2021-10-12 21:57:02.000000000 +0000
@@ -32,8 +32,8 @@
  node-marked
 Standards-Version: 4.5.1
 Homepage: https://nodejs.org/
-Vcs-Browser: https://salsa.debian.org/js-team/nodejs/tree/master-12.x
-Vcs-Git: https://salsa.debian.org/js-team/nodejs.git -b master-12.x
+Vcs-Browser: https://salsa.debian.org/js-team/nodejs/tree/debian/bullseye
+Vcs-Git: https://salsa.debian.org/js-team/nodejs.git -b debian/bullseye
 Rules-Requires-Root: no
 
 Package: libnode-dev
diff -Nru nodejs-12.22.5~dfsg/debian/gbp.conf nodejs-12.22.12~dfsg/debian/gbp.conf
--- nodejs-12.22.5~dfsg/debian/gbp.conf	2021-02-23 18:22:31.000000000 +0000
+++ nodejs-12.22.12~dfsg/debian/gbp.conf	2021-10-12 21:57:20.000000000 +0000
@@ -2,7 +2,7 @@
 
 [DEFAULT]
 upstream-branch = upstream-12.x
-debian-branch = master-12.x
+debian-branch = debian/bullseye
 component=['types-node']
 
 pristine-tar = True
diff -Nru nodejs-12.22.5~dfsg/debian/patches/cve-2022-32212.patch nodejs-12.22.12~dfsg/debian/patches/cve-2022-32212.patch
--- nodejs-12.22.5~dfsg/debian/patches/cve-2022-32212.patch	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/debian/patches/cve-2022-32212.patch	2023-01-07 11:27:12.000000000 +0000
@@ -0,0 +1,128 @@
+commit 48c5aa5cab718d04473fa2761d532657c84b8131
+Author: Tobias Nießen <tniessen@tnie.de>
+Date:   Fri May 27 21:18:49 2022 +0000
+
+    src: fix IPv4 validation in inspector_socket
+    
+    Co-authored-by: RafaelGSS <rafael.nunu@hotmail.com>
+    PR-URL: https://github.com/nodejs-private/node-private/pull/320
+    Backport-PR-URL: https://github.com/nodejs-private/node-private/pull/325
+    Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
+    Reviewed-By: RafaelGSS <rafael.nunu@hotmail.com>
+    CVE-ID: CVE-2022-32212
+
+Index: nodejs-12.22.12~dfsg/src/inspector_socket.cc
+===================================================================
+--- nodejs-12.22.12~dfsg.orig/src/inspector_socket.cc
++++ nodejs-12.22.12~dfsg/src/inspector_socket.cc
+@@ -168,14 +168,22 @@ static std::string TrimPort(const std::s
+ static bool IsIPAddress(const std::string& host) {
+   if (host.length() >= 4 && host.front() == '[' && host.back() == ']')
+     return true;
+-  int quads = 0;
++  uint_fast16_t accum = 0;
++  uint_fast8_t quads = 0;
++  bool empty = true;
++  auto endOctet = [&accum, &quads, &empty](bool final = false) {
++    return !empty && accum <= 0xff && ++quads <= 4 && final == (quads == 4) &&
++           (empty = true) && !(accum = 0);
++  };
+   for (char c : host) {
+-    if (c == '.')
+-      quads++;
+-    else if (!isdigit(c))
++    if (isdigit(c)) {
++      if ((accum = (accum * 10) + (c - '0')) > 0xff) return false;
++      empty = false;
++    } else if (c != '.' || !endOctet()) {
+       return false;
++    }
+   }
+-  return quads == 3;
++  return endOctet(true);
+ }
+ 
+ // Constants for hybi-10 frame format.
+Index: nodejs-12.22.12~dfsg/test/cctest/test_inspector_socket.cc
+===================================================================
+--- nodejs-12.22.12~dfsg.orig/test/cctest/test_inspector_socket.cc
++++ nodejs-12.22.12~dfsg/test/cctest/test_inspector_socket.cc
+@@ -851,4 +851,78 @@ TEST_F(InspectorSocketTest, HostCheckedF
+   expect_failure_no_delegate(UPGRADE_REQUEST);
+ }
+ 
++TEST_F(InspectorSocketTest, HostIPChecked) {
++  const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n"
++                                              "Host: 10.0.2.555:9229\r\n\r\n";
++  send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(),
++                 INVALID_HOST_IP_REQUEST.length());
++  expect_handshake_failure();
++}
++
++TEST_F(InspectorSocketTest, HostNegativeIPChecked) {
++  const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n"
++                                              "Host: 10.0.-23.255:9229\r\n\r\n";
++  send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(),
++                 INVALID_HOST_IP_REQUEST.length());
++  expect_handshake_failure();
++}
++
++TEST_F(InspectorSocketTest, HostIpOctetOutOfIntRangeChecked) {
++  const std::string INVALID_HOST_IP_REQUEST =
++      "GET /json HTTP/1.1\r\n"
++      "Host: 127.0.0.4294967296:9229\r\n\r\n";
++  send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(),
++                 INVALID_HOST_IP_REQUEST.length());
++  expect_handshake_failure();
++}
++
++TEST_F(InspectorSocketTest, HostIpOctetFarOutOfIntRangeChecked) {
++  const std::string INVALID_HOST_IP_REQUEST =
++      "GET /json HTTP/1.1\r\n"
++      "Host: 127.0.0.18446744073709552000:9229\r\n\r\n";
++  send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(),
++                 INVALID_HOST_IP_REQUEST.length());
++  expect_handshake_failure();
++}
++
++TEST_F(InspectorSocketTest, HostIpEmptyOctetStartChecked) {
++  const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n"
++                                              "Host: .0.0.1:9229\r\n\r\n";
++  send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(),
++                 INVALID_HOST_IP_REQUEST.length());
++  expect_handshake_failure();
++}
++
++TEST_F(InspectorSocketTest, HostIpEmptyOctetMidChecked) {
++  const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n"
++                                              "Host: 127..0.1:9229\r\n\r\n";
++  send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(),
++                 INVALID_HOST_IP_REQUEST.length());
++  expect_handshake_failure();
++}
++
++TEST_F(InspectorSocketTest, HostIpEmptyOctetEndChecked) {
++  const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n"
++                                              "Host: 127.0.0.:9229\r\n\r\n";
++  send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(),
++                 INVALID_HOST_IP_REQUEST.length());
++  expect_handshake_failure();
++}
++
++TEST_F(InspectorSocketTest, HostIpTooFewOctetsChecked) {
++  const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n"
++                                              "Host: 127.0.1:9229\r\n\r\n";
++  send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(),
++                 INVALID_HOST_IP_REQUEST.length());
++  expect_handshake_failure();
++}
++
++TEST_F(InspectorSocketTest, HostIpTooManyOctetsChecked) {
++  const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n"
++                                              "Host: 127.0.0.0.1:9229\r\n\r\n";
++  send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(),
++                 INVALID_HOST_IP_REQUEST.length());
++  expect_handshake_failure();
++}
++
+ }  // anonymous namespace
diff -Nru nodejs-12.22.5~dfsg/debian/patches/cve-2022-35255.patch nodejs-12.22.12~dfsg/debian/patches/cve-2022-35255.patch
--- nodejs-12.22.5~dfsg/debian/patches/cve-2022-35255.patch	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/debian/patches/cve-2022-35255.patch	2023-01-07 11:27:55.000000000 +0000
@@ -0,0 +1,232 @@
+Origin: https://github.com/nodejs/node/commit/0c2a5723beff39d1f62daec96b5389da3d427e79
+Reviewed-by: Aron Xu <aron@debian.org>
+Last-Update: 2022-01-05
+Comment:
+  Although WebCrypto is not implemented in 12.x series, this fix is introducing
+  enhancment to the crypto setup of V8:EntropySource().
+
+commit 0c2a5723beff39d1f62daec96b5389da3d427e79
+Author: Ben Noordhuis <info@bnoordhuis.nl>
+Date:   Sun Sep 11 10:48:34 2022 +0200
+
+    crypto: fix weak randomness in WebCrypto keygen
+    
+    Commit dae283d96f from August 2020 introduced a call to EntropySource()
+    in SecretKeyGenTraits::DoKeyGen() in src/crypto/crypto_keygen.cc. There
+    are two problems with that:
+    
+    1. It does not check the return value, it assumes EntropySource() always
+       succeeds, but it can (and sometimes will) fail.
+    
+    2. The random data returned byEntropySource() may not be
+       cryptographically strong and therefore not suitable as keying
+       material.
+    
+    An example is a freshly booted system or a system without /dev/random or
+    getrandom(2).
+    
+    EntropySource() calls out to openssl's RAND_poll() and RAND_bytes() in a
+    best-effort attempt to obtain random data. OpenSSL has a built-in CSPRNG
+    but that can fail to initialize, in which case it's possible either:
+    
+    1. No random data gets written to the output buffer, i.e., the output is
+       unmodified, or
+    
+    2. Weak random data is written. It's theoretically possible for the
+       output to be fully predictable because the CSPRNG starts from a
+       predictable state.
+    
+    Replace EntropySource() and CheckEntropy() with new function CSPRNG()
+    that enforces checking of the return value. Abort on startup when the
+    entropy pool fails to initialize because that makes it too easy to
+    compromise the security of the process.
+    
+    Refs: https://hackerone.com/bugs?report_id=1690000
+    Refs: https://github.com/nodejs/node/pull/35093
+    
+    Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
+    Reviewed-By: Tobias Nießen <tniessen@tnie.de>
+    PR-URL: #346
+    Backport-PR-URL: #351
+    CVE-ID: CVE-2022-35255
+
+Index: nodejs-12.22.12~dfsg/node.gyp
+===================================================================
+--- nodejs-12.22.12~dfsg.orig/node.gyp
++++ nodejs-12.22.12~dfsg/node.gyp
+@@ -743,6 +743,8 @@
+         'openssl_default_cipher_list%': '',
+       },
+ 
++      'cflags': ['-Werror=unused-result'],
++
+       'defines': [
+         'NODE_ARCH="<(target_arch)"',
+         'NODE_PLATFORM="<(OS)"',
+Index: nodejs-12.22.12~dfsg/src/node_crypto.cc
+===================================================================
+--- nodejs-12.22.12~dfsg.orig/src/node_crypto.cc
++++ nodejs-12.22.12~dfsg/src/node_crypto.cc
+@@ -386,48 +386,14 @@ void ThrowCryptoError(Environment* env,
+   env->isolate()->ThrowException(exception);
+ }
+ 
++MUST_USE_RESULT CSPRNGResult CSPRNG(void* buffer, size_t length) {
++  do {
++    if (1 == RAND_status())
++      if (1 == RAND_bytes(static_cast<unsigned char*>(buffer), length))
++        return {true};
++  } while (1 == RAND_poll());
+ 
+-// Ensure that OpenSSL has enough entropy (at least 256 bits) for its PRNG.
+-// The entropy pool starts out empty and needs to fill up before the PRNG
+-// can be used securely.  Once the pool is filled, it never dries up again;
+-// its contents is stirred and reused when necessary.
+-//
+-// OpenSSL normally fills the pool automatically but not when someone starts
+-// generating random numbers before the pool is full: in that case OpenSSL
+-// keeps lowering the entropy estimate to thwart attackers trying to guess
+-// the initial state of the PRNG.
+-//
+-// When that happens, we will have to wait until enough entropy is available.
+-// That should normally never take longer than a few milliseconds.
+-//
+-// OpenSSL draws from /dev/random and /dev/urandom.  While /dev/random may
+-// block pending "true" randomness, /dev/urandom is a CSPRNG that doesn't
+-// block under normal circumstances.
+-//
+-// The only time when /dev/urandom may conceivably block is right after boot,
+-// when the whole system is still low on entropy.  That's not something we can
+-// do anything about.
+-inline void CheckEntropy() {
+-  for (;;) {
+-    int status = RAND_status();
+-    CHECK_GE(status, 0);  // Cannot fail.
+-    if (status != 0)
+-      break;
+-
+-    // Give up, RAND_poll() not supported.
+-    if (RAND_poll() == 0)
+-      break;
+-  }
+-}
+-
+-
+-bool EntropySource(unsigned char* buffer, size_t length) {
+-  // Ensure that OpenSSL's PRNG is properly seeded.
+-  CheckEntropy();
+-  // RAND_bytes() can return 0 to indicate that the entropy data is not truly
+-  // random. That's okay, it's still better than V8's stock source of entropy,
+-  // which is /dev/urandom on UNIX platforms and the current time on Windows.
+-  return RAND_bytes(buffer, length) != -1;
++  return {false};
+ }
+ 
+ void SecureContext::Initialize(Environment* env, Local<Object> target) {
+@@ -649,9 +615,9 @@ void SecureContext::Init(const FunctionC
+   // OpenSSL 1.1.0 changed the ticket key size, but the OpenSSL 1.0.x size was
+   // exposed in the public API. To retain compatibility, install a callback
+   // which restores the old algorithm.
+-  if (RAND_bytes(sc->ticket_key_name_, sizeof(sc->ticket_key_name_)) <= 0 ||
+-      RAND_bytes(sc->ticket_key_hmac_, sizeof(sc->ticket_key_hmac_)) <= 0 ||
+-      RAND_bytes(sc->ticket_key_aes_, sizeof(sc->ticket_key_aes_)) <= 0) {
++  if (CSPRNG(sc->ticket_key_name_, sizeof(sc->ticket_key_name_)).is_err() ||
++      CSPRNG(sc->ticket_key_hmac_, sizeof(sc->ticket_key_hmac_)).is_err() ||
++      CSPRNG(sc->ticket_key_aes_, sizeof(sc->ticket_key_aes_)).is_err()) {
+     return env->ThrowError("Error generating ticket keys");
+   }
+   SSL_CTX_set_tlsext_ticket_key_cb(sc->ctx_.get(), TicketCompatibilityCallback);
+@@ -1643,7 +1609,7 @@ int SecureContext::TicketCompatibilityCa
+ 
+   if (enc) {
+     memcpy(name, sc->ticket_key_name_, sizeof(sc->ticket_key_name_));
+-    if (RAND_bytes(iv, 16) <= 0 ||
++    if (CSPRNG(iv, 16).is_err() ||
+         EVP_EncryptInit_ex(ectx, EVP_aes_128_cbc(), nullptr,
+                            sc->ticket_key_aes_, iv) <= 0 ||
+         HMAC_Init_ex(hctx, sc->ticket_key_hmac_, sizeof(sc->ticket_key_hmac_),
+@@ -5867,8 +5833,7 @@ struct RandomBytesJob : public CryptoJob
+       : CryptoJob(env), rc(Nothing<int>()) {}
+ 
+   inline void DoThreadPoolWork() override {
+-    CheckEntropy();  // Ensure that OpenSSL's PRNG is properly seeded.
+-    rc = Just(RAND_bytes(data, size));
++    rc = Just(int(CSPRNG(data, size).is_ok()));
+     if (0 == rc.FromJust()) errors.Capture();
+   }
+ 
+@@ -6318,8 +6283,8 @@ class GenerateKeyPairJob : public Crypto
+   }
+ 
+   inline bool GenerateKey() {
+-    // Make sure that the CSPRNG is properly seeded so the results are secure.
+-    CheckEntropy();
++    // Make sure that the CSPRNG is properly seeded.
++    CHECK(CSPRNG(nullptr, 0).is_ok());
+ 
+     // Create the key generation context.
+     EVPKeyCtxPointer ctx = config_->Setup();
+Index: nodejs-12.22.12~dfsg/src/node_crypto.h
+===================================================================
+--- nodejs-12.22.12~dfsg.orig/src/node_crypto.h
++++ nodejs-12.22.12~dfsg/src/node_crypto.h
+@@ -840,7 +840,19 @@ class ECDH final : public BaseObject {
+   const EC_GROUP* group_;
+ };
+ 
+-bool EntropySource(unsigned char* buffer, size_t length);
++struct CSPRNGResult {
++  const bool ok;
++  MUST_USE_RESULT bool is_ok() const { return ok; }
++  MUST_USE_RESULT bool is_err() const { return !ok; }
++};
++
++// Either succeeds with exactly |length| bytes of cryptographically
++// strong pseudo-random data, or fails. This function may block.
++// Don't assume anything about the contents of |buffer| on error.
++// As a special case, |length == 0| can be used to check if the CSPRNG
++// is properly seeded without consuming entropy.
++MUST_USE_RESULT CSPRNGResult CSPRNG(void* buffer, size_t length);
++
+ #ifndef OPENSSL_NO_ENGINE
+ void SetEngine(const v8::FunctionCallbackInfo<v8::Value>& args);
+ #endif  // !OPENSSL_NO_ENGINE
+Index: nodejs-12.22.12~dfsg/src/inspector_io.cc
+===================================================================
+--- nodejs-12.22.12~dfsg.orig/src/inspector_io.cc
++++ nodejs-12.22.12~dfsg/src/inspector_io.cc
+@@ -46,8 +46,7 @@ std::string ScriptPath(uv_loop_t* loop,
+ // Used ver 4 - with numbers
+ std::string GenerateID() {
+   uint16_t buffer[8];
+-  CHECK(crypto::EntropySource(reinterpret_cast<unsigned char*>(buffer),
+-                              sizeof(buffer)));
++  CHECK(crypto::CSPRNG(buffer, sizeof(buffer)).is_ok());
+ 
+   char uuid[256];
+   snprintf(uuid, sizeof(uuid), "%04x%04x-%04x-%04x-%04x-%04x%04x%04x",
+Index: nodejs-12.22.12~dfsg/src/node.cc
+===================================================================
+--- nodejs-12.22.12~dfsg.orig/src/node.cc
++++ nodejs-12.22.12~dfsg/src/node.cc
+@@ -969,9 +969,17 @@ InitializationResult InitializeOncePerPr
+   // the random source is properly initialized first.
+   OPENSSL_init();
+ #endif  // NODE_FIPS_MODE
+-  // V8 on Windows doesn't have a good source of entropy. Seed it from
+-  // OpenSSL's pool.
+-  V8::SetEntropySource(crypto::EntropySource);
++  // Ensure CSPRNG is properly seeded.
++  CHECK(crypto::CSPRNG(nullptr, 0).is_ok());
++
++  V8::SetEntropySource([](unsigned char* buffer, size_t length) {
++    // V8 falls back to very weak entropy when this function fails
++    // and /dev/urandom isn't available. That wouldn't be so bad if
++    // the entropy was only used for Math.random() but it's also used for
++    // hash table and address space layout randomization. Better to abort.
++    CHECK(crypto::CSPRNG(buffer, length).is_ok());
++    return true;
++    });
+ #endif  // HAVE_OPENSSL
+ 
+   per_process::v8_platform.Initialize(
diff -Nru nodejs-12.22.5~dfsg/debian/patches/cve-2022-43548.patch nodejs-12.22.12~dfsg/debian/patches/cve-2022-43548.patch
--- nodejs-12.22.5~dfsg/debian/patches/cve-2022-43548.patch	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/debian/patches/cve-2022-43548.patch	2023-01-07 11:27:12.000000000 +0000
@@ -0,0 +1,209 @@
+commit 2b433af094fb79cf80f086038b7f36342cb6826f
+Author: Tobias Nießen <tniessen@tnie.de>
+Date:   Sun Sep 25 12:34:05 2022 +0000
+
+    inspector: harden IP address validation again
+    
+    Use inet_pton() to parse IP addresses, which restricts IP addresses
+    to a small number of well-defined formats. In particular, octal and
+    hexadecimal number formats are not allowed, and neither are leading
+    zeros. Also explicitly reject 0.0.0.0/8 and ::/128 as non-routable.
+    
+    Refs: https://hackerone.com/reports/1710652
+    CVE-ID: CVE-2022-43548
+    PR-URL: https://github.com/nodejs-private/node-private/pull/354
+    Reviewed-by: Michael Dawson <midawson@redhat.com>
+    Reviewed-by: Rafael Gonzaga <rafael.nunu@hotmail.com>
+    Reviewed-by: Rich Trott <rtrott@gmail.com>
+
+Index: nodejs-12.22.12~dfsg/src/inspector_socket.cc
+===================================================================
+--- nodejs-12.22.12~dfsg.orig/src/inspector_socket.cc
++++ nodejs-12.22.12~dfsg/src/inspector_socket.cc
+@@ -10,6 +10,7 @@
+ 
+ #include "openssl/sha.h"  // Sha-1 hash
+ 
++#include <algorithm>
+ #include <cstring>
+ #include <map>
+ 
+@@ -166,25 +167,71 @@ static std::string TrimPort(const std::s
+ }
+ 
+ static bool IsIPAddress(const std::string& host) {
+-  if (host.length() >= 4 && host.front() == '[' && host.back() == ']')
++  // TODO(tniessen): add CVEs to the following bullet points
++  // To avoid DNS rebinding attacks, we are aware of the following requirements:
++  // * the host name must be an IP address,
++  // * the IP address must be routable, and
++  // * the IP address must be formatted unambiguously.
++
++  // The logic below assumes that the string is null-terminated, so ensure that
++  // we did not somehow end up with null characters within the string.
++  if (host.find('\0') != std::string::npos) return false;
++
++  // All IPv6 addresses must be enclosed in square brackets, and anything
++  // enclosed in square brackets must be an IPv6 address.
++  if (host.length() >= 4 && host.front() == '[' && host.back() == ']') {
++    // INET6_ADDRSTRLEN is the maximum length of the dual format (including the
++    // terminating null character), which is the longest possible representation
++    // of an IPv6 address: xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:ddd.ddd.ddd.ddd
++    if (host.length() - 2 >= INET6_ADDRSTRLEN) return false;
++
++    // Annoyingly, libuv's implementation of inet_pton() deviates from other
++    // implementations of the function in that it allows '%' in IPv6 addresses.
++    if (host.find('%') != std::string::npos) return false;
++
++    // Parse the IPv6 address to ensure it is syntactically valid.
++    char ipv6_str[INET6_ADDRSTRLEN];
++    std::copy(host.begin() + 1, host.end() - 1, ipv6_str);
++    ipv6_str[host.length()] = '\0';
++    unsigned char ipv6[sizeof(struct in6_addr)];
++    if (uv_inet_pton(AF_INET6, ipv6_str, ipv6) != 0) return false;
++
++    // The only non-routable IPv6 address is ::/128. It should not be necessary
++    // to explicitly reject it because it will still be enclosed in square
++    // brackets and not even macOS should make DNS requests in that case, but
++    // history has taught us that we cannot be careful enough.
++    // Note that RFC 4291 defines both "IPv4-Compatible IPv6 Addresses" and
++    // "IPv4-Mapped IPv6 Addresses", which means that there are IPv6 addresses
++    // (other than ::/128) that represent non-routable IPv4 addresses. However,
++    // this translation assumes that the host is interpreted as an IPv6 address
++    // in the first place, at which point DNS rebinding should not be an issue.
++    if (std::all_of(ipv6, ipv6 + sizeof(ipv6), [](auto b) { return b == 0; })) {
++       return false;
++     }
++
++    // It is a syntactically valid and routable IPv6 address enclosed in square
++    // brackets. No client should be able to misinterpret this.
+     return true;
+-  uint_fast16_t accum = 0;
+-  uint_fast8_t quads = 0;
+-  bool empty = true;
+-  auto endOctet = [&accum, &quads, &empty](bool final = false) {
+-    return !empty && accum <= 0xff && ++quads <= 4 && final == (quads == 4) &&
+-           (empty = true) && !(accum = 0);
+-  };
+-  for (char c : host) {
+-    if (isdigit(c)) {
+-      if ((accum = (accum * 10) + (c - '0')) > 0xff) return false;
+-      empty = false;
+-    } else if (c != '.' || !endOctet()) {
+-      return false;
+-    }
+-  }
+-  return endOctet(true);
+-}
++   }
++
++  // Anything not enclosed in square brackets must be an IPv4 address. It is
++  // important here that inet_pton() accepts only the so-called dotted-decimal
++  // notation, which is a strict subset of the so-called numbers-and-dots
++  // notation that is allowed by inet_aton() and inet_addr(). This subset does
++  // not allow hexadecimal or octal number formats.
++  unsigned char ipv4[sizeof(struct in_addr)];
++  if (uv_inet_pton(AF_INET, host.c_str(), ipv4) != 0) return false;
++
++  // The only strictly non-routable IPv4 address is 0.0.0.0, and macOS will make
++  // DNS requests for this IP address, so we need to explicitly reject it. In
++  // fact, we can safely reject all of 0.0.0.0/8 (see Section 3.2 of RFC 791 and
++  // Section 3.2.1.3 of RFC 1122).
++  // Note that inet_pton() stores the IPv4 address in network byte order.
++  if (ipv4[0] == 0) return false;
++
++  // It is a routable IPv4 address in dotted-decimal notation.
++  return true;
++ }
+ 
+ // Constants for hybi-10 frame format.
+ 
+Index: nodejs-12.22.12~dfsg/test/cctest/test_inspector_socket.cc
+===================================================================
+--- nodejs-12.22.12~dfsg.orig/test/cctest/test_inspector_socket.cc
++++ nodejs-12.22.12~dfsg/test/cctest/test_inspector_socket.cc
+@@ -925,4 +925,84 @@ TEST_F(InspectorSocketTest, HostIpTooMan
+   expect_handshake_failure();
+ }
+ 
++TEST_F(InspectorSocketTest, HostIpInvalidOctalOctetStartChecked) {
++  const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n"
++                                              "Host: 08.1.1.1:9229\r\n\r\n";
++  send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(),
++                 INVALID_HOST_IP_REQUEST.length());
++  expect_handshake_failure();
++}
++
++TEST_F(InspectorSocketTest, HostIpInvalidOctalOctetMidChecked) {
++  const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n"
++                                              "Host: 1.09.1.1:9229\r\n\r\n";
++  send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(),
++                 INVALID_HOST_IP_REQUEST.length());
++  expect_handshake_failure();
++}
++
++TEST_F(InspectorSocketTest, HostIpInvalidOctalOctetEndChecked) {
++  const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n"
++                                              "Host: 1.1.1.009:9229\r\n\r\n";
++  send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(),
++                 INVALID_HOST_IP_REQUEST.length());
++  expect_handshake_failure();
++}
++
++TEST_F(InspectorSocketTest, HostIpLeadingZeroStartChecked) {
++  const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n"
++                                              "Host: 01.1.1.1:9229\r\n\r\n";
++  send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(),
++                 INVALID_HOST_IP_REQUEST.length());
++  expect_handshake_failure();
++}
++
++TEST_F(InspectorSocketTest, HostIpLeadingZeroMidChecked) {
++  const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n"
++                                              "Host: 1.1.001.1:9229\r\n\r\n";
++  send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(),
++                 INVALID_HOST_IP_REQUEST.length());
++  expect_handshake_failure();
++}
++
++TEST_F(InspectorSocketTest, HostIpLeadingZeroEndChecked) {
++  const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n"
++                                              "Host: 1.1.1.01:9229\r\n\r\n";
++  send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(),
++                 INVALID_HOST_IP_REQUEST.length());
++  expect_handshake_failure();
++}
++
++TEST_F(InspectorSocketTest, HostIPv6NonRoutable) {
++  const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n"
++                                              "Host: [::]:9229\r\n\r\n";
++  send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(),
++                 INVALID_HOST_IP_REQUEST.length());
++  expect_handshake_failure();
++}
++
++TEST_F(InspectorSocketTest, HostIPv6NonRoutableDual) {
++  const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n"
++                                              "Host: [::0.0.0.0]:9229\r\n\r\n";
++  send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(),
++                 INVALID_HOST_IP_REQUEST.length());
++  expect_handshake_failure();
++}
++
++TEST_F(InspectorSocketTest, HostIPv4InSquareBrackets) {
++  const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n"
++                                              "Host: [127.0.0.1]:9229\r\n\r\n";
++  send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(),
++                 INVALID_HOST_IP_REQUEST.length());
++  expect_handshake_failure();
++}
++
++TEST_F(InspectorSocketTest, HostIPv6InvalidAbbreviation) {
++  const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n"
++                                              "Host: [:::1]:9229\r\n\r\n";
++  send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(),
++                 INVALID_HOST_IP_REQUEST.length());
++  expect_handshake_failure();
++}
++
+ }  // anonymous namespace
diff -Nru nodejs-12.22.5~dfsg/debian/patches/cve-llhttp.patch nodejs-12.22.12~dfsg/debian/patches/cve-llhttp.patch
--- nodejs-12.22.5~dfsg/debian/patches/cve-llhttp.patch	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/debian/patches/cve-llhttp.patch	2023-01-07 11:27:55.000000000 +0000
@@ -0,0 +1,4342 @@
+Reviewed-by: Aron Xu <aron@debian.org>
+Last-Update: 2023-01-05
+Comment:
+  This patch updates the embeded copy of llhttp from version 2.1.4 to 2.1.6,
+  which is upstream's actual fix for CVE-2022-32213, CVE-2022-32214, CVE-2022-32215,
+  CVE-2022-35256.
+  Test cases are ported to use mustCall() to replace the later introduced
+  mustSucceed(), to avoid pulling in too many dependent new test codes.
+References:
+  * https://github.com/nodejs/node/commit/da0fda0fe81d372e24c0cb11aec37534985708dd
+  * https://github.com/nodejs/node/commit/a9f1146b8827855e342834458a71f2367346ace0
+--- nodejs-12.22.12~dfsg/deps/llhttp/include/llhttp.h
++++ nodejs-12.22.12~dfsg/deps/llhttp/include/llhttp.h
+@@ -3,7 +3,7 @@
+ 
+ #define LLHTTP_VERSION_MAJOR 2
+ #define LLHTTP_VERSION_MINOR 1
+-#define LLHTTP_VERSION_PATCH 4
++#define LLHTTP_VERSION_PATCH 6
+ 
+ #ifndef LLHTTP_STRICT_MODE
+ # define LLHTTP_STRICT_MODE 0
+@@ -58,6 +58,7 @@
+   HPE_OK = 0,
+   HPE_INTERNAL = 1,
+   HPE_STRICT = 2,
++  HPE_CR_EXPECTED = 25,
+   HPE_LF_EXPECTED = 3,
+   HPE_UNEXPECTED_CONTENT_LENGTH = 4,
+   HPE_CLOSED_CONNECTION = 5,
+@@ -78,7 +79,7 @@
+   HPE_CB_CHUNK_COMPLETE = 20,
+   HPE_PAUSED = 21,
+   HPE_PAUSED_UPGRADE = 22,
+-  HPE_USER = 23
++  HPE_USER = 24
+ };
+ typedef enum llhttp_errno llhttp_errno_t;
+ 
+@@ -153,6 +154,7 @@
+   XX(0, OK, OK) \
+   XX(1, INTERNAL, INTERNAL) \
+   XX(2, STRICT, STRICT) \
++  XX(25, CR_EXPECTED, CR_EXPECTED) \
+   XX(3, LF_EXPECTED, LF_EXPECTED) \
+   XX(4, UNEXPECTED_CONTENT_LENGTH, UNEXPECTED_CONTENT_LENGTH) \
+   XX(5, CLOSED_CONNECTION, CLOSED_CONNECTION) \
+@@ -173,7 +175,7 @@
+   XX(20, CB_CHUNK_COMPLETE, CB_CHUNK_COMPLETE) \
+   XX(21, PAUSED, PAUSED) \
+   XX(22, PAUSED_UPGRADE, PAUSED_UPGRADE) \
+-  XX(23, USER, USER) \
++  XX(24, USER, USER) \
+ 
+ 
+ #define HTTP_METHOD_MAP(XX) \
+--- nodejs-12.22.12~dfsg/deps/llhttp/src/llhttp.c
++++ nodejs-12.22.12~dfsg/deps/llhttp/src/llhttp.c
+@@ -325,6 +325,7 @@
+   s_n_llhttp__internal__n_header_value_lws,
+   s_n_llhttp__internal__n_header_value_almost_done,
+   s_n_llhttp__internal__n_header_value_lenient,
++  s_n_llhttp__internal__n_error_25,
+   s_n_llhttp__internal__n_header_value_otherwise,
+   s_n_llhttp__internal__n_header_value_connection_token,
+   s_n_llhttp__internal__n_header_value_connection_ws,
+@@ -332,14 +333,16 @@
+   s_n_llhttp__internal__n_header_value_connection_2,
+   s_n_llhttp__internal__n_header_value_connection_3,
+   s_n_llhttp__internal__n_header_value_connection,
+-  s_n_llhttp__internal__n_error_26,
+   s_n_llhttp__internal__n_error_27,
++  s_n_llhttp__internal__n_error_28,
+   s_n_llhttp__internal__n_header_value_content_length_ws,
+   s_n_llhttp__internal__n_header_value_content_length,
+-  s_n_llhttp__internal__n_header_value_te_chunked_last,
++  s_n_llhttp__internal__n_error_30,
++  s_n_llhttp__internal__n_error_29,
+   s_n_llhttp__internal__n_header_value_te_token_ows,
+   s_n_llhttp__internal__n_header_value,
+   s_n_llhttp__internal__n_header_value_te_token,
++  s_n_llhttp__internal__n_header_value_te_chunked_last,
+   s_n_llhttp__internal__n_header_value_te_chunked,
+   s_n_llhttp__internal__n_span_start_llhttp__on_header_value_1,
+   s_n_llhttp__internal__n_header_value_discard_ws,
+@@ -734,7 +737,7 @@
+   return 0;
+ }
+ 
+-int llhttp__internal__c_update_header_state_2(
++int llhttp__internal__c_update_header_state_3(
+     llhttp__internal_t* state,
+     const unsigned char* p,
+     const unsigned char* endp) {
+@@ -742,7 +745,7 @@
+   return 0;
+ }
+ 
+-int llhttp__internal__c_update_header_state_4(
++int llhttp__internal__c_update_header_state_1(
+     llhttp__internal_t* state,
+     const unsigned char* p,
+     const unsigned char* endp) {
+@@ -750,7 +753,7 @@
+   return 0;
+ }
+ 
+-int llhttp__internal__c_update_header_state_5(
++int llhttp__internal__c_update_header_state_6(
+     llhttp__internal_t* state,
+     const unsigned char* p,
+     const unsigned char* endp) {
+@@ -758,7 +761,7 @@
+   return 0;
+ }
+ 
+-int llhttp__internal__c_update_header_state_6(
++int llhttp__internal__c_update_header_state_7(
+     llhttp__internal_t* state,
+     const unsigned char* p,
+     const unsigned char* endp) {
+@@ -766,7 +769,7 @@
+   return 0;
+ }
+ 
+-int llhttp__internal__c_test_flags_6(
++int llhttp__internal__c_test_flags_7(
+     llhttp__internal_t* state,
+     const unsigned char* p,
+     const unsigned char* endp) {
+@@ -807,6 +810,13 @@
+   return 0;
+ }
+ 
++int llhttp__internal__c_test_flags_8(
++    llhttp__internal_t* state,
++    const unsigned char* p,
++    const unsigned char* endp) {
++  return (state->flags & 8) == 8;
++}
++
+ int llhttp__internal__c_or_flags_16(
+     llhttp__internal_t* state,
+     const unsigned char* p,
+@@ -823,7 +833,7 @@
+   return 0;
+ }
+ 
+-int llhttp__internal__c_update_header_state_7(
++int llhttp__internal__c_update_header_state_8(
+     llhttp__internal_t* state,
+     const unsigned char* p,
+     const unsigned char* endp) {
+@@ -831,7 +841,7 @@
+   return 0;
+ }
+ 
+-int llhttp__internal__c_or_flags_17(
++int llhttp__internal__c_or_flags_18(
+     llhttp__internal_t* state,
+     const unsigned char* p,
+     const unsigned char* endp) {
+@@ -1554,7 +1564,7 @@
+           goto s_n_llhttp__internal__n_header_value_discard_lws;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_22;
++          goto s_n_llhttp__internal__n_error_23;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -1567,13 +1577,13 @@
+       }
+       switch (*p) {
+         case 9: {
+-          goto s_n_llhttp__internal__n_span_start_llhttp__on_header_value_1;
++          goto s_n_llhttp__internal__n_invoke_load_header_state_3;
+         }
+         case ' ': {
+-          goto s_n_llhttp__internal__n_span_start_llhttp__on_header_value_1;
++          goto s_n_llhttp__internal__n_invoke_load_header_state_3;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_invoke_load_header_state_3;
++          goto s_n_llhttp__internal__n_invoke_load_header_state_4;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -1590,7 +1600,7 @@
+           goto s_n_llhttp__internal__n_header_value_lws;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_23;
++          goto s_n_llhttp__internal__n_error_24;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -1603,10 +1613,10 @@
+       }
+       switch (*p) {
+         case 10: {
+-          goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_1;
++          goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_3;
+         }
+         case 13: {
+-          goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_3;
++          goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_4;
+         }
+         default: {
+           p++;
+@@ -1616,20 +1626,27 @@
+       /* UNREACHABLE */;
+       abort();
+     }
++    case s_n_llhttp__internal__n_error_25:
++    s_n_llhttp__internal__n_error_25: {
++      state->error = 0xa;
++      state->reason = "Invalid header value char";
++      state->error_pos = (const char*) p;
++      state->_current = (void*) (intptr_t) s_error;
++      return s_error;
++      /* UNREACHABLE */;
++      abort();
++    }
+     case s_n_llhttp__internal__n_header_value_otherwise:
+     s_n_llhttp__internal__n_header_value_otherwise: {
+       if (p == endp) {
+         return s_n_llhttp__internal__n_header_value_otherwise;
+       }
+       switch (*p) {
+-        case 10: {
+-          goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_1;
+-        }
+         case 13: {
+-          goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_2;
++          goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_1;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_invoke_test_flags_5;
++          goto s_n_llhttp__internal__n_invoke_test_flags_6;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -1692,10 +1709,10 @@
+         }
+         case ',': {
+           p++;
+-          goto s_n_llhttp__internal__n_invoke_load_header_state_4;
++          goto s_n_llhttp__internal__n_invoke_load_header_state_5;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_4;
++          goto s_n_llhttp__internal__n_invoke_update_header_state_5;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -1713,7 +1730,7 @@
+       switch (match_seq.status) {
+         case kMatchComplete: {
+           p++;
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_2;
++          goto s_n_llhttp__internal__n_invoke_update_header_state_3;
+         }
+         case kMatchPause: {
+           return s_n_llhttp__internal__n_header_value_connection_1;
+@@ -1737,7 +1754,7 @@
+       switch (match_seq.status) {
+         case kMatchComplete: {
+           p++;
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_5;
++          goto s_n_llhttp__internal__n_invoke_update_header_state_6;
+         }
+         case kMatchPause: {
+           return s_n_llhttp__internal__n_header_value_connection_2;
+@@ -1761,7 +1778,7 @@
+       switch (match_seq.status) {
+         case kMatchComplete: {
+           p++;
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_6;
++          goto s_n_llhttp__internal__n_invoke_update_header_state_7;
+         }
+         case kMatchPause: {
+           return s_n_llhttp__internal__n_header_value_connection_3;
+@@ -1806,8 +1823,8 @@
+       /* UNREACHABLE */;
+       abort();
+     }
+-    case s_n_llhttp__internal__n_error_26:
+-    s_n_llhttp__internal__n_error_26: {
++    case s_n_llhttp__internal__n_error_27:
++    s_n_llhttp__internal__n_error_27: {
+       state->error = 0xb;
+       state->reason = "Content-Length overflow";
+       state->error_pos = (const char*) p;
+@@ -1816,8 +1833,8 @@
+       /* UNREACHABLE */;
+       abort();
+     }
+-    case s_n_llhttp__internal__n_error_27:
+-    s_n_llhttp__internal__n_error_27: {
++    case s_n_llhttp__internal__n_error_28:
++    s_n_llhttp__internal__n_error_28: {
+       state->error = 0xb;
+       state->reason = "Invalid character in Content-Length";
+       state->error_pos = (const char*) p;
+@@ -1843,7 +1860,7 @@
+           goto s_n_llhttp__internal__n_header_value_content_length_ws;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_5;
++          goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_6;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -1912,26 +1929,23 @@
+       /* UNREACHABLE */;
+       abort();
+     }
+-    case s_n_llhttp__internal__n_header_value_te_chunked_last:
+-    s_n_llhttp__internal__n_header_value_te_chunked_last: {
+-      if (p == endp) {
+-        return s_n_llhttp__internal__n_header_value_te_chunked_last;
+-      }
+-      switch (*p) {
+-        case 10: {
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_7;
+-        }
+-        case 13: {
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_7;
+-        }
+-        case ' ': {
+-          p++;
+-          goto s_n_llhttp__internal__n_header_value_te_chunked_last;
+-        }
+-        default: {
+-          goto s_n_llhttp__internal__n_header_value_te_chunked;
+-        }
+-      }
++    case s_n_llhttp__internal__n_error_30:
++    s_n_llhttp__internal__n_error_30: {
++      state->error = 0xf;
++      state->reason = "Invalid `Transfer-Encoding` header value";
++      state->error_pos = (const char*) p;
++      state->_current = (void*) (intptr_t) s_error;
++      return s_error;
++      /* UNREACHABLE */;
++      abort();
++    }
++    case s_n_llhttp__internal__n_error_29:
++    s_n_llhttp__internal__n_error_29: {
++      state->error = 0xf;
++      state->reason = "Invalid `Transfer-Encoding` header value";
++      state->error_pos = (const char*) p;
++      state->_current = (void*) (intptr_t) s_error;
++      return s_error;
+       /* UNREACHABLE */;
+       abort();
+     }
+@@ -2048,8 +2062,34 @@
+           goto s_n_llhttp__internal__n_header_value_te_token_ows;
+         }
+         default: {
++          goto s_n_llhttp__internal__n_invoke_update_header_state_9;
++        }
++      }
++      /* UNREACHABLE */;
++      abort();
++    }
++    case s_n_llhttp__internal__n_header_value_te_chunked_last:
++    s_n_llhttp__internal__n_header_value_te_chunked_last: {
++      if (p == endp) {
++        return s_n_llhttp__internal__n_header_value_te_chunked_last;
++      }
++      switch (*p) {
++        case 10: {
++          goto s_n_llhttp__internal__n_invoke_update_header_state_8;
++        }
++        case 13: {
+           goto s_n_llhttp__internal__n_invoke_update_header_state_8;
+         }
++        case ' ': {
++          p++;
++          goto s_n_llhttp__internal__n_header_value_te_chunked_last;
++        }
++        case ',': {
++          goto s_n_llhttp__internal__n_invoke_load_type_1;
++        }
++        default: {
++          goto s_n_llhttp__internal__n_header_value_te_token;
++        }
+       }
+       /* UNREACHABLE */;
+       abort();
+@@ -2101,7 +2141,7 @@
+         }
+         case 10: {
+           p++;
+-          goto s_n_llhttp__internal__n_header_value_discard_lws;
++          goto s_n_llhttp__internal__n_invoke_test_flags_5;
+         }
+         case 13: {
+           p++;
+@@ -2128,7 +2168,7 @@
+           goto s_n_llhttp__internal__n_span_end_llhttp__on_header_field_2;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_28;
++          goto s_n_llhttp__internal__n_error_31;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -2218,7 +2258,7 @@
+           goto s_n_llhttp__internal__n_span_end_llhttp__on_header_field_1;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_9;
++          goto s_n_llhttp__internal__n_invoke_update_header_state_10;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -2243,7 +2283,7 @@
+           return s_n_llhttp__internal__n_header_field_3;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_10;
++          goto s_n_llhttp__internal__n_invoke_update_header_state_11;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -2268,7 +2308,7 @@
+           return s_n_llhttp__internal__n_header_field_4;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_10;
++          goto s_n_llhttp__internal__n_invoke_update_header_state_11;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -2289,7 +2329,7 @@
+           goto s_n_llhttp__internal__n_header_field_4;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_10;
++          goto s_n_llhttp__internal__n_invoke_update_header_state_11;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -2313,7 +2353,7 @@
+           return s_n_llhttp__internal__n_header_field_1;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_10;
++          goto s_n_llhttp__internal__n_invoke_update_header_state_11;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -2338,7 +2378,7 @@
+           return s_n_llhttp__internal__n_header_field_5;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_10;
++          goto s_n_llhttp__internal__n_invoke_update_header_state_11;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -2363,7 +2403,7 @@
+           return s_n_llhttp__internal__n_header_field_6;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_10;
++          goto s_n_llhttp__internal__n_invoke_update_header_state_11;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -2388,7 +2428,7 @@
+           return s_n_llhttp__internal__n_header_field_7;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_10;
++          goto s_n_llhttp__internal__n_invoke_update_header_state_11;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -2417,7 +2457,7 @@
+           goto s_n_llhttp__internal__n_header_field_7;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_10;
++          goto s_n_llhttp__internal__n_invoke_update_header_state_11;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -2508,7 +2548,7 @@
+           goto s_n_llhttp__internal__n_url_to_http_09;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_29;
++          goto s_n_llhttp__internal__n_error_32;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -2533,7 +2573,7 @@
+           goto s_n_llhttp__internal__n_url_skip_lf_to_http09_1;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_29;
++          goto s_n_llhttp__internal__n_error_32;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -2550,7 +2590,7 @@
+           goto s_n_llhttp__internal__n_header_field_start;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_30;
++          goto s_n_llhttp__internal__n_error_33;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -2571,7 +2611,7 @@
+           goto s_n_llhttp__internal__n_req_http_end_1;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_30;
++          goto s_n_llhttp__internal__n_error_33;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -2634,7 +2674,7 @@
+           goto s_n_llhttp__internal__n_invoke_store_http_minor;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_31;
++          goto s_n_llhttp__internal__n_error_34;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -2651,7 +2691,7 @@
+           goto s_n_llhttp__internal__n_req_http_minor;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_32;
++          goto s_n_llhttp__internal__n_error_35;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -2714,7 +2754,7 @@
+           goto s_n_llhttp__internal__n_invoke_store_http_major;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_33;
++          goto s_n_llhttp__internal__n_error_36;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -2738,7 +2778,7 @@
+           return s_n_llhttp__internal__n_req_http_start_1;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_35;
++          goto s_n_llhttp__internal__n_error_38;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -2762,7 +2802,7 @@
+           return s_n_llhttp__internal__n_req_http_start_2;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_35;
++          goto s_n_llhttp__internal__n_error_38;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -2787,7 +2827,7 @@
+           goto s_n_llhttp__internal__n_req_http_start_2;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_35;
++          goto s_n_llhttp__internal__n_error_38;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -2878,7 +2918,7 @@
+           goto s_n_llhttp__internal__n_url_fragment;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_36;
++          goto s_n_llhttp__internal__n_error_39;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -2939,7 +2979,7 @@
+           goto s_n_llhttp__internal__n_span_end_stub_query_3;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_37;
++          goto s_n_llhttp__internal__n_error_40;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -2977,7 +3017,7 @@
+           goto s_n_llhttp__internal__n_url_query;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_38;
++          goto s_n_llhttp__internal__n_error_41;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3102,10 +3142,10 @@
+         }
+         case 8: {
+           p++;
+-          goto s_n_llhttp__internal__n_error_39;
++          goto s_n_llhttp__internal__n_error_42;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_40;
++          goto s_n_llhttp__internal__n_error_43;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3164,7 +3204,7 @@
+           goto s_n_llhttp__internal__n_url_server_with_at;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_41;
++          goto s_n_llhttp__internal__n_error_44;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3181,7 +3221,7 @@
+           goto s_n_llhttp__internal__n_url_server;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_43;
++          goto s_n_llhttp__internal__n_error_46;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3199,7 +3239,7 @@
+         }
+         case 10: {
+           p++;
+-          goto s_n_llhttp__internal__n_error_42;
++          goto s_n_llhttp__internal__n_error_45;
+         }
+         case 12: {
+           p++;
+@@ -3207,18 +3247,18 @@
+         }
+         case 13: {
+           p++;
+-          goto s_n_llhttp__internal__n_error_42;
++          goto s_n_llhttp__internal__n_error_45;
+         }
+         case ' ': {
+           p++;
+-          goto s_n_llhttp__internal__n_error_42;
++          goto s_n_llhttp__internal__n_error_45;
+         }
+         case '/': {
+           p++;
+           goto s_n_llhttp__internal__n_url_schema_delim_1;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_43;
++          goto s_n_llhttp__internal__n_error_46;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3264,7 +3304,7 @@
+         }
+         case 2: {
+           p++;
+-          goto s_n_llhttp__internal__n_error_42;
++          goto s_n_llhttp__internal__n_error_45;
+         }
+         case 3: {
+           goto s_n_llhttp__internal__n_span_end_stub_schema;
+@@ -3274,7 +3314,7 @@
+           goto s_n_llhttp__internal__n_url_schema;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_44;
++          goto s_n_llhttp__internal__n_error_47;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3310,7 +3350,7 @@
+         }
+         case 2: {
+           p++;
+-          goto s_n_llhttp__internal__n_error_42;
++          goto s_n_llhttp__internal__n_error_45;
+         }
+         case 3: {
+           goto s_n_llhttp__internal__n_span_start_stub_path_2;
+@@ -3319,7 +3359,7 @@
+           goto s_n_llhttp__internal__n_url_schema;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_45;
++          goto s_n_llhttp__internal__n_error_48;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3417,7 +3457,7 @@
+           goto s_n_llhttp__internal__n_req_spaces_before_url;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_46;
++          goto s_n_llhttp__internal__n_error_49;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3442,7 +3482,7 @@
+           return s_n_llhttp__internal__n_start_req_1;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3467,7 +3507,7 @@
+           return s_n_llhttp__internal__n_start_req_2;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3492,7 +3532,7 @@
+           return s_n_llhttp__internal__n_start_req_4;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3517,7 +3557,7 @@
+           return s_n_llhttp__internal__n_start_req_6;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3535,7 +3575,7 @@
+           goto s_n_llhttp__internal__n_invoke_store_method_1;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3556,7 +3596,7 @@
+           goto s_n_llhttp__internal__n_start_req_7;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3577,7 +3617,7 @@
+           goto s_n_llhttp__internal__n_start_req_5;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3602,7 +3642,7 @@
+           return s_n_llhttp__internal__n_start_req_8;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3627,7 +3667,7 @@
+           return s_n_llhttp__internal__n_start_req_9;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3652,7 +3692,7 @@
+           return s_n_llhttp__internal__n_start_req_10;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3677,7 +3717,7 @@
+           return s_n_llhttp__internal__n_start_req_12;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3702,7 +3742,7 @@
+           return s_n_llhttp__internal__n_start_req_13;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3723,7 +3763,7 @@
+           goto s_n_llhttp__internal__n_start_req_13;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3748,7 +3788,7 @@
+           return s_n_llhttp__internal__n_start_req_15;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3773,7 +3813,7 @@
+           return s_n_llhttp__internal__n_start_req_16;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3798,7 +3838,7 @@
+           return s_n_llhttp__internal__n_start_req_18;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3823,7 +3863,7 @@
+           return s_n_llhttp__internal__n_start_req_20;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3841,7 +3881,7 @@
+           goto s_n_llhttp__internal__n_invoke_store_method_1;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3862,7 +3902,7 @@
+           goto s_n_llhttp__internal__n_start_req_21;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3883,7 +3923,7 @@
+           goto s_n_llhttp__internal__n_start_req_19;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3908,7 +3948,7 @@
+           return s_n_llhttp__internal__n_start_req_22;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3937,7 +3977,7 @@
+           goto s_n_llhttp__internal__n_start_req_22;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3962,7 +4002,7 @@
+           return s_n_llhttp__internal__n_start_req_23;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -3987,7 +4027,7 @@
+           return s_n_llhttp__internal__n_start_req_24;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4012,7 +4052,7 @@
+           return s_n_llhttp__internal__n_start_req_26;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4037,7 +4077,7 @@
+           return s_n_llhttp__internal__n_start_req_27;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4062,7 +4102,7 @@
+           return s_n_llhttp__internal__n_start_req_31;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4087,7 +4127,7 @@
+           return s_n_llhttp__internal__n_start_req_32;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4108,7 +4148,7 @@
+           goto s_n_llhttp__internal__n_start_req_32;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4125,7 +4165,7 @@
+           goto s_n_llhttp__internal__n_start_req_30;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4147,7 +4187,7 @@
+           goto s_n_llhttp__internal__n_start_req_29;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4172,7 +4212,7 @@
+           return s_n_llhttp__internal__n_start_req_34;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4194,7 +4234,7 @@
+           goto s_n_llhttp__internal__n_invoke_store_method_1;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4223,7 +4263,7 @@
+           goto s_n_llhttp__internal__n_start_req_33;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4248,7 +4288,7 @@
+           return s_n_llhttp__internal__n_start_req_37;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4273,7 +4313,7 @@
+           return s_n_llhttp__internal__n_start_req_38;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4294,7 +4334,7 @@
+           goto s_n_llhttp__internal__n_start_req_38;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4311,7 +4351,7 @@
+           goto s_n_llhttp__internal__n_start_req_36;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4336,7 +4376,7 @@
+           return s_n_llhttp__internal__n_start_req_40;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4361,7 +4401,7 @@
+           return s_n_llhttp__internal__n_start_req_41;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4386,7 +4426,7 @@
+           return s_n_llhttp__internal__n_start_req_42;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4411,7 +4451,7 @@
+           goto s_n_llhttp__internal__n_start_req_42;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4436,7 +4476,7 @@
+           return s_n_llhttp__internal__n_start_req_43;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4461,7 +4501,7 @@
+           return s_n_llhttp__internal__n_start_req_46;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4486,7 +4526,7 @@
+           return s_n_llhttp__internal__n_start_req_48;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4511,7 +4551,7 @@
+           return s_n_llhttp__internal__n_start_req_49;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4532,7 +4572,7 @@
+           goto s_n_llhttp__internal__n_start_req_49;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4557,7 +4597,7 @@
+           return s_n_llhttp__internal__n_start_req_50;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4582,7 +4622,7 @@
+           goto s_n_llhttp__internal__n_start_req_50;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4599,7 +4639,7 @@
+           goto s_n_llhttp__internal__n_start_req_45;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4672,7 +4712,7 @@
+           goto s_n_llhttp__internal__n_start_req_44;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_55;
++          goto s_n_llhttp__internal__n_error_58;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4689,7 +4729,7 @@
+           goto s_n_llhttp__internal__n_header_field_start;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4764,7 +4804,7 @@
+           goto s_n_llhttp__internal__n_res_status_start;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_49;
++          goto s_n_llhttp__internal__n_error_52;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4844,7 +4884,7 @@
+           goto s_n_llhttp__internal__n_invoke_update_status_code;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_50;
++          goto s_n_llhttp__internal__n_error_53;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4907,7 +4947,7 @@
+           goto s_n_llhttp__internal__n_invoke_store_http_minor_1;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_51;
++          goto s_n_llhttp__internal__n_error_54;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4924,7 +4964,7 @@
+           goto s_n_llhttp__internal__n_res_http_minor;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_52;
++          goto s_n_llhttp__internal__n_error_55;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -4987,7 +5027,7 @@
+           goto s_n_llhttp__internal__n_invoke_store_http_major_1;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_53;
++          goto s_n_llhttp__internal__n_error_56;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -5011,7 +5051,7 @@
+           return s_n_llhttp__internal__n_start_res;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_56;
++          goto s_n_llhttp__internal__n_error_59;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -5036,7 +5076,7 @@
+           return s_n_llhttp__internal__n_req_or_res_method_2;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_54;
++          goto s_n_llhttp__internal__n_error_57;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -5060,7 +5100,7 @@
+           return s_n_llhttp__internal__n_req_or_res_method_3;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_54;
++          goto s_n_llhttp__internal__n_error_57;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -5081,7 +5121,7 @@
+           goto s_n_llhttp__internal__n_req_or_res_method_3;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_54;
++          goto s_n_llhttp__internal__n_error_57;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -5098,7 +5138,7 @@
+           goto s_n_llhttp__internal__n_req_or_res_method_1;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_54;
++          goto s_n_llhttp__internal__n_error_57;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -5167,7 +5207,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_42: {
++  s_n_llhttp__internal__n_error_45: {
+     state->error = 0x7;
+     state->reason = "Invalid characters in url";
+     state->error_pos = (const char*) p;
+@@ -5655,7 +5695,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_21: {
++  s_n_llhttp__internal__n_error_22: {
+     state->error = 0xb;
+     state->reason = "Empty Content-Length";
+     state->error_pos = (const char*) p;
+@@ -5740,14 +5780,33 @@
+   s_n_llhttp__internal__n_invoke_load_header_state: {
+     switch (llhttp__internal__c_load_header_state(state, p, endp)) {
+       case 2:
+-        goto s_n_llhttp__internal__n_error_21;
++        goto s_n_llhttp__internal__n_error_22;
+       default:
+         goto s_n_llhttp__internal__n_invoke_load_header_state_1;
+     }
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_22: {
++  s_n_llhttp__internal__n_error_21: {
++    state->error = 0xa;
++    state->reason = "Invalid header value char";
++    state->error_pos = (const char*) p;
++    state->_current = (void*) (intptr_t) s_error;
++    return s_error;
++    /* UNREACHABLE */;
++    abort();
++  }
++  s_n_llhttp__internal__n_invoke_test_flags_5: {
++    switch (llhttp__internal__c_test_flags_2(state, p, endp)) {
++      case 1:
++        goto s_n_llhttp__internal__n_header_value_discard_lws;
++      default:
++        goto s_n_llhttp__internal__n_error_21;
++    }
++    /* UNREACHABLE */;
++    abort();
++  }
++  s_n_llhttp__internal__n_error_23: {
+     state->error = 0x2;
+     state->reason = "Expected LF after CR";
+     state->error_pos = (const char*) p;
+@@ -5757,6 +5816,24 @@
+     abort();
+   }
+   s_n_llhttp__internal__n_invoke_update_header_state_1: {
++    switch (llhttp__internal__c_update_header_state_1(state, p, endp)) {
++      default:
++        goto s_n_llhttp__internal__n_span_start_llhttp__on_header_value_1;
++    }
++    /* UNREACHABLE */;
++    abort();
++  }
++  s_n_llhttp__internal__n_invoke_load_header_state_3: {
++    switch (llhttp__internal__c_load_header_state(state, p, endp)) {
++      case 8:
++        goto s_n_llhttp__internal__n_invoke_update_header_state_1;
++      default:
++        goto s_n_llhttp__internal__n_span_start_llhttp__on_header_value_1;
++    }
++    /* UNREACHABLE */;
++    abort();
++  }
++  s_n_llhttp__internal__n_invoke_update_header_state_2: {
+     switch (llhttp__internal__c_update_header_state(state, p, endp)) {
+       default:
+         goto s_n_llhttp__internal__n_header_field_start;
+@@ -5767,7 +5844,7 @@
+   s_n_llhttp__internal__n_invoke_or_flags_7: {
+     switch (llhttp__internal__c_or_flags_3(state, p, endp)) {
+       default:
+-        goto s_n_llhttp__internal__n_invoke_update_header_state_1;
++        goto s_n_llhttp__internal__n_invoke_update_header_state_2;
+     }
+     /* UNREACHABLE */;
+     abort();
+@@ -5775,7 +5852,7 @@
+   s_n_llhttp__internal__n_invoke_or_flags_8: {
+     switch (llhttp__internal__c_or_flags_4(state, p, endp)) {
+       default:
+-        goto s_n_llhttp__internal__n_invoke_update_header_state_1;
++        goto s_n_llhttp__internal__n_invoke_update_header_state_2;
+     }
+     /* UNREACHABLE */;
+     abort();
+@@ -5783,7 +5860,7 @@
+   s_n_llhttp__internal__n_invoke_or_flags_9: {
+     switch (llhttp__internal__c_or_flags_5(state, p, endp)) {
+       default:
+-        goto s_n_llhttp__internal__n_invoke_update_header_state_1;
++        goto s_n_llhttp__internal__n_invoke_update_header_state_2;
+     }
+     /* UNREACHABLE */;
+     abort();
+@@ -5796,7 +5873,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_load_header_state_3: {
++  s_n_llhttp__internal__n_invoke_load_header_state_4: {
+     switch (llhttp__internal__c_load_header_state(state, p, endp)) {
+       case 5:
+         goto s_n_llhttp__internal__n_invoke_or_flags_7;
+@@ -5812,7 +5889,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_23: {
++  s_n_llhttp__internal__n_error_24: {
+     state->error = 0x3;
+     state->reason = "Missing expected LF after header value";
+     state->error_pos = (const char*) p;
+@@ -5830,6 +5907,24 @@
+     err = llhttp__on_header_value(state, start, p);
+     if (err != 0) {
+       state->error = err;
++      state->error_pos = (const char*) (p + 1);
++      state->_current = (void*) (intptr_t) s_n_llhttp__internal__n_header_value_almost_done;
++      return s_error;
++    }
++    p++;
++    goto s_n_llhttp__internal__n_header_value_almost_done;
++    /* UNREACHABLE */;
++    abort();
++  }
++  s_n_llhttp__internal__n_span_end_llhttp__on_header_value_3: {
++    const unsigned char* start;
++    int err;
++    
++    start = state->_span_pos0;
++    state->_span_pos0 = NULL;
++    err = llhttp__on_header_value(state, start, p);
++    if (err != 0) {
++      state->error = err;
+       state->error_pos = (const char*) p;
+       state->_current = (void*) (intptr_t) s_n_llhttp__internal__n_header_value_almost_done;
+       return s_error;
+@@ -5838,7 +5933,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_span_end_llhttp__on_header_value_2: {
++  s_n_llhttp__internal__n_span_end_llhttp__on_header_value_4: {
+     const unsigned char* start;
+     int err;
+     
+@@ -5856,7 +5951,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_span_end_llhttp__on_header_value_3: {
++  s_n_llhttp__internal__n_span_end_llhttp__on_header_value_2: {
+     const unsigned char* start;
+     int err;
+     
+@@ -5865,35 +5960,25 @@
+     err = llhttp__on_header_value(state, start, p);
+     if (err != 0) {
+       state->error = err;
+-      state->error_pos = (const char*) (p + 1);
+-      state->_current = (void*) (intptr_t) s_n_llhttp__internal__n_header_value_almost_done;
++      state->error_pos = (const char*) p;
++      state->_current = (void*) (intptr_t) s_n_llhttp__internal__n_error_25;
+       return s_error;
+     }
+-    p++;
+-    goto s_n_llhttp__internal__n_header_value_almost_done;
+-    /* UNREACHABLE */;
+-    abort();
+-  }
+-  s_n_llhttp__internal__n_error_24: {
+-    state->error = 0xa;
+-    state->reason = "Invalid header value char";
+-    state->error_pos = (const char*) p;
+-    state->_current = (void*) (intptr_t) s_error;
+-    return s_error;
++    goto s_n_llhttp__internal__n_error_25;
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_test_flags_5: {
++  s_n_llhttp__internal__n_invoke_test_flags_6: {
+     switch (llhttp__internal__c_test_flags_2(state, p, endp)) {
+       case 1:
+         goto s_n_llhttp__internal__n_header_value_lenient;
+       default:
+-        goto s_n_llhttp__internal__n_error_24;
++        goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_2;
+     }
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_update_header_state_3: {
++  s_n_llhttp__internal__n_invoke_update_header_state_4: {
+     switch (llhttp__internal__c_update_header_state(state, p, endp)) {
+       default:
+         goto s_n_llhttp__internal__n_header_value_connection;
+@@ -5904,7 +5989,7 @@
+   s_n_llhttp__internal__n_invoke_or_flags_11: {
+     switch (llhttp__internal__c_or_flags_3(state, p, endp)) {
+       default:
+-        goto s_n_llhttp__internal__n_invoke_update_header_state_3;
++        goto s_n_llhttp__internal__n_invoke_update_header_state_4;
+     }
+     /* UNREACHABLE */;
+     abort();
+@@ -5912,7 +5997,7 @@
+   s_n_llhttp__internal__n_invoke_or_flags_12: {
+     switch (llhttp__internal__c_or_flags_4(state, p, endp)) {
+       default:
+-        goto s_n_llhttp__internal__n_invoke_update_header_state_3;
++        goto s_n_llhttp__internal__n_invoke_update_header_state_4;
+     }
+     /* UNREACHABLE */;
+     abort();
+@@ -5920,7 +6005,7 @@
+   s_n_llhttp__internal__n_invoke_or_flags_13: {
+     switch (llhttp__internal__c_or_flags_5(state, p, endp)) {
+       default:
+-        goto s_n_llhttp__internal__n_invoke_update_header_state_3;
++        goto s_n_llhttp__internal__n_invoke_update_header_state_4;
+     }
+     /* UNREACHABLE */;
+     abort();
+@@ -5933,7 +6018,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_load_header_state_4: {
++  s_n_llhttp__internal__n_invoke_load_header_state_5: {
+     switch (llhttp__internal__c_load_header_state(state, p, endp)) {
+       case 5:
+         goto s_n_llhttp__internal__n_invoke_or_flags_11;
+@@ -5949,39 +6034,39 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_update_header_state_4: {
+-    switch (llhttp__internal__c_update_header_state_4(state, p, endp)) {
++  s_n_llhttp__internal__n_invoke_update_header_state_5: {
++    switch (llhttp__internal__c_update_header_state_1(state, p, endp)) {
+       default:
+         goto s_n_llhttp__internal__n_header_value_connection_token;
+     }
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_update_header_state_2: {
+-    switch (llhttp__internal__c_update_header_state_2(state, p, endp)) {
++  s_n_llhttp__internal__n_invoke_update_header_state_3: {
++    switch (llhttp__internal__c_update_header_state_3(state, p, endp)) {
+       default:
+         goto s_n_llhttp__internal__n_header_value_connection_ws;
+     }
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_update_header_state_5: {
+-    switch (llhttp__internal__c_update_header_state_5(state, p, endp)) {
++  s_n_llhttp__internal__n_invoke_update_header_state_6: {
++    switch (llhttp__internal__c_update_header_state_6(state, p, endp)) {
+       default:
+         goto s_n_llhttp__internal__n_header_value_connection_ws;
+     }
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_update_header_state_6: {
+-    switch (llhttp__internal__c_update_header_state_6(state, p, endp)) {
++  s_n_llhttp__internal__n_invoke_update_header_state_7: {
++    switch (llhttp__internal__c_update_header_state_7(state, p, endp)) {
+       default:
+         goto s_n_llhttp__internal__n_header_value_connection_ws;
+     }
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_span_end_llhttp__on_header_value_4: {
++  s_n_llhttp__internal__n_span_end_llhttp__on_header_value_5: {
+     const unsigned char* start;
+     int err;
+     
+@@ -5991,17 +6076,17 @@
+     if (err != 0) {
+       state->error = err;
+       state->error_pos = (const char*) p;
+-      state->_current = (void*) (intptr_t) s_n_llhttp__internal__n_error_26;
++      state->_current = (void*) (intptr_t) s_n_llhttp__internal__n_error_27;
+       return s_error;
+     }
+-    goto s_n_llhttp__internal__n_error_26;
++    goto s_n_llhttp__internal__n_error_27;
+     /* UNREACHABLE */;
+     abort();
+   }
+   s_n_llhttp__internal__n_invoke_mul_add_content_length_1: {
+     switch (llhttp__internal__c_mul_add_content_length_1(state, p, endp, match)) {
+       case 1:
+-        goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_4;
++        goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_5;
+       default:
+         goto s_n_llhttp__internal__n_header_value_content_length;
+     }
+@@ -6016,7 +6101,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_span_end_llhttp__on_header_value_5: {
++  s_n_llhttp__internal__n_span_end_llhttp__on_header_value_6: {
+     const unsigned char* start;
+     int err;
+     
+@@ -6026,14 +6111,14 @@
+     if (err != 0) {
+       state->error = err;
+       state->error_pos = (const char*) p;
+-      state->_current = (void*) (intptr_t) s_n_llhttp__internal__n_error_27;
++      state->_current = (void*) (intptr_t) s_n_llhttp__internal__n_error_28;
+       return s_error;
+     }
+-    goto s_n_llhttp__internal__n_error_27;
++    goto s_n_llhttp__internal__n_error_28;
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_25: {
++  s_n_llhttp__internal__n_error_26: {
+     state->error = 0x4;
+     state->reason = "Duplicate Content-Length";
+     state->error_pos = (const char*) p;
+@@ -6042,26 +6127,82 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_test_flags_6: {
+-    switch (llhttp__internal__c_test_flags_6(state, p, endp)) {
++  s_n_llhttp__internal__n_invoke_test_flags_7: {
++    switch (llhttp__internal__c_test_flags_7(state, p, endp)) {
+       case 0:
+         goto s_n_llhttp__internal__n_header_value_content_length;
+       default:
+-        goto s_n_llhttp__internal__n_error_25;
++        goto s_n_llhttp__internal__n_error_26;
+     }
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_update_header_state_7: {
+-    switch (llhttp__internal__c_update_header_state_7(state, p, endp)) {
++  s_n_llhttp__internal__n_span_end_llhttp__on_header_value_8: {
++    const unsigned char* start;
++    int err;
++    
++    start = state->_span_pos0;
++    state->_span_pos0 = NULL;
++    err = llhttp__on_header_value(state, start, p);
++    if (err != 0) {
++      state->error = err;
++      state->error_pos = (const char*) (p + 1);
++      state->_current = (void*) (intptr_t) s_n_llhttp__internal__n_error_30;
++      return s_error;
++    }
++    p++;
++    goto s_n_llhttp__internal__n_error_30;
++    /* UNREACHABLE */;
++    abort();
++  }
++  s_n_llhttp__internal__n_invoke_update_header_state_8: {
++    switch (llhttp__internal__c_update_header_state_8(state, p, endp)) {
+       default:
+         goto s_n_llhttp__internal__n_header_value_otherwise;
+     }
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_update_header_state_8: {
+-    switch (llhttp__internal__c_update_header_state_4(state, p, endp)) {
++  s_n_llhttp__internal__n_span_end_llhttp__on_header_value_7: {
++    const unsigned char* start;
++    int err;
++    
++    start = state->_span_pos0;
++    state->_span_pos0 = NULL;
++    err = llhttp__on_header_value(state, start, p);
++    if (err != 0) {
++      state->error = err;
++      state->error_pos = (const char*) (p + 1);
++      state->_current = (void*) (intptr_t) s_n_llhttp__internal__n_error_29;
++      return s_error;
++    }
++    p++;
++    goto s_n_llhttp__internal__n_error_29;
++    /* UNREACHABLE */;
++    abort();
++  }
++  s_n_llhttp__internal__n_invoke_test_flags_9: {
++    switch (llhttp__internal__c_test_flags_2(state, p, endp)) {
++      case 0:
++        goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_7;
++      default:
++        goto s_n_llhttp__internal__n_header_value_te_chunked;
++    }
++    /* UNREACHABLE */;
++    abort();
++  }
++  s_n_llhttp__internal__n_invoke_load_type_1: {
++    switch (llhttp__internal__c_load_type(state, p, endp)) {
++      case 1:
++        goto s_n_llhttp__internal__n_invoke_test_flags_9;
++      default:
++        goto s_n_llhttp__internal__n_header_value_te_chunked;
++    }
++    /* UNREACHABLE */;
++    abort();
++  }
++  s_n_llhttp__internal__n_invoke_update_header_state_9: {
++    switch (llhttp__internal__c_update_header_state_1(state, p, endp)) {
+       default:
+         goto s_n_llhttp__internal__n_header_value;
+     }
+@@ -6076,6 +6217,34 @@
+     /* UNREACHABLE */;
+     abort();
+   }
++  s_n_llhttp__internal__n_invoke_or_flags_17: {
++    switch (llhttp__internal__c_or_flags_16(state, p, endp)) {
++      default:
++        goto s_n_llhttp__internal__n_invoke_and_flags;
++    }
++    /* UNREACHABLE */;
++    abort();
++  }
++  s_n_llhttp__internal__n_invoke_test_flags_10: {
++    switch (llhttp__internal__c_test_flags_2(state, p, endp)) {
++      case 0:
++        goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_8;
++      default:
++        goto s_n_llhttp__internal__n_invoke_or_flags_17;
++    }
++    /* UNREACHABLE */;
++    abort();
++  }
++  s_n_llhttp__internal__n_invoke_load_type_2: {
++    switch (llhttp__internal__c_load_type(state, p, endp)) {
++      case 1:
++        goto s_n_llhttp__internal__n_invoke_test_flags_10;
++      default:
++        goto s_n_llhttp__internal__n_invoke_or_flags_17;
++    }
++    /* UNREACHABLE */;
++    abort();
++  }
+   s_n_llhttp__internal__n_invoke_or_flags_16: {
+     switch (llhttp__internal__c_or_flags_16(state, p, endp)) {
+       default:
+@@ -6084,10 +6253,20 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_or_flags_17: {
+-    switch (llhttp__internal__c_or_flags_17(state, p, endp)) {
++  s_n_llhttp__internal__n_invoke_test_flags_8: {
++    switch (llhttp__internal__c_test_flags_8(state, p, endp)) {
++      case 1:
++        goto s_n_llhttp__internal__n_invoke_load_type_2;
+       default:
+-        goto s_n_llhttp__internal__n_invoke_update_header_state_8;
++        goto s_n_llhttp__internal__n_invoke_or_flags_16;
++    }
++    /* UNREACHABLE */;
++    abort();
++  }
++  s_n_llhttp__internal__n_invoke_or_flags_18: {
++    switch (llhttp__internal__c_or_flags_18(state, p, endp)) {
++      default:
++        goto s_n_llhttp__internal__n_invoke_update_header_state_9;
+     }
+     /* UNREACHABLE */;
+     abort();
+@@ -6097,11 +6276,11 @@
+       case 1:
+         goto s_n_llhttp__internal__n_header_value_connection;
+       case 2:
+-        goto s_n_llhttp__internal__n_invoke_test_flags_6;
++        goto s_n_llhttp__internal__n_invoke_test_flags_7;
+       case 3:
+-        goto s_n_llhttp__internal__n_invoke_or_flags_16;
++        goto s_n_llhttp__internal__n_invoke_test_flags_8;
+       case 4:
+-        goto s_n_llhttp__internal__n_invoke_or_flags_17;
++        goto s_n_llhttp__internal__n_invoke_or_flags_18;
+       default:
+         goto s_n_llhttp__internal__n_header_value;
+     }
+@@ -6144,7 +6323,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_28: {
++  s_n_llhttp__internal__n_error_31: {
+     state->error = 0xa;
+     state->reason = "Invalid header token";
+     state->error_pos = (const char*) p;
+@@ -6153,8 +6332,8 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_update_header_state_9: {
+-    switch (llhttp__internal__c_update_header_state_4(state, p, endp)) {
++  s_n_llhttp__internal__n_invoke_update_header_state_10: {
++    switch (llhttp__internal__c_update_header_state_1(state, p, endp)) {
+       default:
+         goto s_n_llhttp__internal__n_header_field_general;
+     }
+@@ -6169,8 +6348,8 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_update_header_state_10: {
+-    switch (llhttp__internal__c_update_header_state_4(state, p, endp)) {
++  s_n_llhttp__internal__n_invoke_update_header_state_11: {
++    switch (llhttp__internal__c_update_header_state_1(state, p, endp)) {
+       default:
+         goto s_n_llhttp__internal__n_header_field_general;
+     }
+@@ -6210,7 +6389,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_29: {
++  s_n_llhttp__internal__n_error_32: {
+     state->error = 0x7;
+     state->reason = "Expected CRLF";
+     state->error_pos = (const char*) p;
+@@ -6236,7 +6415,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_30: {
++  s_n_llhttp__internal__n_error_33: {
+     state->error = 0x9;
+     state->reason = "Expected CRLF after version";
+     state->error_pos = (const char*) p;
+@@ -6253,7 +6432,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_31: {
++  s_n_llhttp__internal__n_error_34: {
+     state->error = 0x9;
+     state->reason = "Invalid minor version";
+     state->error_pos = (const char*) p;
+@@ -6262,7 +6441,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_32: {
++  s_n_llhttp__internal__n_error_35: {
+     state->error = 0x9;
+     state->reason = "Expected dot";
+     state->error_pos = (const char*) p;
+@@ -6279,7 +6458,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_33: {
++  s_n_llhttp__internal__n_error_36: {
+     state->error = 0x9;
+     state->reason = "Invalid major version";
+     state->error_pos = (const char*) p;
+@@ -6288,7 +6467,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_35: {
++  s_n_llhttp__internal__n_error_38: {
+     state->error = 0x8;
+     state->reason = "Expected HTTP/";
+     state->error_pos = (const char*) p;
+@@ -6297,7 +6476,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_34: {
++  s_n_llhttp__internal__n_error_37: {
+     state->error = 0x8;
+     state->reason = "Expected SOURCE method for ICE/x.x request";
+     state->error_pos = (const char*) p;
+@@ -6309,7 +6488,7 @@
+   s_n_llhttp__internal__n_invoke_is_equal_method_1: {
+     switch (llhttp__internal__c_is_equal_method_1(state, p, endp)) {
+       case 0:
+-        goto s_n_llhttp__internal__n_error_34;
++        goto s_n_llhttp__internal__n_error_37;
+       default:
+         goto s_n_llhttp__internal__n_req_http_major;
+     }
+@@ -6384,7 +6563,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_36: {
++  s_n_llhttp__internal__n_error_39: {
+     state->error = 0x7;
+     state->reason = "Invalid char in url fragment start";
+     state->error_pos = (const char*) p;
+@@ -6444,7 +6623,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_37: {
++  s_n_llhttp__internal__n_error_40: {
+     state->error = 0x7;
+     state->reason = "Invalid char in url query";
+     state->error_pos = (const char*) p;
+@@ -6453,7 +6632,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_38: {
++  s_n_llhttp__internal__n_error_41: {
+     state->error = 0x7;
+     state->reason = "Invalid char in url path";
+     state->error_pos = (const char*) p;
+@@ -6564,7 +6743,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_39: {
++  s_n_llhttp__internal__n_error_42: {
+     state->error = 0x7;
+     state->reason = "Double @ in url";
+     state->error_pos = (const char*) p;
+@@ -6573,7 +6752,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_40: {
++  s_n_llhttp__internal__n_error_43: {
+     state->error = 0x7;
+     state->reason = "Unexpected char in url server";
+     state->error_pos = (const char*) p;
+@@ -6582,7 +6761,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_41: {
++  s_n_llhttp__internal__n_error_44: {
+     state->error = 0x7;
+     state->reason = "Unexpected char in url server";
+     state->error_pos = (const char*) p;
+@@ -6591,7 +6770,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_43: {
++  s_n_llhttp__internal__n_error_46: {
+     state->error = 0x7;
+     state->reason = "Unexpected char in url schema";
+     state->error_pos = (const char*) p;
+@@ -6600,7 +6779,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_44: {
++  s_n_llhttp__internal__n_error_47: {
+     state->error = 0x7;
+     state->reason = "Unexpected char in url schema";
+     state->error_pos = (const char*) p;
+@@ -6609,7 +6788,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_45: {
++  s_n_llhttp__internal__n_error_48: {
+     state->error = 0x7;
+     state->reason = "Unexpected start char in url";
+     state->error_pos = (const char*) p;
+@@ -6628,7 +6807,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_46: {
++  s_n_llhttp__internal__n_error_49: {
+     state->error = 0x6;
+     state->reason = "Expected space after method";
+     state->error_pos = (const char*) p;
+@@ -6645,7 +6824,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_55: {
++  s_n_llhttp__internal__n_error_58: {
+     state->error = 0x6;
+     state->reason = "Invalid method encountered";
+     state->error_pos = (const char*) p;
+@@ -6654,7 +6833,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_47: {
++  s_n_llhttp__internal__n_error_50: {
+     state->error = 0xd;
+     state->reason = "Response overflow";
+     state->error_pos = (const char*) p;
+@@ -6666,14 +6845,14 @@
+   s_n_llhttp__internal__n_invoke_mul_add_status_code: {
+     switch (llhttp__internal__c_mul_add_status_code(state, p, endp, match)) {
+       case 1:
+-        goto s_n_llhttp__internal__n_error_47;
++        goto s_n_llhttp__internal__n_error_50;
+       default:
+         goto s_n_llhttp__internal__n_res_status_code;
+     }
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_48: {
++  s_n_llhttp__internal__n_error_51: {
+     state->error = 0x2;
+     state->reason = "Expected LF after CR";
+     state->error_pos = (const char*) p;
+@@ -6718,7 +6897,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_49: {
++  s_n_llhttp__internal__n_error_52: {
+     state->error = 0xd;
+     state->reason = "Invalid response status";
+     state->error_pos = (const char*) p;
+@@ -6735,7 +6914,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_50: {
++  s_n_llhttp__internal__n_error_53: {
+     state->error = 0x9;
+     state->reason = "Expected space after version";
+     state->error_pos = (const char*) p;
+@@ -6752,7 +6931,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_51: {
++  s_n_llhttp__internal__n_error_54: {
+     state->error = 0x9;
+     state->reason = "Invalid minor version";
+     state->error_pos = (const char*) p;
+@@ -6761,7 +6940,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_52: {
++  s_n_llhttp__internal__n_error_55: {
+     state->error = 0x9;
+     state->reason = "Expected dot";
+     state->error_pos = (const char*) p;
+@@ -6778,7 +6957,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_53: {
++  s_n_llhttp__internal__n_error_56: {
+     state->error = 0x9;
+     state->reason = "Invalid major version";
+     state->error_pos = (const char*) p;
+@@ -6787,7 +6966,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_56: {
++  s_n_llhttp__internal__n_error_59: {
+     state->error = 0x8;
+     state->reason = "Expected HTTP/";
+     state->error_pos = (const char*) p;
+@@ -6812,7 +6991,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_54: {
++  s_n_llhttp__internal__n_error_57: {
+     state->error = 0x8;
+     state->reason = "Invalid word encountered";
+     state->error_pos = (const char*) p;
+@@ -7244,6 +7423,7 @@
+   s_n_llhttp__internal__n_header_value_lws,
+   s_n_llhttp__internal__n_header_value_almost_done,
+   s_n_llhttp__internal__n_header_value_lenient,
++  s_n_llhttp__internal__n_error_19,
+   s_n_llhttp__internal__n_header_value_otherwise,
+   s_n_llhttp__internal__n_header_value_connection_token,
+   s_n_llhttp__internal__n_header_value_connection_ws,
+@@ -7251,14 +7431,16 @@
+   s_n_llhttp__internal__n_header_value_connection_2,
+   s_n_llhttp__internal__n_header_value_connection_3,
+   s_n_llhttp__internal__n_header_value_connection,
+-  s_n_llhttp__internal__n_error_20,
+   s_n_llhttp__internal__n_error_21,
++  s_n_llhttp__internal__n_error_22,
+   s_n_llhttp__internal__n_header_value_content_length_ws,
+   s_n_llhttp__internal__n_header_value_content_length,
+-  s_n_llhttp__internal__n_header_value_te_chunked_last,
++  s_n_llhttp__internal__n_error_24,
++  s_n_llhttp__internal__n_error_23,
+   s_n_llhttp__internal__n_header_value_te_token_ows,
+   s_n_llhttp__internal__n_header_value,
+   s_n_llhttp__internal__n_header_value_te_token,
++  s_n_llhttp__internal__n_header_value_te_chunked_last,
+   s_n_llhttp__internal__n_header_value_te_chunked,
+   s_n_llhttp__internal__n_span_start_llhttp__on_header_value_1,
+   s_n_llhttp__internal__n_header_value_discard_ws,
+@@ -7648,7 +7830,7 @@
+   return 0;
+ }
+ 
+-int llhttp__internal__c_update_header_state_2(
++int llhttp__internal__c_update_header_state_3(
+     llhttp__internal_t* state,
+     const unsigned char* p,
+     const unsigned char* endp) {
+@@ -7656,7 +7838,7 @@
+   return 0;
+ }
+ 
+-int llhttp__internal__c_update_header_state_4(
++int llhttp__internal__c_update_header_state_1(
+     llhttp__internal_t* state,
+     const unsigned char* p,
+     const unsigned char* endp) {
+@@ -7664,7 +7846,7 @@
+   return 0;
+ }
+ 
+-int llhttp__internal__c_update_header_state_5(
++int llhttp__internal__c_update_header_state_6(
+     llhttp__internal_t* state,
+     const unsigned char* p,
+     const unsigned char* endp) {
+@@ -7672,7 +7854,7 @@
+   return 0;
+ }
+ 
+-int llhttp__internal__c_update_header_state_6(
++int llhttp__internal__c_update_header_state_7(
+     llhttp__internal_t* state,
+     const unsigned char* p,
+     const unsigned char* endp) {
+@@ -7680,7 +7862,7 @@
+   return 0;
+ }
+ 
+-int llhttp__internal__c_test_flags_6(
++int llhttp__internal__c_test_flags_7(
+     llhttp__internal_t* state,
+     const unsigned char* p,
+     const unsigned char* endp) {
+@@ -7721,6 +7903,13 @@
+   return 0;
+ }
+ 
++int llhttp__internal__c_test_flags_8(
++    llhttp__internal_t* state,
++    const unsigned char* p,
++    const unsigned char* endp) {
++  return (state->flags & 8) == 8;
++}
++
+ int llhttp__internal__c_or_flags_16(
+     llhttp__internal_t* state,
+     const unsigned char* p,
+@@ -7737,7 +7926,7 @@
+   return 0;
+ }
+ 
+-int llhttp__internal__c_update_header_state_7(
++int llhttp__internal__c_update_header_state_8(
+     llhttp__internal_t* state,
+     const unsigned char* p,
+     const unsigned char* endp) {
+@@ -7745,7 +7934,7 @@
+   return 0;
+ }
+ 
+-int llhttp__internal__c_or_flags_17(
++int llhttp__internal__c_or_flags_18(
+     llhttp__internal_t* state,
+     const unsigned char* p,
+     const unsigned char* endp) {
+@@ -8432,13 +8621,13 @@
+       }
+       switch (*p) {
+         case 9: {
+-          goto s_n_llhttp__internal__n_span_start_llhttp__on_header_value_1;
++          goto s_n_llhttp__internal__n_invoke_load_header_state_3;
+         }
+         case ' ': {
+-          goto s_n_llhttp__internal__n_span_start_llhttp__on_header_value_1;
++          goto s_n_llhttp__internal__n_invoke_load_header_state_3;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_invoke_load_header_state_3;
++          goto s_n_llhttp__internal__n_invoke_load_header_state_4;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -8455,7 +8644,7 @@
+           goto s_n_llhttp__internal__n_header_value_lws;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_17;
++          goto s_n_llhttp__internal__n_error_18;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -8468,10 +8657,10 @@
+       }
+       switch (*p) {
+         case 10: {
+-          goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_1;
++          goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_3;
+         }
+         case 13: {
+-          goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_3;
++          goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_4;
+         }
+         default: {
+           p++;
+@@ -8481,20 +8670,27 @@
+       /* UNREACHABLE */;
+       abort();
+     }
++    case s_n_llhttp__internal__n_error_19:
++    s_n_llhttp__internal__n_error_19: {
++      state->error = 0xa;
++      state->reason = "Invalid header value char";
++      state->error_pos = (const char*) p;
++      state->_current = (void*) (intptr_t) s_error;
++      return s_error;
++      /* UNREACHABLE */;
++      abort();
++    }
+     case s_n_llhttp__internal__n_header_value_otherwise:
+     s_n_llhttp__internal__n_header_value_otherwise: {
+       if (p == endp) {
+         return s_n_llhttp__internal__n_header_value_otherwise;
+       }
+       switch (*p) {
+-        case 10: {
+-          goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_1;
+-        }
+         case 13: {
+-          goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_2;
++          goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_1;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_invoke_test_flags_5;
++          goto s_n_llhttp__internal__n_invoke_test_flags_6;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -8557,10 +8753,10 @@
+         }
+         case ',': {
+           p++;
+-          goto s_n_llhttp__internal__n_invoke_load_header_state_4;
++          goto s_n_llhttp__internal__n_invoke_load_header_state_5;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_4;
++          goto s_n_llhttp__internal__n_invoke_update_header_state_5;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -8578,7 +8774,7 @@
+       switch (match_seq.status) {
+         case kMatchComplete: {
+           p++;
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_2;
++          goto s_n_llhttp__internal__n_invoke_update_header_state_3;
+         }
+         case kMatchPause: {
+           return s_n_llhttp__internal__n_header_value_connection_1;
+@@ -8602,7 +8798,7 @@
+       switch (match_seq.status) {
+         case kMatchComplete: {
+           p++;
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_5;
++          goto s_n_llhttp__internal__n_invoke_update_header_state_6;
+         }
+         case kMatchPause: {
+           return s_n_llhttp__internal__n_header_value_connection_2;
+@@ -8626,7 +8822,7 @@
+       switch (match_seq.status) {
+         case kMatchComplete: {
+           p++;
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_6;
++          goto s_n_llhttp__internal__n_invoke_update_header_state_7;
+         }
+         case kMatchPause: {
+           return s_n_llhttp__internal__n_header_value_connection_3;
+@@ -8671,8 +8867,8 @@
+       /* UNREACHABLE */;
+       abort();
+     }
+-    case s_n_llhttp__internal__n_error_20:
+-    s_n_llhttp__internal__n_error_20: {
++    case s_n_llhttp__internal__n_error_21:
++    s_n_llhttp__internal__n_error_21: {
+       state->error = 0xb;
+       state->reason = "Content-Length overflow";
+       state->error_pos = (const char*) p;
+@@ -8681,8 +8877,8 @@
+       /* UNREACHABLE */;
+       abort();
+     }
+-    case s_n_llhttp__internal__n_error_21:
+-    s_n_llhttp__internal__n_error_21: {
++    case s_n_llhttp__internal__n_error_22:
++    s_n_llhttp__internal__n_error_22: {
+       state->error = 0xb;
+       state->reason = "Invalid character in Content-Length";
+       state->error_pos = (const char*) p;
+@@ -8708,7 +8904,7 @@
+           goto s_n_llhttp__internal__n_header_value_content_length_ws;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_5;
++          goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_6;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -8777,26 +8973,23 @@
+       /* UNREACHABLE */;
+       abort();
+     }
+-    case s_n_llhttp__internal__n_header_value_te_chunked_last:
+-    s_n_llhttp__internal__n_header_value_te_chunked_last: {
+-      if (p == endp) {
+-        return s_n_llhttp__internal__n_header_value_te_chunked_last;
+-      }
+-      switch (*p) {
+-        case 10: {
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_7;
+-        }
+-        case 13: {
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_7;
+-        }
+-        case ' ': {
+-          p++;
+-          goto s_n_llhttp__internal__n_header_value_te_chunked_last;
+-        }
+-        default: {
+-          goto s_n_llhttp__internal__n_header_value_te_chunked;
+-        }
+-      }
++    case s_n_llhttp__internal__n_error_24:
++    s_n_llhttp__internal__n_error_24: {
++      state->error = 0xf;
++      state->reason = "Invalid `Transfer-Encoding` header value";
++      state->error_pos = (const char*) p;
++      state->_current = (void*) (intptr_t) s_error;
++      return s_error;
++      /* UNREACHABLE */;
++      abort();
++    }
++    case s_n_llhttp__internal__n_error_23:
++    s_n_llhttp__internal__n_error_23: {
++      state->error = 0xf;
++      state->reason = "Invalid `Transfer-Encoding` header value";
++      state->error_pos = (const char*) p;
++      state->_current = (void*) (intptr_t) s_error;
++      return s_error;
+       /* UNREACHABLE */;
+       abort();
+     }
+@@ -8913,8 +9106,34 @@
+           goto s_n_llhttp__internal__n_header_value_te_token_ows;
+         }
+         default: {
++          goto s_n_llhttp__internal__n_invoke_update_header_state_9;
++        }
++      }
++      /* UNREACHABLE */;
++      abort();
++    }
++    case s_n_llhttp__internal__n_header_value_te_chunked_last:
++    s_n_llhttp__internal__n_header_value_te_chunked_last: {
++      if (p == endp) {
++        return s_n_llhttp__internal__n_header_value_te_chunked_last;
++      }
++      switch (*p) {
++        case 10: {
+           goto s_n_llhttp__internal__n_invoke_update_header_state_8;
+         }
++        case 13: {
++          goto s_n_llhttp__internal__n_invoke_update_header_state_8;
++        }
++        case ' ': {
++          p++;
++          goto s_n_llhttp__internal__n_header_value_te_chunked_last;
++        }
++        case ',': {
++          goto s_n_llhttp__internal__n_invoke_load_type_1;
++        }
++        default: {
++          goto s_n_llhttp__internal__n_header_value_te_token;
++        }
+       }
+       /* UNREACHABLE */;
+       abort();
+@@ -8966,7 +9185,7 @@
+         }
+         case 10: {
+           p++;
+-          goto s_n_llhttp__internal__n_header_value_discard_lws;
++          goto s_n_llhttp__internal__n_invoke_test_flags_5;
+         }
+         case 13: {
+           p++;
+@@ -8993,7 +9212,7 @@
+           goto s_n_llhttp__internal__n_span_end_llhttp__on_header_field_2;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_22;
++          goto s_n_llhttp__internal__n_error_25;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -9083,7 +9302,7 @@
+           goto s_n_llhttp__internal__n_span_end_llhttp__on_header_field_1;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_9;
++          goto s_n_llhttp__internal__n_invoke_update_header_state_10;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -9108,7 +9327,7 @@
+           return s_n_llhttp__internal__n_header_field_3;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_10;
++          goto s_n_llhttp__internal__n_invoke_update_header_state_11;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -9133,7 +9352,7 @@
+           return s_n_llhttp__internal__n_header_field_4;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_10;
++          goto s_n_llhttp__internal__n_invoke_update_header_state_11;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -9154,7 +9373,7 @@
+           goto s_n_llhttp__internal__n_header_field_4;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_10;
++          goto s_n_llhttp__internal__n_invoke_update_header_state_11;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -9178,7 +9397,7 @@
+           return s_n_llhttp__internal__n_header_field_1;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_10;
++          goto s_n_llhttp__internal__n_invoke_update_header_state_11;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -9203,7 +9422,7 @@
+           return s_n_llhttp__internal__n_header_field_5;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_10;
++          goto s_n_llhttp__internal__n_invoke_update_header_state_11;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -9228,7 +9447,7 @@
+           return s_n_llhttp__internal__n_header_field_6;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_10;
++          goto s_n_llhttp__internal__n_invoke_update_header_state_11;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -9253,7 +9472,7 @@
+           return s_n_llhttp__internal__n_header_field_7;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_10;
++          goto s_n_llhttp__internal__n_invoke_update_header_state_11;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -9282,7 +9501,7 @@
+           goto s_n_llhttp__internal__n_header_field_7;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_invoke_update_header_state_10;
++          goto s_n_llhttp__internal__n_invoke_update_header_state_11;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -9347,7 +9566,7 @@
+           return s_n_llhttp__internal__n_url_skip_lf_to_http09;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_23;
++          goto s_n_llhttp__internal__n_error_26;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -9364,7 +9583,7 @@
+           goto s_n_llhttp__internal__n_header_field_start;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_24;
++          goto s_n_llhttp__internal__n_error_27;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -9385,7 +9604,7 @@
+           goto s_n_llhttp__internal__n_req_http_end_1;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_24;
++          goto s_n_llhttp__internal__n_error_27;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -9448,7 +9667,7 @@
+           goto s_n_llhttp__internal__n_invoke_store_http_minor;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_25;
++          goto s_n_llhttp__internal__n_error_28;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -9465,7 +9684,7 @@
+           goto s_n_llhttp__internal__n_req_http_minor;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_26;
++          goto s_n_llhttp__internal__n_error_29;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -9528,7 +9747,7 @@
+           goto s_n_llhttp__internal__n_invoke_store_http_major;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_27;
++          goto s_n_llhttp__internal__n_error_30;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -9552,7 +9771,7 @@
+           return s_n_llhttp__internal__n_req_http_start_1;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_29;
++          goto s_n_llhttp__internal__n_error_32;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -9576,7 +9795,7 @@
+           return s_n_llhttp__internal__n_req_http_start_2;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_29;
++          goto s_n_llhttp__internal__n_error_32;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -9601,7 +9820,7 @@
+           goto s_n_llhttp__internal__n_req_http_start_2;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_29;
++          goto s_n_llhttp__internal__n_error_32;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -9655,7 +9874,7 @@
+           goto s_n_llhttp__internal__n_span_end_llhttp__on_url_8;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_30;
++          goto s_n_llhttp__internal__n_error_33;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -9712,7 +9931,7 @@
+           goto s_n_llhttp__internal__n_span_end_stub_query_3;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_31;
++          goto s_n_llhttp__internal__n_error_34;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -9742,7 +9961,7 @@
+           goto s_n_llhttp__internal__n_url_query;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_32;
++          goto s_n_llhttp__internal__n_error_35;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -9883,10 +10102,10 @@
+         }
+         case 7: {
+           p++;
+-          goto s_n_llhttp__internal__n_error_33;
++          goto s_n_llhttp__internal__n_error_36;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_34;
++          goto s_n_llhttp__internal__n_error_37;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -9941,7 +10160,7 @@
+           goto s_n_llhttp__internal__n_url_server_with_at;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_35;
++          goto s_n_llhttp__internal__n_error_38;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -9958,7 +10177,7 @@
+           goto s_n_llhttp__internal__n_url_server;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_37;
++          goto s_n_llhttp__internal__n_error_40;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -9972,22 +10191,22 @@
+       switch (*p) {
+         case 10: {
+           p++;
+-          goto s_n_llhttp__internal__n_error_36;
++          goto s_n_llhttp__internal__n_error_39;
+         }
+         case 13: {
+           p++;
+-          goto s_n_llhttp__internal__n_error_36;
++          goto s_n_llhttp__internal__n_error_39;
+         }
+         case ' ': {
+           p++;
+-          goto s_n_llhttp__internal__n_error_36;
++          goto s_n_llhttp__internal__n_error_39;
+         }
+         case '/': {
+           p++;
+           goto s_n_llhttp__internal__n_url_schema_delim_1;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_37;
++          goto s_n_llhttp__internal__n_error_40;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10029,7 +10248,7 @@
+       switch (lookup_table[(uint8_t) *p]) {
+         case 1: {
+           p++;
+-          goto s_n_llhttp__internal__n_error_36;
++          goto s_n_llhttp__internal__n_error_39;
+         }
+         case 2: {
+           goto s_n_llhttp__internal__n_span_end_stub_schema;
+@@ -10039,7 +10258,7 @@
+           goto s_n_llhttp__internal__n_url_schema;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_38;
++          goto s_n_llhttp__internal__n_error_41;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10071,7 +10290,7 @@
+       switch (lookup_table[(uint8_t) *p]) {
+         case 1: {
+           p++;
+-          goto s_n_llhttp__internal__n_error_36;
++          goto s_n_llhttp__internal__n_error_39;
+         }
+         case 2: {
+           goto s_n_llhttp__internal__n_span_start_stub_path_2;
+@@ -10080,7 +10299,7 @@
+           goto s_n_llhttp__internal__n_url_schema;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_39;
++          goto s_n_llhttp__internal__n_error_42;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10136,7 +10355,7 @@
+           goto s_n_llhttp__internal__n_req_spaces_before_url;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_40;
++          goto s_n_llhttp__internal__n_error_43;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10161,7 +10380,7 @@
+           return s_n_llhttp__internal__n_start_req_1;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10186,7 +10405,7 @@
+           return s_n_llhttp__internal__n_start_req_2;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10211,7 +10430,7 @@
+           return s_n_llhttp__internal__n_start_req_4;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10236,7 +10455,7 @@
+           return s_n_llhttp__internal__n_start_req_6;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10254,7 +10473,7 @@
+           goto s_n_llhttp__internal__n_invoke_store_method_1;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10275,7 +10494,7 @@
+           goto s_n_llhttp__internal__n_start_req_7;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10296,7 +10515,7 @@
+           goto s_n_llhttp__internal__n_start_req_5;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10321,7 +10540,7 @@
+           return s_n_llhttp__internal__n_start_req_8;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10346,7 +10565,7 @@
+           return s_n_llhttp__internal__n_start_req_9;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10371,7 +10590,7 @@
+           return s_n_llhttp__internal__n_start_req_10;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10396,7 +10615,7 @@
+           return s_n_llhttp__internal__n_start_req_12;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10421,7 +10640,7 @@
+           return s_n_llhttp__internal__n_start_req_13;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10442,7 +10661,7 @@
+           goto s_n_llhttp__internal__n_start_req_13;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10467,7 +10686,7 @@
+           return s_n_llhttp__internal__n_start_req_15;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10492,7 +10711,7 @@
+           return s_n_llhttp__internal__n_start_req_16;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10517,7 +10736,7 @@
+           return s_n_llhttp__internal__n_start_req_18;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10542,7 +10761,7 @@
+           return s_n_llhttp__internal__n_start_req_20;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10560,7 +10779,7 @@
+           goto s_n_llhttp__internal__n_invoke_store_method_1;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10581,7 +10800,7 @@
+           goto s_n_llhttp__internal__n_start_req_21;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10602,7 +10821,7 @@
+           goto s_n_llhttp__internal__n_start_req_19;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10627,7 +10846,7 @@
+           return s_n_llhttp__internal__n_start_req_22;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10656,7 +10875,7 @@
+           goto s_n_llhttp__internal__n_start_req_22;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10681,7 +10900,7 @@
+           return s_n_llhttp__internal__n_start_req_23;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10706,7 +10925,7 @@
+           return s_n_llhttp__internal__n_start_req_24;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10731,7 +10950,7 @@
+           return s_n_llhttp__internal__n_start_req_26;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10756,7 +10975,7 @@
+           return s_n_llhttp__internal__n_start_req_27;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10781,7 +11000,7 @@
+           return s_n_llhttp__internal__n_start_req_31;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10806,7 +11025,7 @@
+           return s_n_llhttp__internal__n_start_req_32;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10827,7 +11046,7 @@
+           goto s_n_llhttp__internal__n_start_req_32;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10844,7 +11063,7 @@
+           goto s_n_llhttp__internal__n_start_req_30;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10866,7 +11085,7 @@
+           goto s_n_llhttp__internal__n_start_req_29;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10891,7 +11110,7 @@
+           return s_n_llhttp__internal__n_start_req_34;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10913,7 +11132,7 @@
+           goto s_n_llhttp__internal__n_invoke_store_method_1;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10942,7 +11161,7 @@
+           goto s_n_llhttp__internal__n_start_req_33;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10967,7 +11186,7 @@
+           return s_n_llhttp__internal__n_start_req_37;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -10992,7 +11211,7 @@
+           return s_n_llhttp__internal__n_start_req_38;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -11013,7 +11232,7 @@
+           goto s_n_llhttp__internal__n_start_req_38;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -11030,7 +11249,7 @@
+           goto s_n_llhttp__internal__n_start_req_36;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -11055,7 +11274,7 @@
+           return s_n_llhttp__internal__n_start_req_40;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -11080,7 +11299,7 @@
+           return s_n_llhttp__internal__n_start_req_41;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -11105,7 +11324,7 @@
+           return s_n_llhttp__internal__n_start_req_42;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -11130,7 +11349,7 @@
+           goto s_n_llhttp__internal__n_start_req_42;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -11155,7 +11374,7 @@
+           return s_n_llhttp__internal__n_start_req_43;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -11180,7 +11399,7 @@
+           return s_n_llhttp__internal__n_start_req_46;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -11205,7 +11424,7 @@
+           return s_n_llhttp__internal__n_start_req_48;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -11230,7 +11449,7 @@
+           return s_n_llhttp__internal__n_start_req_49;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -11251,7 +11470,7 @@
+           goto s_n_llhttp__internal__n_start_req_49;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -11276,7 +11495,7 @@
+           return s_n_llhttp__internal__n_start_req_50;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -11301,7 +11520,7 @@
+           goto s_n_llhttp__internal__n_start_req_50;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -11318,7 +11537,7 @@
+           goto s_n_llhttp__internal__n_start_req_45;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -11391,7 +11610,7 @@
+           goto s_n_llhttp__internal__n_start_req_44;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_48;
++          goto s_n_llhttp__internal__n_error_51;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -11476,7 +11695,7 @@
+           goto s_n_llhttp__internal__n_res_status_start;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_42;
++          goto s_n_llhttp__internal__n_error_45;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -11556,7 +11775,7 @@
+           goto s_n_llhttp__internal__n_invoke_update_status_code;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_43;
++          goto s_n_llhttp__internal__n_error_46;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -11619,7 +11838,7 @@
+           goto s_n_llhttp__internal__n_invoke_store_http_minor_1;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_44;
++          goto s_n_llhttp__internal__n_error_47;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -11636,7 +11855,7 @@
+           goto s_n_llhttp__internal__n_res_http_minor;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_45;
++          goto s_n_llhttp__internal__n_error_48;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -11699,7 +11918,7 @@
+           goto s_n_llhttp__internal__n_invoke_store_http_major_1;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_46;
++          goto s_n_llhttp__internal__n_error_49;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -11723,7 +11942,7 @@
+           return s_n_llhttp__internal__n_start_res;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_49;
++          goto s_n_llhttp__internal__n_error_52;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -11748,7 +11967,7 @@
+           return s_n_llhttp__internal__n_req_or_res_method_2;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_47;
++          goto s_n_llhttp__internal__n_error_50;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -11772,7 +11991,7 @@
+           return s_n_llhttp__internal__n_req_or_res_method_3;
+         }
+         case kMatchMismatch: {
+-          goto s_n_llhttp__internal__n_error_47;
++          goto s_n_llhttp__internal__n_error_50;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -11793,7 +12012,7 @@
+           goto s_n_llhttp__internal__n_req_or_res_method_3;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_47;
++          goto s_n_llhttp__internal__n_error_50;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -11810,7 +12029,7 @@
+           goto s_n_llhttp__internal__n_req_or_res_method_1;
+         }
+         default: {
+-          goto s_n_llhttp__internal__n_error_47;
++          goto s_n_llhttp__internal__n_error_50;
+         }
+       }
+       /* UNREACHABLE */;
+@@ -11870,7 +12089,7 @@
+       /* UNREACHABLE */
+       abort();
+   }
+-  s_n_llhttp__internal__n_error_36: {
++  s_n_llhttp__internal__n_error_39: {
+     state->error = 0x7;
+     state->reason = "Invalid characters in url";
+     state->error_pos = (const char*) p;
+@@ -12314,7 +12533,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_16: {
++  s_n_llhttp__internal__n_error_17: {
+     state->error = 0xb;
+     state->reason = "Empty Content-Length";
+     state->error_pos = (const char*) p;
+@@ -12399,14 +12618,51 @@
+   s_n_llhttp__internal__n_invoke_load_header_state: {
+     switch (llhttp__internal__c_load_header_state(state, p, endp)) {
+       case 2:
+-        goto s_n_llhttp__internal__n_error_16;
++        goto s_n_llhttp__internal__n_error_17;
+       default:
+         goto s_n_llhttp__internal__n_invoke_load_header_state_1;
+     }
+     /* UNREACHABLE */;
+     abort();
+   }
++  s_n_llhttp__internal__n_error_16: {
++    state->error = 0xa;
++    state->reason = "Invalid header value char";
++    state->error_pos = (const char*) p;
++    state->_current = (void*) (intptr_t) s_error;
++    return s_error;
++    /* UNREACHABLE */;
++    abort();
++  }
++  s_n_llhttp__internal__n_invoke_test_flags_5: {
++    switch (llhttp__internal__c_test_flags_2(state, p, endp)) {
++      case 1:
++        goto s_n_llhttp__internal__n_header_value_discard_lws;
++      default:
++        goto s_n_llhttp__internal__n_error_16;
++    }
++    /* UNREACHABLE */;
++    abort();
++  }
+   s_n_llhttp__internal__n_invoke_update_header_state_1: {
++    switch (llhttp__internal__c_update_header_state_1(state, p, endp)) {
++      default:
++        goto s_n_llhttp__internal__n_span_start_llhttp__on_header_value_1;
++    }
++    /* UNREACHABLE */;
++    abort();
++  }
++  s_n_llhttp__internal__n_invoke_load_header_state_3: {
++    switch (llhttp__internal__c_load_header_state(state, p, endp)) {
++      case 8:
++        goto s_n_llhttp__internal__n_invoke_update_header_state_1;
++      default:
++        goto s_n_llhttp__internal__n_span_start_llhttp__on_header_value_1;
++    }
++    /* UNREACHABLE */;
++    abort();
++  }
++  s_n_llhttp__internal__n_invoke_update_header_state_2: {
+     switch (llhttp__internal__c_update_header_state(state, p, endp)) {
+       default:
+         goto s_n_llhttp__internal__n_header_field_start;
+@@ -12417,7 +12673,7 @@
+   s_n_llhttp__internal__n_invoke_or_flags_7: {
+     switch (llhttp__internal__c_or_flags_3(state, p, endp)) {
+       default:
+-        goto s_n_llhttp__internal__n_invoke_update_header_state_1;
++        goto s_n_llhttp__internal__n_invoke_update_header_state_2;
+     }
+     /* UNREACHABLE */;
+     abort();
+@@ -12425,7 +12681,7 @@
+   s_n_llhttp__internal__n_invoke_or_flags_8: {
+     switch (llhttp__internal__c_or_flags_4(state, p, endp)) {
+       default:
+-        goto s_n_llhttp__internal__n_invoke_update_header_state_1;
++        goto s_n_llhttp__internal__n_invoke_update_header_state_2;
+     }
+     /* UNREACHABLE */;
+     abort();
+@@ -12433,7 +12689,7 @@
+   s_n_llhttp__internal__n_invoke_or_flags_9: {
+     switch (llhttp__internal__c_or_flags_5(state, p, endp)) {
+       default:
+-        goto s_n_llhttp__internal__n_invoke_update_header_state_1;
++        goto s_n_llhttp__internal__n_invoke_update_header_state_2;
+     }
+     /* UNREACHABLE */;
+     abort();
+@@ -12446,7 +12702,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_load_header_state_3: {
++  s_n_llhttp__internal__n_invoke_load_header_state_4: {
+     switch (llhttp__internal__c_load_header_state(state, p, endp)) {
+       case 5:
+         goto s_n_llhttp__internal__n_invoke_or_flags_7;
+@@ -12462,7 +12718,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_17: {
++  s_n_llhttp__internal__n_error_18: {
+     state->error = 0x3;
+     state->reason = "Missing expected LF after header value";
+     state->error_pos = (const char*) p;
+@@ -12480,6 +12736,24 @@
+     err = llhttp__on_header_value(state, start, p);
+     if (err != 0) {
+       state->error = err;
++      state->error_pos = (const char*) (p + 1);
++      state->_current = (void*) (intptr_t) s_n_llhttp__internal__n_header_value_almost_done;
++      return s_error;
++    }
++    p++;
++    goto s_n_llhttp__internal__n_header_value_almost_done;
++    /* UNREACHABLE */;
++    abort();
++  }
++  s_n_llhttp__internal__n_span_end_llhttp__on_header_value_3: {
++    const unsigned char* start;
++    int err;
++    
++    start = state->_span_pos0;
++    state->_span_pos0 = NULL;
++    err = llhttp__on_header_value(state, start, p);
++    if (err != 0) {
++      state->error = err;
+       state->error_pos = (const char*) p;
+       state->_current = (void*) (intptr_t) s_n_llhttp__internal__n_header_value_almost_done;
+       return s_error;
+@@ -12488,7 +12762,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_span_end_llhttp__on_header_value_2: {
++  s_n_llhttp__internal__n_span_end_llhttp__on_header_value_4: {
+     const unsigned char* start;
+     int err;
+     
+@@ -12506,7 +12780,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_span_end_llhttp__on_header_value_3: {
++  s_n_llhttp__internal__n_span_end_llhttp__on_header_value_2: {
+     const unsigned char* start;
+     int err;
+     
+@@ -12515,35 +12789,25 @@
+     err = llhttp__on_header_value(state, start, p);
+     if (err != 0) {
+       state->error = err;
+-      state->error_pos = (const char*) (p + 1);
+-      state->_current = (void*) (intptr_t) s_n_llhttp__internal__n_header_value_almost_done;
++      state->error_pos = (const char*) p;
++      state->_current = (void*) (intptr_t) s_n_llhttp__internal__n_error_19;
+       return s_error;
+     }
+-    p++;
+-    goto s_n_llhttp__internal__n_header_value_almost_done;
++    goto s_n_llhttp__internal__n_error_19;
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_18: {
+-    state->error = 0xa;
+-    state->reason = "Invalid header value char";
+-    state->error_pos = (const char*) p;
+-    state->_current = (void*) (intptr_t) s_error;
+-    return s_error;
+-    /* UNREACHABLE */;
+-    abort();
+-  }
+-  s_n_llhttp__internal__n_invoke_test_flags_5: {
++  s_n_llhttp__internal__n_invoke_test_flags_6: {
+     switch (llhttp__internal__c_test_flags_2(state, p, endp)) {
+       case 1:
+         goto s_n_llhttp__internal__n_header_value_lenient;
+       default:
+-        goto s_n_llhttp__internal__n_error_18;
++        goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_2;
+     }
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_update_header_state_3: {
++  s_n_llhttp__internal__n_invoke_update_header_state_4: {
+     switch (llhttp__internal__c_update_header_state(state, p, endp)) {
+       default:
+         goto s_n_llhttp__internal__n_header_value_connection;
+@@ -12554,7 +12818,7 @@
+   s_n_llhttp__internal__n_invoke_or_flags_11: {
+     switch (llhttp__internal__c_or_flags_3(state, p, endp)) {
+       default:
+-        goto s_n_llhttp__internal__n_invoke_update_header_state_3;
++        goto s_n_llhttp__internal__n_invoke_update_header_state_4;
+     }
+     /* UNREACHABLE */;
+     abort();
+@@ -12562,7 +12826,7 @@
+   s_n_llhttp__internal__n_invoke_or_flags_12: {
+     switch (llhttp__internal__c_or_flags_4(state, p, endp)) {
+       default:
+-        goto s_n_llhttp__internal__n_invoke_update_header_state_3;
++        goto s_n_llhttp__internal__n_invoke_update_header_state_4;
+     }
+     /* UNREACHABLE */;
+     abort();
+@@ -12570,7 +12834,7 @@
+   s_n_llhttp__internal__n_invoke_or_flags_13: {
+     switch (llhttp__internal__c_or_flags_5(state, p, endp)) {
+       default:
+-        goto s_n_llhttp__internal__n_invoke_update_header_state_3;
++        goto s_n_llhttp__internal__n_invoke_update_header_state_4;
+     }
+     /* UNREACHABLE */;
+     abort();
+@@ -12583,7 +12847,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_load_header_state_4: {
++  s_n_llhttp__internal__n_invoke_load_header_state_5: {
+     switch (llhttp__internal__c_load_header_state(state, p, endp)) {
+       case 5:
+         goto s_n_llhttp__internal__n_invoke_or_flags_11;
+@@ -12599,39 +12863,39 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_update_header_state_4: {
+-    switch (llhttp__internal__c_update_header_state_4(state, p, endp)) {
++  s_n_llhttp__internal__n_invoke_update_header_state_5: {
++    switch (llhttp__internal__c_update_header_state_1(state, p, endp)) {
+       default:
+         goto s_n_llhttp__internal__n_header_value_connection_token;
+     }
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_update_header_state_2: {
+-    switch (llhttp__internal__c_update_header_state_2(state, p, endp)) {
++  s_n_llhttp__internal__n_invoke_update_header_state_3: {
++    switch (llhttp__internal__c_update_header_state_3(state, p, endp)) {
+       default:
+         goto s_n_llhttp__internal__n_header_value_connection_ws;
+     }
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_update_header_state_5: {
+-    switch (llhttp__internal__c_update_header_state_5(state, p, endp)) {
++  s_n_llhttp__internal__n_invoke_update_header_state_6: {
++    switch (llhttp__internal__c_update_header_state_6(state, p, endp)) {
+       default:
+         goto s_n_llhttp__internal__n_header_value_connection_ws;
+     }
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_update_header_state_6: {
+-    switch (llhttp__internal__c_update_header_state_6(state, p, endp)) {
++  s_n_llhttp__internal__n_invoke_update_header_state_7: {
++    switch (llhttp__internal__c_update_header_state_7(state, p, endp)) {
+       default:
+         goto s_n_llhttp__internal__n_header_value_connection_ws;
+     }
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_span_end_llhttp__on_header_value_4: {
++  s_n_llhttp__internal__n_span_end_llhttp__on_header_value_5: {
+     const unsigned char* start;
+     int err;
+     
+@@ -12641,17 +12905,17 @@
+     if (err != 0) {
+       state->error = err;
+       state->error_pos = (const char*) p;
+-      state->_current = (void*) (intptr_t) s_n_llhttp__internal__n_error_20;
++      state->_current = (void*) (intptr_t) s_n_llhttp__internal__n_error_21;
+       return s_error;
+     }
+-    goto s_n_llhttp__internal__n_error_20;
++    goto s_n_llhttp__internal__n_error_21;
+     /* UNREACHABLE */;
+     abort();
+   }
+   s_n_llhttp__internal__n_invoke_mul_add_content_length_1: {
+     switch (llhttp__internal__c_mul_add_content_length_1(state, p, endp, match)) {
+       case 1:
+-        goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_4;
++        goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_5;
+       default:
+         goto s_n_llhttp__internal__n_header_value_content_length;
+     }
+@@ -12666,7 +12930,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_span_end_llhttp__on_header_value_5: {
++  s_n_llhttp__internal__n_span_end_llhttp__on_header_value_6: {
+     const unsigned char* start;
+     int err;
+     
+@@ -12676,14 +12940,14 @@
+     if (err != 0) {
+       state->error = err;
+       state->error_pos = (const char*) p;
+-      state->_current = (void*) (intptr_t) s_n_llhttp__internal__n_error_21;
++      state->_current = (void*) (intptr_t) s_n_llhttp__internal__n_error_22;
+       return s_error;
+     }
+-    goto s_n_llhttp__internal__n_error_21;
++    goto s_n_llhttp__internal__n_error_22;
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_19: {
++  s_n_llhttp__internal__n_error_20: {
+     state->error = 0x4;
+     state->reason = "Duplicate Content-Length";
+     state->error_pos = (const char*) p;
+@@ -12692,26 +12956,82 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_test_flags_6: {
+-    switch (llhttp__internal__c_test_flags_6(state, p, endp)) {
++  s_n_llhttp__internal__n_invoke_test_flags_7: {
++    switch (llhttp__internal__c_test_flags_7(state, p, endp)) {
+       case 0:
+         goto s_n_llhttp__internal__n_header_value_content_length;
+       default:
+-        goto s_n_llhttp__internal__n_error_19;
++        goto s_n_llhttp__internal__n_error_20;
+     }
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_update_header_state_7: {
+-    switch (llhttp__internal__c_update_header_state_7(state, p, endp)) {
++  s_n_llhttp__internal__n_span_end_llhttp__on_header_value_8: {
++    const unsigned char* start;
++    int err;
++    
++    start = state->_span_pos0;
++    state->_span_pos0 = NULL;
++    err = llhttp__on_header_value(state, start, p);
++    if (err != 0) {
++      state->error = err;
++      state->error_pos = (const char*) (p + 1);
++      state->_current = (void*) (intptr_t) s_n_llhttp__internal__n_error_24;
++      return s_error;
++    }
++    p++;
++    goto s_n_llhttp__internal__n_error_24;
++    /* UNREACHABLE */;
++    abort();
++  }
++  s_n_llhttp__internal__n_invoke_update_header_state_8: {
++    switch (llhttp__internal__c_update_header_state_8(state, p, endp)) {
+       default:
+         goto s_n_llhttp__internal__n_header_value_otherwise;
+     }
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_update_header_state_8: {
+-    switch (llhttp__internal__c_update_header_state_4(state, p, endp)) {
++  s_n_llhttp__internal__n_span_end_llhttp__on_header_value_7: {
++    const unsigned char* start;
++    int err;
++    
++    start = state->_span_pos0;
++    state->_span_pos0 = NULL;
++    err = llhttp__on_header_value(state, start, p);
++    if (err != 0) {
++      state->error = err;
++      state->error_pos = (const char*) (p + 1);
++      state->_current = (void*) (intptr_t) s_n_llhttp__internal__n_error_23;
++      return s_error;
++    }
++    p++;
++    goto s_n_llhttp__internal__n_error_23;
++    /* UNREACHABLE */;
++    abort();
++  }
++  s_n_llhttp__internal__n_invoke_test_flags_9: {
++    switch (llhttp__internal__c_test_flags_2(state, p, endp)) {
++      case 0:
++        goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_7;
++      default:
++        goto s_n_llhttp__internal__n_header_value_te_chunked;
++    }
++    /* UNREACHABLE */;
++    abort();
++  }
++  s_n_llhttp__internal__n_invoke_load_type_1: {
++    switch (llhttp__internal__c_load_type(state, p, endp)) {
++      case 1:
++        goto s_n_llhttp__internal__n_invoke_test_flags_9;
++      default:
++        goto s_n_llhttp__internal__n_header_value_te_chunked;
++    }
++    /* UNREACHABLE */;
++    abort();
++  }
++  s_n_llhttp__internal__n_invoke_update_header_state_9: {
++    switch (llhttp__internal__c_update_header_state_1(state, p, endp)) {
+       default:
+         goto s_n_llhttp__internal__n_header_value;
+     }
+@@ -12726,6 +13046,34 @@
+     /* UNREACHABLE */;
+     abort();
+   }
++  s_n_llhttp__internal__n_invoke_or_flags_17: {
++    switch (llhttp__internal__c_or_flags_16(state, p, endp)) {
++      default:
++        goto s_n_llhttp__internal__n_invoke_and_flags;
++    }
++    /* UNREACHABLE */;
++    abort();
++  }
++  s_n_llhttp__internal__n_invoke_test_flags_10: {
++    switch (llhttp__internal__c_test_flags_2(state, p, endp)) {
++      case 0:
++        goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_8;
++      default:
++        goto s_n_llhttp__internal__n_invoke_or_flags_17;
++    }
++    /* UNREACHABLE */;
++    abort();
++  }
++  s_n_llhttp__internal__n_invoke_load_type_2: {
++    switch (llhttp__internal__c_load_type(state, p, endp)) {
++      case 1:
++        goto s_n_llhttp__internal__n_invoke_test_flags_10;
++      default:
++        goto s_n_llhttp__internal__n_invoke_or_flags_17;
++    }
++    /* UNREACHABLE */;
++    abort();
++  }
+   s_n_llhttp__internal__n_invoke_or_flags_16: {
+     switch (llhttp__internal__c_or_flags_16(state, p, endp)) {
+       default:
+@@ -12734,10 +13082,20 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_or_flags_17: {
+-    switch (llhttp__internal__c_or_flags_17(state, p, endp)) {
++  s_n_llhttp__internal__n_invoke_test_flags_8: {
++    switch (llhttp__internal__c_test_flags_8(state, p, endp)) {
++      case 1:
++        goto s_n_llhttp__internal__n_invoke_load_type_2;
+       default:
+-        goto s_n_llhttp__internal__n_invoke_update_header_state_8;
++        goto s_n_llhttp__internal__n_invoke_or_flags_16;
++    }
++    /* UNREACHABLE */;
++    abort();
++  }
++  s_n_llhttp__internal__n_invoke_or_flags_18: {
++    switch (llhttp__internal__c_or_flags_18(state, p, endp)) {
++      default:
++        goto s_n_llhttp__internal__n_invoke_update_header_state_9;
+     }
+     /* UNREACHABLE */;
+     abort();
+@@ -12747,11 +13105,11 @@
+       case 1:
+         goto s_n_llhttp__internal__n_header_value_connection;
+       case 2:
+-        goto s_n_llhttp__internal__n_invoke_test_flags_6;
++        goto s_n_llhttp__internal__n_invoke_test_flags_7;
+       case 3:
+-        goto s_n_llhttp__internal__n_invoke_or_flags_16;
++        goto s_n_llhttp__internal__n_invoke_test_flags_8;
+       case 4:
+-        goto s_n_llhttp__internal__n_invoke_or_flags_17;
++        goto s_n_llhttp__internal__n_invoke_or_flags_18;
+       default:
+         goto s_n_llhttp__internal__n_header_value;
+     }
+@@ -12794,7 +13152,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_22: {
++  s_n_llhttp__internal__n_error_25: {
+     state->error = 0xa;
+     state->reason = "Invalid header token";
+     state->error_pos = (const char*) p;
+@@ -12803,8 +13161,8 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_update_header_state_9: {
+-    switch (llhttp__internal__c_update_header_state_4(state, p, endp)) {
++  s_n_llhttp__internal__n_invoke_update_header_state_10: {
++    switch (llhttp__internal__c_update_header_state_1(state, p, endp)) {
+       default:
+         goto s_n_llhttp__internal__n_header_field_general;
+     }
+@@ -12819,8 +13177,8 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_invoke_update_header_state_10: {
+-    switch (llhttp__internal__c_update_header_state_4(state, p, endp)) {
++  s_n_llhttp__internal__n_invoke_update_header_state_11: {
++    switch (llhttp__internal__c_update_header_state_1(state, p, endp)) {
+       default:
+         goto s_n_llhttp__internal__n_header_field_general;
+     }
+@@ -12860,7 +13218,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_23: {
++  s_n_llhttp__internal__n_error_26: {
+     state->error = 0x7;
+     state->reason = "Expected CRLF";
+     state->error_pos = (const char*) p;
+@@ -12886,7 +13244,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_24: {
++  s_n_llhttp__internal__n_error_27: {
+     state->error = 0x9;
+     state->reason = "Expected CRLF after version";
+     state->error_pos = (const char*) p;
+@@ -12903,7 +13261,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_25: {
++  s_n_llhttp__internal__n_error_28: {
+     state->error = 0x9;
+     state->reason = "Invalid minor version";
+     state->error_pos = (const char*) p;
+@@ -12912,7 +13270,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_26: {
++  s_n_llhttp__internal__n_error_29: {
+     state->error = 0x9;
+     state->reason = "Expected dot";
+     state->error_pos = (const char*) p;
+@@ -12929,7 +13287,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_27: {
++  s_n_llhttp__internal__n_error_30: {
+     state->error = 0x9;
+     state->reason = "Invalid major version";
+     state->error_pos = (const char*) p;
+@@ -12938,7 +13296,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_29: {
++  s_n_llhttp__internal__n_error_32: {
+     state->error = 0x8;
+     state->reason = "Expected HTTP/";
+     state->error_pos = (const char*) p;
+@@ -12947,7 +13305,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_28: {
++  s_n_llhttp__internal__n_error_31: {
+     state->error = 0x8;
+     state->reason = "Expected SOURCE method for ICE/x.x request";
+     state->error_pos = (const char*) p;
+@@ -12959,7 +13317,7 @@
+   s_n_llhttp__internal__n_invoke_is_equal_method_1: {
+     switch (llhttp__internal__c_is_equal_method_1(state, p, endp)) {
+       case 0:
+-        goto s_n_llhttp__internal__n_error_28;
++        goto s_n_llhttp__internal__n_error_31;
+       default:
+         goto s_n_llhttp__internal__n_req_http_major;
+     }
+@@ -13034,7 +13392,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_30: {
++  s_n_llhttp__internal__n_error_33: {
+     state->error = 0x7;
+     state->reason = "Invalid char in url fragment start";
+     state->error_pos = (const char*) p;
+@@ -13094,7 +13452,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_31: {
++  s_n_llhttp__internal__n_error_34: {
+     state->error = 0x7;
+     state->reason = "Invalid char in url query";
+     state->error_pos = (const char*) p;
+@@ -13103,7 +13461,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_32: {
++  s_n_llhttp__internal__n_error_35: {
+     state->error = 0x7;
+     state->reason = "Invalid char in url path";
+     state->error_pos = (const char*) p;
+@@ -13214,7 +13572,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_33: {
++  s_n_llhttp__internal__n_error_36: {
+     state->error = 0x7;
+     state->reason = "Double @ in url";
+     state->error_pos = (const char*) p;
+@@ -13223,7 +13581,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_34: {
++  s_n_llhttp__internal__n_error_37: {
+     state->error = 0x7;
+     state->reason = "Unexpected char in url server";
+     state->error_pos = (const char*) p;
+@@ -13232,7 +13590,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_35: {
++  s_n_llhttp__internal__n_error_38: {
+     state->error = 0x7;
+     state->reason = "Unexpected char in url server";
+     state->error_pos = (const char*) p;
+@@ -13241,7 +13599,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_37: {
++  s_n_llhttp__internal__n_error_40: {
+     state->error = 0x7;
+     state->reason = "Unexpected char in url schema";
+     state->error_pos = (const char*) p;
+@@ -13250,7 +13608,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_38: {
++  s_n_llhttp__internal__n_error_41: {
+     state->error = 0x7;
+     state->reason = "Unexpected char in url schema";
+     state->error_pos = (const char*) p;
+@@ -13259,7 +13617,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_39: {
++  s_n_llhttp__internal__n_error_42: {
+     state->error = 0x7;
+     state->reason = "Unexpected start char in url";
+     state->error_pos = (const char*) p;
+@@ -13278,7 +13636,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_40: {
++  s_n_llhttp__internal__n_error_43: {
+     state->error = 0x6;
+     state->reason = "Expected space after method";
+     state->error_pos = (const char*) p;
+@@ -13295,7 +13653,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_48: {
++  s_n_llhttp__internal__n_error_51: {
+     state->error = 0x6;
+     state->reason = "Invalid method encountered";
+     state->error_pos = (const char*) p;
+@@ -13304,7 +13662,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_41: {
++  s_n_llhttp__internal__n_error_44: {
+     state->error = 0xd;
+     state->reason = "Response overflow";
+     state->error_pos = (const char*) p;
+@@ -13316,7 +13674,7 @@
+   s_n_llhttp__internal__n_invoke_mul_add_status_code: {
+     switch (llhttp__internal__c_mul_add_status_code(state, p, endp, match)) {
+       case 1:
+-        goto s_n_llhttp__internal__n_error_41;
++        goto s_n_llhttp__internal__n_error_44;
+       default:
+         goto s_n_llhttp__internal__n_res_status_code;
+     }
+@@ -13359,7 +13717,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_42: {
++  s_n_llhttp__internal__n_error_45: {
+     state->error = 0xd;
+     state->reason = "Invalid response status";
+     state->error_pos = (const char*) p;
+@@ -13376,7 +13734,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_43: {
++  s_n_llhttp__internal__n_error_46: {
+     state->error = 0x9;
+     state->reason = "Expected space after version";
+     state->error_pos = (const char*) p;
+@@ -13393,7 +13751,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_44: {
++  s_n_llhttp__internal__n_error_47: {
+     state->error = 0x9;
+     state->reason = "Invalid minor version";
+     state->error_pos = (const char*) p;
+@@ -13402,7 +13760,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_45: {
++  s_n_llhttp__internal__n_error_48: {
+     state->error = 0x9;
+     state->reason = "Expected dot";
+     state->error_pos = (const char*) p;
+@@ -13419,7 +13777,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_46: {
++  s_n_llhttp__internal__n_error_49: {
+     state->error = 0x9;
+     state->reason = "Invalid major version";
+     state->error_pos = (const char*) p;
+@@ -13428,7 +13786,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_49: {
++  s_n_llhttp__internal__n_error_52: {
+     state->error = 0x8;
+     state->reason = "Expected HTTP/";
+     state->error_pos = (const char*) p;
+@@ -13453,7 +13811,7 @@
+     /* UNREACHABLE */;
+     abort();
+   }
+-  s_n_llhttp__internal__n_error_47: {
++  s_n_llhttp__internal__n_error_50: {
+     state->error = 0x8;
+     state->reason = "Invalid word encountered";
+     state->error_pos = (const char*) p;
+--- nodejs-12.22.12~dfsg/test/parallel/test-http-invalid-te.js
++++ nodejs-12.22.12~dfsg/test/parallel/test-http-invalid-te.js
+@@ -13,7 +13,7 @@ Content-Type: text/plain; charset=utf-8
+ Host: hacker.exploit.com
+ Connection: keep-alive
+ Content-Length: 10
+-Transfer-Encoding: chunked, eee
++Transfer-Encoding: eee, chunked
+ 
+ HELLOWORLDPOST / HTTP/1.1
+ Content-Type: text/plain; charset=utf-8
+--- nodejs-12.22.12~dfsg/test/parallel/test-http-missing-header-separator-cr.js
++++ nodejs-12.22.12~dfsg/test/parallel/test-http-missing-header-separator-cr.js
+@@ -0,0 +1,83 @@
++'use strict';
++
++const common = require('../common');
++const assert = require('assert');
++
++const http = require('http');
++const net = require('net');
++
++function serverHandler(server, msg) {
++  const client = net.connect(server.address().port, 'localhost');
++
++  let response = '';
++
++  client.on('data', common.mustCall((chunk) => {
++    response += chunk.toString('utf-8');
++  }));
++
++  client.setEncoding('utf8');
++  client.on('error', common.mustNotCall());
++  client.on('end', common.mustCall(() => {
++    assert.strictEqual(
++      response,
++      'HTTP/1.1 400 Bad Request\r\nConnection: close\r\n\r\n'
++    );
++    server.close();
++  }));
++  client.write(msg);
++  client.resume();
++}
++
++{
++  const msg = [
++    'GET / HTTP/1.1',
++    'Host: localhost',
++    'Dummy: x\nContent-Length: 23',
++    '',
++    'GET / HTTP/1.1',
++    'Dummy: GET /admin HTTP/1.1',
++    'Host: localhost',
++    '',
++    '',
++  ].join('\r\n');
++
++  const server = http.createServer(common.mustNotCall());
++
++  server.listen(0, common.mustCall(serverHandler.bind(null, server, msg)));
++}
++
++{
++  const msg = [
++    'POST / HTTP/1.1',
++    'Host: localhost',
++    'x:x\nTransfer-Encoding: chunked',
++    '',
++    '1',
++    'A',
++    '0',
++    '',
++    '',
++  ].join('\r\n');
++
++  const server = http.createServer(common.mustNotCall());
++
++  server.listen(0, common.mustCall(serverHandler.bind(null, server, msg)));
++}
++
++{
++  const msg = [
++    'POST / HTTP/1.1',
++    'Host: localhost',
++    'x:\nTransfer-Encoding: chunked',
++    '',
++    '1',
++    'A',
++    '0',
++    '',
++    '',
++  ].join('\r\n');
++
++  const server = http.createServer(common.mustNotCall());
++
++  server.listen(0, common.mustCall(serverHandler.bind(null, server, msg)));
++}
+--- /dev/null
++++ nodejs-12.22.12~dfsg/test/parallel/test-http-transfer-encoding-repeated-chunked.js
+@@ -0,0 +1,51 @@
++'use strict';
++
++const common = require('../common');
++const assert = require('assert');
++
++const http = require('http');
++const net = require('net');
++
++const msg = [
++  'POST / HTTP/1.1',
++  'Host: 127.0.0.1',
++  'Transfer-Encoding: chunkedchunked',
++  '',
++  '1',
++  'A',
++  '0',
++  '',
++].join('\r\n');
++
++const server = http.createServer(common.mustCall((req, res) => {
++  // Verify that no data is received
++
++  req.on('data', common.mustNotCall());
++
++  req.on('end', common.mustNotCall(() => {
++    res.writeHead(200, { 'Content-Type': 'text/plain' });
++    res.end();
++  }));
++}, 1));
++
++server.listen(0, common.mustCall(() => {
++  const client = net.connect(server.address().port, 'localhost');
++
++  let response = '';
++
++  client.on('data', common.mustCall((chunk) => {
++    response += chunk.toString('utf-8');
++  }));
++
++  client.setEncoding('utf8');
++  client.on('error', common.mustNotCall());
++  client.on('end', common.mustCall(() => {
++    assert.strictEqual(
++      response,
++      'HTTP/1.1 400 Bad Request\r\nConnection: close\r\n\r\n'
++    );
++    server.close();
++  }));
++  client.write(msg);
++  client.resume();
++}));
+--- nodejs-12.22.12~dfsg/test/parallel/test-http-transfer-encoding-smuggling.js
++++ nodejs-12.22.12~dfsg/test/parallel/test-http-transfer-encoding-smuggling.js
+@@ -1,46 +1,89 @@
+ 'use strict';
+ 
+ const common = require('../common');
+-
+ const assert = require('assert');
++
+ const http = require('http');
+ const net = require('net');
+ 
+-const msg = [
+-  'POST / HTTP/1.1',
+-  'Host: 127.0.0.1',
+-  'Transfer-Encoding: chunked',
+-  'Transfer-Encoding: chunked-false',
+-  'Connection: upgrade',
+-  '',
+-  '1',
+-  'A',
+-  '0',
+-  '',
+-  'GET /flag HTTP/1.1',
+-  'Host: 127.0.0.1',
+-  '',
+-  '',
+-].join('\r\n');
+-
+-// Verify that the server is called only once even with a smuggled request.
+-
+-const server = http.createServer(common.mustCall((req, res) => {
+-  res.end();
+-}, 1));
+-
+-function send(next) {
+-  const client = net.connect(server.address().port, 'localhost');
+-  client.setEncoding('utf8');
+-  client.on('error', common.mustNotCall());
+-  client.on('end', next);
+-  client.write(msg);
+-  client.resume();
++{
++  const msg = [
++    'POST / HTTP/1.1',
++    'Host: 127.0.0.1',
++    'Transfer-Encoding: chunked',
++    'Transfer-Encoding: chunked-false',
++    'Connection: upgrade',
++    '',
++    '1',
++    'A',
++    '0',
++    '',
++    'GET /flag HTTP/1.1',
++    'Host: 127.0.0.1',
++    '',
++    '',
++  ].join('\r\n');
++
++  const server = http.createServer(common.mustNotCall((req, res) => {
++    res.end();
++  }, 1));
++
++  server.listen(0, common.mustCall(() => {
++    const client = net.connect(server.address().port, 'localhost');
++
++    let response = '';
++
++    // Verify that the server listener is never called
++
++    client.on('data', common.mustCall((chunk) => {
++      response += chunk.toString('utf-8');
++    }));
++
++    client.setEncoding('utf8');
++    client.on('error', common.mustNotCall());
++    client.on('end', common.mustCall(() => {
++      assert.strictEqual(
++        response,
++        'HTTP/1.1 400 Bad Request\r\nConnection: close\r\n\r\n'
++      );
++      server.close();
++    }));
++    client.write(msg);
++    client.resume();
++  }));
+ }
+ 
+-server.listen(0, common.mustCall((err) => {
+-  assert.ifError(err);
+-  send(common.mustCall(() => {
+-    server.close();
++{
++  const msg = [
++    'POST / HTTP/1.1',
++    'Host: 127.0.0.1',
++    'Transfer-Encoding: chunked',
++    ' , chunked-false',
++    'Connection: upgrade',
++    '',
++    '1',
++    'A',
++    '0',
++    '',
++    'GET /flag HTTP/1.1',
++    'Host: 127.0.0.1',
++    '',
++    '',
++  ].join('\r\n');
++
++  const server = http.createServer(common.mustCall((request, response) => {
++    assert.notStrictEqual(request.url, '/admin');
++    response.end('hello world');
++  }), 1);
++
++  server.listen(0, common.mustCall(() => {
++    const client = net.connect(server.address().port, 'localhost');
++
++    client.on('end', common.mustCall(function() {
++      server.close();
++    }));
++
++    client.write(msg);
++    client.resume();
+   }));
+-}));
++}
+--- nodejs-12.22.12~dfsg/test/parallel/test-http-header-overflow.js
++++ nodejs-12.22.12~dfsg/test/parallel/test-http-header-overflow.js
+@@ -1,3 +1,5 @@
++// Flags: --expose-internals
++
+ 'use strict';
+ const { expectsError, mustCall } = require('../common');
+ const assert = require('assert');
+@@ -8,7 +10,7 @@ const CRLF = '\r\n';
+ const DUMMY_HEADER_NAME = 'Cookie: ';
+ const DUMMY_HEADER_VALUE = 'a'.repeat(
+   // Plus one is to make it 1 byte too big
+-  maxHeaderSize - DUMMY_HEADER_NAME.length - (2 * CRLF.length) + 1
++  maxHeaderSize - DUMMY_HEADER_NAME.length + 2
+ );
+ const PAYLOAD_GET = 'GET /blah HTTP/1.1';
+ const PAYLOAD = PAYLOAD_GET + CRLF +
+@@ -21,7 +23,7 @@ server.on('connection', mustCall((socket
+     name: 'Error',
+     message: 'Parse Error: Header overflow',
+     code: 'HPE_HEADER_OVERFLOW',
+-    bytesParsed: maxHeaderSize + PAYLOAD_GET.length,
++    bytesParsed: maxHeaderSize + PAYLOAD_GET.length + (CRLF.length * 2) + 1,
+     rawPacket: Buffer.from(PAYLOAD)
+   }));
+ }));
diff -Nru nodejs-12.22.5~dfsg/debian/patches/series nodejs-12.22.12~dfsg/debian/patches/series
--- nodejs-12.22.5~dfsg/debian/patches/series	2021-08-11 19:01:17.000000000 +0000
+++ nodejs-12.22.12~dfsg/debian/patches/series	2023-01-07 11:27:22.000000000 +0000
@@ -1,3 +1,4 @@
+test_dns_lookupService_promises.patch
 ares_compat.patch
 shared_uv_from_uvwasi.patch
 large_pages_assembly_gnu_stack.patch
@@ -19,3 +20,7 @@
 python3.patch
 cjs-module-lexer.patch
 upstream-fix-test-worker-prof.patch
+cve-2022-32212.patch
+cve-2022-35255.patch
+cve-2022-43548.patch
+cve-llhttp.patch
diff -Nru nodejs-12.22.5~dfsg/debian/patches/test_ci_buildd.patch nodejs-12.22.12~dfsg/debian/patches/test_ci_buildd.patch
--- nodejs-12.22.5~dfsg/debian/patches/test_ci_buildd.patch	2021-02-23 18:22:31.000000000 +0000
+++ nodejs-12.22.12~dfsg/debian/patches/test_ci_buildd.patch	2022-06-24 18:47:44.000000000 +0000
@@ -149,7 +149,7 @@
      return self.timeout * TIMEOUT_SCALEFACTOR[ARCH_GUESS or 'ia32'][mode]
 --- a/test/common/index.js
 +++ b/test/common/index.js
-@@ -230,27 +230,7 @@
+@@ -235,27 +235,7 @@
  
  
  function platformTimeout(ms) {
diff -Nru nodejs-12.22.5~dfsg/debian/patches/test_dns_lookupService_promises.patch nodejs-12.22.12~dfsg/debian/patches/test_dns_lookupService_promises.patch
--- nodejs-12.22.5~dfsg/debian/patches/test_dns_lookupService_promises.patch	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/debian/patches/test_dns_lookupService_promises.patch	2022-06-26 17:41:23.000000000 +0000
@@ -0,0 +1,15 @@
+Description: this test assumes /etc/services, work around it
+Author: Jérémy Lal <kapouer@melix.org>
+Forwarded: https://github.com/nodejs/node/issues/42164
+Last-Update: 2022-06-26
+--- a/test/parallel/test-dns-lookupService-promises.js
++++ b/test/parallel/test-dns-lookupService-promises.js
+@@ -6,7 +6,7 @@
+ const dnsPromises = require('dns').promises;
+ 
+ dnsPromises.lookupService('127.0.0.1', 22).then(common.mustCall((result) => {
+-  assert.strictEqual(result.service, 'ssh');
++  assert(['ssh', '22'].includes(result.service));
+   assert.strictEqual(typeof result.hostname, 'string');
+   assert.notStrictEqual(result.hostname.length, 0);
+ }));
diff -Nru nodejs-12.22.5~dfsg/deps/cares/CHANGES nodejs-12.22.12~dfsg/deps/cares/CHANGES
--- nodejs-12.22.5~dfsg/deps/cares/CHANGES	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/deps/cares/CHANGES	2022-04-05 07:16:59.000000000 +0000
@@ -0,0 +1,5121 @@
+   Changelog for the c-ares project. Generated with git2changes.pl
+
+Version 1.18.1 (26 Oct 2021)
+
+bradh352 (26 Oct 2021)
+- missed version
+
+- 1.18.1 release prep
+
+- ares_getaddrinfo() was returning the wrong size for ai_addrlen
+  
+  ai_addrlen was erroneously returning 16 bytes instead of the
+  sizeof(struct sockaddr_in6).  This is a regression introduced
+  in 1.18.0.
+  
+  Reported by: James Brown <jbrown@easypost.com>
+  Fix By: Brad House (@bradh352)
+
+- Windows: autotools force linking to iphlpapi
+
+GitHub (26 Oct 2021)
+- [Gregor Jasny brought this change]
+
+  Fix typo detected by lintian (#434)
+  
+  typo in docs for ares_parse_uri_reply
+  
+  Fix By: Gregor Jasny (@gjasny)
+
+Version 1.18.0 (25 Oct 2021)
+
+bradh352 (25 Oct 2021)
+- replace Travis badge with Cirrus-CI badge
+
+- c-ares 1.18.0 release prep
+
+GitHub (21 Oct 2021)
+- [Jérôme Duval brought this change]
+
+  Haiku: port (#431)
+  
+  Port for Haiku.  Slight CMake changes, header changes, and resolv.conf/hosts paths specific to Haiku.
+  
+  Port By: Jérôme Duval (@korli)
+
+bradh352 (19 Oct 2021)
+- valgrind: fix reported invalid read
+
+- make sure distcheck runs
+
+- detect oddities and skip test if necessary
+
+- fix null ptr deref in strlen
+
+- bend over backwards for testing file access, something is weird on debian
+
+- chmod(fn, 0) is failing on debian
+
+- maybe process needs to be called
+
+- split test output
+
+- clean up a couple of compiler warnings
+
+- use helper function for addrinfo to simplify code
+
+- INSTANTIATE_TEST_CASE_P -> INSTANTIATE_TEST_SUITE_P as new convention in googletest
+
+- gmock: update from 1.8.0 to 1.11.0
+
+- Cirrus-CI: fix debian arm build
+
+- Cirrus-CI: more updates for proper testing
+
+- install proper packages for asan and analyze
+
+- fix  crash in tests
+
+- try to disable container tests
+
+- need g++ for tests on debian
+
+- try cirrus-ci again
+
+- whitespace
+
+- start bringing up cirrus-ci
+
+- prep for adding new ci
+
+- fix cut and paste error
+
+GitHub (18 Oct 2021)
+- [Brad House brought this change]
+
+  RFC6761: special case "localhost" (#430)
+  
+  As per RFC6761 Section 6.3, "localhost" lookups need to be special cased to return loopback addresses, and not forward queries to recursive dns servers.
+  
+  We first look up via files (/etc/hosts or equivalent), and if that fails, we then attempt a system-specific address enumeration for loopback addresses (currently Windows-only), and finally fallback to ::1 and 127.0.0.1.
+  
+  Fix By: Brad House (@bradh352)
+  Fixes Bug: #399
+
+- [Brad House brought this change]
+
+  Reimplement ares_gethostbyname() by wrapping ares_getaddrinfo() (#428)
+  
+  ares_gethostbyname() and ares_getaddrinfo() do a lot of similar things, however ares_getaddrinfo() has some desirable behaviors that should be imported into ares_gethostbyname(). For one, it sorts the address lists for the most likely to succeed based on the current system routes. Next, when AF_UNSPEC is specified, it properly handles search lists instead of first searching all of AF_INET6 then AF_INET, since ares_gethostbyname() searches in parallel. Therefore, this PR should also resolve the issues attempted in #94.
+  
+  A few things this PR does:
+  
+  1. ares_parse_a_reply() and ares_parse_aaaa_reply() had very similar code to translate struct ares_addrinfo into a struct hostent as well as into struct ares_addrttl/ares_addr6ttl this has been split out into helper functions of ares__addrinfo2hostent() and ares__addrinfo2addrttl() to prevent this duplicative code.
+  
+  2. ares_getaddrinfo() was apparently never honoring HOSTALIASES, and this was discovered once ares_gethostbyname() was turned into a wrapper, the affected test cases started failing.
+  
+  3. A slight API modification to save the query hostname into struct ares_addrinfo as the last element of name. Since this is the last element, and all user-level instances of struct ares_addrinfo are allocated internally by c-ares, this is not an ABI-breaking change nor would it impact any API compatibility. This was needed since struct hostent has an h_name element.
+  
+  4. Test Framework: MockServer tests via TCP would fail if more than 1 request was received at a time which is common when ares_getaddrinfo() queries for both A and AAAA records simultaneously. Infact, this was a long standing issue in which the ares_getaddrinfo() test were bypassing TCP alltogether. This has been corrected, the message is now processed in a loop.
+  
+  5. Some tests had to be updated for overall correctness as they were invalid but somehow passing prior to this change.
+  
+  Change By: Brad House (@bradh352)
+
+bradh352 (9 Oct 2021)
+- ares_getaddrinfo() missing sanity check to fix #426
+
+- ares_getaddrinfo(): continue to next domain in search if query returns ARES_ENODATA
+  
+  Some DNS servers may behave badly and return a valid response with no data, in this
+  case, continue on to the next search domain, but cache the result.
+  
+  Fixes Bug: #426
+  Fix By: Brad House (@bradh352)
+
+- Allow '/' as a valid character for a returned name
+  
+  As of c-ares 1.17.2, a CNAME an in-addr.arpa delegation broke due
+  to not allowing '/'.  This needs to be allowed to not break valid
+  functionality.
+  
+  Fixes Bug: #427
+  Reported By: Adrian (@leftshift)
+  Fix By: Brad House (@bradh352)
+
+Daniel Stenberg (5 Oct 2021)
+- libcares.pc.in: update the URL
+
+bradh352 (8 Sep 2021)
+- ares_expand_name should allow underscores (_) as SRV records legitimately use them
+  
+  c-ares 1.17.2 introduced response validation to prevent a security issue, however
+  it did not have (_) listed as a valid character for domain name responses which
+  caused issues when a CNAME referenced a SRV record which contained underscores.
+  
+  While RFC2181 section 11 does explicitly state not to do validation, that applies
+  to servers not clients.
+  
+  Fixes: #424
+  Fix By: Brad House (@bradh352)
+
+Daniel Stenberg (7 Sep 2021)
+- domain: update to use c-ares.org
+  
+  Closes #423
+
+- mailing list: moved to lists.haxx.se
+
+GitHub (3 Sep 2021)
+- [Biswapriyo Nath brought this change]
+
+  CMake: Fix build in cygwin (#422)
+  
+  As cygwin environment has both socket.h and winsock2.h headers check WIN32 not to include the later one here
+  
+  Fix By: Biswapriyo Nath (@Biswa96)
+
+bradh352 (23 Aug 2021)
+- make building more verbose
+
+- add appveyor cmake/mingw static-only build
+
+GitHub (17 Aug 2021)
+- [Sinan Kaya brought this change]
+
+  CMake: lower case advapi32 for cross-building with mingw (#420)
+  
+  When cross compiling with yocto's meta-mingw layer, getting a dependency
+  error.
+  
+  This is caused by the fact that advapi32 is lower case in mingw builds.
+  
+  Fix By: Sinan Kaya <sinan.kaya@microsoft.com>
+
+bradh352 (17 Aug 2021)
+- autotools: add ax_check_gnu_make.m4
+
+- autotools: add ax_require_defined.m4
+
+- autotools: dont use newer AC_CHECK_INCLUDES_DEFAULT, don't quote AC_ERROR_MSG
+
+- import more files needed by newer ax_code_coverage.m4
+
+- import more files needed by newer ax_code_coverage.m4
+
+- work around autoreconf -fiv first call returning 'error: too many loops'
+
+- restore zz40-xc-ovr.m4
+
+- autotools: processed configure.ac through autoupdate
+
+- autotools. update ax_code_coverage.m4 to latest. don't use deprecated AC_HELP_STRING
+
+- pull out some old autotools cruft
+
+GitHub (17 Aug 2021)
+- [Felix Yan brought this change]
+
+  Provide ares_nameser.h as a public interface (#417)
+  
+  NodeJS needs ares_nameser.h as a pubic header.
+  
+  Fixes: #415
+  Fix By: Felix Yan (@felixonmars)
+
+- [Felix Yan brought this change]
+
+  Fix building when latest ax_code_coverage.m4 is imported (#418)
+  
+  ax_code_coverage.m4 dropped the @CODE_COVERAGE_RULES@ macro, so we need to switch to the latest recommendation from the m4 file.  This requires updates to Makefile.am.
+  
+  Fix By: Felix Yan (@felixonmars)
+
+bradh352 (12 Aug 2021)
+- bump version to match current release
+
+GitHub (12 Aug 2021)
+- [dhrumilrana brought this change]
+
+  z/OS minor update, add missing semicolon in ares_init.c (#414)
+  
+  Build fix for z/OS
+  
+  Fix by: Dhrumil Rana (@dhrumilrana)
+
+- [Daniel Bevenius brought this change]
+
+  add build to .gitignore (#410)
+  
+  This commit adds the build directory to be ignored by git.
+  
+  The motivation for adding this to .gitignore as opposed to
+  .git/info/exclude is that the CMake example in INSTALL.md uses build
+  as the name of the directory to be used by CMake. This will cause
+  git to report build as an untracked file.
+  
+  Fix By: Daniel Bevenius (@danbev)
+
+- [Martin Holeš brought this change]
+
+  Add support for URI(Uniform Resource Identifier) records. (#411)
+  
+  Add ares_parse_uri_reply() for parsing URI DNS replies.
+  
+  Fix By: Martin Holeš (@martin-256)
+
+Daniel Stenberg (10 Aug 2021)
+- ares_getaddrinfo.3: available since 1.16.0
+
+- README.md: use https:// links
+
+Version 1.17.2 (24 Jul 2021)
+
+bradh352 (24 Jul 2021)
+- fix typo
+
+- prep for 1.17.2 release
+
+GitHub (30 Jun 2021)
+- [jeanpierrecartal brought this change]
+
+  Replace strdup() with ares_strdup() (#408)
+  
+  strdup() is used in src/lib/ares_parse_a_reply.c and src/lib/ares_parse_aaaa_reply.c whereas allocated memory is freed using ares_free().
+  
+  Bug: 407
+  Fix By: Jean-pierre Cartal (@jeanpierrecartal)
+
+- [Brad House brought this change]
+
+  Validate hostnames in DNS responses and discard from malicious servers (#406)
+  
+  To prevent possible users having XSS issues due to intentionally malformed DNS replies, validate hostnames returned in responses and return EBADRESP if they are not valid.
+  
+  It is not clear what legitimate issues this may cause at this point.
+  
+  Bug Reported By: philipp.jeitner@sit.fraunhofer.de
+  Fix By: Brad House (@bradh352)
+
+bradh352 (11 Jun 2021)
+- ares_expand_name(): fix formatting and handling of root name response
+  
+  Fixes issue introduced in prior commit with formatting and handling
+  of parsing a root name response which should not be escaped.
+  
+  Fix By: Brad House
+
+- ares_expand_name() should escape more characters
+  
+  RFC1035 5.1 specifies some reserved characters and escaping sequences
+  that are allowed to be specified.  Expand the list of reserved characters
+  and also escape non-printable characters using the \DDD format as
+  specified in the RFC.
+  
+  Bug Reported By: philipp.jeitner@sit.fraunhofer.de
+  Fix By: Brad House (@bradh352)
+
+GitHub (15 Apr 2021)
+- [HALX99 brought this change]
+
+  Fix can't get dns server on macos and ios (#401)
+  
+  If DNS configuration didn't include search domains on MacOS (or iOS) it would throw an error instead of ignoring.
+  
+  Fix By: @halx99
+
+- [catalinh-bd brought this change]
+
+  Bugfix/crash in ares  sortaddrinfo (#400)
+  
+  The bug was generated because there was no check for the number
+  of items in the list and invalid memory was accesed when the list
+  was empty. There is a check for null after calling malloc but on
+  some systems it always returns a valid address for size equals 0.
+  Relates To: #392, 0903dcecabca283d0fa771632892dc7592b7a66d
+  
+  Fix By: @catalinh-bd
+
+bradh352 (2 Mar 2021)
+- Null deref if ares_getaddrinfo() is terminated with ares_destroy()
+  
+  ares_freeaddrinfo() was not checking for a Null ptr during cleanup of
+  an aborted query.
+  
+  Once that was resolved it uncovered another possible issue with
+  multiple simultaneous underlying queries being outstanding and
+  possibly prematurely cleaning up the handle.
+  
+  Reported By: Michael Kourlas
+  Fix By: Brad House (@bradh352)
+
+GitHub (18 Feb 2021)
+- [Brad House brought this change]
+
+  CMake: RANDOM_FILE not defined #397
+  
+  RANDOM_FILE was never defined by cmake, causing RC4 key generation to use the less secure rand() method.
+  
+  Also, due to clashes with chain-building from other projects (e.g. curl) that may define RANDOM_FILE, this was renamed to CARES_RANDOM_FILE.
+  
+  This is the proposed change for #396
+  
+  Fix By: Brad House (@bradh352)
+
+- [Anton Danielsson brought this change]
+
+  CMake: fix Make install for iOS/MacOS (#395)
+  
+  INSTALL TARGETS were missing the BUNDLE DESTINATION
+  
+  Fix By: Anton Danielsson (@anton-danielsson)
+
+- [František Dvořák brought this change]
+
+  Fix build with autotools out of source tree (#394)
+  
+  Add missing include directory, which fixes the build with autotools in separated build directory.
+  
+  Fix By: František Dvořák (@valtri)
+
+bradh352 (15 Jan 2021)
+- fuzzing: HAVE_CONFIG_H may not be defined so cannot include ares_setup.h.  Its not needed even though we include ares_nameser.h
+
+- remove redundant header checks
+
+- properly detect netinet/tcp.h on openbsd
+
+- more portability updates
+
+- renamed nameser.h to ares_nameser.h requires Makefile.inc update for distributed files
+
+- more portability updates
+
+- remove bad files
+
+- portability updates for test cases
+
+- Portability Updates for arpa/nameser.h (#388)
+  
+  There is too much inconsistency between platforms for arpa/nameser.h and arpa/nameser_compat.h for the way the current files are structured.  Still load the respective system files but make our private nameser.h more forgiving.
+  
+  Fixes: #388
+  Fix By: Brad House (@bradh352)
+
+- ares_parse_ptr_reply() handle NULL for addr/addr_len. Fixes #392
+  
+  NodeJS passes NULL for addr and 0 for addrlen parameters to ares_parse_ptr_reply().  On systems where malloc(0) returned NULL, this would cause the function to return ARES_ENOMEM, but the cleanup wasn't handled properly and would crash.
+  
+  This patche fixes that bug, and also hardens ares_free_hostent() to not leak memory during cleanup.
+  
+  Fixes: #392
+  Fix By: Brad House (@bradh352)
+
+- Define behavior of malloc(0)
+  
+  Some systems may return either NULL or a valid pointer on malloc(0).  c-ares should never call malloc(0) so lets return NULL so we're more likely to find an issue if it were to occur.
+
+GitHub (24 Dec 2020)
+- [dhrumilrana brought this change]
+
+  z/OS: port (#390)
+  
+  Port c-ares to z/OS.
+  
+  Fix By: Dhrumil Rana (@dhrumilrana)
+
+- [vburdo brought this change]
+
+  Use unbuffered stdio for /dev/urandom to read only requested data (#391)
+  
+  Buffered fread() reads 4096 bytes which is completely unnecessary and potentially may cause problems.
+  I discovered this on private linux configuration where custom /dev/urandom implementation has poor performance.
+  
+  Fix By: @vburdo
+
+- [Jay Freeman (saurik) brought this change]
+
+  This relative header #include needs to use quotes. (#386)
+  
+  Fix By: Jay Freeman (@saurik)
+
+bradh352 (23 Nov 2020)
+- Win32: Fix tools build with autotools static library
+  When c-ares is being built as static on Win32, CARES_STATICLIB must
+  be defined, but it wasn't being pulled in for the tools.
+  
+  Fixes: #384
+  Fix By: Brad House (@bradh352)
+
+- Loosen requirements for static c-ares library when building tests
+  
+  It appears that when building tests, it would hardcode enabling building
+  of the c-ares static library.  This was probably due to Windows limitations
+  in symbol visibility.
+  
+  This change will use the static library if it exists for tests, always.
+  Otherwise, it will only forcibly enable static libraries for tests on
+  Windows.
+  
+  Fixes: #380
+  Fix By: Brad House (@bradh352)
+
+- Remove legacy comment about ahost/acountry/adig targets
+
+- Distribute fuzzinput/fuzznames for fuzz tests
+  
+  The fuzz test files were not being distributed.  This doesn't appear to be
+  a regression, it looks like they have never been distributed.
+  
+  Fixes: #379
+  Fix By: Brad House (@bradh352)
+
+Version 1.17.1 (19 Nov 2020)
+
+GitHub (19 Nov 2020)
+- [Brad House brought this change]
+
+  Travis: add iOS target built with CMake (#378)
+  
+  Issue #377 suggested that CMake builds for iOS with c-ares were broken. This PR adds an automatic Travis build for iOS CMake.
+  
+  Fix By: Brad House (@bradh352)
+
+bradh352 (18 Nov 2020)
+- fix build
+
+GitHub (18 Nov 2020)
+- [Fabrice Fontaine brought this change]
+
+  External projects were using non-public header ares_dns.h, make public again (#376)
+  
+  It appears some outside projects were relying on macros in ares_dns.h, even though it doesn't appear that header was ever meant to be public.  That said, we don't want to break external integrators so we should distribute this header again.
+  
+  Fix By: Fabrice Fontaine (@ffontaine)
+
+bradh352 (17 Nov 2020)
+- note that so versioning has moved to configure.ac
+
+- note about 1.17.1
+
+- fix sed gone wrong
+
+GitHub (17 Nov 2020)
+- [Daniel Stenberg brought this change]
+
+  autotools cleanup (#372)
+  
+  * remove: install-sh mkinstalldirs
+  
+  They're generated when needed, no need to store in it.
+  
+  * buildconf: remove custom logic with autoreconf
+  
+  Fix By: Daniel Stenberg (@bagder)
+
+bradh352 (17 Nov 2020)
+- attempt to fix 1.17.0 release distribution issues
+
+Version 1.17.0 (16 Nov 2020)
+
+bradh352 (16 Nov 2020)
+- 1.17.0 release prep
+
+- ares_getaddrinfo(): duplicate hints ai_socktype and ai_protocol into output
+  
+  ai_socktype and ai_protocol were ignored from the hints input.  They are now
+  duplicated into the output as expected.  Currently no sanity checks on
+  proper values are taking place.
+  
+  Fixes: #317
+  Fix By: Brad House (@bradh352)
+
+- ares_parse_{a,aaaa}_reply could return larger *naddrttls than passed in
+  
+  If there are more ttls returned than the maximum provided by the requestor, then
+  the *naddrttls response would be larger than the actual number of elements in
+  the addrttls array.
+  
+  This bug could lead to invalid memory accesses in applications using c-ares.
+  
+  This behavior appeared to break with PR #257
+  
+  Fixes: #371
+  Reported By: Momtchil Momtchev (@mmomtchev)
+  Fix By: Brad House (@bradh352)
+
+GitHub (5 Nov 2020)
+- [Dustin Lundquist brought this change]
+
+  docs: ares_set_local_ip4() uses host byte order (#368)
+  
+  Properly document brain-dead behavior of ares_set_local_ip4() using host byte order instead of expected network byte order.
+  
+  Fix By: Dustin Lundquist <d.lundquist@tempered.io>
+
+- [Łukasz Marszał brought this change]
+
+  empty hquery->name could lead to invalid memory access (#367)
+  
+  If hquery->name is empty (=="\0"), &hquery->name[strlen(hquery->name)-1] would point to "random" place in memory. This is causing some of my address sanitizer tests to fail.
+  
+  Fix By: Łukasz Marszał (@lmarszal)
+
+bradh352 (28 Sep 2020)
+- Fix OSSFuzz reported issue in CAA reply parsing
+  
+  OSS-Fuzz is reporting a use-of-uninitialized-value:
+  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26012
+  
+  Reported By: David Drysdale (@daviddrysdale)
+
+GitHub (26 Sep 2020)
+- [David Hotham brought this change]
+
+  fuzz CAA parsing (#363)
+  
+  Add fuzz support for CAA parsing
+  
+  Fix By: David Hotham (@dimbleby)
+
+- [Daniela Sonnenschein brought this change]
+
+  Allow parsing of CAA Resource Record (#360)
+  
+  CAA (Certification Authority Authorization) was introduced in RFC 6844.
+  This has been obsoleted by RFC 8659. This commit added the possibility
+  to query CAA resource records with adig and adds a parser for CAA
+  records, that can be used in conjunction with ares_query(3).
+  
+  Closes Bug: #292
+  Fix By: Daniela Sonnenschein (@lxdicted)
+
+Daniel Stenberg (17 Sep 2020)
+- docs: remove the html and pdf make targets
+  
+  They're rarely used in our daily work flow and mostly just add friction,
+  
+  Closes #362
+
+bradh352 (14 Sep 2020)
+- ares_process needs to always include nameser.h as it has compat
+
+- Define T_OPT if system doesn't provide it
+
+GitHub (12 Sep 2020)
+- [Gisle Vanem brought this change]
+
+  Change the mailman links (#358)
+  
+  Links when wrapping become misleading.  Insert newline to prevent wrapping.
+  
+  Fix By: Gisle Vanem (@gvanem)
+
+- [Gisle Vanem brought this change]
+
+  [adig] Update man-page for the '-x' option (#357)
+  
+  Fix By: Gisle Vanem (@gvanem)
+
+- [Gisle Vanem brought this change]
+
+  [adig] add '-x' option. (#356)
+  
+  Added a 'dig-style' '-x' option. Also support '-xx' for a
+  IPv6 bit-string PTR query.
+  
+  Fix By: Gisle Vanem (@gvanem)
+
+bradh352 (12 Sep 2020)
+- fix indentation
+
+- ns_t_opt -> T_OPT
+
+GitHub (12 Sep 2020)
+- [Gisle Vanem brought this change]
+
+  Fixes for Watt-32 on djgpp + Windows (#355)
+  
+  No longer any relation to libcurl since '<libcurl-root>/packages/DOS/common.dj' is dropped.
+  This Makefile.dj has been tested on Win-10 only (using the Windows hosted djgpp cross compiler).
+  
+  Fix By: Gisle Vanem (@gvanem)
+
+- [Gisle Vanem brought this change]
+
+  Fixes for Watt-32 on Windows and MSDOS (#354)
+  
+  Move the prototype to 'ares_private.h'.
+  
+  Fix By: Gisle Vanem (@gvanem)
+
+bradh352 (11 Sep 2020)
+- update path for include
+
+- remove stale information
+
+- remove stale information
+
+Brad House (9 Sep 2020)
+- silence compiler warnings
+
+- Remove stale msvc files from makefile
+
+GitHub (9 Sep 2020)
+- [Brad House brought this change]
+
+  Reorganize source tree (#349)
+  
+  Originally started by Daniel Stenberg (@bagder) with #123, this patch reorganizes the c-ares source tree to have a more modern layout.  It also fixes out of tree builds for autotools, and automatically builds the tests if tests are enabled.  All tests are passing which tests each of the supported build systems (autotools, cmake, nmake, mingw gmake).  There may be some edge cases that will have to be caught later on for things I'm not aware of.
+  
+  Fix By: Brad House (@bradh352)
+
+Brad House (1 Sep 2020)
+- remove CURLDEBUG as per #82
+
+GitHub (1 Sep 2020)
+- [Erik Lax brought this change]
+
+  Detect remote DNS server does not support EDNS as per RFC 6891 (#244)
+  
+  EDNS retry should be based on FORMERR returned without an OPT RR record as per https://tools.ietf.org/html/rfc6891#section-7 rather than just treating any unexpected error condition as a reason to disable EDNS on the channel.
+  
+  Fix By: Erik Lax (@eriklax)
+
+Brad House (27 Aug 2020)
+- Fix for #345, don't use 'true' use 1
+
+GitHub (27 Aug 2020)
+- [Seraphime Kirkovski brought this change]
+
+  ares_gethostbyname: Fix AF_UNSPEC support when using an ip address (#204)
+  
+  fake_hostent() was not supporting AF_UNSPEC, so when an ip address was specified when using AF_UNSPEC it would attempt to do a DNS lookup rather than returning a fake hostent using the ip address.
+  
+  Fix By: Seraphime Kirkovski (@Seraphime)
+
+- [apenn-msft brought this change]
+
+  Tests should use dynamic system-assigned ports rather than static port (#346)
+  
+  The c-ares test suite was hardcoded to use port 5300 (and possibly 5301, 5302) for the test suite.  Especially in containers, there may be no guarantee these ports are available and cause tests to fail when they could otherwise succeed.  Instead, request the system to assign a port to use dynamically.  This is now the default.  To override, the test suite still takes the "-p <port>" option as it always has and will honor that.
+  
+  Fix By: Anthony Penniston (@apenn-msft)
+
+Brad House (25 Aug 2020)
+- Unset members of the addr struct contain garbage values (#343)
+  
+  When generating the ares_sockaddr data by getaddrinfo() it was only filling
+  in certain members while leaving others uninitialized.  This left garbage
+  data if a user tried to use the unset values.  memset() the ares_sockaddr
+  to 0 prior to filling in the values to prevent this.
+  
+  Reported By: @SmorkalovG
+  Fix By: Brad House (@bradh352)
+
+GitHub (24 Aug 2020)
+- [Jonathan Maye-Hobbs brought this change]
+
+  FQDN with trailing period should be queried first with larger ndot value (#345)
+  
+  If a query is performed for dynamodb.us-east-1.amazonaws.com. with ndots=5, it was attempting to search the search domains rather than just attempting the FQDN that was passed it.  This patch now at least attempts the FQDN first.
+  
+  We may need to determine if we should abort any further searching, however as is probably intended.
+  
+  Fix by: Jonathan Maye-Hobbs (@wheelpharoah)
+
+- [Gisle Vanem brought this change]
+
+  Update acountry.c country code list (#341)
+  
+  Updated country_list[]:
+   * 2-letter ISO-3166 country-codes.
+   * Add, rename some names + codes in accordance with latest table at https://en.wikipedia.org/wiki/ISO_3166-1.
+  
+  Fix By: Gisle Vanem (@gvanem)
+
+- [Bulat Gaifullin brought this change]
+
+  Test case should honor flag HAVE_WRITEV rather than WIN32 (#344)
+  
+  Test cases where not honoring the HAVE_WRITEV flag but instead using WIN32 to determine if WRITEV was available or not.  This patch fixes that.
+  
+  Fix By: Bulat Gaifullin (@bgaifullin)
+
+Brad House (18 Jul 2020)
+- Ensure c89 support
+  
+  A couple of for loops in Mac-specific code were using integer declarations
+  inside a for loop.  Move the declaration to the top of the preceding
+  code block to retain c89 compliance.
+  
+  Reported By: Jeffrey Walton
+
+GitHub (2 Jul 2020)
+- [Fionn Fitzmaurice brought this change]
+
+  Avoid buffer overflow in RC4 loop comparison (#336)
+  
+  The rc4 function iterates over a buffer of size buffer_len who's maximum
+  value is INT_MAX with a counter of type short that is not guaranteed to
+  have maximum size INT_MAX.
+  
+  In circumstances where short is narrower than int and where buffer_len
+  is larger than the maximum value of a short, it may be possible to loop
+  infinitely as counter will overflow and never be greater than or equal
+  to buffer_len.
+  
+  The solution is to make the comparison be between types of equal width.
+  This commit defines counter as an int.
+  
+  Fix By: Fionn Fitzmaurice (@fionn)
+
+- [anonymoushelpishere brought this change]
+
+  Updated help information for adig, acountry, and ahost. (#334)
+  
+  Provide more descriptive help information for various utilities.
+  
+  Fix By: @anonymoushelpishere
+
+- [lutianxiong brought this change]
+
+  avoid read-heap-buffer-overflow (#332)
+  
+  Fix invalid read in ares_parse_soa_reply.c found during fuzzing
+  
+  Fixes Bug: #333
+  Fix By: lutianxiong (@ltx2018)
+
+- [Ivan Baidakou brought this change]
+
+  Fix: sizeof(sizeof(addr.saX)) -> sizeof(addr.saX) in readaddrinfo (#331)
+  
+  Looks like a sed-gone-wrong, a sizeof inside of a sizeof.
+  
+  Fix By: Ivan Baidakou (@basiliscos)
+
+Version 1.16.1 (11 May 2020)
+
+Brad House (11 May 2020)
+- c-ares 1.16.1 release prep
+
+- update travis to use xcode11.4
+
+- Prevent possible double-free in ares_getaddrinfo() if ares_destroy() is called
+  
+  In the event that ares_destroy() is called prior to ares_getaddrinfo() completing,
+  it would result in an invalid read and double-free due to calling end_hquery() twice.
+  
+  Reported By: Jann Horn @ Google Project Zero
+
+GitHub (30 Apr 2020)
+- [shelley vohr brought this change]
+
+  fix: windows UNICODE incompatibilities with ares_getaddrinfo (#328)
+  
+  Fixes the following compatibility issues:
+  * Use RegQueryValueExA instead of RegQueryValueEx
+  * Use ExpandEnvironmentStringsA instead of ExpandEnvironmentStrings
+  * Use RegOpenKeyExA instead of RegOpenKeyExA
+  * Use GetWindowsDirectoryA instead of GetWindowsDirectoryA
+  
+  Fix By: Shelley Vohr (@codebytere)
+  Closes: #327
+
+Brad House (13 Apr 2020)
+- travis: CloudFlare does not allow T_ANY requests, so live tests that use it fail.  Disable.
+
+- travis: bump macos image to the latest
+
+- cast-align warnings are false for struct sockaddr, silence
+  
+  Create a macro to silence false cast-align warnings when casting
+  struct sockaddr * to struct sockaddr_in * and struct sockaddr_in6 *.
+  
+  Fix By: Brad House (@bradh352)
+
+- MacOS: Enable libresolv support for retrieving DNS servers like iOS does.
+
+GitHub (10 Apr 2020)
+- [Dmitry Igrishin brought this change]
+
+  CMake: Populate the INCLUDE_DIRECTORIES property of installed targets (#323)
+  
+  Populate the INCLUDE_DIRECTORIES property of installed targets
+  
+  Fix By: Dmitry Igrishin (@dmitigr)
+
+Brad House (10 Apr 2020)
+- travis: make valgrind use cmake for tests
+
+- dont try to use libtool to run valgrind
+
+- valgrind requires libtool installed to wrap tests
+
+- scan build 7
+
+- fix travis live test
+
+- add debug for travis
+
+- try without sudo
+
+- attempt to modernize travis build environment
+
+GitHub (6 Apr 2020)
+- [Teemu R brought this change]
+
+  Allow TXT records on CHAOS qclass (#321)
+  
+  Some DNS servers intentionally "misuse" the obsoleted CHAOS (CH) qclass to provide things like `version.bind`, `version.server`, `authors.bind`, `hostname.bind` and `id.server`.
+  
+  C-ares was not allowing such use cases.
+  
+  Fix By: Teemu R. (@rytilahti)
+
+Brad House (5 Apr 2020)
+- Remove warnings from ares_getaddrinfo.3 man page
+  
+  As reported in #319, non-standard macros of .IN were used.
+  Replace with .RS/.RE.
+  
+  Fixes: #319
+  Fix By: Brad House (@bradh352)
+
+- ares_getaddrinfo man page render better for man2html
+
+- update man pages to render better for man2html
+
+Version 1.16.0 (12 Mar 2020)
+
+Brad House (12 Mar 2020)
+- 1.16.0 release notes draft
+
+- attempt to fix double-free introduced in e0517f9
+
+GitHub (12 Mar 2020)
+- [David Drysdale brought this change]
+
+  test: fuzzer input triggering double free (#315)
+  
+  OSS-Fuzz has reported a double-free with the fuzzer input file
+  included here; run with:
+    ./test/aresfuzz test/fuzzinput/clusterfuzz-5637790584012800
+  
+  Bisecting the failure points to commit e0517f97d988 ("Parse SOA records
+  from ns_t_any response (#103)")
+
+- [Brad House brought this change]
+
+  CMake: Install Manpages (#314)
+  
+  CMake wasn't installing manpages.
+  
+  Fixes #297
+  Fix By: Brad House (@bradh352)
+
+- [Brad House brought this change]
+
+  Enable cmake tests for AppVeyor (#313)
+  
+  Tests require linking against the static library on Windows otherwise the symbols are not exported for internals being tested.
+  
+  Fix By: Brad House (@bradh352)
+
+Brad House (11 Mar 2020)
+- Add AppVeyor badge
+
+- bump c-ares version to 1.16.0. test AppVeyor integration.
+
+GitHub (11 Mar 2020)
+- [Brad House brought this change]
+
+  replace all usages of inet_addr() with ares_inet_pton() which is more proper (#312)
+  
+  Replace usage of inet_addr() with ares_inet_pton() which is more appropriate and fixes issues with legitimate addresses like 255.255.255.0. IPv6 already used this.
+  
+  Fixes #309
+  Fix By: Brad House (@bradh352)
+
+- [Brad House brought this change]
+
+  CMake: Generate WinPDB files during build (#311)
+  
+  Build and Install PDB (Windows Debug Symbol) files if supported by underlying system.
+  
+  Also update AppVeyor to test cmake builds.
+  
+  Fixes #245
+  Fix By: Piotr Pietraszkiewicz (@ppietrasa) and Brad House (@bradh352)
+
+- [Brad House brought this change]
+
+  CMake: Rework library function checking (#310)
+  
+  CHECK_LIBRARY_EXISTS(), while it takes a function name, does not actually verify the function exists in the library being evaluated. Instead, if the function is found in any dependent library, and the referenced library also exists, it returns true. This is not desirable.
+  
+  Wrap with a Macro to change the behavior.
+  
+  Fixes: #307
+  Fix By: Brad House (@bradh352)
+
+- [Dron Rathore brought this change]
+
+  Parse SOA records from ns_t_any response (#103)
+  
+  Added the capability of parsing SOA record from a response buffer of ns_t_any type query, this implementation doesn't interfere with existing T_SOA query's response as that too is treated as a list of records. The function returns ARES_EBADRESP if no SOA record is found(as per RFC).
+  
+  The basic idea of sticking to RFC that a ns_t_any too should return an SOA record is something open for discussion but I have kept the functionality intact as it was previously i.e the function returns ARES_EBADRESP if it doesn't find a SOA record regardless of which response it is parsing i.e. T_SOA or T_ANY.
+  
+  Note that asking for T_ANY is generally a bad idea:
+  - https://blog.cloudflare.com/what-happened-next-the-deprecation-of-any/
+  - https://tools.ietf.org/html/draft-ietf-dnsop-refuse-any
+  
+  Bug: #102
+  Fix By: Dron Rathore (@DronRathore)
+
+- [Stephen Bryant brought this change]
+
+  Added CPack functionality for generating RPM or DEB packages (#283)
+  
+  Added CPack functionality for generating RPM or DEB packages
+  
+  ie: run `cpack -G RPM` (or "DEB") after building with CMake.
+  
+  The current configuration creates 3 separate packages for the shared library,
+  the development files and the tools.
+  
+  Fix By: Stephen Bryant (@bf-bryants)
+
+- [tjwalton brought this change]
+
+  ares_gethostbyname: Return ENODATA if no valid A or AAAA record found (#304)
+  
+  ares_gethostbyname() was returning ESUCCESS when no A or AAAA record was found but a CNAME pointing nowhere was present.  ENODATA should be returned instead, however the hosts pointer will still be present to provide the alias list.
+  
+  * Return ENODATA if no valid A or AAAA record found
+  * Fix and update test ParseAReplyNoData.
+  * Add test for new ENODATA behaviour in ares_gethostbyname.
+  
+  Fixes Bug #303
+  Fix By: @tjwalton
+
+- [Michal Rostecki brought this change]
+
+  test: Separate live tests from SetServers* tests (#299)
+  
+  Before this change, SetServers, SetServersPorts and SetServersCSV
+  contained test cases trying to make DNS queries with the google.com
+  hostname, which requires Internet connectivity. Tests with that
+  requirement should be defined in the ares-test-live.cc file and contain
+  "Live" prefix to filter them out with `--gtest_filter=-*.Live*` on
+  machines without Internet connectivity.
+  
+  Fix By: Michal Rostecki (@mrostecki)
+
+- [Adam Majer brought this change]
+
+  Only count valid addresses when response parsing (#302)
+  
+  When ares_parse_a_reply or ares_parse_aaaa_reply is called in case
+  where another AAAA and A responses exist, the resulting ares_addrttl
+  count is invalid and the structure points to gibberish.
+  
+  This is a regression since 1.15.
+  
+  Issue: https://github.com/c-ares/c-ares/issues/300
+  Fix By: Adam Majer (@AdamMajer)
+
+Brad House (24 Dec 2019)
+- [Kyle Edwards brought this change]
+
+  CMake: Provide c-ares version in package export file (#296)
+  
+  The CMake package export file should provide version information.
+  
+  Fix By: Kyle Edwards (@KyleFromKitware)
+
+- [Ben Noordhuis brought this change]
+
+  Accept invalid /etc/resolv.conf lookup values, ability to build container tests (#274)
+  
+  * Add CARES_BUILD_CONTAINER_TESTS CMake option to add ability to build the Linux-only containerized tests.
+  * Accept invalid /etc/resolv.conf lookup values
+  
+  Before this commit invalid `lookup` values resulted in c-ares not using
+  any lookups without any clear indication why. After this commit it uses
+  the default "fb".
+  
+  Fix By: Ben Noordhuis (@bnoordhuis)
+
+- [Christian Ammer brought this change]
+
+  Parallel A and AAAA lookups in `ares_getaddrinfo` (#290)
+  
+  A and AAAA lookups for ares_getaddrinfo() are now performed in parallel.
+  
+  For this change `ares_search` was removed from `ares_getaddrinfo`.
+  Instead `ares_query` in combination with `next_dns_lookup` are
+  doing the suffix search.
+  
+  Adding support for `.onion` addresses which are tested by
+  `TEST_F(DefaultChannelTest, GetAddrinfoOnionDomain)`
+  
+  Fix By: Christian Ammer (@ChristianAmmer)
+
+- [Vy Nguyen brought this change]
+
+  Move variables into the block where it is used to avoid unused-vars (#281)
+  
+  Warning uncovered with [-Werror, -Wunused-variables]
+  
+  Fix By: Vy Nguyen (@oontvoo)
+
+- [Vy Nguyen brought this change]
+
+  Rename local macros to avoid conflicting with system ones and remove unsed variables. (Otherwise code will break once compiled with [-Werror,-Wmacro-redefined,-Wunused-variable] ) (#280)
+  
+  Fix new getaddrinfo code to not redefine macros on some systems.
+  
+  Fix By: Vy Nguyen (@oontvoo)
+
+- [Egor Pugin brought this change]
+
+  [ares_getenv] Return NULL in all cases. (#279)
+  
+  if ares_getenv is defined, it must return a value on all platforms.
+  
+  Fix By: Egor Pugin (@egorpugin)
+
+- [Abhishek Arya brought this change]
+
+  Add OSS-Fuzz fuzzing badge (#278)
+  
+  Adds based on instructions at
+  https://google.github.io/oss-fuzz/getting-started/new-project-guide/#status-badge
+  
+  Patch By: Abhishek Arya (@inferno-chromium)
+
+- [Peter Eisentraut brought this change]
+
+  ares_init_options.3: Fix layout (#275)
+  
+  7e6af8e inserted the documentation of resolvconf_path in the middle of
+  the item for ednspsz, leading to broken layout.  Fix that.
+  
+  Fix By: Peter Eisentraut (@petere)
+
+- [Gregor Jasny brought this change]
+
+  manpages: Fix typos detected by lintian (#269)
+  
+  
+  Fix By: Gregor Jasny (@gjasny)
+
+- [lifenjoiner brought this change]
+
+  keep command line usage up to date (#256)
+  
+  adig and ahost built-in help did not match args taken.
+  
+  Fix-By: @lifenjoiner
+
+- [Dan Noé brought this change]
+
+  ares-test.cc: Handle nullptr in AddrInfo ostream. (#268)
+  
+  The const AddrInfo& argument to operator<< overload for AddrInfo can be
+  a nullptr unique_ptr. Handle this explicitly by printing {nullptr} if
+  the rest of the function cannot be safely executed.
+  
+  Fix-by: Dan Noé <dpn@google.com>
+
+- [Dan Noé brought this change]
+
+  Add missing limits.h include from ares_getaddrinfo.c (#267)
+  
+  This files references INT_MAX, but does not include limits.h. This can
+  cause a build failure on some platforms. Include limits.h if we have it.
+  
+  Fix-by: Dan Noé <dpn@google.com>
+
+- [Andrew Selivanov brought this change]
+
+  fix fuzzer docs and add missing getaddrinfo docs (#265)
+  
+  There is a fix for a bit outdated clang fuzzer docs and ares_getaddrinfo docs.
+  
+  Fix By: Andrew Selivanov (@ki11roy)
+
+- [Andrew Selivanov brought this change]
+
+  Fix leak and crash in ares_parse_a/aaaa_reply (#264)
+  
+  * fix leak if naddress of particular type found
+  * fix segfault when wanted ttls count lesser than count of result records
+  * add fuzzer input files that trigger problems (from #263)
+  
+  Reported-By: David Drysdale (@daviddrysdale)
+  Fix-By: Andrew Selivanov (@ki11roy)
+
+- [Andrew Selivanov brought this change]
+
+  fix segfault when parsing wrong type of record (#262)
+  
+  Fixes segfault when trying to ares_parse_aaaa with AF_INET and vise versa.
+  
+  Fix By: Andrew Selivanov (@ki11roy)
+
+- work around mingw compile failure
+
+- c++ requires explicit casts
+
+- support EnvValue on Windows by implementing setenv/unsetenv
+
+- [Andrew Selivanov brought this change]
+
+  getaddrinfo enhancements (#257)
+  
+  * Service support has been added to getaddrinfo.
+  * ares_parse_a/aaaa_record now share code with the addrinfo parser.
+  * Private ares_addrinfo structure with useful extensions such as ttls (including cname ttls),
+    as well as the ability to list multiple cnames in chain of lookups
+  
+  Work By: Andrew Selivanov @ki11roy
+
+- [Andrew Selivanov brought this change]
+
+  fix ares__sortaddrinfo, use wrappers for sock_funcs (#258)
+  
+  Some socket functions weren't exposed for use by other areas of the library.  Expose
+  those and make use of them in ares__sortaddrinfo().
+  
+  Fix By: Andrew Selivanov (@ki11roy)
+
+- Fix c89 compilation support broken by .onion rejection changes
+  
+  Move .onion check lower after all variables have been declared.
+  
+  Bug: #246
+
+- [kedixa brought this change]
+
+  getaddrinfo: callback must be called on bad domain (#249)
+  
+  Due to an order of incrementing the remaining queries and calling ares_query, on a bad domain
+  the registered callback wouldn't be called.
+  
+  Bug: #248
+  Fixed-By: @kedixa
+
+- [Darrin W. Cullop brought this change]
+
+  Windows ARM/ARM64 requires AdvApi32 (#252)
+  
+  Fix link issues caused by missing library that appears to only be required on ARM (though
+  docs don't list this restriction). Doesn't hurt to require it everywhere.
+  
+  Bug: #251
+  Fixed-By: Darrin Cullop (@dwcullop)
+
+- [kedixa brought this change]
+
+  getaddrinfo: avoid infinite loop in case of NXDOMAIN(#240) (#242)
+  
+  There are two possible causes for infinite loops fo NXDOMAIN, based on how many dots are in the domain name (one for < ARES_OPT_NDOTS and one for >= ARES_OPT_NDOTS), where it will repeat the same query over and over as the hquery->next_domain doesn't increment.
+  
+  Fix By: @kedixa
+
+- Portability fix for ares__sortaddrinfo()
+  
+  replace uint32_t with unsigned int and socklen_t with ares_socklen_t
+  
+  By: Brad House
+
+- [Khaidi Chu brought this change]
+
+  fix: init bufp before reject .onion to make it can be free correctly (#241)
+  
+  When querying a .onion domain, it returns directly without setting bufp to NULL. A subsequent free() that occurs can cause a segmentation fault.
+  
+  Fix By: Khaidi Chu (@XadillaX)
+
+- [Andrew Selivanov brought this change]
+
+  Add ares__sortaddrinfo() to support getaddrinfo() sorted results (#239)
+  
+  This is a port of RFC 6724 compliant sorting function from Android Bionic project:
+  https://android.googlesource.com/platform/bionic/+/e919b116d35aa7deb24ddece69c491e24c3b0d6f/libc/netbsd/net/getaddrinfo.c
+  
+  The latest version is essentially the same, except two additional parameters to test connection with (mark/uid):
+  https://android.googlesource.com/platform/bionic/+/master/libc/dns/net/getaddrinfo.c
+  
+  Please note that even that version has some restrictions. It doesn't support some rules from RFC 6724:
+  
+  Rule 3 (Avoid deprecated addresses)
+  Rule 4 (Prefer home addresses)
+  Rule 7 (Prefer native transport)
+  
+  Submitted By: Andrew Selivanov (@ki11roy)
+
+- [Christian Ammer brought this change]
+
+  Increase portability of `ares-test-mock-ai.cc` (#235)
+  
+  * using portable ares_inet_pton and updated includes in ares-test-mock-ai
+  * forgot to remove deleted ares-test-ai.cc in Makefile.inc
+  
+  Fix By: Christian Ammer (@ChristianAmmer)
+
+- [Fabrice Fontaine brought this change]
+
+  m4/xc-cc-check.m4: use XC_CHECK_BUILD_FLAGS (#236)
+  
+  Use XC_CHECK_BUILD_FLAGS instead of XC_CHECK_USER_FLAGS.
+  Otherwise it complains of CPPFLAGS in CFLAGS.
+  [Retrieved from:
+  https://git.buildroot.net/buildroot/tree/package/c-ares/0001-use_check_build_instead_of_check_user.patch]
+  
+  Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
+  Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+  Submitted by: Fabrice Fontaine
+
+- [Christian Ammer brought this change]
+
+  Bugfix for `ares_getaddrinfo` and additional unit tests (#234)
+  
+  This PullRequest fixes a bug in the function add_to_addrinfo which task is to add new addrinfo items to the ai_next linked list. Also additional unit tests for testing ares_getaddrinfo will be added:
+  
+  Additional mock server test classes (ares-test-mock-ai.cc):
+  MockTCPChannelTestAI
+  MockExtraOptsTestAI
+  MockNoCheckRespChannelTestAI
+  MockEDNSChannelTestAI
+  RotateMultiMockTestAI
+  NoRotateMultiMockTestAI
+  
+  Additional live tests (ares-test-live-ai.cc):
+  LiveGetHostByNameV4
+  LiveGetHostByNameV6
+  LiveGetHostByNameV4AndV6
+  
+  Fix By: Christian Ammer (@ChristianAmmer)
+
+- [Christian Ammer brought this change]
+
+  Remaining queries counter fix, additional unit tests for `ares_getaddrinfo` (#233)
+  
+  Remaining queries counter fix, added tests (ParallelLookups,
+  SearchDomains, SearchDomainsServFailOnAAAA).  Removed unnecessary
+  if and commented code in test.
+  
+  Fix By: Christian Ammer (@ChristianAmmer)
+
+- [Christian Ammer brought this change]
+
+  Add initial implementation for ares_getaddrinfo (#112)
+  
+  Initial implementation for ares_getaddrinfo().  It is NOT compliant with RFC6724, though
+  it is expected to come closer to conformance prior to the next release.
+  
+  Features not supported include sorted addresses and honoring of service and hints
+  parameters.
+  
+  Implementation by: Christian Ammer (@ChristianAmmer)
+
+- [Ben Noordhuis brought this change]
+
+  test: fix bad expectation in ipv6 localhost test (#227)
+  
+  The LiveGetLocalhostByAddrV6 test expected to see "localhost" in the
+  result when doing an address-to-name lookup for ::1 but on my system
+  that resolves to "ip6-loopback" because of this stanza in /etc/hosts:
+  
+      $ grep ^::1 /etc/hosts
+      ::1     ip6-localhost ip6-loopback
+  
+  Fix By: Ben Noordhuis (@bnoordhuis)
+  Bug: #85
+
+- [Ben Noordhuis brought this change]
+
+  ares_version.h: bump version (#230)
+  
+  Version change not committed from maketgz.sh
+  
+  Bug: #229
+
+Daniel Stenberg (24 Oct 2018)
+- ares_library_init_android.3: minor syntax edits, fixed AVAILABILITY
+
+Version 1.15.0 (23 Oct 2018)
+
+Brad House (23 Oct 2018)
+- last minute 1.15.0 addition
+
+- [Ben Noordhuis brought this change]
+
+  Report ARES_ENOTFOUND for .onion domain names as per RFC7686. (#228)
+  
+  Quoting RFC 7686:
+  
+      Name Resolution APIs and Libraries (...) MUST either respond
+      to requests for .onion names by resolving them according to
+      [tor-rendezvous] or by responding with NXDOMAIN.
+  
+      A legacy client may inadvertently attempt to resolve a .onion
+      name through the DNS. This causes a disclosure that the client
+      is attempting to use Tor to reach a specific service. Malicious
+      resolvers could be engineered to capture and record such leaks,
+      which might have very adverse consequences for the well-being
+      of the user.
+  
+  Bug: #196
+  Fix By: Ben Noordhuis @bnoordhuis
+
+- prepare for c-ares 1.15.0 release
+
+- AIX Build Fix
+  
+  AIX attempts to include both nameser_compat.h and onameser_compat.h.  It appears
+  the proper fix is to define _USE_IRS so that only nameser_compat.h is used.
+  
+  Bug: #224
+  Fix By: Brad House (@bradh352)
+
+- Fix crash in ares_dup() due to new ARES_OPT_RESOLVCONF
+  
+  ares_dup() calls ares_init_options() by making its own fake option
+  mask since the original mask isn't stored but ARES_OPT_RESOLVCONF
+  was always set, instead of conditionally set.  This caused a crash
+  because ares_strdup() isn't NULL-safe if no custom path was set.
+  
+  Made ares_dup() set ARES_OPT_RESOLVCONF conditionally.
+  
+  Fix By: Brad House (@bradh352)
+
+- [Sarat Addepalli brought this change]
+
+  Add ares_init_options() configurability for path to resolv.conf file
+  
+  Add resolvconf_path to end of struct ares_options with ARES_OPT_RESOLVCONF option
+  so on Unix-like systems a custom path can be specified.  If no path is specified,
+  /etc/resolv.conf is used like normal.
+  
+  Fix By: Sarat Addepalli @SirR4T
+  Fixes Bug: #220
+  Review By: Brad House @bradh352
+
+- remove stale variables
+
+- fix prototype name for ares_strsplit_free()
+
+- add missing prototype
+
+- simplify ares_strsplit() and create ares_strsplit_free() helper function
+
+- missing ares_strsplit.h from HHEADERS for inclusion in distribution
+
+- [Ruslan Baratov brought this change]
+
+  Add CARES_BUILD_TOOLS CMake option (#214)
+  
+  Add ability to exclude building of tools (adig, ahost, acountry) in CMake.  This should also close #200.
+  
+  Fix By: Ruslan Baratov (@ruslo)
+  Bug: #200
+
+- [flyingdutchman23 brought this change]
+
+  Style. Whitespace cleanup. (#213)
+  
+  Small whitespace cleanups.
+  
+  Fix By: @flyingdutchman23
+
+- [John Schember brought this change]
+
+  Android: Support for domain search suffix (#211)
+  
+  Fixes issue #207. Uses LinkProperties.getDomains() to get a list of search domains and adds them to the suffix list.  This also adds a new helper function to split strings into an array based on multiple delimiters replacing multiple other functions for dealing with string splitting.
+  
+  Submitter: John Schember (@user-none)
+  Fixes: #207
+  Approved-by: Brad House (@bradh352)
+
+- [afalin brought this change]
+
+  Improve DNS suffixes extracting from WinNT registry (#202)
+  
+  Join all global and connection specific suffix lists. Use 'HKLM\Software\Policies\Microsoft\Windows NT\DNSClient\SearchList', 'HKLM\System\CurrentControlSet\Services\Tcpip\Parameters\Domain' as global suffix lists.
+  
+  Fix By: @afalin
+
+- Be consistent with indention in CMakeLists.txt
+  
+  The imported TRANSFORM_MAKEFILE_INC function from curl used space indention
+  but the rest of the file used tabs.  Go ahead and make it tabs for
+  consistency as well.
+  
+  Committed By: Brad House
+
+- [flyingdutchman23 brought this change]
+
+  Fix modern gcc warning: argument to 'sizeof' in 'strncpy' call is the same expression as the source
+  
+  Silence warning about using src to determine number of bytes to copy.
+  In this case it doesn't matter whether it is `src` or `dest`. So there
+  is no functionality change.
+  
+  Bug: #210
+  Fix By: @flyingdutchman23
+
+- [Andi Schnebinger brought this change]
+
+  fix stringop-overflow warning of GCC (#201)
+  
+  When using a modern GCC to compile c-ares, there is a stringop-overflow warning.
+  This patch simply silences the false-positive warning, there is no actual code flaw.
+  
+  Bug: https://github.com/c-ares/c-ares/pull/201
+  Fixed By: Andi Schnebinger @Iniesta8
+
+GitHub (18 May 2018)
+- [David Drysdale brought this change]
+
+  travis: do coverage in "coverage" build (#195)
+  
+  Fixes #194, a mistake from commit a255081f2c3c ("travis: Only do
+  coverage/distcheck on normal build")
+
+Brad House (17 May 2018)
+- [Brad Spencer brought this change]
+
+  Apply the IPv6 server blacklist to all nameserver sources, not just Windows (#193)
+  
+  For #164, I mentioned that it seemed like the IPv6 nameserver blacklist should apply to all OSes. In a mailing list post, @bradh352 agreed and suggested that I file a PR to make it so.
+  
+  This moves the blacklist check from being Windows-specific to being a general feature of config_nameservers(), no matter the nameserver source. It also simplifies the ares_ipv6_server_blacklisted() implementation to not parse and re-parse the blacklisted IPv6 addresses from strings on every check. I think they're almost as easy to read as a sequence of hex bytes in an array initializer, and it's definitely less work on each trip through the code.
+  
+  Fix By: Brad Spencer @b-spencer
+  PR: https://github.com/c-ares/c-ares/pull/193
+
+- [Brad Spencer brought this change]
+
+  Fix warnings emitted by MSVC when using -W4 (#192)
+  
+  These changes fix a few warnings emitted by recent versions of MSVC when compiling with -W4. Half of the changes are in Windows-specific code, and the other half should be safe no matter the compiler or OS.
+  
+  The allocation function change is probably the only one that needs explanation. MSVC gives warnings about the function pointers not being stable across DLL boundaries or something to that effect, so for Windows, I've made them be called indirectly, which at least made the compiler happy. I can't say I've tested every linking combination on Windows with them before or after the change, but it seems harmless.
+  
+  Fix By: Brad Spencer @b-spencer
+  PR: https://github.com/c-ares/c-ares/pull/192
+
+- [David Hotham brought this change]
+
+  Prevent changing name servers while queries are outstanding (#191)
+  
+  Changing name servers doesn't work, per #41.  Better to return an error code than to crash.
+  
+  Fix-by: David Hotham @dimbleby
+
+David Drysdale (15 May 2018)
+- [Tobias Nießen brought this change]
+
+  Fix comment in ares_rules.h (#189)
+
+Brad House (6 May 2018)
+- [Brad Spencer brought this change]
+
+  Harden and rationalize c-ares timeout computation (#187)
+  
+  * Harden and rationalize c-ares timeout computation
+  * Remove the rand() part of the timeout calculation completely.
+  
+  When c-ares sends a DNS query, it computes the timeout for that request as follows:
+  
+  timeplus = channel->timeout << (query->try_count / channel->nservers);
+  timeplus = (timeplus * (9 + (rand () & 7))) / 16;
+  I see two issues with this code. Firstly, when either try_count or channel->timeout are large enough, this can end up as an illegal shift.
+  
+  Secondly, the algorithm for adding the random timeout (added in 2009) is surprising. The original commit that introduced this algorithm says it was done to avoid a "packet storm". But, the algorithm appears to only reduce the timeout by an amount proportional to the scaled timeout's magnitude. It isn't clear to me that, for example, cutting a 30 second timeout almost in half to roughly 17 seconds is appropriate. Even with the default timeout of 5000 ms, this algorithm computes values between 2812 ms and 5000 ms, which is enough to cause a slightly latent DNS response to get spuriously dropped.
+  
+  If preventing the timers from all expiring at the same time really is desirable, then it seems better to extend the timeout by a small factor so that the application gets at least the timeout it asked for, and maybe a little more. In my experience, this is common practice for timeouts: applications expect that a timeout will happen at or after the designated time (but not before), allowing for delay in detecting and reporting the timeout. Furthermore, it seems like the timeout shouldn't be extended by very much (we don't want a 30 second timeout changing into a 45 second timeout, either).
+  
+  Consider also the documentation of channel->timeout in ares_init_options():
+  
+  The number of milliseconds each name server is given to respond to a query on the first try. (After the first try, the timeout algorithm becomes more complicated, but scales linearly with the value of timeout.) The default is five seconds.
+  
+  In the current implementation, even the first try does not use the value that the user supplies; it will use anywhere between 56% and 100% of that value.
+  
+  The attached patch attempts to address all of these concerns without trying to make the algorithm much more sophisticated. After performing a safe shift, this patch simply adds a small random timeout to the computed value of between 0 ms and 511 ms. I could see limiting the random amount to be no greater than a proportion of the configured magnitude, but I can't see scaling the random with the overall computed timeout. As far as I understand, the goal is just to schedule retries "not at the same exact time", so a small difference seems sufficient.
+  
+  UPDATE: randomization removed.
+  
+  Closes PR #187
+  Fix by: Brad Spencer
+
+- distribute ares_android.h
+  
+  Distribute ares_android.h when a release distribution package is
+  created.
+  
+  Reported By: Andrey Khranovsky
+  Bug: https://c-ares.haxx.se/mail/c-ares-archive-2018-04/0000.shtml
+
+- ares_set_servers_csv() on failure should not leave channel in a bad state
+  
+  If bad data is passed to ares_set_servers_csv() or
+  ares_set_servers_ports_csv() it will clear the existing channel
+  configured DNS servers, then a call to ares_send() will fail due
+  to a bad malloc which may have undefined behavior.
+  
+  The fix now only clears existing servers on success.  An additional
+  sanity check was added in ares_send() to ensure nservers >= 1 or
+  will result in ARES_ESERVFAIL.
+  
+  Bug: https://c-ares.haxx.se/mail/c-ares-archive-2018-03/0000.shtml
+  Reported-by: Francisco Sedano Crippa
+
+- docs: Not all manpages are listed
+  
+  Some docs aren't installed or not showing up on
+  https://c-ares.haxx.se/docs.html
+  due to not being listed in Makefile.inc.  Add missing docs and
+  ensure docs are alphabetized.
+
+Version 1.14.0 (16 Feb 2018)
+
+Daniel Stenberg (16 Feb 2018)
+- ares_android.c: fix warning: ISO C forbids an empty translation unit
+
+- RELEASE-NOTES: some more work we did and people who helped
+
+Brad House (16 Feb 2018)
+- travis: skip Autotools style testing for cmake
+  
+  Fix cmake test build by skipping autotools portion of test script.
+
+- travis: standardize CMake test off of Autotools tests
+  
+  Instead of running 'make test', run the tests directly like autotools
+  does.  It provides more verbose output.
+
+- travis: Enable building tests for CMake
+  
+  Travis should auto-build and run tests for cmake builds now that
+  PR #168 is merged.
+
+- fix version in pkgconfig
+
+- Add version update to CMakeLists in maketgz
+
+- Release prep.  Add support for pkgconfig in cmake, set versions appropriately
+
+Gregor Jasny (15 Feb 2018)
+- CMake: Add tests
+
+Brad House (14 Feb 2018)
+- [Gregor Jasny brought this change]
+
+  Use cmake3 package provided by Ubuntu (#182)
+
+- Cmake 3.1 instead of 3.2.1 should be the minimum
+
+- Update RELEASE-NOTES and RELEASE-PROCEDURE.md to prepare for next release
+
+- get rid of c++ style comments
+
+- Use trusty for all builds, precise is EOL.  Update clang and cmake versions.
+
+- Current CMakeLists.txt doesn't support 2.8.12 anymore, we need to bump the version to 3.2.1 minimum
+
+- Re-organize sections in INSTALL.md and add CMake section
+
+- [Sergey Kolomenkin brought this change]
+
+  remove compilation warnings in MSVC (#47)
+
+- document handling of timeouts for ares_process and ares_process_fd to close PR #57
+
+- As per Issue #155, since we do not require gethostname() during init, if it fails, there's no reason for init to fail as it is only used to populate the domain
+
+GitHub (7 Feb 2018)
+- [David Drysdale brought this change]
+
+  Document WSAStartup requirement (#180)
+
+David Drysdale (6 Feb 2018)
+- [Antonio Tajuelo brought this change]
+
+  Added coderelease.io badge to readme.md for letting people subscribe to new versions (#174)
+
+- [Sheel Bedi brought this change]
+
+  Update year in LICENSE.md to 2018 (#170)
+
+GitHub (4 Feb 2018)
+- [David Drysdale brought this change]
+
+  travis: use VM not container for {L,A}SAN builds (#177)
+  
+  As per https://github.com/travis-ci/travis-ci/issues/9033, container
+  based builds do not currently allow ptrace, which is used by LSAN and
+  ASAN.
+
+Brad House (3 Feb 2018)
+- [acthompson-google-com brought this change]
+
+  Android JNI code leaks local references in some cases (#175)
+  
+  * Add Google LLC to AUTHORS.
+  
+  * android: Explicitly delete all JNI local references, and cache JNI method IDs at initialization.
+  
+  * android: Only return ARES_ENOTINITIALIZED on failures in initialization code.
+
+Gregor Jasny (2 Jan 2018)
+- Embed fused Google Test 1.8.0
+
+Brad House (21 Dec 2017)
+- [John Schember brought this change]
+
+  android: Check returns for obj and classes are not NULL. Document API levels for various Android functions and objects used. (#166)
+
+- CARES_CHECK_TYPE should reference variable so a warning is not produced for -Werror compatibility
+
+- [Brad Spencer brought this change]
+
+  Fix computation of IPv6 blacklist mask for values of netmask > 8. (#164)
+
+David Drysdale (14 Dec 2017)
+- travis: Only do coverage/distcheck on normal build
+
+- travis: only do pip install on Linux
+
+- travis: only test in IPv4 mode
+  
+  Travis' Trusty environment does not support IPv6.
+
+- test: allow restriction to one IP address family
+
+- [Roman Teterin brought this change]
+
+  Fix a typo in init_by_resolv_conf (#160)
+
+Brad House (11 Dec 2017)
+- @gvanem says MSVC -RTCc option fails, looks erroneous to me, but the additional mask is harmless
+
+- Fix some other mingw warnings
+
+- Issue #143, get rid of windows build warning due to passing 'char **' to argument expecting 'const char **'
+
+- [Gregor Jasny brought this change]
+
+  Distribute CMake files (#130)
+
+- Android variants may not have __system_property_get
+  
+  Some android systems like ARM64 may not have the __system_property_get
+  symbol in libc (but still have it in the public headers).  Detect this
+  condition at build time.  The __system_property_get method of retrieving
+  name servers is deprecated as of Oreo so should strictly be a fallback
+  mechanism anyhow.
+
+David Drysdale (9 Nov 2017)
+- [David Hotham brought this change]
+
+  Wrong function name throughout man page (#154)
+
+- ares_data.c: iterate through substructs when freeing
+  
+  Previous code recursed into substructures, which makes it more likely
+  that large/heavily-nested responses could use up lots of stack.
+
+- test: test ares_free_data on long chain of structs
+
+- [Felix Yan brought this change]
+
+  Fix a typo in inet_ntop.c (#151)
+
+Daniel Stenberg (29 Sep 2017)
+- ares_gethostbyname.3: fix callback status values
+  
+  - ARES_ENOTFOUND means the _name_ wasn't found
+  
+  - ARES_ENODATA can be returned when a resolve fails
+  
+  Reported-by: Jakub Hrozek
+  Bug: https://c-ares.haxx.se/mail/c-ares-archive-2011-06/0012.shtml
+
+Brad House (28 Sep 2017)
+- [John Schember brought this change]
+
+  Fix DNS server lookup breaking with Android O due to Android removing access to net.dns# system properties. (#148)
+  
+  As of Android 8 (Oreo) access to net.dns# has been removed (https://developer.android.com/about/versions/oreo/android-8.0-changes.html). The reasoning given is that it, "improves privacy on the platform". Currently c-ares uses this to get the list of DNS servers.
+  
+  Now the only way to access the DNS server list is by using the Connectivity Manager though Java. This adds the necessary JNI code to use the Connectivity Manager and pull the DNS server list. The old way using __system_property_get with net.dns# remains for compatibilty.
+  
+  Using the Connectivity Manager requires the ACCESS_NETWORK_STATE permission to be set on the app. Existing applications most likely are not setting this and keeping the previous method as a fallback will at the very least ensure those apps don't break on older versions of Android. They will need to add this permission for Android 8 compatibility.
+  
+  Included in the patch are two initalization functions which are required. The JVM must be registered as well as the Connectivity Manager itself. There is no way to get the Connectivity Manager except though Java. Either being passed down to C directly or by passing in an Android Context which can be used to get the Connectivity Manager. Examples are provided in the documentation.
+
+- [Konstantinos Sofokleous brought this change]
+
+  allow linking against the static msvc runtime library (#133)
+  
+  allow linking against the static msvc runtime library
+
+- [Gergely Nagy brought this change]
+
+  Force using the ANSI versions of WinAPI functions (#142)
+  
+  When compiling c-ares with a build system that defines UNICODE,
+  bad versions of WinAPI functions are used causing failures or even
+  crashes. When windows.h is included in MBCS mode (like in the default
+  build system), the ..A versions are the same as using the one without
+  any suffix.
+
+- [cmake] build fix on Solaris
+
+GitHub (11 Sep 2017)
+- [Brad House brought this change]
+
+  Win32 exclude legacy ipv6 subnets (#144)
+  
+  win32 ipv6: add infrastructure to exclude ipv6 subnets that are known to cause issues
+
+- [David Drysdale brought this change]
+
+  windows: only look for ancient compilers (#146)
+  
+  Also drop the use of a versioned output directory; just use
+  .\msvc
+
+- [David Drysdale brought this change]
+
+  ares_init_options.3: match up sock_state_cb args (#141)
+  
+  Fixes #140
+
+Daniel Stenberg (25 Aug 2017)
+- [Anna Henningsen brought this change]
+
+  gethostbyaddr: fail with `ECANCELLED` for `ares_cancel()`
+  
+  When `ares_cancel()` was invoked, `ares_gethostbyaddr()`
+  queries would fail with `ENOTFOUND` instead of `ECANCELLED`.
+  
+  It seems appropriate to treat `ares_cancel()` like `ares_destroy()`,
+  but I would appreciate review of the correctness of this change.
+  
+  Ref: https://github.com/nodejs/node/issues/14814
+  
+  Closes #138
+
+David Drysdale (18 Aug 2017)
+- [David Hotham brought this change]
+
+  support most recent Visual Studio 2017
+
+Brad House (26 Jul 2017)
+- Preserve original DNS server order on Windows for equal metrics.
+  
+  qsort is not stable, in order to make it stable we need to record
+  the original index and add it as a secondary sort value when the
+  metrics are equal to prevent using DNS servers that may not work
+  at all as reported by some users.
+
+David Drysdale (15 Jul 2017)
+- [Anna Henningsen brought this change]
+
+  ares_parse_naptr_reply: make buffer length check more accurate
+  
+  9478908a490a6bf009ba58d81de8c1d06d50a117 introduced a length check
+  for records parsed by `ares_parse_naptr_reply()`. However, that
+  function is designed to parse replies which also contain non-NAPTR
+  records; for A records, the `rr_len > 7` check will fail as there
+  are only 4 bytes of payload.
+  In particular, parsing ANY replies for NAPTR records was broken
+  by that patch.
+  
+  Fix that by moving the check into the case in which it is already
+  known that the record is a NAPTR record.
+
+- appveyor: run dnsdump as a sanity check
+
+- travis: run dnsdump as a sanity check
+
+- test: use ares_free_string() throughout
+  
+  As pointed out by Gisle Vanem in #125.
+
+Daniel Stenberg (3 Jul 2017)
+- RELEASE-PROCEDURE.md: how to release
+  
+  Fixes #115
+  Closes #116
+
+David Drysdale (2 Jul 2017)
+- test: Build dnsdump on Windows too
+  
+  Thanks to Gisle Vanem for showing the way:
+  https://github.com/c-ares/c-ares/commit/b701af8a24cf9d173b1dbe5faedcea34642e92da#commitcomment-22830845
+
+Brad House (26 Jun 2017)
+- [Christian Ammer brought this change]
+
+  fix statement like #define - ares ssize_t define had a trailing semicolon (#120)
+
+David Drysdale (21 Jun 2017)
+- test: distribute the fuzzcheck.sh script
+  
+  The TESTS target runs fuzzcheck.sh so make sure it is included
+  in the distributed tarball.
+  
+  (The test itself will be pointless when run on a distribution, because
+  the fuzzing corpus directories are not shipped, but at least this
+  means that `make -C test test` should work.)
+
+- test: run the name-parsing corpus check too
+
+Daniel Stenberg (21 Jun 2017)
+- dist: don't build/ship PDF versions in release archives
+  
+  ... experience says very few read them and they can still get build by
+  those who want them.a
+
+- ares_version.h: bump version
+
+Version 1.13.0 (20 Jun 2017)
+
+Daniel Stenberg (20 Jun 2017)
+- RELEASE-NOTES: 1.13.0
+
+- ares_set_socket_functions.3: added in 1.13.0
+
+David Drysdale (18 Jun 2017)
+- ares_parse_naptr_reply: check sufficient data
+  
+  Check that there is enough data for the required elements
+  of an NAPTR record (2 int16, 3 bytes for string lengths)
+  before processing a record.
+
+- test: Feed in short NAPTR
+
+- test: Add fuzz input with short NAPTR
+
+- test: add ares_parse_naptr_reply to fuzzer
+
+- [noiz brought this change]
+
+  Update ares.h to support compiling with QNX
+
+- [Dionna Glaze brought this change]
+
+  Simple changes to appease stricter compilers.
+  
+  ares_process.c uses htonl, which needs <arpa/inet.h> included.
+  ares_getnameinfo.c uses a dynamically selected format string for
+  sprintf, which -Wformat-literal doesn't like. Usually one would use
+  inttypes.h and a format string "%" PRIu32, but C99 is too new for some
+  supported platforms.
+
+GitHub (16 Jun 2017)
+- [Gregor Jasny brought this change]
+
+  CMake: Emulate interface library on import (#108)
+  
+  Closes: #104
+  Signed-off-by: Gregor Jasny <gjasny@googlemail.com>
+
+Brad House (6 Jun 2017)
+- [ChristianAmmer brought this change]
+
+  Added support for Windows DNS Suffix Search List (#93)
+  
+  This change solves issue #53.
+  
+  Support for suffix search lists was already built in for Linux. The search list could be set via set_search. With this change the suffix search list from Windows is read from the registry and then set into the ares configuration via set_search. There are two sources for the search list:
+  
+  The global DNS suffix search list.
+  The primary and connection specific DNS suffixes if the global is not available.
+  
+  Contributed by @ChristianAmmer
+
+Daniel Stenberg (25 May 2017)
+- [Thomas Köckerbauer brought this change]
+
+  configure: do not heck for ar if specified manually
+  
+  Closes #62
+
+David Drysdale (23 May 2017)
+- ares_expand_name: limit number of indirections
+
+- test: fuzz input file that takes a while to process
+
+- test: copy data in fuzz regression driver
+  
+  Oops.
+
+GitHub (23 May 2017)
+- [David Drysdale brought this change]
+
+  Convert char from ISO-8859-1 to UTF-8 (#99)
+  
+  Fixes #97
+
+- [Gregor Jasny brought this change]
+
+  travis: Use trusty for cmake builds (#109)
+  
+  kubuntu-backports dropped the CMake package for Precise
+
+David Drysdale (2 May 2017)
+- [David Hotham brought this change]
+
+  msvc_ver.inc support most recent Visual Studio 2017 (#101)
+
+- test: use io.h not unistd.h for Windows
+
+- test: try building fuzz binaries on Windows
+
+- test: stick to int in ares-fuzz.c
+  
+  Using int rather than ares_ssize_t means this file
+  needs no c-ares dependency - it's a general driver for
+  any libFuzzer-style entrypoint.
+
+- test: force ARES_OPT_NOROTATE for no-rotate tests
+
+- test: check expected NOROTATE value
+
+- ares_create_query: use ares_free not naked free
+  
+  Accidentally added in commit 65c71be1cbe5
+  ("ares_create_query: avoid single-byte buffer overwrite")
+
+Brad House (17 Mar 2017)
+- Need ares.h for ares_ssize_t
+
+- tests should not use ssize_t, use ares_ssize_t
+
+GitHub (16 Mar 2017)
+- [Brad House brought this change]
+
+  Portability updates for legacy systems. (#92)
+  
+  Socklen_t should not be used in code, instead ares_socklen_t should be used.
+  Convert ssize_t to ares_ssize_t for portability since the public API now exposes this.
+
+David Drysdale (14 Mar 2017)
+- [Michael Osei brought this change]
+
+  Update msvc_ver.inc (#91)
+  
+  For Visual Studio 2017 builds
+
+Daniel Stenberg (13 Mar 2017)
+- [Brad House brought this change]
+
+  Windows DNS server sorting (#81)
+  
+  Original Patch From Brad Spencer:
+  https://c-ares.haxx.se/mail/c-ares-archive-2016-04/0000.shtml
+  
+  My modifications include:
+   * Dynamically find GetBestRoute2 since it is a Windows Vista+ symbol, and will fall back to prior behavior when not available.
+   * Prefer get_DNS_AdaptersAddresses as the modifications should alleviate the concerns which caused us to prefer get_DNS_NetworkParams
+   * Update AppVeyor to use MinGW-w64 instead of the legacy MinGW
+   * Fix compile error in test suite for Windows.
+  
+  Original message from patch below:
+  
+  From: Brad Spencer <bspencer@blackberry.com>
+  Date: Fri, 29 Apr 2016 14:26:23 -0300
+  
+  On Windows, the c-ares DNS resolver tries first to get a full list of
+  DNS server addresses by enumerating the system's IPv4/v6 interfaces and
+  then getting the per-interface DNS server lists from those interfaces
+  and joining them together. The OS, at least in the way the c-ares
+  prefers to query them (which also may be the only or best way in some
+  environments), does not provide a unified list of DNS servers ordered
+  according to "current network conditions". Currently, c-ares will then
+  try to use them in whatever order the nested enumeration produces, which
+  may result in DNS requests being sent to servers on one interface
+  (hosting the current default route, for example) that are only intended
+  to be used via another interface (intended to be used when the first
+  interface is not available, for example). This, in turn, can lead to
+  spurious failures and timeouts simply because of the server address
+  order that resulted because of the enumeration process.
+  
+  This patch makes the (safe?) assumption that there is no other better
+  rule to chose which interface's DNS server list should be prioritized.
+  After all, a DNS lookup isn't something "per network"; applications
+  don't look up "these DNS names on this interface and those DNS names on
+  that interface". There is a single resource pool of DNS servers and the
+  application should presume that any server will give it the "right"
+  answer. However, even if all DNS servers are assumed to give equally
+  useful responses, it is reasonable to expect that some DNS servers will
+  not accept requests on all interfaces. This patch avoids the problem by
+  sorting the DNS server addresses using the Windows IPv4/v6 routing tables.
+  
+  For example, a request to DNS server C on interface 2 that is actually
+  sent over interface 1 (which may happen to have the default route) may
+  be rejected by or not delivered to DNS server C. So, better to use DNS
+  servers A and B associated with interface 1, at least as a first try.
+  
+  By using the metric of the route to the DNS server itself as a proxy for
+  priority of the DNS server in the list, this patch is able to adapt
+  dynamically to changes in the interface list, the DNS server lists per
+  interface, which interfaces are active, the routing table, and so on,
+  while always picking a good "best" DNS server first.
+  
+  In cases where any DNS server on any interface will do, this patch still
+  seems useful because it will prioritize a lower-metric route's (and thus
+  interface's) servers.
+
+David Drysdale (22 Feb 2017)
+- [Sergii Pylypenko brought this change]
+
+  docs: fixed references to ares_set_local_ip4 and ares_set_local_ip6
+
+- [Calle Wilund brought this change]
+
+  ares test: fix win32 build errors with virtual socket function tests
+  
+  The added api requires both some typedefs not previously imported
+  into the test build + the test code did not fully deal with
+  socket differences on windows.
+
+- [Calle Wilund brought this change]
+
+  ares_process: fix return type of socket_create function (win32 warning)
+
+Daniel Stenberg (31 Jan 2017)
+- [Calle Wilund brought this change]
+
+  ares_set_socket_functions: Add man page
+  
+  Providing some rudimentary documentation for the added functionality
+  
+  Closes #72
+
+- [Calle Wilund brought this change]
+
+  ares-test: Add test helpers and cases for virtual socket IO
+  
+  * Added test case macro to automatically run tests twice, once "normal",
+    once with virtual IO.
+  * Changed most "live" query tests to run in dual mode to verify
+    at least simple socket IO via virtual functions
+  * Added test case for settings/duping socket functions & callback data
+
+- [elcallio brought this change]
+
+  Implement using virtual socket IO functions when set
+  
+  Uses virtual socket IO functions when set on a channel.
+  Note that no socket options are set, nor is any binding
+  done by the library in this case, since the client defining
+  these is probably more suited to deal with this.
+
+- [elcallio brought this change]
+
+  Add virtual function set for socket IO
+  
+  Defines a structure of basic create, close, read/write
+  functions as virtual function calls, settable for individual
+  c-ares channels.
+
+David Drysdale (30 Jan 2017)
+- test: ignore aresfuzzname binary
+
+Gregor Jasny (14 Jan 2017)
+- [Stephen Sorley brought this change]
+
+  Always use check_symbol_exists instead of check_function_exists.
+
+- Also add includes to TARGETS_INST_DEST
+
+- [Stephen Sorley brought this change]
+
+  Windows build fixes
+
+- CMake: Export targets
+
+- CMake: Use GNUInstallDirs for install location defaults
+
+David Drysdale (11 Jan 2017)
+- Update Makefile.am for renamed INSTALL.md
+
+GitHub (11 Jan 2017)
+- [David Drysdale brought this change]
+
+  docs: convert INSTALL to MarkDown & tweak (#83)
+
+- [Gregor Jasny brought this change]
+
+  Merge pull request #77 from stephen-sorley/cmake_modernize
+  
+  Updated CMake minimum version to 2.8.12.
+
+Stephen Sorley (4 Jan 2017)
+- Changed executables to depend directly on internal libcares target, instead of against
+  the external-facing alias targets.
+
+- Updated Travis to pull CMake 2.8.12 from kubuntu-backports ppa.
+
+- Updated CMake minimum version to 2.8.12.
+  
+  Changed the way usage requirements (include dirs, compile defs, dependent libraries) are specified, to match the recommended standard practice for modern CMake. This involves using target-specific functions (target_include_directories, target_compile_definitions, etc.), along with the PUBLIC, PRIVATE or INTERFACE modifiers.
+  
+  Updated chain-building support to imitate new-style Find modules (import libs), instead of old-style Find modules (cache variables).
+
+David Drysdale (26 Dec 2016)
+- [Chris Araman brought this change]
+
+  configure: clock_gettime workaround (#75)
+  
+  Commits 7518c26, c41726b, and bc14ee7 brought this workaround to the CMake build system. This expands it to the autoconf build system.
+  
+  Fixes #71
+
+- test: add fuzz entrypoint for ares_create_query()
+
+- test: Add gTest/gMock files to SOURCES
+  
+  Built tarballs are not including all of the files needed
+  to build the test suite because they are missing from the
+  <target>_SOURCES variable in Makefile.am.
+
+- travis: Move build scripts under travis/
+  
+  Travis doesn't always propagate errors in inline multi-line
+  scripts, so move them all to be explicit shell scripts, each
+  with set -e.
+
+- travis: check distributed tarball builds
+
+Daniel Stenberg (25 Oct 2016)
+- dist: ship msvc_ver.inc too
+  
+  Reported-by: Bruce Stephens
+  
+  Fixes #69
+
+- [Aaron Bieber brought this change]
+
+  fix build on OpenBSD
+
+- ares_version.h: bump, working on 1.12.1 now
+
+GitHub (18 Oct 2016)
+- [Gregor Jasny brought this change]
+
+  Merge pull request #64 from bradh352/master
+  
+  Add CMake build system support to C-Ares.
+
+Brad House (5 Oct 2016)
+- suggested PROJECT_NAME change broke chain building as it needs the magic PROJECT_NAME set in the ADD_LIBRARY for matching. Fix to make both goals work
+
+- update MacOSX 10.12 detection
+
+- Expand XCode clock_gettime fix to include MacOS 10.12, not just iOS10
+
+David Drysdale (4 Oct 2016)
+- Revert "travis: work around bug in PyCParser"
+  
+  This reverts commit a24a10a348fc00b8cfd684d91894a1df14880ea9.
+
+- travis: work around bug in PyCParser
+  
+  See https://github.com/pyca/cryptography/issues/3187
+
+Brad House (3 Oct 2016)
+- PROJECT_SOURCE_DIR instead of CMAKE_CURRENT_SOURCE_DIR as per @gjasny
+
+- use a project name of c-ares as per @gjasny
+
+- Import curl conversion of Makefile.inc to cmake form dynamically as per bdoetsch@ameritech.net to make maintaining multiple build systems easier
+
+Daniel Stenberg (30 Sep 2016)
+- dist: add ares_library_initialized.* to the tarball
+
+David Drysdale (30 Sep 2016)
+- test: check ares_create_query with too-long name
+
+Daniel Stenberg (30 Sep 2016)
+- man pages: minor formatting edits
+
+Brad House (29 Sep 2016)
+- merge fc7917e from @daviddrysdale ... travis build updates for cmake
+
+- cleanups as per @gjasny ... Use naked IF statements and use NOT DEFINED
+
+Version 1.12.0 (29 Sep 2016)
+
+Daniel Stenberg (29 Sep 2016)
+- RELEASE-NOTES: 1.12.0
+
+- [David Drysdale brought this change]
+
+  ares-test-misc: test ares_create_query with escaped trailing dot
+
+- ares_create_query: avoid single-byte buffer overwrite
+  
+  ... when the name ends with an escaped dot.
+  
+  CVE-2016-5180
+  
+  Bug: https://c-ares.haxx.se/adv_20160929.html
+
+Brad House (29 Sep 2016)
+- CMake: Unify library versioning with the libtool methodology to make keeping library versions in sync easier with the autotools build system
+
+Daniel Stenberg (29 Sep 2016)
+- ares_library_initialized.3: added
+
+- make: bump CARES_VERSION_INFO for release
+
+David Drysdale (29 Sep 2016)
+- man: update ares_init_options.3
+
+Daniel Stenberg (29 Sep 2016)
+- ares_library_init.3: corrected the ares_library_init_mem proto
+
+Brad House (28 Sep 2016)
+- XCode v8 introduced clock_gettime() for iOS v10.  However, it is a weak symbol, which means when earlier iOS versions try to use clock_gettime() it results in a crash due to the missing symbol.  Detect this condition and do not set HAVE_CLOCK_GETTIME_MONOTONIC.
+
+- Adds cmake build system support to C-Ares.
+  
+  The patch does not modify any source files, it only adds 3 new files
+  (CMakelists.txt, ares_build.h.cmake, ares_config.h.cmake) which form the
+  build system.  I've tried to go through as much of the autotools tests and
+  extracted what I thought was appropriate, though many of the tests aren't
+  as in-depth in CMake as they are for autotools ... it is unclear why some
+  of them exist at all, I'm guessing for legacy systems that CMake probably
+  doesn't support anyhow.
+  
+  Building the library, and examples (adig, ahost, acountry) plus installation
+  should work across a large number of tested platforms.  The tests have not
+  yet been integrated.
+
+Daniel Stenberg (27 Sep 2016)
+- README.md: remove space from link
+
+- README: link to the correct c-ares badge!
+  
+  Reported-by: David Hotham
+  
+  Fixes #63
+
+- docs: minor formatting edits
+
+- ares_destroy.3: formatting polish
+
+- ares_init.3: split the init docs into two separate man pages
+
+- SECURITY: point to the vulnerabilities page now
+
+- RELEASE-NOTES: synced with daa7235b1a5
+
+- ares_create_query.3: edit language
+  
+  Tried to make the man page more readable.
+
+David Drysdale (26 Sep 2016)
+- test: fix gMock to work with gcc >= 6.x
+  
+  Taken from:
+  https://github.com/google/googletest/issues/705#issuecomment-235067917
+
+Daniel Stenberg (26 Sep 2016)
+- [Brad House brought this change]
+
+  headers: remove checks for and defines of variable sizes
+  
+  ... they're not really used and by avoiding them in the ares_build.h
+  output we make the public header less dependent on data sizes.
+
+David Drysdale (24 Sep 2016)
+- api: add ARES_OPT_NOROTATE optmask value
+  
+  Fix up a couple of problems with configuring whether c-ares rotates
+  between different name servers between requests.
+  
+  Firstly, ares_save_options() returns (in *optmask) the value of
+  (channel->optmask & ARES_OPT_ROTATE), which doesn't necessarily
+  indicate whether the channel is or is not actually doing rotation.
+  This can be confusing/incorrect if:
+   - the channel was originally configured without ARES_OPT_ROTATE
+     (so it appears that the channel is not rotating)
+   - the /etc/resolv.conf file includes the 'rotate' option
+     (so the channel is actually performing rotation).
+  
+  Secondly, it is not possible to reliably configure a channel
+  to not-rotate; leaving off ARES_OPT_ROTATE is not enough, since
+  a 'rotate' option in /etc/resolv.conf will turn it on again.
+  
+  Therefore:
+   - add an ARES_OPT_NOROTATE optmask value to allow explicit
+     configuration of no-rotate behaviour
+   - in ares_save_options(), report the value of channel->rotate
+     as exactly one of (optmask & ARES_OPT_ROTATE) or
+     (optmask & ARES_OPT_NOROTATE).
+  
+  In terms of back-compatibility:
+   - existing apps that set ARES_OPT_ROTATE will continue to rotate,
+     and to have ARES_OPT_ROTATE reported back from ares_save_options()
+   - existing apps that don't set ARES_OPT_ROTATE will continue to
+     use local config/defaults to decide whether to rotate, and will
+     now get ARES_OPT_ROTATE or ARES_OPT_NOROTATE reported back from
+     ares_save_options() rather than 0.
+
+- ares_init_options: only propagate init failures from options
+  
+  Commit 46bb820be3a8 ("ares_init_options: don't lose init failure")
+  changed init behaviour so that earlier errors in initialization
+  weren't lost.  In particular, if the user passes in specific
+  options but they are not applied (e.g. because of an allocation
+  failure), that failure needs to be reported back to the user; this
+  also applies when duplicating a channel with ares_dup().
+  
+  However, other initialization failures can be ignored and
+  overridden -- in particular, if init_by_resolv_conf() or
+  init_by_environment() fail, then falling back to default values
+  is OK.
+  
+  So only preserve failures from the init_by_options() stage, not
+  from all initialization stages.
+  
+  Fixes issue 60.
+
+- test: Force reinstall of libtool on OSX
+  
+  Travis build environment appears to have changed.
+
+- test: Add valgrind build variant
+
+- test: Add null pointer to gtest args
+  
+  GoogleTest assumes that there is a null pointer in argv[argc],
+  so make it look like that. Without this change, tests run with
+  command-line arguments get memory errors under valgrind/ASAN.
+
+Daniel Stenberg (21 Aug 2016)
+- AUTHOR: maybe gitgub isn't really an author =)
+
+- AUTHORS: added contributors from the git log
+
+- LICENSE.md: add a stand-alone license file
+  
+  Just the MIT license used in the top the source files moved out to a
+  stand-alone file for easier reference and discovery.
+
+- README: added "CII best practices" badge
+
+- SECURITY.md: suggested "security process" for the project
+
+David Drysdale (17 Aug 2016)
+- test: Add Clang static analysis build to Travis
+  
+  Run scan-build over the library source code, but skip the
+  tests.  Needs a later Clang install in Travis
+
+- test: more info on how to run fuzz testing
+
+- test: make fuzzer driver code C not C++
+
+- test: fuzzer mode for AFL's persistent mode
+  
+  When fuzzing with AFL, if the LLVM-based instrumentation is
+  used (via the afl-clang-fast wrapper), then it is possible to
+  have a single execution of the fuzzer program iterate multiple
+  times over the fuzzing entrypoint (similar to libFuzzer's normal
+  mode of execution) with different data.  This is much (e.g. 10x)
+  faster.
+  
+  Add code to support this, by checking whether __AFL_LOOP is
+  defined at compile-time.
+  
+  Also, shift the code to effectively be C rather than C++.
+
+- test: simplify deps for fuzzer entrypoint
+  
+  No need to depend on the rest of the test code (ares-test.h) for
+  the fuzzer entrypoint; this makes the entrypoint slightly simpler
+  to build with LLVM's libFuzzer.
+  
+  Also shift the code to effectively be C rather than C++
+
+- test: disable MinGW tests
+  
+  The test binary built in the MinGW build is failing for some
+  reason.  It works for me when I build locally, so I'm guessing
+  it's down to some sort of AppVeyor environment issue.
+  
+  Disable for now.
+
+Daniel Stenberg (16 Aug 2016)
+- read_tcp_data: remove superfluous NULL check
+  
+  CID 56884 by Coverity. The pointer is already derefenced before this
+  point so it can't be NULL here anyway.
+
+- web: http => https
+
+GitHub (20 Jul 2016)
+- [David Drysdale brought this change]
+
+  Merge pull request #59 from fuze/master
+  
+  Update msvc_ver.inc for VS2015 Update 3
+
+- [Chris Araman brought this change]
+
+  Update msvc_ver.inc
+  
+  support Visual Studio 2015 Update 3
+
+David Drysdale (2 May 2016)
+- Fix trailing comment for #endif
+
+Daniel Stenberg (30 Apr 2016)
+- email: use Gisle's "new" address
+
+David Drysdale (18 Apr 2016)
+- test: drop superfluous fuzz inputs
+  
+  Where there are multiple fuzz input files that only differ in
+  the first two bytes (the query ID), just keep the first such
+  file.
+
+svante karlsson (15 Apr 2016)
+- Update msvc_ver.inc
+  
+  support Visual Studio 2015 Update 2
+
+David Drysdale (31 Mar 2016)
+- test: Run fuzzcheck.sh in Travis build
+
+- test: add fuzzing check script to tests
+  
+  Add a test script that runs the fuzzing command over the
+  corpus of DNS packets.  This doesn't actually do any fuzzing
+  (it just runs them as inputs without generating any variations)
+  but it does ensure that the fuzzing entrypoint is still working.
+
+- test: allow multiple files in aresfuzz command line
+  
+  If no arguments are specified, use stdin as input.
+  Otherwise treat each argument as a filename and feed
+  its contents to the fuzz entrypoint.
+
+- test: Add corpus of DNS packets
+  
+  For fuzz testing it is useful to start from a corpus of valid
+  packets, so fill out the test/fuzzinput/ directory with a bunch
+  of inputs.
+  
+  These packets were generated by temporarily modifying the c-ares
+  process_answer() function to save off any incoming response messages.
+
+- test: Add utility to show DNS packet from file
+
+- [nordsturm brought this change]
+
+  Fix nsort initialization
+  
+  Author: Alexander Drachevskiy
+  http://c-ares.haxx.se/mail/c-ares-archive-2014-07/0004.shtml
+  http://c-ares.haxx.se/mail/c-ares-archive-2014-07/0014.shtml
+
+- test: Check setting nsort=0 option is respected
+
+- test: Update fuzzing function prototype
+  
+  libFuzzer changed expected return type from void to int
+  in LLVM 3.8.
+
+- Explicitly clear struct servent before use
+  
+  On a build where MSAN has been manually set up (which involves
+  using an MSAN-instrumented version of the standard C++ library, see
+  https://github.com/google/sanitizers/wiki/MemorySanitizerLibcxxHowTo)
+  there's a warning about use of uninitialized memory here.  It
+  might be a false positive, but the fix is trivial so include it.
+
+- test: for AF_UNSPEC, return CNAME only for AAAA, but valid A record
+  
+  Also shuffle expected responses rsp6/rsp4 into the order they will occur.
+
+- [Chris Araman brought this change]
+
+  msvc_ver.inc: support Visual Studio 2015 Update 1
+
+- build: commonize MSVC version detection
+  
+  Remove the need to copy/paste version number mapping between
+  Makefile.msvc and test/Makefile.msvc.
+
+- test: Use different name in live test
+
+- test: Only pass unused args to GoogleTest
+
+- ahost.c: add cast to fix C++ compile
+  
+  If ahost.c is force-compiled as C++ the missing cast from
+  (void *) to (char **) is problematic.
+
+- ares_library_cleanup: reset ares_realloc too
+  
+  Otherwise a subsequent use of the library might use a previous
+  incarnation's realloc() implementation.
+
+Daniel Stenberg (9 Mar 2016)
+- [Brad House brought this change]
+
+  configure: check if tests can get built before enabled
+  
+  The current approach for disabling tests is not a good solution because
+  it forces you to pass --disable-tests, rather than auto-detect if your
+  system can support the tests in the first place.  Many (most?) systems
+  do not have C++11.  This also causes issues when chain-building c-ares,
+  the hosting system needs to be updated to support passing this
+  additional flag if necessary, it doesn't seem reasonable to add this
+  requirement which breaks compatibility.
+  
+  This change auto-detects if the system can build the tests and
+  automatically disable them if it cannot.  If you pass --enable-tests to
+  configure and the system cannot build them either due to lack of system
+  support, or because cross-compilation is being used, it will throw an
+  appropriate error since the user indicated they really did want the
+  tests.
+
+David Drysdale (3 Mar 2016)
+- [Viktor Szakats brought this change]
+
+  Makefile.m32: add support for CROSSPREFIX
+
+- [Viktor Szakats brought this change]
+
+  Makefile.m32: add support for extra flags
+  
+  Allow specification of CARES_{LD,C}FLAG_EXTRAS envvars
+  for mingw
+
+- test: Build with MinGW on AppVeyor
+
+- test: avoid in6addr_* constants
+  
+  These aren't available on MinGW, so use explicit addresses instead.
+
+- test: add missing #includes for dns-proto.cc
+
+- [Gregor Jasny brought this change]
+
+  Fix man page typos detected by Lintian
+
+Daniel Stenberg (19 Feb 2016)
+- configure: acknowledge --disable-tests
+  
+  Fixes #44
+
+- AUTHORS: added contributors from the 1.11.0 release
+
+- bump: start working on the next version
+
+Version 1.11.0 (19 Feb 2016)
+
+Daniel Stenberg (19 Feb 2016)
+- RELEASE-NOTES: final edits for 1.11.0
+
+David Drysdale (15 Feb 2016)
+- ares_dup.3: remove mention of nonexistent function
+  
+  ares_dup_options() doesn't exist, so don't document it.
+
+- test: skip repeated build steps
+  
+  Top-level buildconf/configure now triggers for the
+  test/ subdir too, so don't need to do explicitly.
+
+- test: namespaces unavailable when cross-compiling
+
+Daniel Stenberg (13 Feb 2016)
+- configure: only run configure in test when NOT cross-compiling
+  
+  ... as the tests won't run cross-compiled anyway
+
+David Drysdale (13 Feb 2016)
+- test: prefer ON_CALL to EXPECT_CALL to reduce flakes
+  
+  For UDP tests, there's a chance of a retry.  EXPECT_CALL only
+  expects a single request to arrive at the server; ON_CALL allows
+  for a UDP retry and repeats the same answer.
+  
+  Note that ON_CALL and EXPECT_CALL can't be mixed in the same
+  test, and that tests that have a varied sequence of responses
+  for the same repeated request still have to use EXPECT_CALL.
+
+Daniel Stenberg (13 Feb 2016)
+- configure: run configure in 'test' too
+  
+  Having the test dir completely stand-alone causes too many issues for
+  users and devs. It still needs to be built specifically.
+
+- configure: build silently by default
+
+- buildconf: run test/buildconf too if present
+
+- test/configure: build silently by default
+
+- [Gregor Jasny brought this change]
+
+  dist: Distribute README.md
+  
+  Closes #42
+
+Version 1.11.0 (11 Feb 2016)
+
+Daniel Stenberg (11 Feb 2016)
+- Makefile.am: distribute the test dir too
+
+- RELEASE-NOTES: synced with 385582bd14b68a
+
+- [Nicolas \"Pixel\" Noble brought this change]
+
+  ares_win32_init: make LoadLibrary work when using UNICODE too
+  
+  Closes #17
+
+David Drysdale (11 Feb 2016)
+- Use "resolve" as synonym of "dns" in nsswitch.conf
+  
+  Modern Linux systems may have libnss_resolve from systemd as the
+  resolver, which is then configured in /etc/nsswitch.conf with
+  the "resolve" keyword rather than "dns".
+  
+  Fixes #33
+
+- ares_set_socket_callback: make manpage match code
+  
+  The code in ares_process.c that invokes the socket creation/connection
+  callback only checks for rc < 0, not for standard ares error codes.
+
+- Merge pull request #36 from AGWA-forks/master
+  
+  Add ares_set_socket_configure_callback()
+
+- test: Update init tests to match behaviour
+  
+  Unreadable config files are now treated the same way
+  as absent config files.
+
+- [Fedor Indutny brought this change]
+
+  Ignore `fopen` errors to use default values
+  
+  After 46bb820be3a83520e70e6c5f0c5133253fcd69cd `init_by_resolv_conf`
+  errors are no longer swallowed in `ares_init_options`. This has exposed
+  a previously unknown bug in `lookups` initialization code.
+  
+  If there is no lookup configuration in `resolv.conf`,
+  `init_by_resolv_conf` will attempt to read it from other files available
+  on the system. However, some of these files may have restricted
+  permissions (like `600`), which will lead to `EACCESS` errno, which in
+  turn is handled like a fatal error by `init_by_resolv_conf`.
+  
+  However, it sounds illogical that this error should be handled as a
+  fatal. There is a `init_by_defaults` call that overrides `lookups` with
+  default value, and certainly possible absence of lookup information is
+  the reason why this function exists in a first place!
+  
+  I suggest handling any `fopen` errors as non-fatal ones, allowing to
+  pick up the `lookups` value from different config files, or to pick up
+  default value.
+
+Andrew Ayer (9 Feb 2016)
+- Document callback type in man page for ares_set_socket_callback
+
+- Add ares_set_socket_configure_callback()
+  
+  This function sets a callback that is invoked after the socket is
+  created, but before the connection is established.  This is an ideal
+  time to customize various socket options.
+
+David Drysdale (9 Feb 2016)
+- test: ares_set_socket_callback failure behaviour
+
+- test: Check ares_parse_txt_reply_ext() entrypoint
+
+- [Fedor Indutny brought this change]
+
+  txt: introduce `ares_parse_txt_reply_ext`
+  
+  Introduce `ares_txt_ext` structure with an extra `record_start`
+  field, which indicates a start of a new TXT record, thus allowing to
+  differentiate the chunks in the same record, from a chunks in a
+  different record.
+  
+  Introduce a new API method: `ares_parse_txt_reply_ext` that works with
+  this kind of struct.
+
+- doc: Update missed repo references
+
+- doc: Update docs on contributing
+
+- test: Run command line tools in Travis
+  
+  Do a quick execution of each of the command line tools
+  in the continuous integration build, so that any (say)
+  sanitizer failures show up.
+
+- acountry: drop inert test
+  
+  If ver_1 is true, then z0 and z1 must both be 'z', and so
+  (z0 != 'z' && z1 != 'z') can never be true.
+  
+  CID 56879, pointed out by Coverity.
+
+- doc: update badge locations to master repo
+
+- test: Enable maintainer mode + debug in Travis
+
+- test: Add an iOS build target
+
+- test: Ignore SIGPIPE in tests
+
+- test: More initialization tests
+
+- test: Improve containerized test mechanism
+  
+  Aim is to ensure that code coverage information can escape the
+  container.  To do this:
+   - Enter a new mount namespace too, so that we can...
+   - Bind mount the expected source directory into the container
+   - Share memory with the sub-process so coverage information is
+     shared too.
+
+- test: Make contained tests easier to write
+
+- test: Add framework for containerized testing
+  
+  On Linux we can potentially use user and UTS namespaces to run  a test
+  in a pseudo-container with:
+   - arbitrary filesystem (e.g. /etc/resolv.conf, /etc/nsswitch.conf, /etc/hosts)
+   - arbitrary hostname/domainname.
+  
+  Include a first pass at the framework code to allow this, along with a
+  first test case that uses the container.
+
+- test: Use a longer timeout for less flakiness
+  
+  Having occasional test failures from timeout before multiple
+  queries can complete, so up the default timeout for the test
+  from 100ms to 1500ms.
+
+- test: Make failure tests more robust
+  
+  Different platforms will do different numbers of allocations
+  in the processing of a given API call; just check that the
+  return code is either success or ENOMEM, and free off any
+  returned state in the former case.
+  
+  Also cope with ECONNREFUSED as well as ENOTFOUND.
+
+- test: Get test code building under Windows
+  
+   - Initial nmake file based off library nmake file
+   - Cast socket call arguments to (char *)
+   - Use wrapper sclose() that maps to closesocket() or close()
+   - Build a config.h indicating presence of headers
+   - Conditionally include netdb.h
+   - Remove unnecessary include of sys/socket.h
+   - Force longer bitmask for allocation failure tracking
+   - Call WSAStartup() / WSACleanup() in main()
+   - Set TCP_NODELAY for mock server
+   - Turn on tests in AppVeyor build
+
+- test: Disable tests that manipulate env on Windows
+
+- test: Move file lists into Makefile.inc
+  
+  In preparation for a Win32 build of the test suite.
+
+- test: Add a simple multi-server test
+  
+  Check rotate option does something
+
+- test: Allow for multiple mock servers
+  
+   - Update the MockServer to allow separate specification of
+     UDP and TCP ports
+   - Have an array of mock servers listening on consecutive
+     sets of ports.
+   - Rename Process(fd) to ProcessFD(fd) to avoid confusion.
+   - Initialize channel by using the new ares_set_servers_ports()
+     entrypoint, so multiple ports on the same loopback address
+     can be used.
+
+- test: Update test for set/get_servers variants
+  
+  Ports are significant in the _ports_ variant functions, so update test to cope.
+
+- test: Make GetNameServers() utility function port-aware
+  
+  Also make it generally available.
+
+- test: more testing, including of internal static functions
+
+- test: more tests, especially fallback processing
+  
+   - Make mock server listen on UDP + TCP in parallel.
+   - Test UDP->TCP fallback on truncation
+   - Test EDNS->no-EDNS fallback
+   - Test some environment init options
+   - Test nonsense reply
+  
+  test: short response
+
+- test: more tests, particularly of initialization
+
+- test: Run mock tests over both TCP and UDP
+  
+  With the exception of a few tests that make use of the timed
+  retry aspect of UDP.
+
+- test: Run mock tests over both IPv4 and IPv6
+
+- test: Add more tests for edge cases
+
+- test: more nooks and crannies of pton functions
+
+- test: More tests for PTR parsing
+
+- test: Use of HOSTALIAS environment variable
+
+- test: Add RAII utility classes for testing
+  
+   - TempFile holds specific contents
+   - EnvValue sets an environment variable
+
+- test: More search domain scenarios
+
+- test: Remove duplicate flags from Makefile.am
+
+- test: Make test code leak-free
+
+- test: More tests
+  
+   - test use of sortlist
+   - test gethostbyname(AF_UNSPEC)
+
+- test: Test ares_gethostbyname_file()
+
+- test: Add more tests of ares_getnameinfo()
+
+- test: Tweak tests, add alloc failure test
+
+- test: Test init with options
+
+- test: More tests
+  
+   - ares_inet_net_pton() variants
+   - ares_getsock() variants
+
+- test: Expose ProcessWork() function
+
+- test: More parsing tests
+  
+  Including:
+   - Split each parse function test set out into separate files.
+   - Add an allocation failure test for each parsing function.
+   - Add error check test for each parsing function.
+
+- test: Add various additional tests
+
+- test: More tests
+  
+  Include tests of internal functions, based on the value of the
+  CARES_SYMBOL_HIDING macro; need to configure the library with
+  --disable-symbol-hiding to enable these tests.
+
+- test: Allow command line override of mock server port
+
+- test: Add README.md documentation
+
+- test: Temporarily avoid latest Python requests package
+  
+  Currently get error from Travis on this install step, and downgrading one
+  version appears to fix the problem.
+  
+  "Could not find any downloads that satisfy the requirement pyOpenSSL>=0.13
+  (from requests[security])"
+
+- test: Add AppVeyor config file for Windows build
+
+- test: Add configuration for a Travis build
+  
+  Cover Linux & OSX on the container infrastructure, but install
+  a later G++ to satisfy the tests' need for C++11.
+  
+  Use a build matrix to include a variety of build variants:
+   - ASAN
+   - UBSAN
+   - LSAN
+   - Coverage via coveralls.io
+  
+  test: invoke ASAN and coverage in Travis build
+  
+  Also shift to use explicit build matrix
+  
+  test: Use coveralls.io for coverage tracking
+  
+  test: Add a build with UBSAN
+  
+  Also expand and re-order the setting of environment variables
+  for easier modification.
+  
+  test: Add LSAN build to Travis config
+
+- test: Add initial unit tests for c-ares library
+  
+  The tests are written in C++11, using the GoogleTest and GoogleMock
+  frameworks.  They have their own independent autoconf setup, so that
+  users of the library need not have a C++ compiler just to get c-ares
+  working (however, the test/configure.ac file does assume the use of
+  a shared top-level m4/ directory).  However, this autoconf setup has
+  only been tested on Linux and OSX so far.
+  
+  Run with "./arestest", or "./arestest -v" to see extra debug info.
+  The GoogleTest options for running specific tests are also
+  available (e.g. "./arestest --gtest_filter=*Live*").
+  
+  The tests are nowhere near complete yet (currently hitting around
+  60% coverage as reported by gcov), but they do include examples
+  of a few different styles of testing:
+  
+   - There are live tests (ares-test-live.cc), which assume that the
+     current machine has a valid DNS setup and connection to the
+     internet; these tests issue queries for real domains but don't
+     particularly check what gets returned.  The tests will fail on
+     an offline machine.
+  
+   - There a few mock tests (ares-test-mock.cc) that set up a fake DNS
+     server and inject its port into the c-ares library configuration.
+     These tests allow specific response messages to be crafted and
+     injected, and so are likely to be used for many more tests in
+     future.
+  
+      - To make this generation/injection easier, the dns-proto.h file
+        includes C++ helper classes for building DNS packets.
+  
+   - Other library entrypoints that don't require network activity
+     (e.g. ares_parse_*_reply) are tested directly.
+  
+   - There are few tests of library-internal functions that are not
+     normally visible to API users (in ares-test-internal.cc).
+  
+   - A couple of the tests use a helper method of the test fixture to
+     inject memory allocation failures, using the earlier change to the
+     library to allow override of malloc/realloc/free.
+  
+   - There is also an entrypoint to allow Clang's libfuzzer to drive
+     the packet parsing code in ares_parse_*_reply, together with a
+     standalone wrapper for it (./aresfuzz) to allow use of afl-fuzz
+     for further fuzz testing.
+
+- test: Add local copy of GoogleMock/GoogleTest 1.7.0
+  
+  Don't check in gtest/m4 files, as they are unused and interfere
+  with the top-level configure process.
+
+- doc: Show build badges in README.md
+  
+  Note that these URLs will need to be updated if/when the test branch
+  gets pulled into the master repo/branch.
+
+- doc: Convert README to README.md
+  
+  Gives better display on GitHub
+
+- doc: Update in preparation for next release
+  
+  Assume 1.11.0 is next (as there are various API additions).
+  Also add myself to AUTHORS.
+
+- build: Allow header compilation by Windows C++ compiler
+
+- build: Expose whether symbol hiding is on
+  
+  Adding the CARES_SYMBOL_HIDING definition allows the test suite to
+  detect whether internal symbols are available or not.
+
+- build: Add autoconf macros for C++11 code using pthreads
+  
+  Pull in testing macros from the GNU autoconf archive to allow
+  configure scripts to test for and setup use of a C++11 compiler
+  (AX_CXX_COMPILE_STDCXX_11) and the pthreads library (AX_PTHREAD).
+  
+  Note that these macros are not used by the main library autoconf,
+  just by the tests (which share the same m4/ directory).
+
+- build: Add a code coverage option
+  
+  Configure with:
+    ./configure --enable-code-coverage
+  Show coverage output with:
+    make code-coverage-capture
+  
+  Built on m4/ax_code_coverage.m4 from the GNU autoconf archive
+  to provide the macros to check for presence of gcov + lcov;
+  upstream macro modified to:
+   - Remove use of $(AM_DEFAULT_VERBOSITY) , as earlier versions of
+     autoconf (such as the one used by default on Travis) do not have this.
+   - Rather than automatically defining CODE_COVERAGE_RULES to be a set
+     of makefile rules that use ifeq/endif (which is GNU make-specific),
+     instead only define CODE_COVERAGE_RULES if coverages is turned on,
+     and in that case don't use conditionals in the makefile.
+
+- api: Add entrypoints to allow use of per-server ports
+  
+  Add user-visible entrypoints ares_{get,set}_servers_ports(3), which
+  take struct ares_addr_port_node rather than struct ares_addr_node.
+  This structure includes a UDP and TCP port number; if this is set
+  to zero, the channel-wide port values are used as before.
+  
+  Similarly, add a new ares_set_servers_ports_csv(3) entrypoint, which
+  is analogous to ares_set_servers(3) except it doesn't ignore any
+  specified port information; instead, any per-server specified port
+  is used as both the UDP and TCP port for that server.
+  
+  The internal struct ares_addr is extended to hold the UDP/TCP ports,
+  stored in network order, with the convention that a value of zero
+  indicates that the channel-wide UDP/TCP port should be used.
+  
+  For the internal implementation of ares_dup(3), shift to use the
+  _ports() version of the get/set functions, so port information is
+  transferred correctly to the new channel.
+  
+  Update manpages, and add missing ares_set_servers_csv to the lists
+  while we're at it
+
+- api: Add ares_set_sortlist(3) entrypoint
+  
+  Allow explicit configuration of the channel's sortlist, by
+  specifying a string in the same format as the equivalent
+  /etc/resolv.conf option.
+  
+  This allows library users to perform the same configuration
+  that is available via /etc/resolv.conf, but without needing
+  to change that file.
+
+- api: Allow injection of user-specified malloc/free functions
+  
+  Add a new ares_library_init_mem() initialization function for the
+  library which allows the library user to specify their own malloc,
+  realloc & free equivalents for use library-wide.
+  
+  Store these function pointers in library-wide global variables,
+  defaulting to libc's malloc(), realloc() and free().
+  
+  Change all calls to malloc, realloc and free to use the function pointer
+  instead.  Also ensure that ares_strdup() is always available
+  (even if the local environment includes strdup(3)), and change the
+  library code to always use it.
+  
+  Convert calls to calloc() to use ares_malloc() + memset
+
+- api: Add option to expose some internal functions
+  
+  Purely for testing, add --enable-expose-statics option to configure
+  which converts some static internal functions to be externally visible.
+
+- api: Expose the ares_library_initialized() function
+
+- ahost: Allow repeated -s <domain> options
+  
+  This also removes a potential leak where later -s options would
+  replace earlier ones without freeing the relevant string.
+
+- Mark unhittable lines
+  
+  Add comments for the benefit of the lcov tool, marking
+  lines that cannot be hit.  Typically these are fall-back
+  protection arms that are already covered by earlier checks,
+  and so it's not worth taking out the unhittable code (in case
+  someone changes the code between the two places in future).
+
+- ares_set_servers_csv.3: make return type match code
+
+- bitncmp: update comment to match code behaviour
+
+- ares_striendstr: fix so non-NULL return can happen
+  
+  This looks to have been broken since it was first introduced in 2005 in
+  commit aba0b775ea30 ("Added ares_getnameinfo which mimics the
+  getnameinfo API")
+
+- config_sortlist: free any existing sortlist on (re)alloc failure
+  
+  If we get an allocation failure on 2nd or later entry in the sortlist, the
+  code would return ENOMEM but still leave the initial entries allocated.
+  Ensure that *sortlist is set to NULL whenever ENOMEM is returned.
+
+- ares_dup: clear new channel on failure
+  
+  If the attempt to transfer IPv6 servers from the old to the new channel
+  fails, the previous code would still return a channel to the user even though
+  an error return code was generated.  This makes it likely that users would
+  leak the channel, so explicitly clear the channel in this case.
+
+- ares_init_options: don't lose init failure
+  
+  If (say) init_by_options() fails, the subsequent call to
+  init_by_defaults() was overwriting the return code with
+  success.  Still call init_by_defaults() regardless, but track
+  its return value separately
+
+- ares_gethostbyname: don't leak valid-but-empty hostent
+  
+  If an AF_UNSPEC query gets a valid response to its AAAA query,
+  but which has no IPv6 addresses in it, then the code chains on to
+  a A record query.  However, the hostent from the AAAA response
+  was being leaked along the way (because it gets replaced before
+  the follow-on end_hquery() invocation).
+
+- ares_parse_txt_reply: propagate errors from per-substring loop
+  
+  If we get an allocation failure when processing a particular substring in a
+  TXT record, that failure is silently lost; fix that by propagating errors from
+  the inner loop to the outer loop.
+
+- process_answer: fix things up correctly when removing EDNS option
+  
+  When a server rejects an EDNS-equipped request, we retry without
+  the EDNS option.  However, in TCP mode, the 2-byte length prefix was
+  being calculated wrong -- it was built from the answer length rather than
+  the length of the original request.
+  
+  Also, it is theoretically possible that the call to realloc() might change
+  the data pointed to; to allow for this, qbuf also needs updating.
+  
+  (Both these fixes were actually included in a patchset sent on the mailing
+  list in Oct 2012, but were included with other functional changes that
+  didn't get merged:
+  http://c-ares.haxx.se/mail/c-ares-archive-2012-10/0004.shtml)
+
+- ares__read_line: clear buf pointer on realloc failure
+
+- ares_expand_name: check for valid bits in label length
+  
+  The top two bits of the label length indicate whether this is a
+  label length (00) or an index to a name elsewhere in the message
+  (11).  RFC1035 4.1.4 says that the other possible values for the
+  top two bits (01, 10) are reserved for future use.
+
+Daniel Stenberg (23 Jan 2016)
+- [Gregor Jasny brought this change]
+
+  Fix typos detected by lintian
+  
+  Closes #32
+
+- [Gregor Jasny brought this change]
+
+  Distribute all man pages
+
+- README.cares: s/I/Daniel
+  
+  ... and add a pointer to an existing version of the original area 1.1.1
+  package.a
+
+- read_tcp_data: don't try to use NULL pointer after malloc failure
+  
+  CID 56884, pointed out by Coverity. We really should make this function
+  return an error code so that a malloc() failure can return back a major
+  failure.
+
+- configure_socket: explicitly ignore return code
+  
+  CID 56889 in Coverity pointed out the return code from setsocknonblock()
+  is ignored, and this added typecast to (void) makes it explicit.
+
+- ahost: check the select() return code
+  
+  Fixes CID 137189, pointed out by Coverity
+
+David Drysdale (18 Jan 2016)
+- Fix buildconf on platforms using glibtoolize
+  
+  Commit c49a87eea538 changed buildconf to only check for
+  libtoolize, but missed a line
+
+- Don't exit loop early leaving uninitialized entries
+  
+  Update for commit affc63cba875d.
+  
+  The original patch from Gregor Jasny did not have the break
+  statement; I incorrectly added it to prevent continuing the loop.
+  However, the later entries in the array would then be left
+  uninitialized, causing problems for later cleanup.
+  
+  So fix to match Gregor's original patch, with apologies.
+
+Daniel Stenberg (18 Jan 2016)
+- buildconf: remove check for libtool, it only requires libtoolize
+
+David Drysdale (17 Jan 2016)
+- [Gregor Jasny brought this change]
+
+  Use libresolv to initialize cares on iPhone targets
+  
+  On iPhone targets like iOS, watchOS or tvOS the file
+  /etc/resolv.conf cannot be used to configure cares.
+  
+  Instead the resolver library is queried for configuration
+  values.
+  
+  CC: Yury Kirpichev <ykirpichev@yandex-team.ru>
+
+Daniel Stenberg (17 Jan 2016)
+- README: updated to new repo URL
+
+David Drysdale (14 Jan 2016)
+- [Lei Shi brought this change]
+
+  Fixing slow DNS lookup issue
+  
+  This patch is fixing the dns lookup issue due to dummy dns information
+  of a disconnected adapter(in my case is a bluetooth adapter). I changed
+  the dns lookup policy to try GetNetworkParams first because the
+  GetNetworkParams provides the most reliable dns information (lots of
+  checks were done by system). I also filter out inoperable adapter in
+  DNS_AdaptersAddresses in case GetNetworkParams fail.
+
+- Merge pull request #30 from p-push/vs-2015
+  
+  Support Visual Studio 2015
+
+Oleg Pudeyev (3 Jan 2016)
+- [Gisle Vanem brought this change]
+
+  Support Visual Studio 2015
+
+David Drysdale (11 Nov 2015)
+- [Andrew Andkjar brought this change]
+
+  added another version case to Makefile.msvc
+  
+  nmake version 11.00.61030.0 resolves to CC_VERS_NUM = 110
+
+- Merge pull request #26 from bitbouncer/vs-2013
+  
+  added define for visual studio 2013
+
+svante karlsson (25 Jun 2015)
+- added define for visual studio 2013
+
+Jakub Hrozek (6 Nov 2014)
+- ares__read_line: free buf on realloc failure
+
+- Destroy options if ares_save_options fails
+  
+  It's possible that, if ares_save_options failed, the opts structure
+  would contain some allocated memory. Calling ares_destroy_options in
+  this case is safe, because ares_save_options zeroes out the memory
+  initially.
+
+- [David Drysdale brought this change]
+
+  Continue loop if space for hostname not large enough
+  
+  When attempting to build a search domain from the local hostname
+  (used as a fallback when no other methods have given a search
+  domain), the code doubles the buffer size on each loop iteration.
+  
+  However, the loop previously had a WHILE_FALSE terminator so the continue
+  statement exited the loop rather than going round again.
+
+Daniel Stenberg (30 Oct 2014)
+- ares_getnameinfo.3: there is no ares_getaddrinfo
+
+David Drysdale (30 Sep 2014)
+- [Gregor Jasny brought this change]
+
+  Prevent tmpbuf from overrunning
+  
+  Fix Coverity error CID 56886.
+  
+  Signed-off-by: Gregor Jasny <gjasny@googlemail.com>
+
+- [Gregor Jasny brought this change]
+
+  Re-start loop if select fails
+  
+  Fix Coverity error CID 56882
+  
+  Signed-off-by: Gregor Jasny <gjasny@googlemail.com>
+
+- [Gregor Jasny brought this change]
+
+  Free temporary variable in error path
+  
+  Fix Coverity CID 56890
+  
+  Signed-off-by: Gregor Jasny <gjasny@googlemail.com>
+
+- [Gregor Jasny brought this change]
+
+  Fix integer shift overflow if both tcp_socket and udp_socket are set
+  
+  The problem occurs if at the start of the loop the sockindex is at the
+  last valid ARES_GETSOCK_MAXNUM position. If then both udp_socket and
+  tcp_socket are valid, sockindex gets incremented for UDP first and
+  points one entry behind the array for the tcp block.
+  So the fix is to check after every increment of sockindex if it is still
+  valid.
+  
+  Fix Coverity error CID 56878
+  
+  Signed-off-by: Gregor Jasny <gjasny@googlemail.com>
+
+- [Gregor Jasny brought this change]
+
+  Null check before dereference
+  
+  Fix Coverity error CID 56880
+  
+  Signed-off-by: Gregor Jasny <gjasny@googlemail.com>
+
+Jakub Hrozek (28 Jul 2014)
+- [Gisle Vanem brought this change]
+
+  Comment in ares_ipv6.h
+
+David Drysdale (25 Jul 2014)
+- CONTRIBUTING: add file to indicate mailing list is preferred
+
+- Add -t u option to ahost
+  
+  Add an option to allow specification of the AF_UNSPEC
+  address family.
+
+Jakub Hrozek (24 Jul 2014)
+- host_callback: Fall back to AF_INET on searching with AF_UNSPEC
+  
+  Previously, when an ares_gethostbyname() searched with AF_UNSPEC and the
+  first AF_INET6 call only returned CNAMEs, the host_callback never
+  retried AF_INET.
+  
+  This patch makes sure than on ARES_SUCCESS, the result of AF_INET6 is
+  taken as authoritative only if the result contains some addresses.
+
+- [David Drysdale brought this change]
+
+  Move memset call below platform-specific declarations
+  
+  A GitHub commenter [1] says that my recent change to ahost.c has
+  problems compiling on Windows + C89 platforms.
+  
+  [1]  https://github.com/bagder/c-ares/commit/ee22246507c9#commitcomment-6587616
+
+- [David Drysdale brought this change]
+
+  Update ahost man page to describe -s option.
+  
+  Commit ee22246507c9 added the -s <domain> option to the
+  ahost command, but neglected to update the man page to
+  describe it.
+  
+  Also fix typo in description of -t option.
+
+- ares_parse_soa_reply: Do not leak rr_name on allocation failure
+  
+  If ares_malloc_data failed, already allocated rr_name would go out of
+  scope.
+
+- [David Drysdale brought this change]
+
+  Don't override explicitly specified search domains
+  
+  Only set search domains from /etc/resolv.conf if there isn't a value
+  already present in the channel.
+
+- [David Drysdale brought this change]
+
+  Allow specification of search domain in ahost
+  
+  Add the "-s domain" command line option to override the search
+  domains.
+
+Daniel Stenberg (12 May 2014)
+- Revert "ares_parse_aaaa_reply: fix leak when reply contains 1 alias and no address"
+  
+  This reverts commit 440110b303fdbfadb3ad53d30eeb98cc45d70451.
+
+- [Frederic Germain brought this change]
+
+  ares_parse_aaaa_reply: fix leak when reply contains 1 alias and no address
+
+- [Doug Kwan brought this change]
+
+  ares_build.h: fix building on 64-bit powerpc
+  
+  There are two issues.
+  
+  1. gcc actually does not use __ppc__ and __ppc64__ but __PPC__ and
+  __PPC64__.  The tests of __ILP32__ and __LP64__ are sufficient for gcc.
+  
+  2. clang defines __GNU__ and defines both __ppc64__ and __ppc__ when
+  targeting ppc64.  This makes CARES_SIZEOF_LONG to be 4 on a ppc64 system
+  when building with clang.
+  
+  My patch is two change the order of the checks so that we check the
+  64-bit case first.
+
+- refresh: updated now with automake 1.14
+
+- [David Drysdale brought this change]
+
+  single_domain: Invalid memory access for empty string input
+  
+  We noticed a small buglet in ares_search() when it gets an empty string
+  as input -- the single_domain() utility function in ares_search.c
+  accesses invalid memory (before the start of the string).
+
+Guenter Knauf (31 Aug 2013)
+- Fixed warning 'type specifier missing'.
+
+Daniel Stenberg (30 Aug 2013)
+- [Tor Arntsen brought this change]
+
+  ares_rules.h: CARES_SIZEOF_LONG doesn't exist anymore, don't test for it
+  
+  It was removed in f19387dd72432
+
+- nowarn: use <limits.h> instead of configure for size of long
+  
+  This makes the header file much more multi-arch friendly and can be used
+  as-is with both 32 bit and 64 bit builds.
+
+- timeoffset: made static and private
+  
+  ares__timeoffset() was only used once within this single source file
+
+- timeadd: make static
+  
+  ares__timeadd() was only ever used from within the same source
+
+Yang Tse (18 Jul 2013)
+- xc-am-iface.m4: comments refinement
+
+- configure: fix 'subdir-objects' distclean related issue
+  
+  See XC_AMEND_DISTCLEAN comments for details.
+
+- configure: automake 1.14 compatibility tweak (use XC_AUTOMAKE)
+
+- xc-am-iface.m4: provide XC_AUTOMAKE macro
+
+Daniel Stenberg (12 May 2013)
+- gitignore: ignore all ares_*pdf but also CHANGES.dist
+
+- bump: start working towards 1.10.1
+
+Version 1.10.0 (12 May 2013)
+
+Daniel Stenberg (12 May 2013)
+- RELEASE-NOTES: two more bug fixes
+
+- [Keith Shaw brought this change]
+
+  ares_set_servers_csv: fixed IPv6 address parsing
+  
+  Fixed bug that caused the last part of an IPv6 address to be parsed as
+  the port number when the last part is all numeric.
+
+- nroff: fix two syntax mistakes
+  
+  ares_parse_a_reply and ares_parse_aaaa_reply both had two \fB instead of
+  \fP
+  
+  Reported-by: Alexander Klauer
+  Bug: http://c-ares.haxx.se/mail/c-ares-archive-2013-03/0010.shtml
+
+- [Alex Loukissas brought this change]
+
+  build: fix build on msvc11
+
+- Makefile.am: increment -version-info for 1.10.0 release
+
+- README: remove unnecessary comment
+
+- ares_version.h: copyright end range year is now 2013
+
+- RELEASE-NOTES: synced with fb0737f3a0a1c37
+
+- [Paul Saab brought this change]
+
+  ares_parse_aaaa_reply: Plug memory leak
+  
+  This change is similar to ares_parse_a_reply.c in commit
+  bffd67f16a8f42fe6dbf79ab2e39d92eea05c8a6
+
+- [Patrick Valsecchi brought this change]
+
+  ares_parse_txt_reply: return a ares_txt_reply node for each sub-string
+  
+  Previously, the function would wrongly return all substrings merged into
+  one.
+
+- [Alexander Klauer brought this change]
+
+  library init: documentation update
+  
+  This commit updates the documentation of ares_library_init() and
+  ares_library_cleanup() with regard to the newly introduced reference
+  counting of initializations and deinitializations.
+
+- [Alexander Klauer brought this change]
+
+  library init: be recursive
+  
+  Previously, a single call to ares_library_cleanup() would deinitialise
+  the c-ares library, regardless of how many times ares_library_init() was
+  called. This behaviour may cause problems in programs linking two or
+  more libraries which, in turn, use c-ares. The present commit fixes this
+  problem, deinitializing the library only after a number of calls to
+  ares_library_cleanup() matching the number of calls to
+  ares_library_init().
+
+- [Patrick Valsecchi brought this change]
+
+  protocol parsing: check input data stricter
+  
+  ... so that bad length fields aren't blindly accepted
+  
+  Bug: http://c-ares.haxx.se/mail/c-ares-archive-2013-04/0016.shtml
+
+Guenter Knauf (11 Apr 2013)
+- Create ares_build.h when buidling from Git.
+
+- Added -DCARES_STATICLIB to CFLAGS.
+  
+  Currently this static makefile does only support building the
+  static library libcares.a.
+
+Daniel Stenberg (8 Apr 2013)
+- [Alexander Klauer brought this change]
+
+  .gitignore: ignore patch files
+  
+  This commit adds a line to .gitignore to the effect that patch files
+  generated by 'git format-patch' are excluded from the repository.
+
+- [Alexander Klauer brought this change]
+
+  ares_destroy() documentation: no new requests
+  
+  Clarify that no new requests may be added to a resolver channel that is
+  currently being destroyed.
+
+- [Alexander Klauer brought this change]
+
+  Documentation: properly document ARES_ECANCELLED
+  
+  This commit clarifies the behaviour of ares_cancel() with respect to
+  callbacks and adds missing documentation of ARES_ECANCELLED to the man
+  pages of the affected functions.
+
+- [Alexander Klauer brought this change]
+
+  ares_cancel(): cancel requests safely
+  
+  An invocation of ares_cancel() walks through the request list, calling
+  the callbacks of all pending requests on a channel. Previously, if such
+  a callback added a new request to the channel, the request list might
+  not end up empty, causing an abort by assertion failure. The present
+  commit ensures that precisely all requests present upon entry of
+  ares_cancel() are cancelled, and that adding new requests through
+  callbacks is safe.
+
+Yang Tse (10 Mar 2013)
+- ares.h: stricter CARES_EXTERN linkage decorations logic
+  
+  No API change involved.
+
+- ares_build.h.dist: enhance non-configure GCC ABI detection logic
+  
+  GCC specific adjustments:
+  
+  - check __ILP32__ before 32 and 64bit processor architectures in
+    order to detect ILP32 programming model on 64 bit processors
+    which, of course, also support LP64 programming model, when using
+    gcc 4.7 or newer.
+  
+  - keep 32bit processor architecture checks in order to support gcc
+    versions older than 4.7 which don't define __ILP32__
+  
+  - check __LP64__ for gcc 3.3 and newer, while keeping 64bit processor
+    architecture checks for older versions which don't define __LP64__
+
+Daniel Stenberg (9 Mar 2013)
+- ares.h: there is no ares_free_soa function
+
+Yang Tse (9 Mar 2013)
+- Makefile.am: empty AM_LDFLAGS definition for automake 1.7 compatibility
+
+- ares_inet_ntop.3: s/socklen_t/ares_socklen_t
+
+- configure: use XC_LIBTOOL for portability across libtool versions
+
+- xc-lt-iface.m4: provide XC_LIBTOOL macro
+
+- Makefile.am: use AM_CPPFLAGS instead of INCLUDES
+
+- inet_ntop.c: s/socklen_t/ares_socklen_t
+
+- inet_ntop.c: s/socklen_t/ares_socklen_t for portability
+
+Daniel Stenberg (19 Feb 2013)
+- ares.h: s/socklen_t/ares_socklen_t for portability
+
+- ares_inet_ntop.3: 4th argument is socklen_t!
+
+- spell inet correctly!
+
+- ares_inet_pton/ntop: cleanup
+  
+  Make sure that the symbols are always exported and present in c-ares.
+  
+  Make the headers prefixed with 'ares'.
+  
+  Removed the inet_ntop.h version as it no longer features any content.
+
+- ares_inet_ntop/ares_inet_pton: added man pages
+
+Yang Tse (15 Feb 2013)
+- [Gisle Vanem brought this change]
+
+  curl_setup_once.h: definition of HAVE_CLOSE_S defines sclose() to close_s()
+
+- [Gisle Vanem brought this change]
+
+  config-dos.h: define HAVE_CLOSE_S for MSDOS/Watt-32
+
+- [Gisle Vanem brought this change]
+
+  config-dos.h: define strerror() to strerror_s_() for High-C
+
+Daniel Stenberg (13 Feb 2013)
+- ares_get_datatype: removed unused function
+  
+  it was also wrongly named as internal functions require two underscores
+
+- ares__bitncmp: use two underscores for private functions
+  
+  It used a single one previously making it look like a public one
+
+- ares__generate_new_id: moved to ares_query.c
+  
+  ... and ares__rc4 is turned into a local static function.
+
+- ares__swap_lists: make private and static
+  
+  ... since there's only one user, make it static within ares_process.c
+
+Yang Tse (13 Feb 2013)
+- Makefile.msvc: add four VS version strings
+
+Daniel Stenberg (13 Feb 2013)
+- ares_expand_name.3: clarify how to free the data
+
+Yang Tse (30 Jan 2013)
+- zz40-xc-ovr.m4: fix 'wc' detection - follow-up 2
+  
+  - Fix a pair of single quotes to double quotes.
+  
+  URL: http://curl.haxx.se/mail/lib-2013-01/0355.html
+  Reported by: Tor Arntsen
+
+- zz40-xc-ovr.m4: fix 'wc' detection - follow-up
+  
+  - Take into account that 'wc' may return leading spaces and/or tabs.
+  
+  - Set initial IFS to space, tab and newline.
+
+- zz40-xc-ovr.m4: fix 'wc' detection
+  
+  - Take into account that 'wc' may return leading spaces.
+  
+  - Set internationalization behavior variables.
+  
+  Tor Arntsen analyzed and reported the issue.
+  
+  URL: http://curl.haxx.se/mail/lib-2013-01/0351.html
+
+- zz40-xc-ovr.m4: check another three basic utilities
+
+- zz40-xc-ovr.m4: 1.0 interface stabilization
+  
+  - Stabilization results in 4 public interface m4 macros:
+    XC_CONFIGURE_PREAMBLE
+    XC_CONFIGURE_PREAMBLE_VER_MAJOR
+    XC_CONFIGURE_PREAMBLE_VER_MINOR
+    XC_CHECK_PATH_SEPARATOR
+  - Avoid one level of internal indirection
+  - Update comments
+  - Drop XC_OVR_ZZ40 macro
+
+- zz40-xc-ovr.m4: emit witness message in configure BODY
+  
+  This avoids witness message in output when running configure --help,
+  while sending the message to config.log for other configure runs.
+
+- zz40-xc-ovr.m4: truly do version conditional overriding
+  
+  - version conditional overriding
+  - catch unexpanded XC macros
+  - fix double words in comments
+
+- zz40-xc-ovr.m4: fix variable assignment of subshell output bashism
+  
+  Tor Arntsen analyzed and reported the issue.
+  
+  URL: http://curl.haxx.se/mail/lib-2013-01/0306.html
+
+- zz40-xc-ovr.m4: reinstate strict AC_REQUIRE macro dependencies
+
+- zz40-xc-ovr.m4: avoid double single-quote usage
+
+- zz40-xc-ovr.m4: parentheses balancing of 'case' statements
+  
+  m4 quadrigraph shell comment technique allows proper autoconf
+  parentheses balancing in shell 'case' statements. The presence
+  of unbalanced parentheses may otherwise trigger expansion bugs.
+
+- zz40-xc-ovr.m4: internals overhauling
+  
+  - Update comments
+  - Execute commands in subshells
+  - Faster path separator check
+  - Fix missing 'test' command
+  - Rename private macros
+  - Minimize AC_REQUIRE usage
+
+- zz40-xc-ovr.m4: redirect errors and warnings to stderr
+
+- configure: use XC_CONFIGURE_PREAMBLE early checks
+  
+  Some basic checks we make were placed early enough in generated
+  configure script when using autoconf 2.5X versions. Newer autoconf
+  versions expand these checks much further into the configure script,
+  rendering them useless. Using XC_CONFIGURE_PREAMBLE fixes placement
+  of early intended checks across all our autoconf supported versions.
+
+- zz40-xc-ovr.m4: provide XC_CONFIGURE_PREAMBLE macro
+
+- configure: autotools compatibility fixes - step I
+  
+  Fix proper macro expansion order across autotools versions for
+  C compiler and preprocessor program checks.
+
+- configure: fix automake 1.13 compatibility
+  
+  Tested with:
+  
+  buildconf: autoconf version 2.69
+  buildconf: autom4te version 2.69
+  buildconf: autoheader version 2.69
+  buildconf: automake version 1.13.1
+  buildconf: aclocal version 1.13.1
+  buildconf: libtool version 2.4
+  buildconf: GNU m4 version 1.4.16
+
+- ares_private.h: use again memdebug.h instead of curl_memdebug.h
+
+- configure.ac: replace AM_CONFIG_HEADER with AC_CONFIG_HEADERS
+  
+  automake 1.13 errors if AM_CONFIG_HEADER is used in configure script.
+
+- cares-override.m4: provide AC_CONFIG_MACRO_DIR definition conditionally
+  
+  Provide a 'traceable' AC_CONFIG_MACRO_DIR definition only when using
+  an autoconf version that does not provide it, instead of what we were
+  doing up to now of providing and overriding AC_CONFIG_MACRO_DIR for
+  all autoconf versions.
+
+- ares_private.h: use curl_memdebug.h instead of memdebug.h
+
+- vc6cares.dsp: add ares_create_query.c and ares_parse_soa_reply.c
+
+- cares-functions.m4: improve gethostname arg 2 data type check
+
+- setup_once.h: HP-UX specific 'bool', 'false' and 'true' definitions.
+  
+  Also reverts commit bceb40095a
+
+- configure: check if compiler halts on function prototype mismatch
+
+- cares-functions.m4: add gethostname arg 2 data type check and definition
+
+- cares-functions.m4: update thread-safeness detection of getaddrinfo()
+  
+  Take in account that POSIX standard Issue 7 drops h_errno support. Now, we also
+  consider getaddrinfo() to be thread-safe when (_POSIX_C_SOURCE >= 200809L) or
+  (_XOPEN_SOURCE >= 700) independently of whether h_errno exists or not.
+  
+  Take in account that h_errno might be a modifiable lvalue not defined as
+  a C preprocessor macro.
+
+- setup_once.h: HP-UX <sys/socket.h> issue workaround
+  
+  Issue: When building a 32bit target with large file support HP-UX
+  <sys/socket.h> header file may simultaneously provide two different
+  sets of declarations for sendfile and sendpath functions, one with
+  static and another with external linkage. Given that we do not use
+  mentioned functions we really don't care which linkage is the
+  appropriate one, but on the other hand, the double declaration emmits
+  warnings when using the HP-UX compiler and errors when using modern
+  gcc versions resulting in fatal compilation errors.
+  
+  Mentioned issue is now fixed as long as we don't use sendfile nor
+  sendpath functions.
+
+- setup_once.h: refactor inclusion of <unistd.h> and <sys/socket.h>
+  
+  Inclusion of these two header files now done in setup_once.h
+
+- Header inclusion clean-up
+  
+  Remove header inclusions already done in setup_once.h
+
+- setup_once.h: HP-UX specific TRUE and FALSE definitions
+  
+  Some HP-UX system headers require TRUE defined to 1 and FALSE to 0.
+
+- ares_timeout.c: fix compiler warning
+
+- ares_create_query.c: IRIX compilation fix
+
+- c-ares/nameser.h: add some T_* defines for ns_t_* values
+
+Daniel Stenberg (7 Nov 2012)
+- Revert "ares_parse_aaaa_reply: fix memory leak"
+  
+  This reverts commit 50f25d8a4b2d16f4c5e0ef620238688b7a315c7a.
+
+- ares_parse_aaaa_reply: fix memory leak
+  
+  an allocated buffer was not freed in the successful case.
+
+- [Gisle Vanem brought this change]
+
+  adig: perror() doesn't work for socket errors on windows
+  
+  ... so print the SOCKERRNO instead
+
+- get_DNS_AdaptersAddresses: fix IPv6 parsing
+  
+  Use of the wrong define made the function not parse IPv6 addresses
+  properly.
+  
+  Bug: http://c-ares.haxx.se/mail/c-ares-archive-2012-06/0028.shtml
+  Reported by: Saúl Ibarra Corretgé
+
+- version: bumped to 1.10.0
+  
+  Due to the newly added function: ares_create_query()
+
+- AUTHORS: synced with 83093ac450
+  
+  Added 21 authors since this document was last updated
+
+- ares_create_query.3: mention when this is added
+
+- [hpopescu@ixiacom.com brought this change]
+
+  Added new feature (rfc2671)
+
+- code police: fix indents, < 80 columns, reflowed comments
+
+Guenter Knauf (11 Jul 2012)
+- Cleaned up version awk script.
+
+Daniel Stenberg (30 Jun 2012)
+- [Gisle Vanem brought this change]
+
+  read_udp_packets: bail out loop on bad sockets
+  
+  I can see that recvfrom() in ares_process.c many times is called with
+  'udp_socket' == ARES_SOCKET_BAD. The code takes care not to call
+  recv/recvfrom with ARES_SOCKET_BAD in the outer-loop. So should the
+  inner-loop.
+
+Yang Tse (29 Jun 2012)
+- cares-compilers.m4: remove -Wstrict-aliasing=3 from clang
+  
+  Currently it is unknown if there is any version of clang that
+  actually supports -Wstrict-aliasing. What is known is that there
+  are several that don't support it.
+
+- cares-compilers.m4: -Wstrict-aliasing=3 for warning enabled gcc and clang builds
+
+Daniel Stenberg (18 Jun 2012)
+- version: work towards 1.9.2 (at least)
+
+Version 1.9.1 (18 Jun 2012)
+
+Daniel Stenberg (18 Jun 2012)
+- RELEASE-NOTES: 1.9.1 coming up
+
+Version 1.9.0 (16 Jun 2012)
+
+Daniel Stenberg (16 Jun 2012)
+- ares_version.h: next version is 1.9.0
+
+- [Marko Kreen brought this change]
+
+  ares_data.h: ARES_DATATYPE_SOA_REPLY is added in 1.9.0
+
+- RELEASE-NOTES: synced with 979bf951d
+  
+  Next release deemed to become 1.9.0 due to the new function
+
+- [Marko Kreen brought this change]
+
+  SOA parser added
+  
+  I need to do SOA queries, so here is a parser for them.
+  
+  - ares_soa_reply: new struct
+  - ares_malloc_data/ares_free_soa: ARES_DATATYPE_SOA_REPLY
+  - ares_parse_soa_reply: actual function
+
+Yang Tse (14 Jun 2012)
+- Kill compiler warning
+
+- Fix libcares.pc generation for static MingW* cross builds
+
+Daniel Stenberg (21 May 2012)
+- [Nick Alcock brought this change]
+
+  Fix UDP and TCP port byte order in saved options.
+  
+  The UDP and TCP port are stored in network byte order in the
+  ares_channeldata, but are passed in to ares_init_options() in host byte
+  order.  Thus we must return them from ares_save_options() in host byte
+  order too, or a duplicated channel will convert them again, leading to a
+  nonfunctional channel and a mysterious connection refused error from
+  ares_gethostbyname().  This breaks ares_dup(), thus the curl easy API
+  when c-ares is used by curl, and thus all the curl easy API's users.
+
+Yang Tse (28 Apr 2012)
+- version: start working on 1.8.1-DEV
+
+Version 1.8.0 (27 Apr 2012)
+
+Daniel Stenberg (27 Apr 2012)
+- RELEASE-NOTES: call next 1.8 instead
+  
+  Since we added a function, let's use a stricter bumping scheme
+
+Yang Tse (25 Apr 2012)
+- INSTALL: some adjustments
+
+Daniel Stenberg (25 Apr 2012)
+- GIT-INFO: mention buildconf
+
+Yang Tse (25 Apr 2012)
+- INSTALL: remove more sections that don't apply to c-ares
+
+- ares_timeout.c: fix compiler warning
+
+Daniel Stenberg (25 Apr 2012)
+- [Ben Noordhuis brought this change]
+
+  Makefile.m32: fix mingw32 build
+  
+  * add . to include path so ares_build.h is picked up
+  * make ar configurable to ease cross-compiling
+
+- RELEASE-NOTES: added what's happened since 1.7.5
+
+Guenter Knauf (22 Apr 2012)
+- Updated copyright year.
+
+Yang Tse (21 Apr 2012)
+- ares_init.c: Further refactoring of Windows system's DNS fetching code
+
+Guenter Knauf (20 Apr 2012)
+- Android: small changes to dns property part.
+  
+  Prefix prop vars; kill var; use DNS_PROP_NAME_PREFIX macro.
+
+- Handle CNAME-only in ares_parse_aaaa_reply().
+  
+  posted to the c-ares list by Peter Griess <pg@std.in>.
+
+- Add support for multiple DNS servers on Android.
+  
+  Before, c-ares always used the first DNS server on Android, causing
+  network problems if this DNS server was not available.
+  
+  Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
+
+- Added INSTALL so it gets into tarballs.
+
+- Added some more ifdefs to silent compiler warnings.
+
+Yang Tse (17 Apr 2012)
+- INSTALL: remove a non c-ares section
+
+- cares-compilers.m4: -Wno-pedantic-ms-format for Windows gcc 4.5 builds
+  
+  When building a Windows target with gcc 4.5 or newer and strict compiler
+  warnings enabled use -Wno-pedantic-ms-format in addition to other flags.
+
+- setup_once.h: tighten requirements for stdbool.h header inclusion
+  
+  Include stdbool.h only when it is available and configure is capable of
+  detecting a proper 'bool' data type when the header is included.
+
+- configure: NATIVE_WINDOWS no longer defined in config file
+
+- cares-compilers.m4: double underscore decoration for visibility attribute
+
+- build adjustments: CARES_SYMBOL_HIDING no longer defined in config files
+  
+  configure script now provides conditional definitions for Makefile.am
+  that result in CARES_SYMBOL_HIDING being defined by resulting makefiles
+  when appropriate.
+
+- configure: Windows cross-compilation fixes
+  
+  CARES_BUILDING_LIBRARY and CARES_STATICLIB no longer defined in ares_config.h,
+  configure will generate appropriate conditionals so that mentioned symbols
+  get defined and used in Makefile derived from Makefile.am at compilation time.
+
+Guenter Knauf (17 Apr 2012)
+- Added INSTALL file adapted from libcurl.
+  
+  Not yet ready, and needs further edits.
+
+Yang Tse (16 Apr 2012)
+- ares_init.c: get_iphlpapi_dns_info() refactoring
+
+Guenter Knauf (16 Apr 2012)
+- Kill some more compiler warnings.
+
+- Kill compiler warning about unused var.
+
+- Fixed my last commit: wrong preprocessor directive.
+
+- Check for __ANDROID__ in addition to ANDROID macro.
+
+- Check for __ANDROID__ in addition to ANDROID macro.
+  
+  Posted to c-ares list by Wayne.
+
+- Fix for Android to disable useless arpa/nameser.h.
+
+- Fix for Android to include sys/select.h for fd_set.
+
+Yang Tse (17 Mar 2012)
+- ares_data.c: some NAPTR related fixes
+
+Daniel Stenberg (16 Mar 2012)
+- port numbers: convert them to network order!
+  
+  When the config options ARES_OPT_UDP_PORT or ARES_OPT_TCP_PORT are used,
+  make sure to convert them to network byte order!
+  
+  Bug: http://c-ares.haxx.se/mail/c-ares-archive-2012-02/0004.shtml
+
+- white space cleanup
+  
+  - Keep code within 80 columns
+  
+  - Removed funny spaces after open paren and before closing paren
+
+- [Poul Thomas Lomholt brought this change]
+
+  get_iphlpapi_dns_info: fix buffer overrun
+  
+  I experienced a buffer overrun exception in c-ares on Windows and
+  tracked it down to be an error in the calculation of the 'left' variable
+  in get_iphlpapi_dns_info().
+  
+  I changed the variable type of 'left' to a _signed_ type because of the
+  subtraction arithmetic; not sure if a long is the best choice
+
+- Merge pull request #7 from saghul/naptr
+  
+  Added support for parsing NAPTR records
+
+saghul (23 Feb 2012)
+- Added support for parsing NAPTR records
+
+Yang Tse (19 Jan 2012)
+- ares_init.c: fix compiler warning on winsock builds
+
+- configure: libtool 1.5 tweaks
+
+Daniel Stenberg (19 Dec 2011)
+- ares_timeout.3: fix the NAME section
+  
+  It was clearly a copy n' paste error
+
+Yang Tse (27 Sep 2011)
+- [Albert Chin brought this change]
+
+  configure - m4: make CURL_CHECK_DEF ignore leading whitespace on symbol def
+  
+  When using Sun C compiler the preprocessor somehow inserts an extra space
+  in front of replaced symbol, breaking CURL_CHECK_DEF macro. To workaround
+  this, macro CURL_CHECK_DEF now ignores all leading whitespace in front of
+  symbol substitution result.
+
+- ares_init.c: fix segfault triggered in ares_init_options() upon previous
+               failure of init_by_defaults() and incomplete cleanup there.
+
+- ares_process.c: fix compiler warning
+
+- fix MSVC compiler warning 'conditional expression is constant'
+
+- setup_once.h cleanup and sync
+
+- [Denis Bilenko brought this change]
+
+  ares_getnameinfo: fix random results with c-ares 1.7.5
+  
+  In ares_getnameinfo memcpy did not copy enough bytes, causing
+  it to return arbitrary memory contents as a result.
+
+- warnings: fix another 'conversion may lose significant bits' compiler warning
+
+- ares_dns.h: adjust DNS__16BIT and DNS__32BIT macro definitions
+  
+  Fixing compiler warnings existing definitions triggered on these.
+
+- ares_destroy.c: fix segfault in ares_destroy_options()
+
+Daniel Stenberg (21 Aug 2011)
+- ares_parse_srv_reply: silence compiler warnings
+  
+  ... by adding ugly typecasts.
+
+- CHANGES: generate from script
+  
+  The CHANGES file is now generated automatically with 'git2changes.pl',
+  invoked by the maketgz script which is used to build release archives.
+  
+  The former human edited CHANGES file was renamed to CHANGES.0 in git.
+
+Yang Tse (21 Aug 2011)
+- Makefile.netware: SIZEOF_SHORT definition
+
+- warnings: fix some 'conversion may lose significant bits' compiler warnings
+
+- configure: fix symbol hiding usability check
+  
+  A more thorough test is done now in order to determine visibility attribute
+  usability, given that some compilers don't support visibility attribute on
+  all configurations.
+
+Daniel Stenberg (16 Aug 2011)
+- 1.7.6: start working...
+
+Version 1.7.5 (16 Aug 2011)
+
+Daniel Stenberg (16 Aug 2011)
+- CHANGES: synced for 1.7.5 release
+
+- RELEASE-NOTES: synced with bb4096effef7f000
+
+Jakub Hrozek (15 Aug 2011)
+- Only fall back to AF_INET searches when looking for AF_UNSPEC addresses
+
+Yang Tse (10 Aug 2011)
+- [Gisle Vanem brought this change]
+
+  ares_iphlpapi.h: Watcom C fix
+  
+    Added "!defined(_WS2DEF_)" since Watcom doesn't have
+    a per type guard for the typedefs 'CSADDR_INFO' (that MingW has) or
+    'SOCKET_ADDRESS' (that MSVC has). But we can use the header-guard for
+    <ws2def.h> instead.
+
+- [Gisle Vanem brought this change]
+
+  Makefile.Watcom:
+    * The 'NTDDI_VERSION' needs to be raised to 0x05010000
+      in order for SOCKADDR_STORAGE etc. to be typedefed.
+    * Replaced '-dUSE_WATT32' with '-dWATT32'.
+    * Added $(DEMOS) to the 'all' target and removed the 'demos'
+      target to be consistent with e.g. Makefile.msvc etc.
+    * 'ENABLE_IPV6' is no longer used. Hence removed the '%use_ipv6' construct.
+    * object-file order seems to be important (Watcom v.19). Hence
+      'ares_getopt.obj' must be put after the .obj that references getopt().
+
+- cares-compilers.m4: CARES_CONVERT_INCLUDE_TO_ISYSTEM adjustments
+  
+  Add CARES_CHECK_COMPILER as a requirement.
+  
+  Ensure macro does nothing unless GNU_C or CLANG compiler is used.
+  
+  This should allow usage of this macro in unforeseen placements.
+
+- config-win32.h: comments adjustments - followup
+
+- config-win32.h: comments adjustments
+
+Daniel Stenberg (5 Aug 2011)
+- [Tom Hughes brought this change]
+
+  ares_parse_a_reply: fix memleak
+
+Yang Tse (29 Jul 2011)
+- cares-functions.m4 serial # bump
+
+- Revert "configure: additional flag checks for fcntl() and socket()"
+  
+  This reverts commit 5f2a3b0e48f26d24cb1fefea0dccb92d417dcbf7.
+
+- configure: additional flag checks for fcntl() and socket()
+
+- xc-translit.m4 fix quoting
+
+- configure: avoid direct usage of AS_TR_* macros
+
+- xc-translit.m4 provides transliteration macros with well defined behavior.
+
+Jakub Hrozek (15 Jun 2011)
+- Revert "Only fall back to AF_INET searches when looking for AF_UNSPEC addresses"
+  
+  This reverts commit b5823d65706af687c0e5110af8f0cfdcd068997d.
+  
+  This patch was not reviewed properly before pushing
+
+- Revert "Do not use sized constants in public headers"
+  
+  This reverts commit 22c01e96f7b2ae9923e1baa50bfe3c0d22297a7d.
+  
+  This is a Red Hat specific patch that does not belong into upstream
+
+- Use correct sizeof in ares_getnameinfo()
+
+- Do not leak rr_name on failures inside ares_parse_ptr_reply
+
+- Do not leak rr_name on failures inside ares_parse_a_reply
+
+- Do not leak rr_name on failures inside ares_parse_aaaa_reply
+
+- Do not leak rr_name on failures inside ares_parse_ns_reply
+
+- Fix incorrect sizeof() in ares_save_options
+
+- Fix incorrect allocation in ares_parse_ptr_reply()
+
+- Only fall back to AF_INET searches when looking for AF_UNSPEC addresses
+
+- Do not use sized constants in public headers
+
+Daniel Stenberg (13 Jun 2011)
+- [Jakub Hrozek brought this change]
+
+  ares_free_hostent(NULL) should be a noop
+
+Yang Tse (8 Jun 2011)
+- configure: fix recvfrom 5th arg type qualifier detection (followup)
+
+- configure: fix recvfrom 5th arg type qualifier detection
+  
+  Additionally remove whitespace from EOL
+
+Daniel Stenberg (4 Jun 2011)
+- strlen: use size_t to receive the return
+
+Yang Tse (4 Jun 2011)
+- xlc: avoid preprocessor definition usage when linking
+
+- ares_nowarn: icc 9.1 workaround
+
+- ares_nowarn: header inclusion fix
+
+- ares_init: make ares_private.h last included header again
+
+- compiler warning: fix
+  
+  Fix compiler warning: conversion may lose significant bits
+
+- compiler warning: fix
+  
+  Fix compiler warning: variable was set but never used
+  
+  Fix compiler warning: clobber ignored
+
+- ares_iphlpapi: fix compiler warnings
+
+- winsock: compilation fixes
+  
+  Provide winsock iphlpapi alternative definitions to prevent compilation
+  failures when using a variety of winsock header implementations.
+
+Daniel Stenberg (17 May 2011)
+- [David Stuart brought this change]
+
+  IPv6-on-windows: find DNS servers correctly
+
+- man pages: docs for the c-ares utility programs
+
+- ares_parse_ns_reply.c: remove CVSism
+
+Yang Tse (27 Mar 2011)
+- build: fix header inclusion
+
+- getservbyport replacement for Win CE
+
+- renamed getplatform() to ares__getplatform() to avoid namespace pollution
+
+- configure: fix libtool warning
+  
+  Recent versions of libtool are now tracing usage of AC_CONFIG_MACRO_DIR
+  macro and warn heavily when not used in configure script along with
+  ACLOCAL_AMFLAGS in Makefile.am.  So in order to make libtool happy
+  while keeping backwards compatibility this is added.
+
+- adig: RFC4034 resource record type detection
+  
+  Can be tested with: adig -s 8.8.8.8 -t ANY example.com
+
+- nameser.h: RFC4034 resource record type definitions
+
+- build: move platform stuff to ares_platform.c and ares_platform.h
+
+- build: find out windows platform using GetVersionEx()
+
+- build: use getenv() replacement function for systems which lack it
+
+- setup_once: system error codes for Windows CE
+
+- ares_search: use ERRNO macro for portability sake
+
+- System's errno.h inclusion cleanup follow-up.
+  
+  System's errno.h is conditionally included from setup_once.h
+
+- Windows CE specific adjustment
+  
+  All versions of Windows CE support Winsock 1.1
+
+- System's errno.h inclusion cleanup.
+  
+  System's errno.h is conditionally included from setup_once.h
+
+- ares_init: fix gethostname error detection on winsock platforms
+
+- configure: r-enable temporarily disabled detection of system's inet_ntop()
+  
+  Detection was temporarily disabled in commit 674e044ccb21f2f63537da53565fce868f
+
+Daniel Stenberg (15 Mar 2011)
+- configure: stop using the deprecated AM_INIT_AUTOMAKE syntax
+
+- [Gisle Vanem brought this change]
+
+  Watt-32: use errno
+  
+  Make sure Watt-32 programs use 'errno' even on Win32 targets
+
+Guenter Knauf (18 Feb 2011)
+- Removed commented CLFAGS no longer needed.
+
+- Fixed CFLAGS for NetWare.
+  
+  Added -m32 to enable compilation with x86_64 compilers;
+  added conditional to set -fpcc-struct-return only for gcc compiler.
+
+Daniel Stenberg (18 Feb 2011)
+- [Gisle Vanem brought this change]
+
+  Watt32: fix server init
+  
+  Somewhere in the process, programs using the Watt-32 tcp/ip stack
+  stopped working.
+
+- [Dima Tisnek brought this change]
+
+  config_sortlist: (win32) missing else
+  
+  Without an else there, contents of "pat" that could have been
+  successfully set just above, may be clobbered by successive unsuccessful
+  calls to "xxx_pton" or "ip_addr".
+
+Yang Tse (17 Jan 2011)
+- Makefile.msvc: add a couple of VS version strings
+
+- Makefile.msvc: add a couple of VS version strings
+
+- build: add install target to Makefile.msvc
+
+Daniel Stenberg (27 Dec 2010)
+- ares_set_servers_csv: remove unused variables
+
+- init_by_resolv_conf: fix compiler warnings
+  
+  The code received the return codes in the 'status' variable without
+  using it. Instead we just ignore those particular errors.
+
+- getv4: Value stored to 'dst' is never read
+
+- advance_tcp_send_queue: avoid NULL ptr dereference
+  
+  If given a too large 'num_bytes' value, it would cause a NULL ptr
+  dereference. Instead the code will now break out of the loop at the end
+  of the list.
+
+- [Peter Pentchev brought this change]
+
+  configure: fix a bashism
+
+- cleanup: avoid unsafe typecasts
+  
+  Avoid the risk of reading 16bit data from an unaligned address by using
+  a macro that is adapted for this.
+
+- [Stefan Bühler brought this change]
+
+  ares_expand_name: Fix encoded length for indirect root
+
+Yang Tse (18 Dec 2010)
+- build: add some explicit file references to VS project files
+
+- config-win32: provide HAVE_ASSERT_H definition
+
+- build: include ares_nowarn in sample program VS project files
+
+- build: include ares_nowarn among SAMPLESOURCES and SAMPLEHEADERS
+
+- configure: temporarily disable detection of system's inet_ntop()
+  
+  This is done to allow compilation of ares_inet_ntop() by some daily
+  builds picky compilers that otherwise do not need this function.
+
+- changes: mention last fix
+
+- ares_inet_ntop: remove definition and usage of macro SPRINTF
+  
+  Existing definition of SPRINTF always resulted in sprintf() being used,
+  and sprintf() returning 'int' is already used throughout the library.
+
+- ares_inet_ntop: reapply changes from previous c-ares version (III)
+  
+  - Replace 'u_char' with 'unsigned char'.
+  - Replace 'u_int' with 'unsigned int'.
+  - use macros ERRNO and SET_ERRNO() for errno handling.
+
+- ares_inet_ntop: reapply changes from previous c-ares version (II)
+  
+  - Remove rcsid.
+  - Adjust header file inclusions.
+  - ares_inet_ntop used only on systems without a proper inet_ntop function.
+
+- ares_inet_ntop: reapply changes from previous c-ares version (I)
+  
+  - Replace tabs with spaces.
+  - Use ANSI C style for function declarations and definitions.
+  - Use sizeof with parentheses.
+
+- ares_inet_ntop: fix off by one error triggering out of bounds write
+  
+  ares_inet_ntop would trigger an out of bounds write when the representation
+  of the address required 15 characters, due to not taking in account null
+  termination character.
+  
+  Full import of inet_ntop.c from bind-9.5.3rc1 to pull additional fixes.
+
+- ares_nowarn: add conditional inclusion of assert.h header
+
+- fix compiler warning: conversion may lose significant bits
+
+- ares_inet_net_pton: fix non-rejection of some malformed literals
+  
+  ares_inet_net_pton would return wrong values when excessively large,
+  and invalid, netmasks are used. Fixes are from bind-9.5.3rc1,
+  issue also described in the WLB-2008080064 advisory.
+
+- setup_once: provide ISASCII macro
+
+- configure: inet_net_pton function check adjustments
+  
+  Define HAVE_INET_NET_PTON only when system's inet_net_pton function is IPv6
+  capable and is not affected by the WLB-2008080064 advisory.
+  
+  HAVE_INET_NET_PTON_IPV6 is no longer defined nor used.
+
+- ares_init: fix detection of semicolon comments in resolv.conf
+  
+  File resolv.conf may either use a hash '#' or a semicolon ';' character as an
+  indication that the rest of the line is a comment.  This fixes not recognizing
+  the semicolon as a valid comment indicator in resolv.conf.
+
+- version: start working on 1.7.5
+
+Version 1.7.4 (8 Dec 2010)
+
+Daniel Stenberg (8 Dec 2010)
+- release-preps: CHANGES and RELEASE-NOTES synced
+
+- ares_set_local_*: added in 1.7.4, not before
+
+Yang Tse (3 Dec 2010)
+- build: provide SIZEOF_SIZE_T definition for non-configure builds
+
+- build: config.dos renamed to config-dos.h
+
+- build: provide SIZEOF_SIZE_T netware definition
+
+- ares_gethostbyaddr: fix compiler warning: conversion may lose significant bits
+
+- configure: undo using autobuilds to temporarily verify strict aliasing warnings.
+
+- fix compiler warning: rounding, sign extension, or loss of accuracy may result
+
+Daniel Stenberg (2 Dec 2010)
+- [Ben Noordhuis brought this change]
+
+  ares_parse_a_reply: fix CNAME response parsing
+  
+  Reply to a CNAME query doesn't contain addresses, causing
+  ares_parse_a_reply() to bail out with ARES_ENODATA
+  
+  Bug: http://groups.google.com/group/nodejs/browse_thread/thread/a1268c9ea5e9ad9b
+
+Yang Tse (1 Dec 2010)
+- fix compiler warning: conversion may lose significant bits
+
+- atoi: remove atoi usage
+
+- ares_init: fix compiler warning: conversion may lose significant bits
+
+- configure: fix autoconf warning
+
+- inet_pton: fix compiler warning
+
+- configure: use autobuilds to temporarily verify strict aliasing warnings.
+  
+  Temporarily, When cross-compiling with gcc 3.0 or later, enable strict aliasing
+  rules and warnings. Given that cross-compiled targets autobuilds do not run the
+  test-suite, there is no risk of running code that violates strict aliasing rules
+
+- ares_getnameinfo: Partially revert commit 85520d66e0ac7ac73411bc25e98769a88b2f
+  
+  Upon socket address family and length validation failure return ARES_ENOTIMP
+  in callback again, this is the error code documented in man page and used
+  mostly all over the library.
+
+- ares_getnameinfo: Validate socket address family and length.
+  
+  Validate socket address family and that the socket address length is appropriate
+  for the specified family. Failure is reported with ARES_EBADFAMILY in callback.
+
+- ares_getnameinfo: fix two compiler warnings
+
+- Added another VS10 version string
+
+- Fix GCC 4 compiler warning 'dereferencing type-punned pointer might break strict-aliasing rules'.
+
+- Revert commit 494274e653936335c255a47599970de3df21e7c4
+
+- configure: fix autoconf 2.68 warning: no AC_LANG_SOURCE call detected in body
+
+- Fix compiler warning: array subscript has type 'char'
+
+- Fix GCC 4 compiler warning 'dereferencing type-punned pointer might break strict-aliasing rules'.
+
+- Revert following commits:
+    07bc7ea79509bcc9ef6e09151e81766ed00d3392
+    3392a50ea3f8573ea4b7a9d82b9833dab60cb0e9
+    9912637d32c9987719a1ea12db591aee2941891c
+  
+  The purpose of the whole patch was to silence a compiler warning triggered
+  with GCC 4 on file ares_process.c  The specific compiler warning was
+  'dereferencing type-punned pointer might break strict-aliasing rules'.
+  
+  A simpler patch will follow to equally silence the warning.
+
+- ares_options: reorder header inclusions to make inclusion of
+  ares_private.h the last included one again.
+
+Daniel Stenberg (12 Nov 2010)
+- [Patrik Thunstrom brought this change]
+
+  adig: fix NAPTR parsing
+  
+  I ran across a small "issue" in your adig example.
+  
+  It is simply the last part of the NAPTR record, the replacement element,
+  which is not a string, as currently handled in adig, but a domain name.
+
+- ares_save_options: assignments instead of memcpy
+
+- init_by_options: don't copy an empty sortlist
+  
+  If there aren't any sort items to copy, don't bother. Without this
+  little precaution it would do a malloc(0) which causes undefined
+  behaviors and is frowned upon by curl's memdebug-system.
+
+Guenter Knauf (3 Oct 2010)
+- Minor Watcom makefile tweaks.
+
+Daniel Stenberg (30 Sep 2010)
+- [Mike Crowe brought this change]
+
+  Fix lookup with HOSTALIASES set.
+  
+  ares__read_line returns ARES_EOF when it reaches the end of the
+  file. This will happen every time when reading to the end of the
+  HOSTALIASES file. Unfortunately single_domain treats this error as
+  being fatal.
+  
+  Signed-off-by: Mike Crowe <mac@mcrowe.com>
+
+Ben Greear (24 Aug 2010)
+- Add missing break that caused get_ares_servers to fail.
+  
+  Reported-by: Ning Dong <flintning@163.com>
+  Signed-off-by: Ben Greear <greearb@candelatech.com>
+
+Yang Tse (11 Aug 2010)
+- configure: werror related adjustments
+
+Guenter Knauf (8 Aug 2010)
+- Added copyright string to ares_version.h and make use of it in other files.
+
+- Block created ares_build.h for NetWare to avoid usage from other platforms.
+
+- Fix to overwrite default libname.
+
+- Some more Watcom makefile massage ...
+
+- Some more Watcom makefile massage ...
+
+Ben Greear (4 Aug 2010)
+- sock-addr-storage:  Detect and deal with lack of .ss_family member.
+  
+  AIX, at least, does not have sockaddr_storage.ss_family member.
+  Detect this in the configure logic and use proper #ifdefs in the
+  ares_process logic.
+  
+  Signed-off-by: Ben Greear <greearb@candelatech.com>
+  Tested-by: Tor Arntsen <tor@spacetec.no>
+
+Guenter Knauf (3 Aug 2010)
+- Added Watcom makefile based on libcurl's Makefile.Watcom.
+
+Ben Greear (31 Jul 2010)
+- typo:  Fix compile bug for platforms that don't have sockaddr_storage.
+  
+  Bug was introduced by me in previous commit.
+  
+  Signed-off-by: Ben Greear <greearb@candelatech.com>
+
+- Fix aliasing warning in gcc 4.4.4 (at least).
+  
+  Should be no functional change, though the code gets a bit
+  ugglier.
+  
+  Signed-off-by: Ben Greear <greearb@candelatech.com>
+
+Daniel Stenberg (31 Jul 2010)
+- ares_set_servers_csv: use ISDIGIT
+  
+  The IS*() set of macros are preferred to the regular is*() functions as
+  they help us avoid the most common pitfalls.
+
+Ben Greear (30 Jul 2010)
+- cast arg to isdigit to int
+  
+  Looks like it might silence a warning on Netware build.
+  
+  Signed-off-by: Ben Greear <greearb@candelatech.com>
+
+- remove all uses of uint32_t
+  
+  Previous fix forgot a few.
+  
+  Signed-off-by: Ben Greear <greearb@candelatech.com>
+
+- fix signed v/s unsigned casts warning in ares_gethostbyaddr.c
+  
+  Signed-off-by: Ben Greear <greearb@candelatech.com>
+
+- local-bind-fixup:  Fix inet_pton warning.
+  
+  Conditionally include <arpa/inet.h> for inet_pton
+  headers.
+  
+  Signed-off-by: Ben Greear <greearb@candelatech.com>
+
+- build:  Enable compiling with -Werror.
+  
+  This helps find compile warnings because they simply break
+  the build.
+  
+  To use:
+  ./configure --enable-warnings --enable-werror
+  
+  Signed-off-by: Ben Greear <greearb@candelatech.com>
+
+- ipv6: Fix some build issues related to the local-bind feature.
+  
+  Signed-off-by: Ben Greear <greearb@candelatech.com>
+
+Guenter Knauf (29 Jul 2010)
+- Replaced uint32_t with unsigned int to fix broken builds on a couple of platforms.
+
+Daniel Stenberg (18 Jul 2010)
+- [Ben Greear brought this change]
+
+  local-bind:  Support binding to local interface/IPs
+  
+  Add 3 new functions to set the local binding for the out-going
+  socket connection, and add ares_set_servers_csv() to set a
+  list of servers at once as a comma-separated string.
+  
+  Signed-off-by: Ben Greear <greearb@candelatech.com>
+
+- version: now start on 1.7.4
+
+- [Andrew C. Morrow brought this change]
+
+  fix memory leak in ares_getnameinfo
+
+Version 1.7.3 (11 Jun 2010)
+
+Daniel Stenberg (11 Jun 2010)
+- changelogs: updated for 1.7.3
+
+- [BogDan Vatra brought this change]
+
+  init: allow c-ares to work on Android OS
+
+- changelog: fill in the 1.7.2 changes
+
+- added another pdf to ignore
+
+Yang Tse (11 Jun 2010)
+- add ares_parse_mx_reply.c to VS dsp file
+
+Daniel Stenberg (10 Jun 2010)
+- tarball: add $(CSOURCES) $(HHEADERS) to EXTRA_DIST
+  
+  It's not clear to me why we need this, but we apparently may
+  otherwise not get all files bundled in the dist tarball.
+
+- version: start working on 1.7.3
+
+Version 1.7.2 (10 Jun 2010)
+
+Daniel Stenberg (10 Jun 2010)
+- RELEASE-NOTES: 1.7.2 details added
+
+- [Jakub Hrozek brought this change]
+
+  ares_init: Last, not first instance of domain or search should win
+
+- style: make code less than 80 columns wide
+
+Yang Tse (31 May 2010)
+- [Tor Arntsen brought this change]
+
+  improve alternative definition of bool to use enum instead of unsigned char
+
+- fix VS2010 compiler warnings
+
+Daniel Stenberg (18 Apr 2010)
+- [Jérémy Lal brought this change]
+
+  added ares_parse_mx_reply
+
+- repair the file mode
+
+- remove all $Id$ lines
+
+- remove all .cvsignore files
+
+- spell fix
+  
+  reported by Gregor Jasny on the mailing list
+
+- [Peter Pentchev brought this change]
+
+  Fix a couple of typos and grammar nits.
+
+- ignore the GPG signature files too
+
+- start the journey towards 1.7.2
+
+- no longer CVS tagging
+
+- ignore generated PDFs
+
+Version 1.7.1 (23 Mar 2010)
+
+Daniel Stenberg (23 Mar 2010)
+- 1.7.1
+
+- made README the primary readme file
+  
+  ... and did README.cares to contain a historic reason etc.
+
+- s/CVS/git
+
+- git now, not CVS
+
+- ignore lots of generated files
+
+- [Daniel Johnson brought this change]
+
+  Fix warnings for clang
+
+Yang Tse (17 Mar 2010)
+- replaced intel compiler option -no-ansi-alias with -fno-strict-aliasing
+
+- update outdated serial number
+
+- fix compiler warning
+
+- watt32 compilation fix
+
+- Added another VS10 version string
+
+- fix line break
+
+- removed usage of 's6_addr', fixing compilation issue triggered with no
+  longer using 'in6_addr' but only our 'ares_in6_addr' struct
+
+Daniel Stenberg (5 Mar 2010)
+- Daniel Johnson provided fixes for building with the clang compiler
+
+Yang Tse (5 Mar 2010)
+- Added IPv6 name servers support
+
+Gisle Vanem (5 Mar 2010)
+- Ops!. Readded ares_nowarn.h.
+
+- Added ares_nowarn.c.
+
+Yang Tse (28 Feb 2010)
+- Added SIZEOF_INT and SIZEOF_SHORT definitions for non-configure systems
+
+- Added ares_nowarn.* to VC6 project file
+
+- Added SIZEOF_INT definition
+
+- fix compiler warning
+
+- fix compiler warning
+
+- fix compiler warning
+
+Daniel Stenberg (17 Feb 2010)
+- ares_reinit()
+  
+  - To allow an app to force a re-read of /etc/resolv.conf etc, pretty much
+    like the res_init() resolver function offers
+
+- - Tommie Gannert pointed out a silly bug in ares_process_fd() since it didn't
+    check for broken connections like ares_process() did. Based on that, I
+    merged the two functions into a single generic one with two front-ends.
+
+Yang Tse (30 Dec 2009)
+- VMS specific preprocessor symbol checking adjustments
+
+- Mention last changes
+
+- - Fix configure_socket() to use ares_socket_t instead of int data type.
+
+- - Where run-time error checks enabling compiler option /GZ was used it is now
+    replaced with equivalent /RTCsu for Visual Studio 2003 and newer versions.
+  
+  - Compiler option /GX is now replaced with equivalent /EHsc for all versions.
+
+- - Ingmar Runge noticed that Windows config-win32.h configuration file
+    did not include a definition for HAVE_CLOSESOCKET which resulted in
+    function close() being inappropriately used to close sockets.
+
+Daniel Stenberg (30 Nov 2009)
+- start working on 1.7.1
+
+Version 1.7.0 (27 Nov 2009)
+
+Yang Tse (27 Nov 2009)
+- Preserve empty line following last target
+
+- - Larry Lansing fixed ares_parse_srv_reply to properly parse replies
+    which might contain non-SRV answers, skipping over potential non-SRV
+    ones such as CNAMEs.
+
+- When using icc, compile with -fpic and link with intel dynamic libraries.
+
+- Added 'currently' in italics to insist on transient situation.
+
+- Fix language
+
+- Daniel wants upcoming release to be 1.7.0
+
+- Mention last changes
+
+- - Removed from external interface preprocessor symbol definition for
+    CARES_HAVE_ARES_FREE_DATA. Current functionality of ares_free_data()
+    makes it unnecessary.
+
+- Added README.msvc
+
+- Changed c-ares naming conventions when using MSVC as described in README.msvc
+
+- - Mention other recent changes
+
+- - Jakub Hrozek renamed addrttl and addr6ttl structs to ares_addrttl and
+    ares_addr6ttl in order to prevent name space pollution, along with
+    necessary changes to code base and man pages.This change does not break
+    ABI, there is no need to recompile existing applications. But existing
+    applications using these structs with the old name will need source code
+    adjustments when recompiled using c-ares 1.6.1.
+
+- - Jakub Hrozek fixed more function prototypes in man pages to sync them
+    with the ones declared in ares.h
+
+- Make configure remove the ares_build.h file included in distribution tarballs.
+
+- Fix macro redefinition.
+
+- Fix name space pollution.
+
+- Allow using different extra import libraries for debug and release builds.
+
+- Add manifest stuff to msvc makefile
+
+- Sync man page with reality
+
+- Add missing external API decoration for ares_set_socket_callback()
+
+- Add ares_free_data() man page.
+
+- - Provide in external interface preprocessor symbol definitions for
+    CARES_HAVE_ARES_FREE_DATA as an indication of function availability.
+
+- Remove typecast
+
+- Fix comment
+
+- Add ares_data.c and ares_data.h
+
+- Jakub Hrozek modified ares_parse_srv_reply() and ares_parse_txt_reply() API
+  to return a linked lists of results. These were also modified to internally
+  use the ares_data memory struct and as such its result must be free'ed with
+  ares_free_data().
+
+- Initial support for the generic ares_free_data() function that will allow
+  applications to free memory allocated and returned by some c-ares funtions.
+
+- Make usage of calloc()'s arguments consistent with rest of code base
+
+- workaround icc 9.1 optimizer issue
+
+- Add icc fvisibility bug test
+
+- Fix icc 9.0 compiler warning: external definition with no prior declaration
+
+- Fix three var names
+
+- Add check for assert.h header file
+
+- getaddrinfo is fully thread safe on solaris versions which
+  implement the function even when h_errno is not a macro.
+  
+  The h_errno macro test now only done on systems for which there
+  is no hard coded knowledge about getaddrinfo's thread safeness.
+
+- Remove files generated on previous buildconf/configure run
+
+- Remove enable-thread / disable-thread configure option. These were only placebo
+  options. The library is always built as thread safe as possible on every system.
+
+- Refactor how preprocessor symbol _THREAD_SAFE definition is done.
+
+- Assume that getaddrinfo is thread safe, unless hard coded
+  knowledge says the contrary or h_errno is not defined.
+
+- Related with the threadsafe capability of getaddrinfo:
+  
+  - Constantine Sapuntzakis reported that Darwin 6.0 a.k.a. MAC OS X 10.2
+    and newer have a threadsafe getaddrinfo.
+  
+  - Fix Dragonfly BSD triplet detection.
+  
+  - In case the hard-coded knowledge says that getaddrinfo is threadsafe,
+    an additional check is done to verify that h_errno is also defined.
+    If h_errno isn't defined, we finally assume that it isn't threadsafe.
+    Jamie Lokier provided the inspiration for this extra check.
+
+- AIX 5.2 and newer have threadsafe getaddrinfo.
+  
+  Add some comments to better understand what the regex's pretend to achieve.
+
+- HP-UX 11.11 and later have threadsafe getaddrinfo
+
+- Check if getaddrinfo is threadsafe when function check allows it to be used
+
+- Renamed fpGetNetworkParams and fpSystemFunction036 to avoid namespace pollution with static library
+
+- Add kernel32.lib
+
+- Mention last changes
+
+- Reinstate copyright symbol lost in previous commit
+
+- Make some strings different in resource file for debug or release builds
+
+- Ignore more subdirs
+
+- Fix compiler warning: conditional expression is constant
+
+- Sync linker and resource compiler options with Makefile.msvc
+
+- Follow Makefile.msvc subdirectory naming scheme, and sync compiler options
+
+- Updated MSVC makefile that allows building dynamic and static
+  c-ares libraries in debug and release flavours.
+  
+  Additionally each of the three sample programs is built against
+  each of the four possible c-ares libraries, generating all this
+  a total number of 12 executables and 4 libraries.
+
+- Test for USE_WINSOCK since it is more restrictive than WIN32
+
+- Make header inclusion depend on HAVE_*_H definition
+
+- Remove unneeded preprocessor directives
+
+- Adjust c-ares include paths for memory tracking enabled (--enable-curldebug) builds
+
+- source files used by sample programs
+
+- Renamed c-ares setup.h to ares_setup.h
+
+- Adjust include paths to take in account that currently:
+  
+  c-ares with --enable-curldebug uses memdebug.h from libcurl's lib subdirectory.
+  
+  memdebug.h needs access to libcurl's setup.h from libcurl's lib subdirectory
+  and also needs access to libcurl's generated curl_config.h
diff -Nru nodejs-12.22.5~dfsg/deps/cares/CMakeLists.txt nodejs-12.22.12~dfsg/deps/cares/CMakeLists.txt
--- nodejs-12.22.5~dfsg/deps/cares/CMakeLists.txt	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/deps/cares/CMakeLists.txt	2022-04-05 07:16:59.000000000 +0000
@@ -0,0 +1,766 @@
+CMAKE_MINIMUM_REQUIRED (VERSION 3.1.0)
+
+INCLUDE (CheckIncludeFiles)
+INCLUDE (CheckTypeSize)
+INCLUDE (CheckFunctionExists)
+INCLUDE (CheckSymbolExists)
+INCLUDE (CheckCSourceCompiles)
+INCLUDE (CheckStructHasMember)
+INCLUDE (CheckLibraryExists)
+
+PROJECT (c-ares LANGUAGES C VERSION "1.18.0" )
+
+# Set this version before release
+SET (CARES_VERSION "1.18.1")
+
+INCLUDE (GNUInstallDirs) # include this *AFTER* PROJECT(), otherwise paths are wrong.
+
+# This is for libtool compatibility, and specified in a form that is easily
+# translatable from libtool (even if the actual form doesn't make sense).
+# For instance, in an autotools project, in Makefile.am there is a line that
+# contains something like:
+#     -version-info 4:0:2
+# This breaks down into sections of current:revision:age
+# This then generates a version of  "(current-age).age.revision"  with an
+# interface version of "(current-age)"
+# For example, a version of 4:0:2 would generate output such as:
+#    libname.so   -> libname.so.2
+#    libname.so.2 -> libname.so.2.2.0
+SET (CARES_LIB_VERSIONINFO "7:1:5")
+
+
+OPTION (CARES_STATIC     "Build as a static library"                                             OFF)
+OPTION (CARES_SHARED     "Build as a shared library"                                             ON)
+OPTION (CARES_INSTALL    "Create installation targets (chain builders may want to disable this)" ON)
+OPTION (CARES_STATIC_PIC "Build the static library as PIC (position independent)"                OFF)
+OPTION (CARES_BUILD_TESTS "Build and run tests"                                                  OFF)
+OPTION (CARES_BUILD_CONTAINER_TESTS "Build and run container tests (implies CARES_BUILD_TESTS, Linux only)" OFF)
+OPTION (CARES_BUILD_TOOLS "Build tools"                                                          ON)
+
+# Tests require static to be enabled on Windows to be able to access otherwise hidden symbols
+IF (CARES_BUILD_TESTS AND (NOT CARES_STATIC) AND WIN32)
+	SET (CARES_STATIC ON)
+	SET (CARES_STATIC_PIC ON)
+	MESSAGE (WARNING "Static building was requested be disabled, but reenabled to support tests")
+ENDIF ()
+
+# allow linking against the static runtime library in msvc
+IF (MSVC)
+	OPTION (CARES_MSVC_STATIC_RUNTIME "Link against the static runtime library" OFF)
+	IF (CARES_MSVC_STATIC_RUNTIME)
+		# CMAKE_CONFIGURATION_TYPES is empty on non-IDE generators (Ninja, NMake)
+		# and that's why we also use CMAKE_BUILD_TYPE to cover for those generators.
+		# For IDE generators, CMAKE_BUILD_TYPE is usually empty
+		FOREACH (config_type ${CMAKE_CONFIGURATION_TYPES} ${CMAKE_BUILD_TYPE})
+			STRING (TOUPPER ${config_type} upper_config_type)
+			SET (flag_var "CMAKE_C_FLAGS_${upper_config_type}")
+			IF (${flag_var} MATCHES "/MD")
+				STRING (REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
+			ENDIF ()
+		ENDFOREACH ()
+
+		# clean up
+		SET (upper_config_type)
+		SET (config_type)
+		SET (flag_var)
+	ENDIF ()
+ENDIF ()
+
+# Keep build organized.
+SET (CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/${CMAKE_INSTALL_BINDIR}")
+SET (CMAKE_LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/${CMAKE_INSTALL_LIBDIR}")
+SET (CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/${CMAKE_INSTALL_LIBDIR}")
+SET (PACKAGE_DIRECTORY ${PROJECT_BINARY_DIR}/package)
+
+# Destinations for installing different kinds of targets (pass to install command).
+SET (TARGETS_INST_DEST
+	RUNTIME DESTINATION  ${CMAKE_INSTALL_BINDIR}
+	BUNDLE DESTINATION   ${CMAKE_INSTALL_BINDIR}
+	LIBRARY DESTINATION  ${CMAKE_INSTALL_LIBDIR}
+	ARCHIVE DESTINATION  ${CMAKE_INSTALL_LIBDIR}
+)
+
+# Function in Library
+# CHECK_LIBRARY_EXISTS can't be used as it will return true if the function
+# is found in a different dependent library.
+MACRO (CARES_FUNCTION_IN_LIBRARY func lib var)
+	CHECK_FUNCTION_EXISTS ("${func}" "_CARES_FUNC_IN_LIB_GLOBAL_${func}")
+	IF ("${_CARES_FUNC_IN_LIB_GLOBAL_${func}}")
+		SET (${var} FALSE)
+	ELSE ()
+		CHECK_LIBRARY_EXISTS ("${lib}" "${func}" "" ${var})
+	ENDIF ()
+ENDMACRO ()
+
+# Look for dependent/required libraries
+CARES_FUNCTION_IN_LIBRARY (res_servicename resolv HAVE_RES_SERVICENAME_IN_LIBRESOLV)
+IF (HAVE_RES_SERVICENAME_IN_LIBRESOLV)
+	SET (HAVE_LIBRESOLV 1)
+ENDIF ()
+
+IF (APPLE)
+	CHECK_C_SOURCE_COMPILES ("
+	#include <stdio.h>
+	#include <TargetConditionals.h>
+	int main() {
+#if TARGET_OS_IPHONE == 0
+#error Not an iPhone target
+#endif
+return 0;
+	}
+	"
+	IOS)
+
+	CHECK_C_SOURCE_COMPILES ("
+#include <stdio.h>
+#include <TargetConditionals.h>
+	int main() {
+#if TARGET_OS_IPHONE == 0 || __IPHONE_OS_VERSION_MIN_REQUIRED < 100000
+#  error Not iOS v10
+#endif
+return 0;
+	}
+	"
+	IOS_V10)
+
+	CHECK_C_SOURCE_COMPILES ("
+#include <stdio.h>
+#include <AvailabilityMacros.h>
+#ifndef MAC_OS_X_VERSION_10_12
+#  define MAC_OS_X_VERSION_10_12 101200
+#endif
+	int main() {
+#if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_12
+#  error Not MacOSX 10.12 or higher
+#endif
+return 0;
+	}
+	"
+	MACOS_V1012)
+ENDIF ()
+
+IF ((IOS OR APPLE OR ZOS) AND HAVE_LIBRESOLV)
+	SET (CARES_USE_LIBRESOLV 1)
+ENDIF()
+
+
+CARES_FUNCTION_IN_LIBRARY (gethostbyname nsl HAVE_LIBNSL)
+CARES_FUNCTION_IN_LIBRARY (gethostbyname socket HAVE_GHBN_LIBSOCKET)
+CARES_FUNCTION_IN_LIBRARY (gethostbyname network HAVE_LIBNETWORK)
+CARES_FUNCTION_IN_LIBRARY (socket socket HAVE_SOCKET_LIBSOCKET)
+IF (HAVE_GHBN_LIBSOCKET OR HAVE_SOCKET_LIBSOCKET)
+	SET(HAVE_LIBSOCKET TRUE)
+ENDIF ()
+CARES_FUNCTION_IN_LIBRARY (socket network HAVE_LIBNETWORK)
+CARES_FUNCTION_IN_LIBRARY (clock_gettime rt HAVE_LIBRT)
+
+
+# Look for necessary includes
+CHECK_INCLUDE_FILES (sys/types.h           HAVE_SYS_TYPES_H)
+CHECK_INCLUDE_FILES (sys/socket.h          HAVE_SYS_SOCKET_H)
+CHECK_INCLUDE_FILES (sys/sockio.h          HAVE_SYS_SOCKIO_H)
+CHECK_INCLUDE_FILES (arpa/inet.h           HAVE_ARPA_INET_H)
+CHECK_INCLUDE_FILES (arpa/nameser_compat.h HAVE_ARPA_NAMESER_COMPAT_H)
+CHECK_INCLUDE_FILES (arpa/nameser.h        HAVE_ARPA_NAMESER_H)
+CHECK_INCLUDE_FILES (assert.h              HAVE_ASSERT_H)
+CHECK_INCLUDE_FILES (errno.h               HAVE_ERRNO_H)
+CHECK_INCLUDE_FILES (fcntl.h               HAVE_FCNTL_H)
+CHECK_INCLUDE_FILES (inttypes.h            HAVE_INTTYPES_H)
+CHECK_INCLUDE_FILES (limits.h              HAVE_LIMITS_H)
+CHECK_INCLUDE_FILES (malloc.h              HAVE_MALLOC_H)
+CHECK_INCLUDE_FILES (memory.h              HAVE_MEMORY_H)
+CHECK_INCLUDE_FILES (netdb.h               HAVE_NETDB_H)
+CHECK_INCLUDE_FILES (netinet/in.h          HAVE_NETINET_IN_H)
+CHECK_INCLUDE_FILES (net/if.h              HAVE_NET_IF_H)
+CHECK_INCLUDE_FILES (signal.h              HAVE_SIGNAL_H)
+CHECK_INCLUDE_FILES (socket.h              HAVE_SOCKET_H)
+CHECK_INCLUDE_FILES (stdbool.h             HAVE_STDBOOL_H)
+CHECK_INCLUDE_FILES (stdint.h              HAVE_STDINT_H)
+CHECK_INCLUDE_FILES (stdlib.h              HAVE_STDLIB_H)
+CHECK_INCLUDE_FILES (strings.h             HAVE_STRINGS_H)
+CHECK_INCLUDE_FILES (string.h              HAVE_STRING_H)
+CHECK_INCLUDE_FILES (stropts.h             HAVE_STROPTS_H)
+CHECK_INCLUDE_FILES (sys/ioctl.h           HAVE_SYS_IOCTL_H)
+CHECK_INCLUDE_FILES (sys/param.h           HAVE_SYS_PARAM_H)
+CHECK_INCLUDE_FILES (sys/select.h          HAVE_SYS_SELECT_H)
+CHECK_INCLUDE_FILES (sys/stat.h            HAVE_SYS_STAT_H)
+CHECK_INCLUDE_FILES (sys/time.h            HAVE_SYS_TIME_H)
+CHECK_INCLUDE_FILES (sys/uio.h             HAVE_SYS_UIO_H)
+CHECK_INCLUDE_FILES (time.h                HAVE_TIME_H)
+CHECK_INCLUDE_FILES (dlfcn.h               HAVE_DLFCN_H)
+CHECK_INCLUDE_FILES (unistd.h              HAVE_UNISTD_H)
+
+# On OpenBSD, you must include sys/types.h before netinet/tcp.h
+IF (HAVE_SYS_TYPES_H)
+  CHECK_INCLUDE_FILES ("sys/types.h;netinet/tcp.h"         HAVE_NETINET_TCP_H)
+ELSE ()
+  CHECK_INCLUDE_FILES (netinet/tcp.h                       HAVE_NETINET_TCP_H)
+ENDIF ()
+
+# Include order matters for these windows files.
+# As cygwin environment has both socket.h and winsock2.h
+# headers check WIN32 not to include the later one here
+IF (WIN32)
+CHECK_INCLUDE_FILES ("winsock2.h;windows.h"            HAVE_WINSOCK2_H)
+CHECK_INCLUDE_FILES ("winsock2.h;ws2tcpip.h;windows.h" HAVE_WS2TCPIP_H)
+CHECK_INCLUDE_FILES ("winsock.h;windows.h"             HAVE_WINSOCK_H)
+CHECK_INCLUDE_FILES (windows.h                         HAVE_WINDOWS_H)
+ENDIF ()
+
+# Set system-specific compiler flags
+IF (CMAKE_SYSTEM_NAME STREQUAL "Darwin")
+	LIST (APPEND SYSFLAGS -D_DARWIN_C_SOURCE)
+ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "Linux")
+	LIST (APPEND SYSFLAGS -D_GNU_SOURCE -D_POSIX_C_SOURCE=199309L -D_XOPEN_SOURCE=600)
+ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "SunOS")
+	LIST (APPEND SYSFLAGS -D__EXTENSIONS__ -D_REENTRANT -D_XOPEN_SOURCE=600)
+ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "AIX")
+	LIST (APPEND SYSFLAGS -D_ALL_SOURCE -D_XOPEN_SOURCE=600 -D_USE_IRS)
+ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
+	# Don't define _XOPEN_SOURCE on FreeBSD, it actually reduces visibility instead of increasing it
+ELSEIF (WIN32)
+	LIST (APPEND SYSFLAGS -DWIN32_LEAN_AND_MEAN -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE -D_WIN32_WINNT=0x0600)
+ENDIF ()
+ADD_DEFINITIONS(${SYSFLAGS})
+
+
+
+# Tell C-Ares about libraries to depend on
+IF (HAVE_LIBRESOLV)
+	LIST (APPEND CARES_DEPENDENT_LIBS resolv)
+ENDIF ()
+IF (HAVE_LIBNSL)
+	LIST (APPEND CARES_DEPENDENT_LIBS nsl)
+ENDIF ()
+IF (HAVE_LIBSOCKET)
+	LIST (APPEND CARES_DEPENDENT_LIBS socket)
+ENDIF ()
+IF (HAVE_LIBNETWORK)
+	LIST (APPEND CARES_DEPENDENT_LIBS network)
+ENDIF ()
+IF (HAVE_LIBRT)
+	LIST (APPEND CARES_DEPENDENT_LIBS rt)
+ENDIF ()
+IF (WIN32)
+	LIST (APPEND CARES_DEPENDENT_LIBS ws2_32 advapi32 iphlpapi)
+ENDIF ()
+
+
+# When checking for symbols, we need to make sure we set the proper
+# headers, libraries, and definitions for the detection to work properly
+# CMAKE_REQUIRED_DEFINITIONS, CMAKE_REQUIRED_LIBRARIES, and
+# CMAKE_EXTRA_INCLUDE_FILES.  When we're done with the detection, we'll
+# unset them.
+
+SET (CMAKE_REQUIRED_DEFINITIONS ${SYSFLAGS})
+LIST (APPEND CMAKE_REQUIRED_LIBRARIES ${CARES_DEPENDENT_LIBS})
+
+MACRO (CARES_EXTRAINCLUDE_IFSET var include)
+	IF (${var})
+		LIST (APPEND CMAKE_EXTRA_INCLUDE_FILES ${include})
+	ENDIF ()
+ENDMACRO ()
+
+CARES_EXTRAINCLUDE_IFSET (HAVE_STDBOOL_H      stdbool.h)
+CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_TYPES_H    sys/types.h)
+CARES_EXTRAINCLUDE_IFSET (HAVE_ARPA_INET_H    arpa/inet.h)
+CARES_EXTRAINCLUDE_IFSET (HAVE_ARPA_NAMESER_H arpa/nameser.h)
+CARES_EXTRAINCLUDE_IFSET (HAVE_NETDB_H        netdb.h)
+CARES_EXTRAINCLUDE_IFSET (HAVE_NET_IF_H       net/if.h)
+CARES_EXTRAINCLUDE_IFSET (HAVE_NETINET_IN_H   netinet/in.h)
+CARES_EXTRAINCLUDE_IFSET (HAVE_NETINET_TCP_H  netinet/tcp.h)
+CARES_EXTRAINCLUDE_IFSET (HAVE_SIGNAL_H       signal.h)
+CARES_EXTRAINCLUDE_IFSET (HAVE_STDLIB_H       stdlib.h)
+CARES_EXTRAINCLUDE_IFSET (HAVE_STRING_H       string.h)
+CARES_EXTRAINCLUDE_IFSET (HAVE_STRINGS_H      strings.h)
+CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_IOCTL_H    sys/ioctl.h)
+CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_SELECT_H   sys/select.h)
+CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_SOCKET_H   sys/socket.h)
+CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_SOCKIO_H	sys/sockio.h)
+CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_TIME_H     sys/time.h)
+CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_UIO_H      sys/uio.h)
+CARES_EXTRAINCLUDE_IFSET (HAVE_TIME_H         time.h)
+CARES_EXTRAINCLUDE_IFSET (HAVE_FCNTL_H        fcntl.h)
+CARES_EXTRAINCLUDE_IFSET (HAVE_UNISTD_H       unistd.h)
+CARES_EXTRAINCLUDE_IFSET (HAVE_WINSOCK2_H     winsock2.h)
+CARES_EXTRAINCLUDE_IFSET (HAVE_WS2TCPIP_H     ws2tcpip.h)
+CARES_EXTRAINCLUDE_IFSET (HAVE_WINDOWS_H      windows.h)
+
+# Check Types
+# CHECK_TYPE_SIZE can't be used to see if a type exists because on Apple when
+# building multi-arch, it will throw an error.  So we need to wrap
+# CHECK_C_SOURCE_COMPILES for our tests.
+MACRO (CARES_TYPE_EXISTS type var)
+	SET(_CARES_C_SOURCE "
+		#include <stdio.h>
+		#include <stdlib.h>
+	")
+	FOREACH(_C_HEADER ${CMAKE_EXTRA_INCLUDE_FILES})
+		SET(_CARES_C_SOURCE "${_CARES_C_SOURCE}
+		#include <${_C_HEADER}>")
+	ENDFOREACH(_C_HEADER)
+
+	SET(_CARES_C_SOURCE "${_CARES_C_SOURCE}
+		int main() {
+			${type} var_exists;
+			(void)var_exists;
+			return 0;
+		}
+	")
+	CHECK_C_SOURCE_COMPILES ("${_CARES_C_SOURCE}" ${var})
+ENDMACRO ()
+
+CARES_TYPE_EXISTS (socklen_t                 HAVE_SOCKLEN_T)
+CARES_TYPE_EXISTS (SOCKET                    HAVE_TYPE_SOCKET)
+CARES_TYPE_EXISTS (bool                      HAVE_BOOL_T)
+CARES_TYPE_EXISTS (ssize_t                   HAVE_SSIZE_T)
+CARES_TYPE_EXISTS ("long long"               HAVE_LONGLONG)
+CARES_TYPE_EXISTS (sig_atomic_t              HAVE_SIG_ATOMIC_T)
+CARES_TYPE_EXISTS ("struct addrinfo"         HAVE_STRUCT_ADDRINFO)
+CARES_TYPE_EXISTS ("struct in6_addr"         HAVE_STRUCT_IN6_ADDR)
+CARES_TYPE_EXISTS ("struct sockaddr_in6"     HAVE_STRUCT_SOCKADDR_IN6)
+CARES_TYPE_EXISTS ("struct sockaddr_storage" HAVE_STRUCT_SOCKADDR_STORAGE)
+CARES_TYPE_EXISTS ("struct timeval"          HAVE_STRUCT_TIMEVAL)
+
+
+# Check for preprocessor defines
+CHECK_SYMBOL_EXISTS (AF_INET6        "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_AF_INET6)
+CHECK_SYMBOL_EXISTS (O_NONBLOCK      "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_O_NONBLOCK)
+CHECK_SYMBOL_EXISTS (FIONBIO         "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_FIONBIO)
+CHECK_SYMBOL_EXISTS (SIOCGIFADDR     "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_IOCTL_SIOCGIFADDR)
+CHECK_SYMBOL_EXISTS (MSG_NOSIGNAL    "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_MSG_NOSIGNAL)
+CHECK_SYMBOL_EXISTS (PF_INET6        "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_PF_INET6)
+CHECK_SYMBOL_EXISTS (SO_NONBLOCK     "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_SO_NONBLOCK)
+
+# XCode v8 bug: iOS when targeting less than v10, or MacOS when targeting less than v10.12 will
+# say clock_gettime exists, it is a weak symbol that only exists in iOS10/MacOS10.12 and will
+# cause a crash at runtime when running on older versions.  Skip finding CLOCK_MONOTONIC on older
+# OS's.
+IF ((NOT APPLE) OR IOS_V10 OR MACOS_V1012)
+	CHECK_SYMBOL_EXISTS (CLOCK_MONOTONIC "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_CLOCK_GETTIME_MONOTONIC)
+ENDIF ()
+
+CHECK_STRUCT_HAS_MEMBER("struct sockaddr_in6" sin6_scope_id "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID LANGUAGE C)
+
+# Check for "LL" numeric suffix support
+CHECK_C_SOURCE_COMPILES ("int main() { int n=1234LL; return 0; }" HAVE_LL)
+
+
+CHECK_SYMBOL_EXISTS (bitncmp         "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_BITNCMP)
+CHECK_SYMBOL_EXISTS (closesocket     "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_CLOSESOCKET)
+CHECK_SYMBOL_EXISTS (CloseSocket     "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_CLOSESOCKET_CAMEL)
+CHECK_SYMBOL_EXISTS (connect         "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_CONNECT)
+CHECK_SYMBOL_EXISTS (fcntl           "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_FCNTL)
+CHECK_SYMBOL_EXISTS (freeaddrinfo    "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_FREEADDRINFO)
+CHECK_SYMBOL_EXISTS (getaddrinfo     "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETADDRINFO)
+CHECK_SYMBOL_EXISTS (getenv          "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETENV)
+CHECK_SYMBOL_EXISTS (gethostbyaddr   "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETHOSTBYADDR)
+CHECK_SYMBOL_EXISTS (gethostbyname   "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETHOSTBYNAME)
+CHECK_SYMBOL_EXISTS (gethostname     "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETHOSTNAME)
+CHECK_SYMBOL_EXISTS (getnameinfo     "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETNAMEINFO)
+CHECK_SYMBOL_EXISTS (getservbyport_r "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETSERVBYPORT_R)
+CHECK_SYMBOL_EXISTS (getservbyname_r "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETSERVBYNAME_R)
+CHECK_SYMBOL_EXISTS (gettimeofday    "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETTIMEOFDAY)
+CHECK_SYMBOL_EXISTS (if_indextoname  "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_IF_INDEXTONAME)
+CHECK_SYMBOL_EXISTS (inet_net_pton   "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_INET_NET_PTON)
+IF (NOT WIN32)
+	# Disabled on Windows, because these functions are only really supported on Windows
+	# Vista or newer (_WIN32_WINNT >= 0x0600). Older versions of Windows may provide
+	# them as experimental non-working features, so we have to disable them manually.
+	CHECK_SYMBOL_EXISTS (inet_ntop       "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_INET_NTOP)
+	CHECK_SYMBOL_EXISTS (inet_pton       "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_INET_PTON)
+ENDIF ()
+CHECK_SYMBOL_EXISTS (ioctl           "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_IOCTL)
+CHECK_SYMBOL_EXISTS (ioctlsocket     "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_IOCTLSOCKET)
+CHECK_SYMBOL_EXISTS (IoctlSocket     "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_IOCTLSOCKET_CAMEL)
+CHECK_SYMBOL_EXISTS (recv            "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_RECV)
+CHECK_SYMBOL_EXISTS (recvfrom        "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_RECVFROM)
+CHECK_SYMBOL_EXISTS (send            "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_SEND)
+CHECK_SYMBOL_EXISTS (setsockopt      "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_SETSOCKOPT)
+CHECK_SYMBOL_EXISTS (socket          "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_SOCKET)
+CHECK_SYMBOL_EXISTS (strcasecmp      "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRCASECMP)
+CHECK_SYMBOL_EXISTS (strcmpi         "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRCMPI)
+CHECK_SYMBOL_EXISTS (strdup          "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRDUP)
+CHECK_SYMBOL_EXISTS (stricmp         "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRICMP)
+CHECK_SYMBOL_EXISTS (strncasecmp     "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRNCASECMP)
+CHECK_SYMBOL_EXISTS (strncmpi        "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRNCMPI)
+CHECK_SYMBOL_EXISTS (strnicmp        "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRNICMP)
+CHECK_SYMBOL_EXISTS (writev          "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_WRITEV)
+
+# On Android, the system headers may define __system_property_get(), but excluded
+# from libc.  We need to perform a link test instead of a header/symbol test.
+CHECK_FUNCTION_EXISTS (__system_property_get HAVE___SYSTEM_PROPERTY_GET)
+
+# Unset temporary data
+SET (CMAKE_EXTRA_INCLUDE_FILES)
+SET (CMAKE_REQUIRED_DEFINITIONS)
+SET (CMAKE_REQUIRED_LIBRARIES)
+
+
+find_file(CARES_RANDOM_FILE urandom /dev)
+mark_as_advanced(CARES_RANDOM_FILE)
+
+
+################################################################################
+# recv, recvfrom, send, getnameinfo, gethostname
+# ARGUMENTS AND RETURN VALUES
+#
+# The AutoTools build tries to be really thorough here.  So much so that it
+# takes forever.  We really don't want to do that.  Lets make some educated
+# guesses based on datatypes we have available, and for others, use some 'sane'
+# defaults.  This should be much quicker and nearly as accurate ... and even
+# if not, it probably won't matter in the least.
+
+IF (HAVE_SSIZE_T AND HAVE_SOCKLEN_T)
+	# If we have ssize_t and socklen_t, the API is usually sane and uses ssize_t and size_t for lengths
+	SET (RECVFROM_TYPE_RETV ssize_t)
+	SET (RECVFROM_TYPE_ARG3 size_t)
+ELSE ()
+	SET (RECVFROM_TYPE_RETV int)
+	SET (RECVFROM_TYPE_ARG3 int)
+ENDIF ()
+
+IF (HAVE_TYPE_SOCKET)
+	# If the SOCKET type is defined, it uses socket ... should be windows only
+	SET (RECVFROM_TYPE_ARG1 SOCKET)
+ELSE ()
+	SET (RECVFROM_TYPE_ARG1 int)
+ENDIF()
+
+IF (HAVE_SOCKLEN_T)
+	# If we have socklen_t the APIs pretty much always actually use it
+	SET (RECVFROM_TYPE_ARG6 "socklen_t *")
+	SET (GETNAMEINFO_TYPE_ARG2 socklen_t)
+	SET (GETNAMEINFO_TYPE_ARG46 socklen_t)
+ELSE ()
+	SET (RECVFROM_TYPE_ARG6 "int *")
+	SET (GETNAMEINFO_TYPE_ARG2 int)
+	SET (GETNAMEINFO_TYPE_ARG46 int)
+ENDIF ()
+
+IF (WIN32)
+	SET (RECV_TYPE_ARG2 "char *")
+ELSE ()
+	SET (RECV_TYPE_ARG2 "void *")
+ENDIF ()
+
+# Functions are typically consistent so the equivalent fields map ... equivalently
+SET (RECV_TYPE_RETV ${RECVFROM_TYPE_RETV})
+SET (SEND_TYPE_RETV ${RECVFROM_TYPE_RETV})
+SET (RECV_TYPE_ARG1 ${RECVFROM_TYPE_ARG1})
+SET (RECVFROM_TYPE_ARG2 ${RECV_TYPE_ARG2})
+SET (SEND_TYPE_ARG1 ${RECVFROM_TYPE_ARG1})
+SET (RECV_TYPE_ARG3 ${RECVFROM_TYPE_ARG3})
+SET (SEND_TYPE_ARG3 ${RECVFROM_TYPE_ARG3})
+SET (GETHOSTNAME_TYPE_ARG2 ${RECVFROM_TYPE_ARG3})
+
+# These should always be "sane" values to use always
+SET (RECVFROM_QUAL_ARG5 )
+SET (RECVFROM_TYPE_ARG4 int)
+SET (RECVFROM_TYPE_ARG5 "struct sockaddr *")
+SET (RECV_TYPE_ARG4 int)
+SET (GETNAMEINFO_TYPE_ARG1 "struct sockaddr *")
+SET (GETNAMEINFO_TYPE_ARG7 int)
+SET (SEND_TYPE_ARG2 "void *")
+SET (SEND_TYPE_ARG4 int)
+################################################################################
+
+
+# HAVE_CXX11  ??
+# HAVE_SIG_ATOMIC_T_VOLATILE  ??
+
+
+# Set a few variables by hand that C-Ares wants, logically, based on detection
+# data.
+
+IF (HAVE_SOCKLEN_T)
+	Set (CARES_TYPEOF_ARES_SOCKLEN_T "socklen_t")
+ELSE ()
+	Set (CARES_TYPEOF_ARES_SOCKLEN_T "int")
+ENDIF ()
+
+IF (HAVE_SSIZE_T)
+	Set (CARES_TYPEOF_ARES_SSIZE_T "ssize_t")
+ELSE ()
+	IF (WIN32)
+		IF ("${CMAKE_SIZEOF_VOID_P}" EQUAL "8")
+			Set (CARES_TYPEOF_ARES_SSIZE_T "__int64")
+		ELSE ()
+			Set (CARES_TYPEOF_ARES_SSIZE_T "int")
+		ENDIF ()
+	ELSE ()
+		Set (CARES_TYPEOF_ARES_SSIZE_T "long")
+	ENDIF ()
+ENDIF ()
+
+IF (HAVE_FCNTL AND HAVE_O_NONBLOCK)
+	SET (HAVE_FCNTL_O_NONBLOCK 1)
+ENDIF ()
+
+IF (HAVE_IOCTL AND HAVE_FIONBIO)
+	SET (HAVE_IOCTL_FIONBIO 1)
+ENDIF ()
+
+IF (HAVE_IOCTLSOCKET AND HAVE_FIONBIO)
+	SET (HAVE_IOCTLSOCKET_FIONBIO 1)
+ENDIF ()
+
+IF (HAVE_IOCTLSOCKET_CAMEL AND HAVE_FIONBIO)
+	SET (HAVE_IOCTLSOCKET_CAMEL_FIONBIO 1)
+ENDIF ()
+
+IF (HAVE_GETADDRINFO)
+	IF (CMAKE_SYSTEM_NAME STREQUAL "Darwin" OR
+		CMAKE_SYSTEM_NAME STREQUAL "HPUX" OR
+		CMAKE_SYSTEM_NAME STREQUAL "NetBSD" OR
+		CMAKE_SYSTEM_NAME STREQUAL "SunOS" OR
+		CMAKE_SYSTEM_NAME STREQUAL "FreeBSD" OR
+		CMAKE_SYSTEM_NAME STREQUAL "AIX" OR
+		WIN32)
+			SET (HAVE_GETADDRINFO_THREADSAFE 1)
+	ENDIF ()
+ENDIF ()
+
+IF (HAVE_TIME_H AND HAVE_SYS_TIME_H)
+	SET (TIME_WITH_SYS_TIME 1)
+ENDIF ()
+
+IF (HAVE_GETSERVBYPORT_R)
+	# TODO : Should probably autodetect
+	IF (CMAKE_SYSTEM_NAME STREQUAL "SunOS")
+		SET (GETSERVBYPORT_R_ARGS 5)
+	ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "AIX" OR
+		CMAKE_SYSTEM_NAME STREQUAL "OpenBSD" OR
+		HAIKU)
+		SET (GETSERVBYPORT_R_ARGS 4)
+	ELSE ()
+		# Probably linux
+		SET (GETSERVBYPORT_R_ARGS 6)
+	ENDIF ()
+ENDIF ()
+
+IF (HAVE_GETSERVBYNAME_R)
+	# TODO : Should probably autodetect
+	IF (CMAKE_SYSTEM_NAME STREQUAL "SunOS")
+		SET (GETSERVBYNAME_R_ARGS 5)
+	ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "AIX" OR
+		CMAKE_SYSTEM_NAME STREQUAL "OpenBSD" OR
+		HAIKU)
+		SET (GETSERVBYNAME_R_ARGS 4)
+	ELSE ()
+		# Probably linux
+		SET (GETSERVBYNAME_R_ARGS 6)
+	ENDIF ()
+ENDIF ()
+
+# Set some aliases used for ares_build.h
+IF (HAVE_SYS_TYPES_H)
+	SET (CARES_HAVE_SYS_TYPES_H 1)
+ENDIF ()
+IF (HAVE_SYS_SOCKET_H)
+	SET (CARES_HAVE_SYS_SOCKET_H 1)
+ENDIF()
+IF (HAVE_WS2TCPIP_H)
+	SET (CARES_HAVE_WS2TCPIP_H 1)
+ENDIF()
+IF (HAVE_WINSOCK2_H)
+	SET (CARES_HAVE_WINSOCK2_H 1)
+ENDIF()
+IF (HAVE_WINDOWS_H)
+	SET (CARES_HAVE_WINDOWS_H 1)
+ENDIF()
+IF (HAVE_ARPA_NAMESER_H)
+	SET (CARES_HAVE_ARPA_NAMESER_H 1)
+ENDIF()
+IF (HAVE_ARPA_NAMESER_COMPAT_H)
+	SET (CARES_HAVE_ARPA_NAMESER_COMPAT_H 1)
+ENDIF()
+
+# Record toplevel CMakeLists.txt path
+set(CARES_TOPLEVEL_DIR "${CMAKE_CURRENT_SOURCE_DIR}")
+
+
+# TRANSFORM_MAKEFILE_INC
+#
+# This function consumes the "Makefile.inc" autotools file, and converts it into
+#  "Makefile.inc.cmake", a cmake include file; transforming this:
+#
+# CSOURCES = ares__close_sockets.c	\
+#   ares__get_hostent.c			\
+#   ares__read_line.c			\
+#   ...
+#
+#   into this:
+#
+# SET (CSOURCES
+# 	ares__close_sockets.c
+# 	ares__get_hostent.c
+# 	ares__read_line.c
+#	...
+function(TRANSFORM_MAKEFILE_INC INPUT_FILE OUTPUT_FILE)
+	file(READ ${INPUT_FILE} MAKEFILE_INC_TEXT)
+	string(REPLACE "$(top_srcdir)"   "\${PROJECT_SOURCE_DIR}" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
+	string(REPLACE "$(top_builddir)" "\${PROJECT_BINARY_DIR}" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
+
+	string(REGEX REPLACE "\\\\\n" "ß!ß" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
+	string(REGEX REPLACE "([a-zA-Z_][a-zA-Z0-9_]*)[\t ]*=[\t ]*([^\n]*)" "SET(\\1 \\2)" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
+	string(REPLACE "ß!ß" "\n" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
+
+	string(REGEX REPLACE "\\$\\(([a-zA-Z_][a-zA-Z0-9_]*)\\)" "\${\\1}" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})    # Replace $() with ${}
+	string(REGEX REPLACE "@([a-zA-Z_][a-zA-Z0-9_]*)@" "\${\\1}" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})    # Replace @@ with ${}, even if that may not be read by CMake scripts.
+	file(WRITE ${OUTPUT_FILE} ${MAKEFILE_INC_TEXT})
+endfunction()
+
+# Directory for includes
+ADD_SUBDIRECTORY (include)
+
+# Directory for lib and tools
+ADD_SUBDIRECTORY (src)
+
+# Docs
+ADD_SUBDIRECTORY (docs)
+
+# Tests
+IF (CARES_BUILD_TESTS OR CARES_BUILD_CONTAINER_TESTS)
+	ENABLE_TESTING ()
+	ADD_SUBDIRECTORY (test)
+ENDIF ()
+
+
+# Export targets
+IF (CARES_INSTALL)
+	SET (CMAKECONFIG_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}")
+	INCLUDE (CMakePackageConfigHelpers)
+	CONFIGURE_PACKAGE_CONFIG_FILE (${PROJECT_NAME}-config.cmake.in ${PROJECT_NAME}-config.cmake
+		INSTALL_DESTINATION ${CMAKECONFIG_INSTALL_DIR}
+		PATH_VARS CMAKE_INSTALL_INCLUDEDIR
+		NO_CHECK_REQUIRED_COMPONENTS_MACRO
+	)
+
+	WRITE_BASIC_PACKAGE_VERSION_FILE(${PROJECT_NAME}-config-version.cmake VERSION "${CARES_VERSION}" COMPATIBILITY SameMajorVersion)
+	INSTALL (EXPORT ${PROJECT_NAME}-targets COMPONENT Devel DESTINATION ${CMAKECONFIG_INSTALL_DIR} NAMESPACE ${PROJECT_NAME}::)
+	INSTALL (FILES "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake" "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config-version.cmake" COMPONENT Devel DESTINATION ${CMAKECONFIG_INSTALL_DIR})
+
+	# pkgconfig support
+	IF (NOT CARES_SHARED)
+		SET (CPPFLAG_CARES_STATICLIB "-DCARES_STATICLIB")
+		FOREACH (LIB ${CARES_DEPENDENT_LIBS})
+			SET (CARES_PRIVATE_LIBS "${CARES_PRIVATE_LIBS} -l${LIB}")
+		ENDFOREACH ()
+	ENDIF ()
+	CONFIGURE_FILE("libcares.pc.cmake" "libcares.pc" @ONLY)
+	INSTALL (FILES "${CMAKE_CURRENT_BINARY_DIR}/libcares.pc" COMPONENT Devel DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
+ENDIF ()
+
+
+# Legacy chain-building variables (provided for compatibility with old code).
+# Don't use these, external code should be updated to refer to the aliases directly (e.g., Cares::cares).
+SET (CARES_FOUND 1 CACHE INTERNAL "CARES LIBRARY FOUND")
+SET (CARES_LIBRARIES ${PROJECT_NAME}::cares CACHE INTERNAL "CARES LIBRARIES")
+
+
+IF (CARES_INSTALL)
+    # Package creation
+    set( CPACK_PACKAGE_NAME ${PROJECT_NAME} )
+    set( CPACK_PACKAGE_VENDOR "Daniel Stenberg" ) # Github project owner
+    set( CPACK_PACKAGE_DESCRIPTION_SUMMARY "A C library for asynchronous DNS requests" )
+    set( CPACK_PACKAGE_HOMEPAGE_URL "https://c-ares.org/" )
+    set( CPACK_PACKAGE_CONTACT      "https://c-ares.org/" )
+    set( CPACK_PACKAGE_VERSION_MAJOR ${PROJECT_VERSION_MAJOR} )
+    set( CPACK_PACKAGE_VERSION_MINOR ${PROJECT_VERSION_MINOR} )
+    set( CPACK_PACKAGE_VERSION_PATCH ${PROJECT_VERSION_PATCH} )
+    set( CPACK_PACKAGE_VERSION ${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH} )
+    set( CPACK_PACKAGE_INSTALL_DIRECTORY ${PROJECT_NAME} )
+    set( CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.md" )
+    set( CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_SOURCE_DIR}/README.md" )
+
+    set( CPACK_COMPONENT_Library_DISPLAY_NAME "c-ares Library" )
+    set( CPACK_COMPONENT_Library_DESCRIPTION "The c-ares binary library." )
+    set( CPACK_COMPONENT_Library_REQUIRED 1 )
+    set( CPACK_COMPONENT_Devel_DISPLAY_NAME "c-ares Development Files" )
+    set( CPACK_COMPONENT_Devel_DESCRIPTION "Development files for compiling against c-ares." )
+    set( CPACK_COMPONENT_Devel_REQUIRED 0 )
+    IF (CARES_BUILD_TOOLS)
+        set( CPACK_COMPONENT_Tools_DISPLAY_NAME "c-ares Tools" )
+        set( CPACK_COMPONENT_Tools_DESCRIPTION "Tools for using c-ares." )
+        set( CPACK_COMPONENT_Tools_REQUIRED 0 )
+    ENDIF ()
+
+    if( ${CMAKE_SYSTEM_NAME} STREQUAL "Linux" )
+
+        if ( "${CPACK_PACKAGE_ARCHITECTURE}" STREQUAL "" )
+            # Note: the architecture should default to the local architecture, but it
+            # in fact comes up empty.  We call `uname -m` to ask the kernel instead.
+            EXECUTE_PROCESS( COMMAND uname -m COMMAND tr -d '\n' OUTPUT_VARIABLE CPACK_PACKAGE_ARCHITECTURE )
+        endif()
+
+        set( CPACK_INCLUDE_TOPLEVEL_DIRECTORY 1 )
+        set( CPACK_PACKAGE_RELEASE 1 )
+
+
+        # RPM - https://cmake.org/cmake/help/latest/cpack_gen/rpm.html
+        set( CPACK_RPM_PACKAGE_RELEASE ${CPACK_PACKAGE_RELEASE} )
+        set( CPACK_RPM_PACKAGE_ARCHITECTURE ${CPACK_PACKAGE_ARCHITECTURE} )
+        set( CPACK_RPM_PACKAGE_DESCRIPTION ${CPACK_PACKAGE_DESCRIPTION_SUMMARY} )
+        set( CPACK_RPM_PACKAGE_URL ${CPACK_PACKAGE_HOMEPAGE_URL} )
+        set( CPACK_RPM_PACKAGE_LICENSE "MIT" )
+        set( CPACK_RPM_COMPONENT_INSTALL 1 )
+        set( CPACK_RPM_COMPRESSION_TYPE "xz" )
+        set( CPACK_RPM_PACKAGE_AUTOPROV 1 )
+
+        set( CPACK_RPM_Library_PACKAGE_SUMMARY ${CPACK_COMPONENT_Library_DESCRIPTION} )
+        set( CPACK_RPM_Library_PACKAGE_ARCHITECTURE ${CPACK_RPM_PACKAGE_ARCHITECTURE} )
+        set( CPACK_RPM_Library_PACKAGE_NAME "libcares${CARES_LIB_VERSION_MAJOR}" )
+        set( CPACK_RPM_Library_FILE_NAME "RPM-DEFAULT" )
+
+        set( CPACK_RPM_Devel_PACKAGE_REQUIRES "cmake >= ${CMAKE_MINIMUM_REQUIRED_VERSION}, ${CPACK_RPM_Library_PACKAGE_NAME} >= ${CPACK_PACKAGE_VERSION}" )
+        set( CPACK_RPM_Devel_PACKAGE_SUMMARY ${CPACK_COMPONENT_Devel_DESCRIPTION} )
+        set( CPACK_RPM_Devel_PACKAGE_ARCHITECTURE ${CPACK_RPM_PACKAGE_ARCHITECTURE} )
+        set( CPACK_RPM_Devel_PACKAGE_NAME "${CPACK_PACKAGE_NAME}-devel" )
+        set( CPACK_RPM_Devel_FILE_NAME "RPM-DEFAULT" )
+
+        IF (CARES_BUILD_TOOLS)
+            set( CPACK_RPM_Tools_PACKAGE_REQUIRES "${CPACK_RPM_Library_PACKAGE_NAME} >= ${CPACK_PACKAGE_VERSION}" )
+            set( CPACK_RPM_Tools_PACKAGE_SUMMARY ${CPACK_COMPONENT_Tools_DESCRIPTION} )
+            set( CPACK_RPM_Tools_PACKAGE_ARCHITECTURE ${CPACK_RPM_PACKAGE_ARCHITECTURE} )
+            set( CPACK_RPM_Tools_PACKAGE_NAME "${CPACK_PACKAGE_NAME}-tools" )
+            set( CPACK_RPM_Tools_FILE_NAME "RPM-DEFAULT" )
+        ENDIF ()
+
+
+        # DEB - https://cmake.org/cmake/help/latest/cpack_gen/deb.html
+        set( CPACK_DEBIAN_PACKAGE_RELEASE ${CPACK_PACKAGE_RELEASE} )
+        set( CPACK_DEBIAN_PACKAGE_HOMEPAGE ${CPACK_PACKAGE_HOMEPAGE_URL} )
+        set( CPACK_DEB_COMPONENT_INSTALL 1 )
+        set( CPACK_DEBIAN_COMPRESSION_TYPE "xz")
+        set( CPACK_DEBIAN_PACKAGE_SHLIBDEPS 1 )
+
+        if ( ${CPACK_PACKAGE_ARCHITECTURE} STREQUAL "x86_64" )
+            set( CPACK_DEBIAN_PACKAGE_ARCHITECTURE "amd64" )  # DEB doesn't always use the kernel's arch name
+        else()
+            set( CPACK_DEBIAN_PACKAGE_ARCHITECTURE ${CPACK_PACKAGE_ARCHITECTURE} )
+        endif()
+
+        set( CPACK_DEBIAN_FILE_NAME "DEB-DEFAULT" ) # Use default naming scheme
+
+        set( CPACK_DEBIAN_LIBRARY_PACKAGE_NAME ${CPACK_RPM_Library_PACKAGE_NAME} )
+
+        set( CPACK_DEBIAN_DEVEL_PACKAGE_DEPENDS "cmake (>= ${CMAKE_MINIMUM_REQUIRED_VERSION}), ${CPACK_DEBIAN_LIBRARY_PACKAGE_NAME} (>= ${CPACK_PACKAGE_VERSION})" )
+        set( CPACK_DEBIAN_DEVEL_PACKAGE_NAME "${CPACK_PACKAGE_NAME}-dev" )
+
+        IF (CARES_BUILD_TOOLS)
+            set( CPACK_DEBIAN_TOOLS_PACKAGE_NAME "${CPACK_PACKAGE_NAME}-tools" )
+            set( CPACK_DEBIAN_TOOLS_PACKAGE_SHLIBDEPS OFF ) # dpkg-shlibdeps can't find the libs we built
+            set( CPACK_DEBIAN_TOOLS_PACKAGE_DEPENDS "${CPACK_DEBIAN_LIBRARY_PACKAGE_NAME} (>= ${CPACK_PACKAGE_VERSION})" )
+        ENDIF ()
+
+    elseif( ${CMAKE_HOST_WIN32} )
+        set( CPACK_NSIS_ENABLE_UNINSTALL_BEFORE_INSTALL ON )
+        set( CPACK_NSIS_DISPLAY_NAME ${PROJECT_NAME} )
+        set( CPACK_NSIS_PACKAGE_NAME ${PROJECT_NAME} )
+        set( CPACK_NSIS_URL_INFO_ABOUT ${CPACK_PACKAGE_HOMEPAGE_URL} )
+    endif()
+
+    # This must always be last!
+    include( CPack )
+ENDIF ()
diff -Nru nodejs-12.22.5~dfsg/deps/cares/CONTRIBUTING.md nodejs-12.22.12~dfsg/deps/cares/CONTRIBUTING.md
--- nodejs-12.22.5~dfsg/deps/cares/CONTRIBUTING.md	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/deps/cares/CONTRIBUTING.md	2022-04-05 07:16:59.000000000 +0000
@@ -0,0 +1,15 @@
+Contributing to c-ares
+======================
+
+To contribute patches to c-ares, please generate a GitHub pull request
+and follow these guidelines:
+
+ - Check that the Travis builds are green for your pull request.
+ - Please update the test suite to add a test case for any new functionality.
+ - Build the library with `./configure --enable-debug --enable-maintainer-mode` and
+   ensure there are no new warnings.
+
+To improve the chances of the c-ares maintainers responding to your request:
+
+ - Also send an email to the mailing list at `c-ares@lists.haxx.se` describing your change.
+ - To follow any associated discussion, please subscribe to the [mailing list](http://lists.haxx.se/listinfo/c-ares).
diff -Nru nodejs-12.22.5~dfsg/deps/cares/INSTALL.md nodejs-12.22.12~dfsg/deps/cares/INSTALL.md
--- nodejs-12.22.5~dfsg/deps/cares/INSTALL.md	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/deps/cares/INSTALL.md	2022-04-05 07:16:59.000000000 +0000
@@ -0,0 +1,409 @@
+** This file is adapted from libcurl and not yet fully rewritten for c-ares! **
+
+```
+                          ___       __ _ _ __ ___  ___
+                         / __| ___ / _` | '__/ _ \/ __|
+                        | (_  |___| (_| | | |  __/\__ \
+                         \___|     \__,_|_|  \___||___/
+
+                                How To Compile
+```
+
+Installing Binary Packages
+==========================
+
+Lots of people download binary distributions of c-ares. This document
+does not describe how to install c-ares using such a binary package.
+This document describes how to compile, build and install c-ares from
+source code.
+
+Building from Git
+=================
+
+If you get your code off a Git repository rather than an official
+release tarball, see the [GIT-INFO](GIT-INFO) file in the root directory
+for specific instructions on how to proceed.
+
+In particular, if not using CMake you will need to run `./buildconf` (Unix) or
+`buildconf.bat` (Windows) to generate build files, and for the former
+you will need a local installation of Autotools.  If using CMake the steps are
+the same for both Git and official release tarballs.
+
+AutoTools Build
+===============
+
+### General Information, works on most Unix Platforms (Linux, FreeBSD, etc)
+
+A normal Unix installation is made in three or four steps (after you've
+unpacked the source archive):
+
+    ./configure
+    make
+    make install
+
+You probably need to be root when doing the last command.
+
+If you have checked out the sources from the git repository, read the
+[GIT-INFO](GIT_INFO) on how to proceed.
+
+Get a full listing of all available configure options by invoking it like:
+
+    ./configure --help
+
+If you want to install c-ares in a different file hierarchy than /usr/local,
+you need to specify that already when running configure:
+
+    ./configure --prefix=/path/to/c-ares/tree
+
+If you happen to have write permission in that directory, you can do `make
+install` without being root. An example of this would be to make a local
+install in your own home directory:
+
+    ./configure --prefix=$HOME
+    make
+    make install
+
+### More Options
+
+To force configure to use the standard cc compiler if both cc and gcc are
+present, run configure like
+
+    CC=cc ./configure
+    # or
+    env CC=cc ./configure
+
+To force a static library compile, disable the shared library creation
+by running configure like:
+
+    ./configure --disable-shared
+
+If you're a c-ares developer and use gcc, you might want to enable more
+debug options with the `--enable-debug` option.
+
+### Special Cases
+
+Some versions of uClibc require configuring with `CPPFLAGS=-D_GNU_SOURCE=1`
+to get correct large file support.
+
+The Open Watcom C compiler on Linux requires configuring with the variables:
+
+    ./configure CC=owcc AR="$WATCOM/binl/wlib" AR_FLAGS=-q \
+        RANLIB=/bin/true STRIP="$WATCOM/binl/wstrip" CFLAGS=-Wextra
+
+
+### CROSS COMPILE
+
+(This section was graciously brought to us by Jim Duey, with additions by
+Dan Fandrich)
+
+Download and unpack the c-ares package.
+
+`cd` to the new directory. (e.g. `cd c-ares-1.7.6`)
+
+Set environment variables to point to the cross-compile toolchain and call
+configure with any options you need.  Be sure and specify the `--host` and
+`--build` parameters at configuration time.  The following script is an
+example of cross-compiling for the IBM 405GP PowerPC processor using the
+toolchain from MonteVista for Hardhat Linux.
+
+```sh
+#! /bin/sh
+
+export PATH=$PATH:/opt/hardhat/devkit/ppc/405/bin
+export CPPFLAGS="-I/opt/hardhat/devkit/ppc/405/target/usr/include"
+export AR=ppc_405-ar
+export AS=ppc_405-as
+export LD=ppc_405-ld
+export RANLIB=ppc_405-ranlib
+export CC=ppc_405-gcc
+export NM=ppc_405-nm
+
+./configure --target=powerpc-hardhat-linux \
+     --host=powerpc-hardhat-linux \
+     --build=i586-pc-linux-gnu \
+     --prefix=/opt/hardhat/devkit/ppc/405/target/usr/local \
+     --exec-prefix=/usr/local
+```
+
+You may also need to provide a parameter like `--with-random=/dev/urandom`
+to configure as it cannot detect the presence of a random number
+generating device for a target system.  The `--prefix` parameter
+specifies where c-ares will be installed.  If `configure` completes
+successfully, do `make` and `make install` as usual.
+
+In some cases, you may be able to simplify the above commands to as
+little as:
+
+    ./configure --host=ARCH-OS
+
+
+### Cygwin (Windows)
+
+Almost identical to the unix installation. Run the configure script in the
+c-ares root with `sh configure`. Make sure you have the sh executable in
+`/bin/` or you'll see the configure fail toward the end.
+
+Run `make`
+
+
+### QNX
+
+(This section was graciously brought to us by David Bentham)
+
+As QNX is targeted for resource constrained environments, the QNX headers
+set conservative limits. This includes the `FD_SETSIZE` macro, set by default
+to 32. Socket descriptors returned within the c-ares library may exceed this,
+resulting in memory faults/SIGSEGV crashes when passed into `select(..)`
+calls using `fd_set` macros.
+
+A good all-round solution to this is to override the default when building
+c-ares, by overriding `CFLAGS` during configure, example:
+
+    # configure CFLAGS='-DFD_SETSIZE=64 -g -O2'
+
+
+### RISC OS
+
+The library can be cross-compiled using gccsdk as follows:
+
+    CC=riscos-gcc AR=riscos-ar RANLIB='riscos-ar -s' ./configure \
+         --host=arm-riscos-aof --without-random --disable-shared
+    make
+
+where `riscos-gcc` and `riscos-ar` are links to the gccsdk tools.
+You can then link your program with `c-ares/lib/.libs/libcares.a`.
+
+
+### Android
+
+Method using a configure cross-compile (tested with Android NDK r7b):
+
+  - prepare the toolchain of the Android NDK for standalone use; this can
+    be done by invoking the script:
+
+        ./tools/make-standalone-toolchain.sh
+
+    which creates a usual cross-compile toolchain. Lets assume that you put
+    this toolchain below `/opt` then invoke configure with something
+    like:
+
+    ```
+        export PATH=/opt/arm-linux-androideabi-4.4.3/bin:$PATH
+       ./configure --host=arm-linux-androideabi [more configure options]
+        make
+    ```
+  - if you want to compile directly from our GIT repo you might run into
+    this issue with older automake stuff:
+
+    ```
+        checking host system type...
+        Invalid configuration `arm-linux-androideabi':
+        system `androideabi' not recognized
+        configure: error: /bin/sh ./config.sub arm-linux-androideabi failed
+    ```
+    this issue can be fixed with using more recent versions of `config.sub`
+    and `config.guess` which can be obtained here:
+    http://git.savannah.gnu.org/gitweb/?p=config.git;a=tree
+    you need to replace your system-own versions which usually can be
+    found in your automake folder:
+    `find /usr -name config.sub`
+
+
+CMake builds
+============
+
+Current releases of c-ares introduce a CMake v3+ build system that has been
+tested on most platforms including Windows, Linux, FreeBSD, MacOS, AIX and
+Solaris.
+
+In the most basic form, building with CMake might look like:
+
+```sh
+cd /path/to/cmake/source
+mkdir build
+cd build
+cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr/local/cares ..
+make
+sudo make install
+```
+
+Options
+-------
+
+Options to CMake are passed on the command line using "-D${OPTION}=${VALUE}".
+The values defined are all boolean and take values like On, Off, True, False.
+
+* CARES_STATIC - Build the static library (off by default)
+* CARES_SHARED - Build the shared library (on by default)
+* CARES_INSTALL - Hook in installation, useful to disable if chain building
+* CARES_STATIC_PIC - Build the static library as position-independent (off by
+   default)
+
+
+Ninja
+-----
+
+Ninja is the next-generation build system meant for generators like CMake that
+heavily parallize builds.  Its use is very similar to the normal build:
+
+```sh
+cd /path/to/cmake/source
+mkdir build
+cd build
+cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr/local/cares -G "Ninja" ..
+ninja
+sudo ninja install
+```
+
+Windows MSVC Command Line
+-------------------------
+
+```
+cd \path\to\cmake\source
+mkdir build
+cd build
+cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=C:\cares -G "NMake Makefiles" ..
+nmake
+nmake install
+```
+
+Windows MinGW-w64 Command Line via MSYS
+---------------------------------------
+```
+cd \path\to\cmake\source
+mkdir build
+cd build
+cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=C:\cares -G "MSYS Makefiles" ..
+make
+make install
+```
+
+
+Platform-specific build systems
+===============================
+
+Win32
+-----
+
+### Building Windows DLLs and C run-time (CRT) linkage issues
+
+As a general rule, building a DLL with static CRT linkage is highly
+discouraged, and intermixing CRTs in the same app is something to
+avoid at any cost.
+
+Reading and comprehension of Microsoft Knowledge Base articles
+KB94248 and KB140584 is a must for any Windows developer. Especially
+important is full understanding if you are not going to follow the
+advice given above.
+
+ - [KB94248](http://support.microsoft.com/kb/94248/en-us) - How To Use the C Run-Time
+
+ - [KB140584](http://support.microsoft.com/kb/140584/en-us) - How to link with the correct C Run-Time (CRT) library
+
+ - [KB190799](http://msdn.microsoft.com/en-us/library/ms235460) - Potential Errors Passing CRT Objects Across DLL Boundaries
+
+If your app is misbehaving in some strange way, or it is suffering
+from memory corruption, before asking for further help, please try
+first to rebuild every single library your app uses as well as your
+app using the debug multithreaded dynamic C runtime.
+
+
+### MingW32
+
+Make sure that MinGW32's bin dir is in the search path, for example:
+
+    set PATH=c:\mingw32\bin;%PATH%
+
+then run 'make -f Makefile.m32' in the root dir.
+
+
+### MSVC 6 caveats
+
+If you use MSVC 6 it is required that you use the February 2003 edition PSDK:
+http://www.microsoft.com/msdownload/platformsdk/sdkupdate/psdk-full.htm
+
+
+### MSVC from command line
+
+Run the `vcvars32.bat` file to get a proper environment. The
+`vcvars32.bat` file is part of the Microsoft development environment and
+you may find it in `C:\Program Files\Microsoft Visual Studio\vc98\bin`
+provided that you installed Visual C/C++ 6 in the default directory.
+
+Further details in [README.msvc](README.msvc)
+
+
+### Important static c-ares usage note
+
+When building an application that uses the static c-ares library, you must
+add `-DCARES_STATICLIB` to your `CFLAGS`.  Otherwise the linker will look for
+dynamic import symbols.
+
+
+IBM OS/2
+--------
+
+Building under OS/2 is not much different from building under unix.
+You need:
+
+  - emx 0.9d
+  - GNU make
+  - GNU patch
+  - ksh
+  - GNU bison
+  - GNU file utilities
+  - GNU sed
+  - autoconf 2.13
+
+If during the linking you get an error about `_errno` being an undefined
+symbol referenced from the text segment, you need to add `-D__ST_MT_ERRNO__`
+in your definitions.
+
+If you're getting huge binaries, probably your makefiles have the `-g` in
+`CFLAGS`.
+
+
+NetWare
+-------
+
+To compile `libcares.a` / `libcares.lib` you need:
+
+ - either any gcc / nlmconv, or CodeWarrior 7 PDK 4 or later.
+ - gnu make and awk running on the platform you compile on;
+   native Win32 versions can be downloaded from:
+   http://www.gknw.net/development/prgtools/
+ - recent Novell LibC SDK available from:
+   http://developer.novell.com/ndk/libc.htm
+ - or recent Novell CLib SDK available from:
+   http://developer.novell.com/ndk/clib.htm
+
+Set a search path to your compiler, linker and tools; on Linux make
+sure that the var `OSTYPE` contains the string 'linux'; set the var
+`NDKBASE` to point to the base of your Novell NDK; and then type
+`make -f Makefile.netware` from the top source directory;
+
+
+PORTS
+=====
+
+This is a probably incomplete list of known hardware and operating systems
+that c-ares has been compiled for. If you know a system c-ares compiles and
+runs on, that isn't listed, please let us know!
+
+     - Alpha Tru64 v5.0 5.1
+     - ARM Android 1.5, 2.1, 2.3
+     - MIPS IRIX 6.2, 6.5
+     - Power AIX 3.2.5, 4.2, 4.3.1, 4.3.2, 5.1, 5.2
+     - i386 Linux 1.3, 2.0, 2.2, 2.3, 2.4, 2.6
+     - i386 Novell NetWare
+     - i386 Windows 95, 98, ME, NT, 2000, XP, 2003
+     - x86_64 Linux
+
+
+Useful URLs
+===========
+
+ - c-ares: https://c-ares.org/
+ - MingW: http://www.mingw.org/
+ - MinGW-w64: http://mingw-w64.sourceforge.net/
+ - OpenWatcom: http://www.openwatcom.org/
diff -Nru nodejs-12.22.5~dfsg/deps/cares/Makefile.Watcom nodejs-12.22.12~dfsg/deps/cares/Makefile.Watcom
--- nodejs-12.22.5~dfsg/deps/cares/Makefile.Watcom	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/deps/cares/Makefile.Watcom	2022-04-05 07:16:59.000000000 +0000
@@ -0,0 +1,164 @@
+#
+#  Watcom / OpenWatcom / Win32 makefile for cares.
+#  Quick hack by Guenter; comments to: /dev/nul
+#
+
+!ifndef %watcom
+!error WATCOM environment variable not set!
+!else
+SYS_INCL = -I$(%watcom)\h\nt -I$(%watcom)\h
+SYS_LIBS = $(%watcom)\lib386\nt;$(%watcom)\lib386
+!endif
+
+!ifdef %libname
+LIBNAME = $(%libname)
+!else
+LIBNAME	= cares
+!endif
+TARGETS = $(LIBNAME).dll $(LIBNAME)_imp.lib $(LIBNAME).lib
+DEMOS   = adig.exe ahost.exe acountry.exe
+
+CC = wcc386
+LD = wlink
+AR = wlib
+RC = wrc
+
+!ifdef __LOADDLL__
+!  loaddll wcc386  wccd386
+!  loaddll wpp386  wppd386
+!  loaddll wlib    wlibd
+!endif
+
+!if $(__VERSION__) < 1250
+RM = del /q /f 2>NUL
+!else
+RM = rm -f
+!endif
+MD = mkdir
+RD = rmdir /q /s 2>NUL
+CP = copy
+
+CFLAGS = -3r -mf -hc -zff -zgf -zq -zm -zc -s -fr=con -w2 -fpi -oilrtfm &
+         -wcd=201 -bt=nt -d+ -dWIN32 -dCARES_BUILDING_LIBRARY           &
+         -dNTDDI_VERSION=0x05010000 -I. $(SYS_INCL)
+
+LFLAGS = option quiet, map, caseexact, eliminate
+
+!ifdef %debug
+DEBUG  = -dDEBUG=1 -dDEBUGBUILD
+CFLAGS += -d3 $(DEBUG)
+LFLAGS += debug all
+!else
+CFLAGS += -d0
+!endif
+
+CFLAGS += -d_WIN32_WINNT=0x0600
+
+#
+# Change to suite.
+#
+!ifdef %use_watt32
+CFLAGS += -dWATT32 -I$(%watt_root)\inc
+!endif
+
+OBJ_BASE = WC_Win32.obj
+LINK_ARG = $(OBJ_BASE)\dyn\wlink.arg
+LIB_ARG  = $(OBJ_BASE)\stat\wlib.arg
+
+# In order to process Makefile.inc wmake must be called with -u switch!
+!ifneq __MAKEOPTS__ -u
+!error You MUST call wmake with the -u switch!
+!else
+!include Makefile.inc
+!endif
+
+OBJS = $(CSOURCES:.c=.obj)
+OBJS = $OBJ_DIR\$(OBJS: = $OBJ_DIR\)
+
+#
+# Use $(OBJS) as a template to generate $(OBJS_STAT) and $(OBJS_DYN).
+#
+OBJ_DIR    = $(OBJ_BASE)\stat
+OBJS_STAT  = $+ $(OBJS) $-
+
+OBJ_DIR    = $(OBJ_BASE)\dyn
+OBJS_DYN   = $+ $(OBJS) $-
+
+ARESBUILDH = ares_build.h
+RESOURCE   = $(OBJ_BASE)\dyn\cares.res
+
+all: $(ARESBUILDH) $(OBJ_BASE) $(TARGETS) $(DEMOS) .SYMBOLIC
+	@echo Welcome to cares
+
+$(OBJ_BASE):
+	-$(MD) $^@
+	-$(MD) $^@\stat
+	-$(MD) $^@\dyn
+	-$(MD) $^@\demos
+
+$(ARESBUILDH): .EXISTSONLY
+	$(CP) $^@.dist $^@
+
+$(LIBNAME).dll: $(OBJS_DYN) $(RESOURCE) $(LINK_ARG)
+	$(LD) name $^@ @$]@
+
+$(LIBNAME).lib: $(OBJS_STAT) $(LIB_ARG)
+	$(AR) -q -b -c $^@ @$]@
+
+adig.exe: $(OBJ_BASE)\demos\adig.obj $(OBJ_BASE)\demos\ares_getopt.obj $(LIBNAME).lib
+	$(LD) name $^@ system nt $(LFLAGS) file { $(OBJ_BASE)\demos\ares_getopt.obj $[@ } library $]@, ws2_32.lib
+
+ahost.exe: $(OBJ_BASE)\demos\ahost.obj $(OBJ_BASE)\demos\ares_getopt.obj $(LIBNAME).lib
+	$(LD) name $^@ system nt $(LFLAGS) file { $(OBJ_BASE)\demos\ares_getopt.obj $[@ } library $]@, ws2_32.lib
+
+acountry.exe: $(OBJ_BASE)\demos\acountry.obj $(OBJ_BASE)\demos\ares_getopt.obj $(LIBNAME).lib
+	$(LD) name $^@ system nt $(LFLAGS) file { $(OBJ_BASE)\demos\ares_getopt.obj $[@ } library $]@, ws2_32.lib
+
+clean: .SYMBOLIC
+	-$(RM) $(OBJS_STAT)
+	-$(RM) $(OBJS_DYN)
+	-$(RM) $(RESOURCE) $(LINK_ARG) $(LIB_ARG)
+
+vclean realclean: clean .SYMBOLIC
+	-$(RM) $(TARGETS) $(LIBNAME).map
+	-$(RM) $(DEMOS) $(DEMOS:.exe=.map)
+	-$(RD) $(OBJ_BASE)\stat
+	-$(RD) $(OBJ_BASE)\dyn
+	-$(RD) $(OBJ_BASE)\demos
+	-$(RD) $(OBJ_BASE)
+
+.ERASE
+$(RESOURCE): cares.rc .AUTODEPEND
+	$(RC) $(DEBUG) -q -r -zm -I..\include $(SYS_INCL) $[@ -fo=$^@
+
+.ERASE
+.c{$(OBJ_BASE)\dyn}.obj:
+	$(CC) $(CFLAGS) -bd $[@ -fo=$^@
+
+.ERASE
+.c{$(OBJ_BASE)\stat}.obj:
+	$(CC) $(CFLAGS) -DCARES_STATICLIB $[@ -fo=$^@
+
+.ERASE
+.c{$(OBJ_BASE)\demos}.obj:
+	$(CC) $(CFLAGS) -DCARES_STATICLIB $[@ -fo=$^@
+
+$(LINK_ARG): $(__MAKEFILES__)
+	%create $^@
+	@%append $^@ system nt dll
+	@%append $^@ file { $(OBJS_DYN) }
+	@%append $^@ option res=$(RESOURCE), implib=$(LIBNAME)_imp.lib 
+	@%append $^@ $(LFLAGS)
+	@%append $^@ libpath $(SYS_LIBS)
+#	@%append $^@ library clib3r.lib
+!ifdef %use_watt32
+	@%append $^@ library $(%watt_root)\lib\wattcpw_imp.lib
+!else
+	@%append $^@ library ws2_32.lib
+!endif
+
+$(LIB_ARG): $(__MAKEFILES__)
+	%create $^@
+	@for %f in ($(OBJS_STAT)) do @%append $^@ +- %f
+
+
diff -Nru nodejs-12.22.5~dfsg/deps/cares/Makefile.am nodejs-12.22.12~dfsg/deps/cares/Makefile.am
--- nodejs-12.22.5~dfsg/deps/cares/Makefile.am	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/deps/cares/Makefile.am	2022-04-05 07:16:59.000000000 +0000
@@ -0,0 +1,37 @@
+AUTOMAKE_OPTIONS = foreign nostdinc 1.9.6
+ACLOCAL_AMFLAGS = -I m4 --install
+
+MSVCFILES = msvc_ver.inc buildconf.bat
+
+# adig and ahost are just sample programs and thus not mentioned with the
+# regular sources and headers
+EXTRA_DIST = AUTHORS CHANGES README.cares $(man_MANS) RELEASE-NOTES	\
+ c-ares-config.cmake.in libcares.pc.cmake libcares.pc.in buildconf get_ver.awk \
+ maketgz TODO README.msvc $(MSVCFILES) INSTALL.md README.md LICENSE.md \
+ CMakeLists.txt Makefile.dj Makefile.m32 Makefile.netware Makefile.msvc \
+ Makefile.Watcom AUTHORS CONTRIBUTING.md SECURITY.md TODO
+
+
+CLEANFILES = $(PDFPAGES) $(HTMLPAGES)
+
+DISTCLEANFILES = include/ares_build.h
+
+DIST_SUBDIRS = include src test docs
+
+SUBDIRS = @BUILD_SUBDIRS@
+
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = libcares.pc
+
+# where to install the c-ares headers
+libcares_ladir = $(includedir)
+
+
+# Make files named *.dist replace the file without .dist extension
+dist-hook:
+	find $(distdir) -name "*.dist" -exec rm {} \;
+	(distit=`find $(srcdir) -name "*.dist"`; \
+	for file in $$distit; do \
+	  strip=`echo $$file | sed -e s/^$(srcdir)// -e s/\.dist//`; \
+	  cp $$file $(distdir)$$strip; \
+	done)
diff -Nru nodejs-12.22.5~dfsg/deps/cares/Makefile.dj nodejs-12.22.12~dfsg/deps/cares/Makefile.dj
--- nodejs-12.22.5~dfsg/deps/cares/Makefile.dj	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/deps/cares/Makefile.dj	2022-04-05 07:16:59.000000000 +0000
@@ -0,0 +1,102 @@
+#
+# c-ares Makefile for djgpp/gcc/Watt-32.
+#   By Gisle Vanem <gvanem@yahoo.no> 2004 - 2020.
+#
+include src/lib/Makefile.inc
+
+CSOURCES := $(addprefix src/lib/, $(CSOURCES))
+CSOURCES := $(filter-out src/lib/windows_port.c, $(CSOURCES))
+
+VPATH = src/lib src/tools
+
+#
+# Root directory for Waterloo tcp/ip.
+# WATT_ROOT should be set during Watt-32 install.
+#
+WATT32_ROOT = $(realpath $(WATT_ROOT))
+WATT32_LIB  = $(WATT32_ROOT)/lib/libwatt.a
+
+OBJ_DIR = djgpp
+
+CFLAGS = -g -O2 -I./include -I./src/lib \
+         -I$(WATT32_ROOT)/inc -Wall \
+         -DWATT32 -DHAVE_CONFIG_H   \
+         -Dselect=select_s
+
+LDFLAGS = -s
+
+ifeq ($(OS),Windows_NT)
+  #
+  # Windows hosted djgpp cross compiler. Get it from:
+  #   https://github.com/andrewwutw/build-djgpp/releases
+  #
+  DJ_PREFIX ?= c:/some-path/djgpp/bin/i586-pc-msdosdjgpp-
+  CC = $(DJ_PREFIX)gcc
+
+else
+  #
+  # The normal djgpp 'gcc' for MSDOS.
+  #
+  CC = gcc
+endif
+
+OBJECTS = $(addprefix $(OBJ_DIR)/, \
+            $(notdir $(CSOURCES:.c=.o)))
+
+GENERATED = src/lib/ares_config.h \
+            include/ares_build.h
+
+TARGETS = libcares.a acountry.exe adig.exe ahost.exe
+
+.SECONDARY: $(OBJ_DIR)/ares_getopt.o
+
+all: $(OBJ_DIR) $(GENERATED) $(TARGETS)
+	@echo Welcome to c-ares.
+
+libcares.a: $(OBJECTS)
+	ar rs $@ $(OBJECTS)
+
+src/lib/ares_config.h: src/lib/config-dos.h
+	cp --update $< $@
+
+include/ares_build.h: include/ares_build.h.dist
+	cp --update $< $@
+
+%.exe: src/tools/%.c $(OBJ_DIR)/ares_getopt.o libcares.a
+	$(call compile_and_link, $@, $^ $(WATT32_LIB))
+
+# Clean generated files and objects.
+#
+clean:
+	- rm -f depend.dj $(GENERATED) $(OBJ_DIR)/*.o
+	- rmdir $(OBJ_DIR)
+
+# Clean everything
+#
+realclean vclean: clean
+	- rm -f $(TARGETS) $(TARGETS:.exe=.map)
+
+$(OBJ_DIR):
+	- mkdir $@
+
+$(OBJ_DIR)/%.o: %.c
+	$(CC) $(CFLAGS) -o $@ -c $<
+	@echo
+
+define compile_and_link
+  $(CC) -o $(1) $(CFLAGS) $(LDFLAGS) -Wl,--print-map,--sort-common $(2) > $(1:.exe=.map)
+  @echo
+endef
+
+DEP_REPLACE = sed -e 's@\(.*\)\.o: @\n$$(OBJ_DIR)\/\1.o: @' \
+                  -e 's@$(WATT32_ROOT)@$$(WATT32_ROOT)@g'
+
+#
+# One may have to do 'make -f Makefile.dj clean' first in case
+# a foreign 'curl_config.h' is making trouble.
+#
+depend: $(GENERATED) Makefile.dj
+	$(CC) -MM $(CFLAGS) $(CSOURCES) | $(DEP_REPLACE) > depend.dj
+
+-include depend.dj
+
diff -Nru nodejs-12.22.5~dfsg/deps/cares/Makefile.in nodejs-12.22.12~dfsg/deps/cares/Makefile.in
--- nodejs-12.22.5~dfsg/deps/cares/Makefile.in	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/deps/cares/Makefile.in	2022-04-05 07:16:59.000000000 +0000
@@ -0,0 +1,938 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
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+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
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+    true; \
+  else \
+    false; \
+  fi; \
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+am__make_running_with_option = \
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+  fi; \
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+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
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+transform = $(program_transform_name)
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+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
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+install-ps: install-ps-recursive
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-recursive
+	-rm -f $(am__CONFIG_DISTCLEAN_FILES)
+	-rm -rf $(top_srcdir)/autom4te.cache
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-recursive
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-recursive
+
+pdf-am:
+
+ps: ps-recursive
+
+ps-am:
+
+uninstall-am: uninstall-pkgconfigDATA
+
+.MAKE: $(am__recursive_targets) install-am install-strip
+
+.PHONY: $(am__recursive_targets) CTAGS GTAGS TAGS all all-am \
+	am--refresh check check-am clean clean-cscope clean-generic \
+	clean-libtool cscope cscopelist-am ctags ctags-am dist \
+	dist-all dist-bzip2 dist-gzip dist-hook dist-lzip dist-shar \
+	dist-tarZ dist-xz dist-zip dist-zstd distcheck distclean \
+	distclean-generic distclean-libtool distclean-tags \
+	distcleancheck distdir distuninstallcheck dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-pkgconfigDATA install-ps install-ps-am install-strip \
+	installcheck installcheck-am installdirs installdirs-am \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am uninstall-pkgconfigDATA
+
+.PRECIOUS: Makefile
+
+
+# Make files named *.dist replace the file without .dist extension
+dist-hook:
+	find $(distdir) -name "*.dist" -exec rm {} \;
+	(distit=`find $(srcdir) -name "*.dist"`; \
+	for file in $$distit; do \
+	  strip=`echo $$file | sed -e s/^$(srcdir)// -e s/\.dist//`; \
+	  cp $$file $(distdir)$$strip; \
+	done)
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff -Nru nodejs-12.22.5~dfsg/deps/cares/Makefile.m32 nodejs-12.22.12~dfsg/deps/cares/Makefile.m32
--- nodejs-12.22.5~dfsg/deps/cares/Makefile.m32	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/deps/cares/Makefile.m32	2022-04-05 07:16:59.000000000 +0000
@@ -0,0 +1,77 @@
+#############################################################
+#
+## Makefile for building libcares.a with MingW32 (GCC-3.2)
+## Use: make -f Makefile.m32 [demos]
+##
+## Quick hack by Guenter; comments to: /dev/nul
+#
+########################################################
+## Nothing more to do below this line!
+
+LIB	= src/lib/libcares.a
+
+AR	= $(CROSSPREFIX)ar
+CC	= $(CROSSPREFIX)gcc
+LD	= $(CROSSPREFIX)gcc
+RANLIB	= $(CROSSPREFIX)ranlib
+#RM	= rm -f
+CP	= cp -afv
+
+CFLAGS	= $(CARES_CFLAG_EXTRAS) -O2 -Wall -I./include -I./src/lib -D_WIN32_WINNT=0x0600
+CFLAGS	+= -DCARES_STATICLIB
+LDFLAGS	= $(CARES_LDFLAG_EXTRAS) -s
+LIBS	= -lws2_32 -liphlpapi
+
+# Makefile.inc provides the CSOURCES and HHEADERS defines
+include src/lib/Makefile.inc
+
+OBJLIB	:= $(patsubst %.c,src/lib/%.o,$(strip $(CSOURCES)))
+
+
+$(LIB): $(OBJLIB)
+	$(AR) cru $@ $^
+	$(RANLIB) $@
+
+all: $(LIB) demos
+
+demos: src/tools/adig.exe src/tools/ahost.exe src/tools/acountry.exe
+
+tags:
+	etags *.[ch]
+
+%.exe: %.o src/tools/ares_getopt.o $(LIB)
+	$(LD) $(LDFLAGS) -o $@ $^ $(LIBS)
+
+$(OBJLIB): include/ares.h include/ares_dns.h include/ares_build.h
+
+.c.o:
+	$(CC) $(CFLAGS) -o $@ -c $<
+
+include/ares_build.h:
+	$(CP) include/ares_build.h.dist include/ares_build.h
+
+check:
+
+install:
+	${top_srcdir}/mkinstalldirs ${DESTDIR}${libdir}
+	${top_srcdir}/mkinstalldirs ${DESTDIR}${includedir}
+	${top_srcdir}/mkinstalldirs ${DESTDIR}${mandir}/man3
+	${INSTALL} -m 644 $(LIB) ${DESTDIR}${libdir}
+	${RANLIB} ${DESTDIR}${libdir}/$(LIB)
+	chmod u-w ${DESTDIR}${libdir}/$(LIB)
+	${INSTALL} -m 444 ${srcdir}/include/ares.h ${DESTDIR}${includedir}
+	${INSTALL} -m 444 ${srcdir}/include/ares_build.h ${DESTDIR}${includedir}
+	${INSTALL} -m 444 ${srcdir}/include/ares_rules.h ${DESTDIR}${includedir}
+	${INSTALL} -m 444 ${srcdir}/include/ares_version.h ${DESTDIR}${includedir}
+	(for man in $(MANPAGES); do \
+	   ${INSTALL} -m 444 ${srcdir}/$${man} ${DESTDIR}${mandir}/man3; \
+	done)
+
+clean:
+	$(RM) src/tools/ares_getopt.o $(OBJLIB) $(LIB) src/tools/adig.exe src/tools/ahost.exe src/tools/acountry.exe
+
+distclean: clean
+	$(RM) config.cache config.log config.status Makefile
+ifeq "$(wildcard include/ares_build.h.dist)" "include/ares_build.h.dist"
+	$(RM) include/ares_build.h
+endif
diff -Nru nodejs-12.22.5~dfsg/deps/cares/Makefile.msvc nodejs-12.22.12~dfsg/deps/cares/Makefile.msvc
--- nodejs-12.22.5~dfsg/deps/cares/Makefile.msvc	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/deps/cares/Makefile.msvc	2022-04-05 07:16:59.000000000 +0000
@@ -0,0 +1,491 @@
+
+# Copyright (C) 2009-2013 by Daniel Stenberg
+#
+# Permission to use, copy, modify, and distribute this
+# software and its documentation for any purpose and without
+# fee is hereby granted, provided that the above copyright
+# notice appear in all copies and that both that copyright
+# notice and this permission notice appear in supporting
+# documentation, and that the name of M.I.T. not be used in
+# advertising or publicity pertaining to distribution of the
+# software without specific, written prior permission.
+# M.I.T. makes no representations about the suitability of
+# this software for any purpose.  It is provided "as is"
+# without express or implied warranty.
+
+# ------------------------------------------------------------------------------
+#
+# Makefile for building c-ares libraries and sample programs with MSVC.
+#
+# Usage: nmake /f makefile.msvc CFG=<config> <target>
+#
+# <config> must be one of: [ lib-release | lib-debug | dll-release | dll-debug }
+# <target> must be one of: [ ALL | c-ares | acountry | adig | ahost | clean }
+#
+# If a <target> other than ALL or clean is given, <config> becomes mandatory.
+#
+# If neither <config> nor <target> are specified this results in
+# all targets being built for all <config> c-ares library types.
+#
+# This makefile must be processed from the subdir where it is located.
+#
+# All results are generated below a subdirectory named msvcXXX.
+#
+# ------------------------------------------------------------------------------
+
+NAME = cares
+
+# ------------------------------------------------
+# c-ares static and dynamic libraries common base
+# file names for release and debug configurations
+# ------------------------------------------------
+
+STA_LIB_REL = lib$(NAME)
+DYN_LIB_REL = $(NAME)
+STA_LIB_DBG = $(STA_LIB_REL)d
+DYN_LIB_DBG = $(DYN_LIB_REL)d
+
+# -------------------------------------------
+# Base names for c-ares DLL import libraries
+# -------------------------------------------
+
+IMP_LIB_REL = $(DYN_LIB_REL)
+IMP_LIB_DBG = $(DYN_LIB_DBG)
+
+# --------------------------
+# Runtime library selection
+# --------------------------
+
+RTLIB  = /MD
+RTLIBD = /MDd
+
+!IF "$(RTLIBCFG)" == "static"
+RTLIB  = /MT
+RTLIBD = /MTd
+!ENDIF
+
+# --------------------------------------------------------
+# Define USE_WATT32 to 1 to use the Watt-32 tcp/ip stack,
+# otherwise Winsock tcp/ip stack will be used as default.
+# --------------------------------------------------------
+
+USE_WATT32 = 0
+
+# --------------------------------------------------------
+# Detect compiler version.
+# --------------------------------------------------------
+!INCLUDE .\msvc_ver.inc
+
+# ----------------------------------------------------
+# Verify that current subdir is the c-ares source one
+# ----------------------------------------------------
+
+!IF ! EXIST(.\src\lib\ares_init.c)
+!  MESSAGE Can not process Makefile.msvc from outside of c-ares source subdirectory.
+!  MESSAGE Change to the subdirectory where Makefile.msvc is found, and try again.
+!  ERROR   See previous message.
+!ENDIF
+
+# ------------------------------------------------------------------
+# Base subdir is the common root from which other subdirs will hang.
+# ------------------------------------------------------------------
+
+BASE_DIR = .\msvc
+
+# ----------------------------------------
+# Subdir holding sources for all projects
+# ----------------------------------------
+
+SRCDIR = .
+
+# -----------------------------
+# Default installation subdirs
+# -----------------------------
+
+!IFNDEF INSTALL_DIR
+INSTALL_DIR = .
+!ENDIF
+
+!IFNDEF INSTALL_DIR_LIB
+INSTALL_DIR_LIB = $(INSTALL_DIR)\lib
+!ENDIF
+
+!IFNDEF INSTALL_DIR_INC
+INSTALL_DIR_INC = $(INSTALL_DIR)\include
+!ENDIF
+
+# -------------------------
+# Configuration validation
+# -------------------------
+
+VALID_CFGSET = FALSE
+!IF "$(CFG)" == "lib-release" || "$(CFG)" == "lib-debug" || \
+    "$(CFG)" == "dll-release" || "$(CFG)" == "dll-debug"
+VALID_CFGSET = TRUE
+!ENDIF
+
+!IF "$(VALID_CFGSET)" == "FALSE" && "$(CFG)" != ""
+!  MESSAGE MSVC c-ares makefile
+!  MESSAGE
+!  MESSAGE Usage: nmake /f makefile.msvc CFG=<config> <target>
+!  MESSAGE
+!  MESSAGE <config> must be one of: [ lib-release | lib-debug | dll-release | dll-debug }
+!  MESSAGE <target> must be one of: [ ALL | c-ares | acountry | adig | ahost | clean }
+!  MESSAGE
+!  MESSAGE If a <target> other than ALL or clean is given, <config> becomes mandatory.
+!  MESSAGE
+!  MESSAGE If neither <config> nor <target> are specified this results in
+!  MESSAGE all targets being built for all <config> c-ares library types.
+!  MESSAGE
+!  ERROR Choose a valid configuration.
+!ENDIF
+
+# --------------------------------------------------------
+# Project subdirs independent of configuration being used
+# --------------------------------------------------------
+
+CARES_DIR = $(BASE_DIR)\cares
+PROG1_DIR = $(BASE_DIR)\acountry
+PROG2_DIR = $(BASE_DIR)\adig
+PROG3_DIR = $(BASE_DIR)\ahost
+
+# ---------------------------------------------------
+# Subdirs which are configuration dependent are only
+# defined when a valid configuration has been given.
+# ---------------------------------------------------
+
+!IF "$(VALID_CFGSET)" == "TRUE"
+CARES_OUTDIR = $(CARES_DIR)\$(CFG)
+PROG1_OUTDIR = $(PROG1_DIR)\$(CFG)
+PROG2_OUTDIR = $(PROG2_DIR)\$(CFG)
+PROG3_OUTDIR = $(PROG3_DIR)\$(CFG)
+CARES_OBJDIR = $(CARES_OUTDIR)\obj
+PROG1_OBJDIR = $(PROG1_OUTDIR)\obj
+PROG2_OBJDIR = $(PROG2_OUTDIR)\obj
+PROG3_OBJDIR = $(PROG3_OUTDIR)\obj
+!ELSE
+!UNDEF CARES_OUTDIR
+!UNDEF PROG1_OUTDIR
+!UNDEF PROG2_OUTDIR
+!UNDEF PROG3_OUTDIR
+!UNDEF CARES_OBJDIR
+!UNDEF PROG1_OBJDIR
+!UNDEF PROG2_OBJDIR
+!UNDEF PROG3_OBJDIR
+!ENDIF
+
+# -------------------------------------
+# Settings that depend on tcp/ip stack
+# -------------------------------------
+
+!IF "$(USE_WATT32)" == "1"
+CFLAGS  = /UWIN32 /DWATT32 /I$(WATT_ROOT)\inc
+EX_LIBS_REL = $(WATT_ROOT)\lib\wattcpvc_imp.lib
+EX_LIBS_DBG = $(WATT_ROOT)\lib\wattcpvc_imp_d.lib
+!ELSE
+CFLAGS  = /DWIN32 /D_WIN32_WINNT=0x0600
+EX_LIBS_REL = ws2_32.lib advapi32.lib kernel32.lib iphlpapi.lib
+EX_LIBS_DBG = ws2_32.lib advapi32.lib kernel32.lib iphlpapi.lib
+!ENDIF
+
+# -------------------------------------------------
+# Switches that depend on ancient compiler versions
+# -------------------------------------------------
+
+!IF $(CC_VERS_NUM) == 60
+PDB_NONE            = /pdb:none
+PDBTYPE_CONSOLIDATE = /pdbtype:consolidate
+!ELSE
+!UNDEF PDB_NONE
+!UNDEF PDBTYPE_CONSOLIDATE
+!ENDIF
+
+!IF $(CC_VERS_NUM) <= 70
+RT_ERROR_CHECKING = /GZ
+!ELSE
+RT_ERROR_CHECKING = /RTCsu
+!ENDIF
+
+# ----------------------------
+# Assorted commands and flags
+# ----------------------------
+
+CC_CMD_REL = cl.exe /nologo $(RTLIB) /DNDEBUG /O2
+CC_CMD_DBG = cl.exe /nologo $(RTLIBD) /D_DEBUG /Od /Zi $(RT_ERROR_CHECKING)
+CC_CFLAGS  = $(CFLAGS) /I.\src\lib /I.\include /W3 /EHsc /FD
+
+RC_CMD_REL = rc.exe /l 0x409 /d "NDEBUG"
+RC_CMD_DBG = rc.exe /l 0x409 /d "_DEBUG"
+
+LINK_CMD_LIB = link.exe /lib /nologo
+LINK_CMD_DLL = link.exe /dll /nologo /incremental:no /fixed:no
+LINK_CMD_EXE = link.exe /nologo /incremental:no /fixed:no /subsystem:console
+
+LINK_CMD_EXE_REL = $(LINK_CMD_EXE) /release $(PDB_NONE)
+LINK_CMD_EXE_DBG = $(LINK_CMD_EXE) /debug $(PDBTYPE_CONSOLIDATE)
+
+# ---------------------------------
+# Configuration dependent settings
+# ---------------------------------
+
+!IF "$(CFG)" == "lib-release"
+CARES_TARGET = $(STA_LIB_REL).lib
+CARES_CFLAGS = /DCARES_BUILDING_LIBRARY /DCARES_STATICLIB
+CARES_LFLAGS =
+SPROG_CFLAGS = /DCARES_STATICLIB
+SPROG_LFLAGS = /libpath:$(CARES_OUTDIR) $(EX_LIBS_REL) $(STA_LIB_REL).lib
+CARES_LINK   = $(LINK_CMD_LIB)
+SPROG_LINK   = $(LINK_CMD_EXE_REL)
+CC_CMD       = $(CC_CMD_REL)
+!ENDIF
+
+!IF "$(CFG)" == "lib-debug"
+CARES_TARGET = $(STA_LIB_DBG).lib
+CARES_CFLAGS = /DCARES_BUILDING_LIBRARY /DCARES_STATICLIB /DDEBUGBUILD
+CARES_LFLAGS =
+SPROG_CFLAGS = /DCARES_STATICLIB
+SPROG_LFLAGS = /libpath:$(CARES_OUTDIR) $(EX_LIBS_DBG) $(STA_LIB_DBG).lib
+CARES_LINK   = $(LINK_CMD_LIB)
+SPROG_LINK   = $(LINK_CMD_EXE_DBG)
+CC_CMD       = $(CC_CMD_DBG)
+!ENDIF
+
+!IF "$(CFG)" == "dll-release"
+CARES_TARGET = $(DYN_LIB_REL).dll
+CARES_CFLAGS = /DCARES_BUILDING_LIBRARY
+CARES_LFLAGS = /release $(EX_LIBS_REL) /implib:$(CARES_OUTDIR)\$(IMP_LIB_REL).lib $(PDB_NONE)
+SPROG_CFLAGS =
+SPROG_LFLAGS = /libpath:$(CARES_OUTDIR) $(EX_LIBS_REL) $(IMP_LIB_REL).lib
+CARES_LINK   = $(LINK_CMD_DLL)
+SPROG_LINK   = $(LINK_CMD_EXE_REL)
+CC_CMD       = $(CC_CMD_REL)
+USE_RES_FILE = TRUE
+RC_CMD       = $(RC_CMD_REL)
+!ENDIF
+
+!IF "$(CFG)" == "dll-debug"
+CARES_TARGET = $(DYN_LIB_DBG).dll
+CARES_CFLAGS = /DCARES_BUILDING_LIBRARY /DDEBUGBUILD
+CARES_LFLAGS = /debug $(EX_LIBS_DBG) /implib:$(CARES_OUTDIR)\$(IMP_LIB_DBG).lib /pdb:$(CARES_OUTDIR)\$(DYN_LIB_DBG).pdb $(PDBTYPE_CONSOLIDATE)
+SPROG_CFLAGS =
+SPROG_LFLAGS = /libpath:$(CARES_OUTDIR) $(EX_LIBS_DBG) $(IMP_LIB_DBG).lib
+CARES_LINK   = $(LINK_CMD_DLL)
+SPROG_LINK   = $(LINK_CMD_EXE_DBG)
+CC_CMD       = $(CC_CMD_DBG)
+USE_RES_FILE = TRUE
+RC_CMD       = $(RC_CMD_DBG)
+!ENDIF
+
+# --------------------------------------------
+# Makefile.inc provides lists of source files
+# --------------------------------------------
+
+!INCLUDE .\src\lib\Makefile.inc
+!INCLUDE .\src\tools\Makefile.inc
+
+# ----------------------------
+# Build lists of object files
+# ----------------------------
+
+!IF "$(VALID_CFGSET)" == "TRUE"
+
+!IF [ECHO CARES_OBJS=^$(CARES_OBJDIR)\$(CSOURCES: = $(CARES_OBJDIR^)\) > .\cares_objs.inc] == 0
+!INCLUDE .\cares_objs.inc
+!IF [DEL .\cares_objs.inc]
+!ENDIF
+!ELSE
+!ERROR Problem generating CARES_OBJS list.
+!ENDIF
+CARES_OBJS = $(CARES_OBJS:.c=.obj)
+!IF "$(USE_RES_FILE)" == "TRUE"
+CARES_OBJS = $(CARES_OBJS) $(CARES_OBJDIR)\cares.res
+!ENDIF
+
+!IF [ECHO PROG1_OBJS=^$(PROG1_OBJDIR)\$(SAMPLESOURCES: = $(PROG1_OBJDIR^)\) > .\prog1_objs.inc] == 0
+!INCLUDE .\prog1_objs.inc
+!IF [DEL .\prog1_objs.inc]
+!ENDIF
+!ELSE
+!ERROR Problem generating PROG1_OBJS list.
+!ENDIF
+PROG1_OBJS = $(PROG1_OBJS:.c=.obj)
+PROG1_OBJS = $(PROG1_OBJS:/=\)
+PROG1_OBJS = $(PROG1_OBJS) $(PROG1_OBJDIR)\acountry.obj
+
+!IF [ECHO PROG2_OBJS=^$(PROG2_OBJDIR)\$(SAMPLESOURCES: = $(PROG2_OBJDIR^)\) > .\prog2_objs.inc] == 0
+!INCLUDE .\prog2_objs.inc
+!IF [DEL .\prog2_objs.inc]
+!ENDIF
+!ELSE
+!ERROR Problem generating PROG2_OBJS list.
+!ENDIF
+PROG2_OBJS = $(PROG2_OBJS:.c=.obj)
+PROG2_OBJS = $(PROG2_OBJS:/=\)
+PROG2_OBJS = $(PROG2_OBJS) $(PROG2_OBJDIR)\adig.obj
+
+!IF [ECHO PROG3_OBJS=^$(PROG3_OBJDIR)\$(SAMPLESOURCES: = $(PROG3_OBJDIR^)\) > .\prog3_objs.inc] == 0
+!INCLUDE .\prog3_objs.inc
+!IF [DEL .\prog3_objs.inc]
+!ENDIF
+!ELSE
+!ERROR Problem generating PROG3_OBJS list.
+!ENDIF
+PROG3_OBJS = $(PROG3_OBJS:.c=.obj)
+PROG3_OBJS = $(PROG3_OBJS:/=\)
+PROG3_OBJS = $(PROG3_OBJS) $(PROG3_OBJDIR)\ahost.obj
+
+!ENDIF
+
+
+# --------------------------------
+# Only our custom inference rules
+# --------------------------------
+
+.SUFFIXES:
+.SUFFIXES: .c .rc
+
+{$(SRCDIR)\src\lib}.rc{$(CARES_OBJDIR)}.res:
+    $(RC_CMD) /Fo $@ $<
+
+{$(SRCDIR)\src\lib}.c{$(CARES_OBJDIR)}.obj:
+    $(CC_CMD) $(CC_CFLAGS) $(CARES_CFLAGS) /Fo$@ /Fd$(@D)\ /c $<
+
+{$(SRCDIR)\src\tools}.c{$(PROG1_OBJDIR)}.obj:
+    $(CC_CMD) $(CC_CFLAGS) $(SPROG_CFLAGS) /Fo$@ /Fd$(@D)\ /c $<
+
+{$(SRCDIR)\src\tools}.c{$(PROG2_OBJDIR)}.obj:
+    $(CC_CMD) $(CC_CFLAGS) $(SPROG_CFLAGS) /Fo$@ /Fd$(@D)\ /c $<
+
+{$(SRCDIR)\src\tools}.c{$(PROG3_OBJDIR)}.obj:
+    $(CC_CMD) $(CC_CFLAGS) $(SPROG_CFLAGS) /Fo$@ /Fd$(@D)\ /c $<
+
+# Hack Alert! we reference ../lib/ files in the Makefile.inc for tools as they
+# share some files with the library itself.  We need to hack around that here.
+
+{$(SRCDIR)\src\lib}.c{$(PROG1_OBJDIR)\..\lib}.obj:
+    $(CC_CMD) $(CC_CFLAGS) $(SPROG_CFLAGS) /Fo$(PROG1_OBJDIR)\$(@F) /Fd$(PROG1_OBJDIR)\ /c $<
+
+{$(SRCDIR)\src\lib}.c{$(PROG2_OBJDIR)\..\lib}.obj:
+    $(CC_CMD) $(CC_CFLAGS) $(SPROG_CFLAGS) /Fo$(PROG2_OBJDIR)\$(@F) /Fd$(PROG2_OBJDIR)\ /c $<
+
+{$(SRCDIR)\src\lib}.c{$(PROG3_OBJDIR)\..\lib}.obj:
+    $(CC_CMD) $(CC_CFLAGS) $(SPROG_CFLAGS) /Fo$(PROG3_OBJDIR)\$(@F) /Fd$(PROG3_OBJDIR)\ /c $<
+
+# ------------------------------------------------------------- #
+# ------------------------------------------------------------- #
+# Default target when no CFG library type has been specified,   #
+# results in building target ALL for all c-ares library types.  #
+# ------------------------------------------------------------- #
+# ------------------------------------------------------------- #
+
+!IF "$(VALID_CFGSET)" == "FALSE"
+
+ALL:
+    $(MAKE) /NOLOGO /f .\Makefile.msvc  CFG=lib-release  ALL
+    $(MAKE) /NOLOGO /f .\Makefile.msvc  CFG=lib-debug    ALL
+    $(MAKE) /NOLOGO /f .\Makefile.msvc  CFG=dll-release  ALL
+    $(MAKE) /NOLOGO /f .\Makefile.msvc  CFG=dll-debug    ALL
+
+clean:
+    @-RMDIR /S /Q $(BASE_DIR) >NUL 2>&1
+
+install:
+    @$(MAKE) /nologo /f .\Makefile.msvc  CFG=lib-release  install
+    @$(MAKE) /nologo /f .\Makefile.msvc  CFG=lib-debug    install
+    @$(MAKE) /nologo /f .\Makefile.msvc  CFG=dll-release  install
+    @$(MAKE) /nologo /f .\Makefile.msvc  CFG=dll-debug    install
+
+!ENDIF
+
+# ---------------------------------------------------------------------
+# Targets only available when a proper CFG library type has been given
+# ---------------------------------------------------------------------
+
+!IF "$(VALID_CFGSET)" == "TRUE"
+
+ALL: c-ares acountry adig ahost
+    @
+
+# $(HHEADERS) $(CSOURCES)
+c-ares: $(CARES_OBJDIR) $(CARES_OBJS) $(CARES_OUTDIR)
+    $(CARES_LINK) $(CARES_LFLAGS) /out:$(CARES_OUTDIR)\$(CARES_TARGET) $(CARES_OBJS)
+!   IF "$(USE_RES_FILE)" == "TRUE"
+    @if exist $(CARES_OUTDIR)\$(CARES_TARGET).manifest mt -nologo -manifest $(CARES_OUTDIR)\$(CARES_TARGET).manifest -outputresource:$(CARES_OUTDIR)\$(CARES_TARGET);2
+!   ENDIF
+
+# acountry.c $(SAMPLESOURCES) $(SAMPLEHEADERS)
+acountry: c-ares $(PROG1_OBJDIR) $(PROG1_OBJS) $(PROG1_OUTDIR)
+    $(SPROG_LINK) $(SPROG_LFLAGS) /out:$(PROG1_OUTDIR)\acountry.exe $(PROG1_OBJS:..\lib=)
+    @if exist $(PROG1_OUTDIR)\acountry.exe.manifest mt -nologo -manifest $(PROG1_OUTDIR)\acountry.exe.manifest -outputresource:$(PROG1_OUTDIR)\acountry.exe;1
+
+# adig.c $(SAMPLESOURCES) $(SAMPLEHEADERS)
+adig: c-ares  $(PROG2_OBJDIR) $(PROG2_OBJS) $(PROG2_OUTDIR)
+    $(SPROG_LINK) $(SPROG_LFLAGS) /out:$(PROG2_OUTDIR)\adig.exe $(PROG2_OBJS:..\lib=)
+    @if exist $(PROG2_OUTDIR)\adig.exe.manifest mt -nologo -manifest $(PROG2_OUTDIR)\adig.exe.manifest -outputresource:$(PROG2_OUTDIR)\adig.exe;1
+
+# ahost.c $(SAMPLESOURCES) $(SAMPLEHEADERS)
+ahost: c-ares $(PROG3_OBJDIR) $(PROG3_OBJS) $(PROG3_OUTDIR)
+    $(SPROG_LINK) $(SPROG_LFLAGS) /out:$(PROG3_OUTDIR)\ahost.exe $(PROG3_OBJS:..\lib=)
+    @if exist $(PROG3_OUTDIR)\ahost.exe.manifest mt -nologo -manifest $(PROG3_OUTDIR)\ahost.exe.manifest -outputresource:$(PROG3_OUTDIR)\ahost.exe;1
+
+$(CARES_OUTDIR): $(CARES_DIR)
+    @if not exist $(CARES_OUTDIR) mkdir $(CARES_OUTDIR)
+
+$(PROG1_OUTDIR): $(PROG1_DIR)
+    @if not exist $(PROG1_OUTDIR) mkdir $(PROG1_OUTDIR)
+
+$(PROG2_OUTDIR): $(PROG2_DIR)
+    @if not exist $(PROG2_OUTDIR) mkdir $(PROG2_OUTDIR)
+
+$(PROG3_OUTDIR): $(PROG3_DIR)
+    @if not exist $(PROG3_OUTDIR) mkdir $(PROG3_OUTDIR)
+
+$(CARES_OBJDIR): $(CARES_OUTDIR)
+    @if not exist $(CARES_OBJDIR) mkdir $(CARES_OBJDIR)
+
+$(PROG1_OBJDIR): $(PROG1_OUTDIR)
+    @if not exist $(PROG1_OBJDIR) mkdir $(PROG1_OBJDIR)
+
+$(PROG2_OBJDIR): $(PROG2_OUTDIR)
+    @if not exist $(PROG2_OBJDIR) mkdir $(PROG2_OBJDIR)
+
+$(PROG3_OBJDIR): $(PROG3_OUTDIR)
+    @if not exist $(PROG3_OBJDIR) mkdir $(PROG3_OBJDIR)
+
+clean:
+    @-RMDIR /S /Q $(CARES_OUTDIR) >NUL 2>&1
+    @-RMDIR /S /Q $(PROG1_OUTDIR) >NUL 2>&1
+    @-RMDIR /S /Q $(PROG2_OUTDIR) >NUL 2>&1
+    @-RMDIR /S /Q $(PROG3_OUTDIR) >NUL 2>&1
+
+install:
+    @if not exist $(CARES_OUTDIR)\$(CARES_TARGET) \
+        $(MAKE) /f .\Makefile.msvc CFG=$(CFG) c-ares
+    @if not exist "$(INSTALL_DIR)"     mkdir "$(INSTALL_DIR)"
+    @if not exist "$(INSTALL_DIR_LIB)" mkdir "$(INSTALL_DIR_LIB)"
+    @if not exist "$(INSTALL_DIR_INC)" mkdir "$(INSTALL_DIR_INC)"
+    @copy /y $(CARES_OUTDIR)\*.*              "$(INSTALL_DIR_LIB)" >NUL
+    @copy /y $(SRCDIR)\include\ares.h         "$(INSTALL_DIR_INC)" >NUL
+    @copy /y $(SRCDIR)\include\ares_build.h   "$(INSTALL_DIR_INC)" >NUL
+    @copy /y $(SRCDIR)\include\ares_rules.h   "$(INSTALL_DIR_INC)" >NUL
+    @copy /y $(SRCDIR)\include\ares_version.h "$(INSTALL_DIR_INC)" >NUL
+    @echo Installed c-ares $(CFG)
+
+!ENDIF
+
+$(BASE_DIR):
+    @if not exist $(BASE_DIR) mkdir $(BASE_DIR)
+
+$(CARES_DIR): $(BASE_DIR)
+    @if not exist $(CARES_DIR) mkdir $(CARES_DIR)
+
+$(PROG1_DIR): $(BASE_DIR)
+    @if not exist $(PROG1_DIR) mkdir $(PROG1_DIR)
+
+$(PROG2_DIR): $(BASE_DIR)
+    @if not exist $(PROG2_DIR) mkdir $(PROG2_DIR)
+
+$(PROG3_DIR): $(BASE_DIR)
+    @if not exist $(PROG3_DIR) mkdir $(PROG3_DIR)
+
+# End of Makefile.msvc
diff -Nru nodejs-12.22.5~dfsg/deps/cares/Makefile.netware nodejs-12.22.12~dfsg/deps/cares/Makefile.netware
--- nodejs-12.22.5~dfsg/deps/cares/Makefile.netware	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/deps/cares/Makefile.netware	2022-04-05 07:16:59.000000000 +0000
@@ -0,0 +1,430 @@
+#################################################################
+#
+## Makefile for building libcares (NetWare version - gnu make)
+## Use: make -f Makefile.netware
+##
+## Comments to: Guenter Knauf http://www.gknw.de/phpbb
+#
+#################################################################
+
+# Edit the path below to point to the base of your Novell NDK.
+ifndef NDKBASE
+NDKBASE	= c:/novell
+endif
+
+ifndef INSTDIR
+INSTDIR	= ../ares-$(LIBCARES_VERSION_STR)-bin-nw
+endif
+
+# Edit the vars below to change NLM target settings.
+TARGETS = adig.nlm ahost.nlm acountry.nlm
+LTARGET = libcares.$(LIBEXT)
+VERSION	= $(LIBCARES_VERSION)
+COPYR	= $(LIBCARES_COPYRIGHT_STR)
+DESCR	= cURL $(subst .def,,$(notdir $@)) $(LIBCARES_VERSION_STR) - http://curl.haxx.se
+MTSAFE	= YES
+STACK	= 64000
+SCREEN	= none
+#EXPORTS	=
+# Comment the line below if you dont want to load protected automatically.
+#LDRING	= 3
+
+# Edit the var below to point to your lib architecture.
+ifndef LIBARCH
+LIBARCH = LIBC
+endif
+
+# must be equal to NDEBUG or DEBUG
+ifndef DB
+DB	= NDEBUG
+endif
+# Optimization: -O<n> or debugging: -g
+ifeq ($(DB),NDEBUG)
+	OPT	= -O2
+	OBJDIR	= release
+else
+	OPT	= -g
+	OBJDIR	= debug
+endif
+
+# Include the version info retrieved from curlver.h
+-include $(OBJDIR)/version.inc
+
+# The following lines defines your compiler.
+ifdef CWFolder
+	METROWERKS = $(CWFolder)
+endif
+ifdef METROWERKS
+	# MWCW_PATH = $(subst \,/,$(METROWERKS))/Novell Support
+	MWCW_PATH = $(subst \,/,$(METROWERKS))/Novell Support/Metrowerks Support
+	CC = mwccnlm
+else
+	CC = gcc
+endif
+# a native win32 awk can be downloaded from here:
+# http://www.gknw.net/development/prgtools/awk-20070501.zip
+AWK	= awk
+YACC	= bison -y
+CP	= cp -afv
+MKDIR	= mkdir
+# RM	= rm -f
+# if you want to mark the target as MTSAFE you will need a tool for
+# generating the xdc data for the linker; here's a minimal tool:
+# http://www.gknw.net/development/prgtools/mkxdc.zip
+MPKXDC	= mkxdc
+
+# Global flags for all compilers
+CFLAGS	+= $(OPT) -D$(DB) -DNETWARE -DHAVE_CONFIG_H -nostdinc
+
+ifeq ($(CC),mwccnlm)
+LD	= mwldnlm
+LDFLAGS	= -nostdlib $(PRELUDE) $(OBJEXE) $(<:.def=.o) -o $@ -commandfile
+AR	= mwldnlm
+ARFLAGS	= -nostdlib -type library -o
+LIBEXT	= lib
+#RANLIB	=
+CFLAGS	+= -msgstyle gcc -gccinc -inline off -opt nointrinsics -proc 586
+CFLAGS	+= -relax_pointers
+#CFLAGS	+= -w on
+ifeq ($(LIBARCH),LIBC)
+	PRELUDE = $(SDK_LIBC)/imports/libcpre.o
+	CFLAGS += -align 4
+else
+	# PRELUDE = $(SDK_CLIB)/imports/clibpre.o
+	# to avoid the __init_* / __deinit_* whoes dont use prelude from NDK
+	PRELUDE = "$(MWCW_PATH)/libraries/runtime/prelude.obj"
+	# CFLAGS += -include "$(MWCW_PATH)/headers/nlm_clib_prefix.h"
+	CFLAGS += -align 1
+endif
+else
+LD	= nlmconv
+LDFLAGS	= -T
+AR	= ar
+ARFLAGS	= -cq
+LIBEXT	= a
+RANLIB	= ranlib
+CFLAGS  += -m32
+CFLAGS  += -fno-builtin -fno-strict-aliasing
+ifeq ($(findstring gcc,$(CC)),gcc)
+CFLAGS  += -fpcc-struct-return
+endif
+CFLAGS  += -Wall # -pedantic
+ifeq ($(LIBARCH),LIBC)
+	PRELUDE = $(SDK_LIBC)/imports/libcpre.gcc.o
+else
+	# PRELUDE = $(SDK_CLIB)/imports/clibpre.gcc.o
+	# to avoid the __init_* / __deinit_* whoes dont use prelude from NDK
+	# http://www.gknw.net/development/mk_nlm/gcc_pre.zip
+	PRELUDE = $(NDK_ROOT)/pre/prelude.o
+	CFLAGS += -include $(NDKBASE)/nlmconv/genlm.h
+endif
+endif
+
+NDK_ROOT = $(NDKBASE)/ndk
+SDK_CLIB = $(NDK_ROOT)/nwsdk
+SDK_LIBC = $(NDK_ROOT)/libc
+
+ifeq ($(LIBARCH),LIBC)
+	INCLUDES += -I$(SDK_LIBC)/include
+	# INCLUDES += -I$(SDK_LIBC)/include/nks
+	# INCLUDES += -I$(SDK_LIBC)/include/winsock
+	CFLAGS += -D_POSIX_SOURCE
+else
+	INCLUDES += -I$(SDK_CLIB)/include/nlm
+	# INCLUDES += -I$(SDK_CLIB)/include/nlm/obsolete
+	# INCLUDES += -I$(SDK_CLIB)/include
+endif
+
+CFLAGS	+= -I. $(INCLUDES)
+
+ifeq ($(MTSAFE),YES)
+	XDCOPT = -n
+endif
+ifeq ($(MTSAFE),NO)
+	XDCOPT = -u
+endif
+
+ifeq ($(findstring /sh,$(SHELL)),/sh)
+DL	= '
+#-include $(NDKBASE)/nlmconv/ncpfs.inc
+endif
+
+# Makefile.inc provides the CSOURCES and HHEADERS defines
+include Makefile.inc
+
+OBJLIB	:= $(patsubst %.c,$(OBJDIR)/%.o,$(strip $(CSOURCES)))
+OBJEXE	= $(OBJLIB) $(OBJDIR)/ares_getopt.o
+
+.PHONY: lib nlm prebuild dist install clean
+
+lib: prebuild $(LTARGET)
+
+nlm: prebuild $(TARGETS)
+
+prebuild: $(OBJDIR) ares_build.h $(OBJDIR)/version.inc ares_config.h
+
+install: $(INSTDIR) all
+	@$(CP) *.nlm $(INSTDIR)
+	@$(CP) ../CHANGES $(INSTDIR)
+	@$(CP) ../COPYING $(INSTDIR)
+	@$(CP) ../README $(INSTDIR)
+	@$(CP) ../RELEASE-NOTES $(INSTDIR)
+
+clean:
+	-$(RM) $(LTARGET) $(TARGETS) ares_config.h
+	-$(RM) -r $(OBJDIR)
+	-$(RM) -r arpa
+
+%.$(LIBEXT): $(OBJLIB)
+	@echo Creating $@
+	@-$(RM) $@
+	@$(AR) $(ARFLAGS) $@ $^
+ifdef RANLIB
+	@$(RANLIB) $@
+endif
+
+%.nlm: $(OBJDIR)/%.def $(OBJDIR)/%.o $(OBJDIR)/%.xdc $(OBJEXE)
+	@echo Linking $@
+	@-$(RM) $@
+	@$(LD) $(LDFLAGS) $<
+
+$(OBJDIR) $(INSTDIR):
+	@$(MKDIR) $@
+
+$(OBJDIR)/%.o: %.c
+#	@echo Compiling $<
+	$(CC) $(CFLAGS) -c $< -o $@
+
+$(OBJDIR)/version.inc: ares_version.h $(OBJDIR)
+	@echo Creating $@
+	@$(AWK) -f get_ver.awk $< > $@
+
+$(OBJDIR)/%.xdc: Makefile.netware
+	@echo Creating $@
+	@$(MPKXDC) $(XDCOPT) $@
+
+$(OBJDIR)/%.def: Makefile.netware
+	@echo Creating $@
+	@echo $(DL)# DEF file for linking with $(LD)$(DL) > $@
+	@echo $(DL)# Do not edit this file - it is created by make!$(DL) >> $@
+	@echo $(DL)# All your changes will be lost!!$(DL) >> $@
+	@echo $(DL)#$(DL) >> $@
+	@echo $(DL)copyright "$(COPYR)"$(DL) >> $@
+	@echo $(DL)description "$(DESCR)"$(DL) >> $@
+	@echo $(DL)version $(VERSION)$(DL) >> $@
+ifdef NLMTYPE
+	@echo $(DL)type $(NLMTYPE)$(DL) >> $@
+endif
+ifdef STACK
+	@echo $(DL)stack $(STACK)$(DL) >> $@
+endif
+ifdef SCREEN
+	@echo $(DL)screenname "$(SCREEN)"$(DL) >> $@
+else
+	@echo $(DL)screenname "DEFAULT"$(DL) >> $@
+endif
+ifeq ($(DB),DEBUG)
+	@echo $(DL)debug$(DL) >> $@
+endif
+	@echo $(DL)threadname "$^"$(DL) >> $@
+ifdef XDCOPT
+	@echo $(DL)xdcdata $(@:.def=.xdc)$(DL) >> $@
+endif
+ifeq ($(LDRING),0)
+	@echo $(DL)flag_on 16$(DL) >> $@
+endif
+ifeq ($(LDRING),3)
+	@echo $(DL)flag_on 512$(DL) >> $@
+endif
+ifeq ($(LIBARCH),CLIB)
+	@echo $(DL)start _Prelude$(DL) >> $@
+	@echo $(DL)exit _Stop$(DL) >> $@
+	@echo $(DL)import @$(SDK_CLIB)/imports/clib.imp$(DL) >> $@
+	@echo $(DL)import @$(SDK_CLIB)/imports/threads.imp$(DL) >> $@
+	@echo $(DL)import @$(SDK_CLIB)/imports/nlmlib.imp$(DL) >> $@
+	@echo $(DL)import @$(SDK_CLIB)/imports/socklib.imp$(DL) >> $@
+	@echo $(DL)module clib$(DL) >> $@
+else
+	@echo $(DL)flag_on 64$(DL) >> $@
+	@echo $(DL)pseudopreemption$(DL) >> $@
+	@echo $(DL)start _LibCPrelude$(DL) >> $@
+	@echo $(DL)exit _LibCPostlude$(DL) >> $@
+	@echo $(DL)check _LibCCheckUnload$(DL) >> $@
+	@echo $(DL)import @$(SDK_LIBC)/imports/libc.imp$(DL) >> $@
+	@echo $(DL)import @$(SDK_LIBC)/imports/netware.imp$(DL) >> $@
+	@echo $(DL)module libc$(DL) >> $@
+endif
+ifdef MODULES
+	@echo $(DL)module $(MODULES)$(DL) >> $@
+endif
+ifdef EXPORTS
+	@echo $(DL)export $(EXPORTS)$(DL) >> $@
+endif
+ifdef IMPORTS
+	@echo $(DL)import $(IMPORTS)$(DL) >> $@
+endif
+ifeq ($(LD),nlmconv)
+	@echo $(DL)input $(PRELUDE)$(DL) >> $@
+	@echo $(DL)input $(OBJEXE)$(DL) >> $@
+	@echo $(DL)input $(@:.def=.o)$(DL) >> $@
+	@echo $(DL)output $(notdir $(@:.def=.nlm))$(DL) >> $@
+endif
+
+ares_config.h: Makefile.netware
+	@echo Creating $@
+	@echo $(DL)/* $@ for NetWare target.$(DL) > $@
+	@echo $(DL)** Do not edit this file - it is created by make!$(DL) >> $@
+	@echo $(DL)** All your changes will be lost!!$(DL) >> $@
+	@echo $(DL)*/$(DL) >> $@
+	@echo $(DL)#ifndef NETWARE$(DL) >> $@
+	@echo $(DL)#error This $(notdir $@) is created for NetWare platform!$(DL) >> $@
+	@echo $(DL)#endif$(DL) >> $@
+	@echo $(DL)#define VERSION "$(LIBCARES_VERSION_STR)"$(DL) >> $@
+	@echo $(DL)#define PACKAGE_BUGREPORT "a suitable curl mailing list => http://curl.haxx.se/mail/"$(DL) >> $@
+ifeq ($(LIBARCH),CLIB)
+	@echo $(DL)#define OS "i586-pc-clib-NetWare"$(DL) >> $@
+	@echo $(DL)#define HAVE_STRICMP 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRNICMP 1$(DL) >> $@
+	@echo $(DL)#define NETDB_USE_INTERNET 1$(DL) >> $@
+	@echo $(DL)#define RECV_TYPE_ARG1 int$(DL) >> $@
+	@echo $(DL)#define RECV_TYPE_ARG2 char *$(DL) >> $@
+	@echo $(DL)#define RECV_TYPE_ARG3 int$(DL) >> $@
+	@echo $(DL)#define RECV_TYPE_ARG4 int$(DL) >> $@
+	@echo $(DL)#define RECV_TYPE_RETV int$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_ARG1 int$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_ARG2 char$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_ARG3 int$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_ARG4 int$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_ARG5 struct sockaddr$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_ARG6 int$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_RETV int$(DL) >> $@
+	@echo $(DL)#define SEND_QUAL_ARG2$(DL) >> $@
+	@echo $(DL)#define SEND_TYPE_ARG1 int$(DL) >> $@
+	@echo $(DL)#define SEND_TYPE_ARG2 char *$(DL) >> $@
+	@echo $(DL)#define SEND_TYPE_ARG3 int$(DL) >> $@
+	@echo $(DL)#define SEND_TYPE_ARG4 int$(DL) >> $@
+	@echo $(DL)#define SEND_TYPE_RETV int$(DL) >> $@
+else
+	@echo $(DL)#define OS "i586-pc-libc-NetWare"$(DL) >> $@
+	@echo $(DL)#define HAVE_DLFCN_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_DLOPEN 1$(DL) >> $@
+	@echo $(DL)#define HAVE_FTRUNCATE 1$(DL) >> $@
+	@echo $(DL)#define HAVE_GETTIMEOFDAY 1$(DL) >> $@
+	@echo $(DL)#define HAVE_INTTYPES_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_LONGLONG 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STDINT_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRCASECMP 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRLCAT 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRLCPY 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRTOLL 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SYS_PARAM_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SYS_SELECT_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_TERMIOS_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_AF_INET6 1$(DL) >> $@
+	@echo $(DL)#define HAVE_PF_INET6 1$(DL) >> $@
+	@echo $(DL)#define HAVE_FREEADDRINFO 1$(DL) >> $@
+	@echo $(DL)#define HAVE_GETADDRINFO 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRUCT_IN6_ADDR 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRUCT_SOCKADDR_IN6 1$(DL) >> $@
+	@echo $(DL)#define RECV_TYPE_ARG1 int$(DL) >> $@
+	@echo $(DL)#define RECV_TYPE_ARG2 void *$(DL) >> $@
+	@echo $(DL)#define RECV_TYPE_ARG3 size_t$(DL) >> $@
+	@echo $(DL)#define RECV_TYPE_ARG4 int$(DL) >> $@
+	@echo $(DL)#define RECV_TYPE_RETV ssize_t$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_ARG1 int$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_ARG2 void$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_ARG3 size_t$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_ARG4 int$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_ARG5 struct sockaddr$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_ARG6 size_t$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_RETV ssize_t$(DL) >> $@
+	@echo $(DL)#define RECVFROM_TYPE_ARG2_IS_VOID 1$(DL) >> $@
+	@echo $(DL)#define SEND_QUAL_ARG2$(DL) >> $@
+	@echo $(DL)#define SEND_TYPE_ARG1 int$(DL) >> $@
+	@echo $(DL)#define SEND_TYPE_ARG2 void *$(DL) >> $@
+	@echo $(DL)#define SEND_TYPE_ARG3 size_t$(DL) >> $@
+	@echo $(DL)#define SEND_TYPE_ARG4 int$(DL) >> $@
+	@echo $(DL)#define SEND_TYPE_RETV ssize_t$(DL) >> $@
+endif
+	@echo $(DL)#define HAVE_ARPA_INET_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_ASSERT_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_ERRNO_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_ERR_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_FCNTL_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_GETENV 1$(DL) >> $@
+	@echo $(DL)#define HAVE_GETHOSTBYADDR 1$(DL) >> $@
+	@echo $(DL)#define HAVE_GETHOSTBYNAME 1$(DL) >> $@
+	@echo $(DL)#define HAVE_GETHOSTNAME 1$(DL) >> $@
+	@echo $(DL)#define HAVE_GETPROTOBYNAME 1$(DL) >> $@
+	@echo $(DL)#define HAVE_GMTIME_R 1$(DL) >> $@
+	@echo $(DL)#define HAVE_INET_ADDR 1$(DL) >> $@
+	@echo $(DL)#define HAVE_IOCTL 1$(DL) >> $@
+	@echo $(DL)#define HAVE_IOCTL_FIONBIO 1$(DL) >> $@
+	@echo $(DL)#define HAVE_LIMITS_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_LL 1$(DL) >> $@
+	@echo $(DL)#define HAVE_LOCALTIME_R 1$(DL) >> $@
+	@echo $(DL)#define HAVE_MALLOC_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_NETINET_IN_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_RECV 1$(DL) >> $@
+	@echo $(DL)#define HAVE_RECVFROM 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SELECT 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SEND 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SETJMP_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SIGNAL 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SIGNAL_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SIG_ATOMIC_T 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SOCKET 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STDLIB_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRDUP 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRFTIME 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRING_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRSTR 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRUCT_ADDRINFO 1$(DL) >> $@
+	@echo $(DL)#define HAVE_STRUCT_TIMEVAL 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SYS_IOCTL_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SYS_STAT_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SYS_TIME_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_TIME_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_UNAME 1$(DL) >> $@
+	@echo $(DL)#define HAVE_UNISTD_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_UTIME 1$(DL) >> $@
+	@echo $(DL)#define HAVE_UTIME_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_WRITEV 1$(DL) >> $@
+	@echo $(DL)#define RETSIGTYPE void$(DL) >> $@
+	@echo $(DL)#define STDC_HEADERS 1$(DL) >> $@
+	@echo $(DL)#define TIME_WITH_SYS_TIME 1$(DL) >> $@
+ifdef NW_WINSOCK
+	@echo $(DL)#define HAVE_CLOSESOCKET 1$(DL) >> $@
+else
+	@echo $(DL)#define HAVE_SYS_TYPES_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SYS_SOCKET_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_SYS_SOCKIO_H 1$(DL) >> $@
+	@echo $(DL)#define HAVE_NETDB_H 1$(DL) >> $@
+endif
+	@echo $(DL)#ifdef __GNUC__$(DL) >> $@
+	@echo $(DL)#define HAVE_VARIADIC_MACROS_GCC 1$(DL) >> $@
+	@echo $(DL)#else$(DL) >> $@
+	@echo $(DL)#define HAVE_VARIADIC_MACROS_C99 1$(DL) >> $@
+	@echo $(DL)#endif$(DL) >> $@
+
+FORCE: ;
+
+ares_build.h: Makefile.netware FORCE
+	@echo Creating $@
+	@echo $(DL)/* $@ intended for NetWare target.$(DL) > $@
+	@echo $(DL)** Do not edit this file - it is created by make!$(DL) >> $@
+	@echo $(DL)** All your changes will be lost!!$(DL) >> $@
+	@echo $(DL)*/$(DL) >> $@
+	@echo $(DL)#ifndef NETWARE$(DL) >> $@
+	@echo $(DL)#error This $(notdir $@) is created for NetWare platform!$(DL) >> $@
+	@echo $(DL)#endif$(DL) >> $@
+	@echo $(DL)#ifndef __CARES_BUILD_H$(DL) >> $@
+	@echo $(DL)#define __CARES_BUILD_H$(DL) >> $@
+ifeq ($(LIBARCH),CLIB)
+	@echo $(DL)#define CARES_TYPEOF_ARES_SOCKLEN_T int$(DL) >> $@
+else
+	@echo $(DL)#define CARES_TYPEOF_ARES_SOCKLEN_T unsigned int$(DL) >> $@
+endif
+	@echo $(DL)typedef CARES_TYPEOF_ARES_SOCKLEN_T ares_socklen_t;$(DL) >> $@
+	@echo $(DL)#endif /* __CARES_BUILD_H */$(DL) >> $@
diff -Nru nodejs-12.22.5~dfsg/deps/cares/README.cares nodejs-12.22.12~dfsg/deps/cares/README.cares
--- nodejs-12.22.5~dfsg/deps/cares/README.cares	2021-08-11 01:39:06.000000000 +0000
+++ nodejs-12.22.12~dfsg/deps/cares/README.cares	2022-04-05 07:16:59.000000000 +0000
@@ -12,4 +12,4 @@
 The original libares was distributed at
 ftp://athena-dist.mit.edu:pub/ATHENA/ares (which seems to not be alive
 anymore).  A local copy of the original ares package is kept here:
-https://c-ares.haxx.se/download/ares-1.1.1.tar.gz
+https://c-ares.org/download/ares-1.1.1.tar.gz
diff -Nru nodejs-12.22.5~dfsg/deps/cares/README.md nodejs-12.22.12~dfsg/deps/cares/README.md
--- nodejs-12.22.5~dfsg/deps/cares/README.md	2021-08-11 01:39:06.000000000 +0000
+++ nodejs-12.22.12~dfsg/deps/cares/README.md	2022-04-05 07:16:59.000000000 +0000
@@ -1,7 +1,7 @@
 c-ares
 ======
 
-[![Build Status](https://travis-ci.org/c-ares/c-ares.svg?branch=master)](https://travis-ci.org/c-ares/c-ares)
+[![Build Status](https://api.cirrus-ci.com/github/c-ares/c-ares.svg)](https://cirrus-ci.com/github/c-ares/c-ares)
 [![Windows Build Status](https://ci.appveyor.com/api/projects/status/aevgc5914tm72pvs/branch/master?svg=true)](https://ci.appveyor.com/project/c-ares/c-ares/branch/master)
 [![Coverage Status](https://coveralls.io/repos/c-ares/c-ares/badge.svg?branch=master&service=github)](https://coveralls.io/github/c-ares/c-ares?branch=master)
 [![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/291/badge)](https://bestpractices.coreinfrastructure.org/projects/291)
@@ -14,19 +14,19 @@
 applications are servers which communicate with multiple clients and programs
 with graphical user interfaces.
 
-The full source code is available in the ['c-ares' release archives](https://c-ares.haxx.se/download/),
-and in a git repository: http://github.com/c-ares/c-ares.  See the
+The full source code is available in the ['c-ares' release archives](https://c-ares.org/download/),
+and in a git repository: https://github.com/c-ares/c-ares.  See the
 [INSTALL.md](INSTALL.md) file for build information.
 
 If you find bugs, correct flaws, have questions or have comments in general in
 regard to c-ares (or by all means the original ares too), get in touch with us
-on the c-ares mailing list: http://cool.haxx.se/mailman/listinfo/c-ares
+on the c-ares mailing list: https://lists.haxx.se/listinfo/c-ares
 
 c-ares is of course distributed under the same MIT-style license as the
 original ares.
 
 You'll find all c-ares details and news here:
-        https://c-ares.haxx.se/
+        https://c-ares.org/
 
 
 Notes for c-ares hackers
diff -Nru nodejs-12.22.5~dfsg/deps/cares/RELEASE-NOTES nodejs-12.22.12~dfsg/deps/cares/RELEASE-NOTES
--- nodejs-12.22.5~dfsg/deps/cares/RELEASE-NOTES	2021-08-11 01:39:06.000000000 +0000
+++ nodejs-12.22.12~dfsg/deps/cares/RELEASE-NOTES	2022-04-05 07:16:59.000000000 +0000
@@ -1,79 +1,85 @@
-c-ares version 1.17.2
+c-ares version 1.18.1
+
+This is an urgent bugfix release for a regression made in 1.18.0.
+
+Bug fixes:
+ o ares_getaddrinfo() would return ai_addrlen of 16 for ipv6
+   adddresses rather than the sizeof(struct sockaddr_in6)
 
-This is a security and bugfix release.  It addresses a few security related
-issues along with various bugfixes mostly related to portability.
 
-Security:
- o NodeJS passes NULL for addr and 0 for addrlen to ares_parse_ptr_reply() on
-   systems where malloc(0) returns NULL.  This would cause a crash. [8]
- o When building c-ares with CMake, the RANDOM_FILE would not be set and
-   therefore downgrade to the less secure random number generator [12]
- o If ares_getaddrinfo() was terminated by an ares_destroy(), it would cause
-   a crash [13]
- o Crash in sortaddrinfo() if the list size equals 0 due to an unexpected
-   DNS response [14]
- o Expand number of escaped characters in DNS replies as per RFC1035 5.1 to
-   prevent spoofing [16], [17]
- o Perform validation on hostnames to prevent possible XSS due to applications
-   not performing valiation themselves [18]
+
+c-ares version 1.18.0
+
+This is a feature and bugfix release.  It addresses a couple of new feature
+requests as well as a couple of bug fixes.
 
 Changes:
- o Use non-blocking /dev/urandom for random data to prevent early startup
-   performance issues [5]
- o z/OS port [6]
- o ares_malloc(0) is now defined behavior (returns NULL) rather than
-   system-specific to catch edge cases [7]
+ o Add support for URI(Uniform Resource Identifier) records via
+   ares_parse_uri_reply() [1]
+ o Provide ares_nameser.h as a public interface as needed by NodeJS [5]
+ o Update URLs from c-ares.haxx.se to c-ares.org [9]
+ o During a domain search, treat ARES_ENODATA as ARES_NXDOMAIN so that the
+   search process will continue to the next domain in the search.  [11]
+ o Turn ares_gethostbyname() into a wrapper for ares_getaddrinfo() as they
+   followed very similar code paths and ares_gethostbyaddr() has some more
+   desirable features such as priority sorting and parallel queries for
+   AF_UNSPEC. [12]
+ o ares_getaddrinfo() now contains a name element in the address info
+   structure as the last element.  This is not an API or ABI break due to
+   the structure always being internally allocated and it being the last
+   element. [12]
+ o ares_parse_a_reply() and ares_parse_aaaa_reply() were nearly identical, those
+   now use the same helper functions for parsing rather than having their own
+   code. [12]
+ o RFC6761 Section 6.3 says "localhost" lookups need to be special cased to
+   return loopback addresses, and not forward queries to recursive dns servers.
+   On Windows this now returns all loopback addresses, on other systems it
+   returns 127.0.0.1 or ::1 always, and will never forward a request for
+   "localhost" to outside DNS servers. [13]
+ o Haiki: port [14]
 
 Bug fixes:
- o Fuzz testing files were not distributed with official archives [1]
- o Building tests should not force building of static libraries except on
-   Windows [2]
- o Windows builds of the tools would fail if built as static due to a missing
-   CARES_STATICLIB definition [3]
- o Relative headers must use double quotes to prevent pulling in a system
-   library [4]
- o Fix OpenBSD building by implementing portability updates for including
-   arpa/nameser.h [9]
- o Fix building out-of-tree for autotools [10]
- o Make install on MacOS/iOS with CMake was missing the bundle destination so
-   libraries weren't actually installed [11]
- o Fix retrieving DNS server configuration on MacOS and iOS if the configuration
-   did not include search domains [15]
- o ares_parse_a_reply and ares_parse_aaa_reply were erroneously using strdup()
-   instead of ares_strdup() [19]
-
+ o add build to .gitignore [2]
+ o z/OS minor update, add missing semicolon in ares_init.c [3]
+ o Fix building when latest ax_code_coverage.m4 is imported [4]
+ o Work around autotools 'error: too many loops' and other newer autotools
+   import related bugs.
+ o MinGW cross builds need advapi32 link as lower case [6]
+ o Cygwin build fix due to containing both socket.h and winsock2.h [7]
+ o ares_expand_name should allow underscores (_) as SRV records legitimately use
+   them [8]
+ o Allow '/' as a valid character for a returned name for CNAME in-addr.arpa
+   delegation [10]
+ o ares_getaddrinfo() was not honoring HOSTALIASES [12]
+ o ares_getaddrinfo() had some test cases disabled due to a bug in the test
+   framework itself which has now been resolved [12]
+ o Due to Travis-CI becoming unfriendly to open-source, Cirrus-CI has now been
+   brought online for automated unit testing.
 
 Thanks go to these friendly people for their efforts and contributions:
-  Anton Danielsson (@anton-danielsson)
+  Biswapriyo Nath (@Biswa96)
   Brad House (@bradh352)
+  Daniel Bevenius (@danbev)
   Daniel Stenberg (@bagder)
   Dhrumil Rana (@dhrumilrana)
-  František Dvořák (@valtri)
-  @halx99
-  Jay Freeman (@saurik)
-  Jean-pierre Cartal (@jeanpierrecartal)
-  Michael Kourlas
-  Philipp Jeitner
-  @vburdo
-(11 contributors)
+  Felix Yan (@felixonmars)
+  Jérôme Duval (@korli)
+  Martin Holeš (@martin-256)
+  Sinan Kaya
+(9 contributors)
 
 References to bug reports and discussions on issues:
- [1] = https://github.com/c-ares/c-ares/issues/379
- [2] = https://github.com/c-ares/c-ares/issues/380
- [3] = https://github.com/c-ares/c-ares/issues/384
- [4] = https://github.com/c-ares/c-ares/pull/386
- [5] = https://github.com/c-ares/c-ares/pull/391
- [6] = https://github.com/c-ares/c-ares/pull/390
- [7] = https://github.com/c-ares/c-ares/commit/485fb66
- [8] = https://github.com/c-ares/c-ares/issues/392
- [9] = https://github.com/c-ares/c-ares/issues/388
- [10] = https://github.com/c-ares/c-ares/pull/394
- [11] = https://github.com/c-ares/c-ares/pull/395
- [12] = https://github.com/c-ares/c-ares/pull/397
- [13] = https://github.com/c-ares/c-ares/commit/df94703
- [14] = https://github.com/c-ares/c-ares/pull/400
- [15] = https://github.com/c-ares/c-ares/pull/401
- [16] = https://github.com/c-ares/c-ares/commit/362f91d
- [17] = https://github.com/c-ares/c-ares/commit/44c009b
- [18] = https://github.com/c-ares/c-ares/commit/c9b6c60
- [19] = https://github.com/c-ares/c-ares/pull/408
+ [1] = https://github.com/c-ares/c-ares/pull/411
+ [2] = https://github.com/c-ares/c-ares/pull/410
+ [3] = https://github.com/c-ares/c-ares/pull/414
+ [4] = https://github.com/c-ares/c-ares/pull/418
+ [5] = https://github.com/c-ares/c-ares/pull/417
+ [6] = https://github.com/c-ares/c-ares/pull/420
+ [7] = https://github.com/c-ares/c-ares/pull/422
+ [8] = https://github.com/c-ares/c-ares/issues/424
+ [9] = https://github.com/c-ares/c-ares/issues/423
+ [10] = https://github.com/c-ares/c-ares/issues/427
+ [11] = https://github.com/c-ares/c-ares/issues/426
+ [12] = https://github.com/c-ares/c-ares/pull/428
+ [13] = https://github.com/c-ares/c-ares/pull/430
+ [14] = https://github.com/c-ares/c-ares/pull/431
diff -Nru nodejs-12.22.5~dfsg/deps/cares/SECURITY.md nodejs-12.22.12~dfsg/deps/cares/SECURITY.md
--- nodejs-12.22.5~dfsg/deps/cares/SECURITY.md	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/deps/cares/SECURITY.md	2022-04-05 07:16:59.000000000 +0000
@@ -0,0 +1,100 @@
+c-ares security
+===============
+
+This document is intended to provide guidance on how security vulnerabilities
+should be handled in the c-ares project.
+
+Publishing Information
+----------------------
+
+All known and public c-ares vulnerabilities will be listed on [the c-ares web
+site](https://c-ares.org/vulns.html).
+
+Security vulnerabilities should not be entered in the project's public bug
+tracker unless the necessary configuration is in place to limit access to the
+issue to only the reporter and the project's security team.
+
+Vulnerability Handling
+----------------------
+
+The typical process for handling a new security vulnerability is as follows.
+
+No information should be made public about a vulnerability until it is
+formally announced at the end of this process. That means, for example that a
+bug tracker entry must NOT be created to track the issue since that will make
+the issue public and it should not be discussed on the project's public
+mailing list. Also messages associated with any commits should not make any
+reference to the security nature of the commit if done prior to the public
+announcement.
+
+- The person discovering the issue, the reporter, reports the vulnerability
+  privately to `c-ares-security@haxx.se`. That's an email alias that reaches a
+  handful of selected and trusted people.
+
+- Messages that do not relate to the reporting or managing of an undisclosed
+  security vulnerability in c-ares are ignored and no further action is
+  required.
+
+- A person in the security team sends an e-mail to the original reporter to
+  acknowledge the report.
+
+- The security team investigates the report and either rejects it or accepts
+  it.
+
+- If the report is rejected, the team writes to the reporter to explain why.
+
+- If the report is accepted, the team writes to the reporter to let him/her
+  know it is accepted and that they are working on a fix.
+
+- The security team discusses the problem, works out a fix, considers the
+  impact of the problem and suggests a release schedule. This discussion
+  should involve the reporter as much as possible.
+
+- The release of the information should be "as soon as possible" and is most
+  often synced with an upcoming release that contains the fix. If the
+  reporter, or anyone else, thinks the next planned release is too far away
+  then a separate earlier release for security reasons should be considered.
+
+- Write a security advisory draft about the problem that explains what the
+  problem is, its impact, which versions it affects, solutions or
+  workarounds, when the release is out and make sure to credit all
+  contributors properly.
+
+- Request a CVE number from
+  [distros@openwall](http://oss-security.openwall.org/wiki/mailing-lists/distros)
+  when also informing and preparing them for the upcoming public security
+  vulnerability announcement - attach the advisory draft for information. Note
+  that 'distros' won't accept an embargo longer than 19 days.
+
+- Update the "security advisory" with the CVE number.
+
+- The security team commits the fix in a private branch. The commit message
+  should ideally contain the CVE number. This fix is usually also distributed
+  to the 'distros' mailing list to allow them to use the fix prior to the
+  public announcement.
+
+- At the day of the next release, the private branch is merged into the master
+  branch and pushed. Once pushed, the information is accessible to the public
+  and the actual release should follow suit immediately afterwards.
+
+- The project team creates a release that includes the fix.
+
+- The project team announces the release and the vulnerability to the world in
+  the same manner we always announce releases. It gets sent to the c-ares
+  mailing list and the oss-security mailing list.
+
+- The security web page on the web site should get the new vulnerability
+  mentioned.
+
+C-ARES-SECURITY (at haxx dot se)
+--------------------------------
+
+Who is on this list? There are a couple of criteria you must meet, and then we
+might ask you to join the list or you can ask to join it. It really isn't very
+formal. We basically only require that you have a long-term presence in the
+c-ares project and you have shown an understanding for the project and its way
+of working. You must've been around for a good while and you should have no
+plans in vanishing in the near future.
+
+We do not make the list of partipants public mostly because it tends to vary
+somewhat over time and a list somewhere will only risk getting outdated.
diff -Nru nodejs-12.22.5~dfsg/deps/cares/acinclude.m4 nodejs-12.22.12~dfsg/deps/cares/acinclude.m4
--- nodejs-12.22.5~dfsg/deps/cares/acinclude.m4	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/deps/cares/acinclude.m4	2022-04-05 07:16:59.000000000 +0000
@@ -0,0 +1,1915 @@
+
+
+dnl CURL_CHECK_DEF (SYMBOL, [INCLUDES], [SILENT])
+dnl -------------------------------------------------
+dnl Use the C preprocessor to find out if the given object-style symbol
+dnl is defined and get its expansion. This macro will not use default
+dnl includes even if no INCLUDES argument is given. This macro will run
+dnl silently when invoked with three arguments. If the expansion would
+dnl result in a set of double-quoted strings the returned expansion will
+dnl actually be a single double-quoted string concatenating all them.
+
+AC_DEFUN([CURL_CHECK_DEF], [
+  AS_VAR_PUSHDEF([ac_HaveDef], [curl_cv_have_def_$1])dnl
+  AS_VAR_PUSHDEF([ac_Def], [curl_cv_def_$1])dnl
+  if test -z "$SED"; then
+    AC_MSG_ERROR([SED not set. Cannot continue without SED being set.])
+  fi
+  if test -z "$GREP"; then
+    AC_MSG_ERROR([GREP not set. Cannot continue without GREP being set.])
+  fi
+  ifelse($3,,[AC_MSG_CHECKING([for preprocessor definition of $1])])
+  tmp_exp=""
+  AC_PREPROC_IFELSE([
+    AC_LANG_SOURCE(
+ifelse($2,,,[$2])[[
+#ifdef $1
+CURL_DEF_TOKEN $1
+#endif
+    ]])
+  ],[
+    tmp_exp=`eval "$ac_cpp conftest.$ac_ext" 2>/dev/null | \
+      "$GREP" CURL_DEF_TOKEN 2>/dev/null | \
+      "$SED" 's/.*CURL_DEF_TOKEN[[ ]][[ ]]*//' 2>/dev/null | \
+      "$SED" 's/[["]][[ ]]*[["]]//g' 2>/dev/null`
+    if test -z "$tmp_exp" || test "$tmp_exp" = "$1"; then
+      tmp_exp=""
+    fi
+  ])
+  if test -z "$tmp_exp"; then
+    AS_VAR_SET(ac_HaveDef, no)
+    ifelse($3,,[AC_MSG_RESULT([no])])
+  else
+    AS_VAR_SET(ac_HaveDef, yes)
+    AS_VAR_SET(ac_Def, $tmp_exp)
+    ifelse($3,,[AC_MSG_RESULT([$tmp_exp])])
+  fi
+  AS_VAR_POPDEF([ac_Def])dnl
+  AS_VAR_POPDEF([ac_HaveDef])dnl
+])
+
+
+dnl CURL_CHECK_DEF_CC (SYMBOL, [INCLUDES], [SILENT])
+dnl -------------------------------------------------
+dnl Use the C compiler to find out only if the given symbol is defined
+dnl or not, this can not find out its expansion. This macro will not use
+dnl default includes even if no INCLUDES argument is given. This macro
+dnl will run silently when invoked with three arguments.
+
+AC_DEFUN([CURL_CHECK_DEF_CC], [
+  AS_VAR_PUSHDEF([ac_HaveDef], [curl_cv_have_def_$1])dnl
+  ifelse($3,,[AC_MSG_CHECKING([for compiler definition of $1])])
+  AC_COMPILE_IFELSE([
+    AC_LANG_SOURCE(
+ifelse($2,,,[$2])[[
+int main (void)
+{
+#ifdef $1
+  return 0;
+#else
+  force compilation error
+#endif
+}
+    ]])
+  ],[
+    tst_symbol_defined="yes"
+  ],[
+    tst_symbol_defined="no"
+  ])
+  if test "$tst_symbol_defined" = "yes"; then
+    AS_VAR_SET(ac_HaveDef, yes)
+    ifelse($3,,[AC_MSG_RESULT([yes])])
+  else
+    AS_VAR_SET(ac_HaveDef, no)
+    ifelse($3,,[AC_MSG_RESULT([no])])
+  fi
+  AS_VAR_POPDEF([ac_HaveDef])dnl
+])
+
+
+dnl CARES_CHECK_LIB_XNET
+dnl -------------------------------------------------
+dnl Verify if X/Open network library is required.
+
+AC_DEFUN([CARES_CHECK_LIB_XNET], [
+  AC_MSG_CHECKING([if X/Open network library is required])
+  tst_lib_xnet_required="no"
+  AC_COMPILE_IFELSE([
+    AC_LANG_SOURCE([[
+int main (void)
+{
+#if defined(__hpux) && defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE >= 600)
+  return 0;
+#elif defined(__hpux) && defined(_XOPEN_SOURCE_EXTENDED)
+  return 0;
+#else
+  force compilation error
+#endif
+}
+    ]])
+  ],[
+    tst_lib_xnet_required="yes"
+    LIBS="$LIBS -lxnet"
+  ])
+  AC_MSG_RESULT([$tst_lib_xnet_required])
+])
+
+
+dnl CARES_CHECK_AIX_ALL_SOURCE
+dnl -------------------------------------------------
+dnl Provides a replacement of traditional AC_AIX with
+dnl an uniform behaviour across all autoconf versions,
+dnl and with our own placement rules.
+
+AC_DEFUN([CARES_CHECK_AIX_ALL_SOURCE], [
+  AH_VERBATIM([_ALL_SOURCE],
+    [/* Define to 1 if OS is AIX. */
+#ifndef _ALL_SOURCE
+#  undef _ALL_SOURCE
+#endif])
+  AC_BEFORE([$0], [AC_SYS_LARGEFILE])dnl
+  AC_BEFORE([$0], [CARES_CONFIGURE_REENTRANT])dnl
+  AC_MSG_CHECKING([if OS is AIX (to define _ALL_SOURCE)])
+  AC_EGREP_CPP([yes_this_is_aix],[
+#ifdef _AIX
+   yes_this_is_aix
+#endif
+  ],[
+    AC_MSG_RESULT([yes])
+    AC_DEFINE(_ALL_SOURCE)
+  ],[
+    AC_MSG_RESULT([no])
+  ])
+])
+
+
+dnl CURL_CHECK_HEADER_WINDOWS
+dnl -------------------------------------------------
+dnl Check for compilable and valid windows.h header
+
+AC_DEFUN([CURL_CHECK_HEADER_WINDOWS], [
+  AC_CACHE_CHECK([for windows.h], [ac_cv_header_windows_h], [
+    AC_COMPILE_IFELSE([
+      AC_LANG_PROGRAM([[
+#undef inline
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+      ]],[[
+#if defined(__CYGWIN__) || defined(__CEGCC__)
+        HAVE_WINDOWS_H shall not be defined.
+#else
+        int dummy=2*WINVER;
+#endif
+      ]])
+    ],[
+      ac_cv_header_windows_h="yes"
+    ],[
+      ac_cv_header_windows_h="no"
+    ])
+  ])
+  case "$ac_cv_header_windows_h" in
+    yes)
+      AC_DEFINE_UNQUOTED(HAVE_WINDOWS_H, 1,
+        [Define to 1 if you have the windows.h header file.])
+      AC_DEFINE_UNQUOTED(WIN32_LEAN_AND_MEAN, 1,
+        [Define to avoid automatic inclusion of winsock.h])
+      ;;
+  esac
+])
+
+
+dnl CURL_CHECK_NATIVE_WINDOWS
+dnl -------------------------------------------------
+dnl Check if building a native Windows target
+
+AC_DEFUN([CURL_CHECK_NATIVE_WINDOWS], [
+  AC_REQUIRE([CURL_CHECK_HEADER_WINDOWS])dnl
+  AC_CACHE_CHECK([whether build target is a native Windows one], [ac_cv_native_windows], [
+    if test "$ac_cv_header_windows_h" = "no"; then
+      ac_cv_native_windows="no"
+    else
+      AC_COMPILE_IFELSE([
+        AC_LANG_PROGRAM([[
+        ]],[[
+#if defined(__MINGW32__) || defined(__MINGW32CE__) || \
+   (defined(_MSC_VER) && (defined(_WIN32) || defined(_WIN64)))
+          int dummy=1;
+#else
+          Not a native Windows build target.
+#endif
+        ]])
+      ],[
+        ac_cv_native_windows="yes"
+      ],[
+        ac_cv_native_windows="no"
+      ])
+    fi
+  ])
+  AM_CONDITIONAL(DOING_NATIVE_WINDOWS, test "x$ac_cv_native_windows" = xyes)
+])
+
+
+dnl CURL_CHECK_HEADER_WINSOCK
+dnl -------------------------------------------------
+dnl Check for compilable and valid winsock.h header
+
+AC_DEFUN([CURL_CHECK_HEADER_WINSOCK], [
+  AC_REQUIRE([CURL_CHECK_HEADER_WINDOWS])dnl
+  AC_CACHE_CHECK([for winsock.h], [ac_cv_header_winsock_h], [
+    AC_COMPILE_IFELSE([
+      AC_LANG_PROGRAM([[
+#undef inline
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+#include <winsock.h>
+      ]],[[
+#if defined(__CYGWIN__) || defined(__CEGCC__)
+        HAVE_WINSOCK_H shall not be defined.
+#else
+        int dummy=WSACleanup();
+#endif
+      ]])
+    ],[
+      ac_cv_header_winsock_h="yes"
+    ],[
+      ac_cv_header_winsock_h="no"
+    ])
+  ])
+  case "$ac_cv_header_winsock_h" in
+    yes)
+      AC_DEFINE_UNQUOTED(HAVE_WINSOCK_H, 1,
+        [Define to 1 if you have the winsock.h header file.])
+      ;;
+  esac
+])
+
+
+dnl CURL_CHECK_HEADER_WINSOCK2
+dnl -------------------------------------------------
+dnl Check for compilable and valid winsock2.h header
+
+AC_DEFUN([CURL_CHECK_HEADER_WINSOCK2], [
+  AC_REQUIRE([CURL_CHECK_HEADER_WINDOWS])dnl
+  AC_CACHE_CHECK([for winsock2.h], [ac_cv_header_winsock2_h], [
+    AC_COMPILE_IFELSE([
+      AC_LANG_PROGRAM([[
+#undef inline
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+#include <winsock2.h>
+      ]],[[
+#if defined(__CYGWIN__) || defined(__CEGCC__) || defined(__MINGW32CE__)
+        HAVE_WINSOCK2_H shall not be defined.
+#else
+        int dummy=2*IPPROTO_ESP;
+#endif
+      ]])
+    ],[
+      ac_cv_header_winsock2_h="yes"
+    ],[
+      ac_cv_header_winsock2_h="no"
+    ])
+  ])
+  case "$ac_cv_header_winsock2_h" in
+    yes)
+      AC_DEFINE_UNQUOTED(HAVE_WINSOCK2_H, 1,
+        [Define to 1 if you have the winsock2.h header file.])
+      ;;
+  esac
+])
+
+
+dnl CURL_CHECK_HEADER_WS2TCPIP
+dnl -------------------------------------------------
+dnl Check for compilable and valid ws2tcpip.h header
+
+AC_DEFUN([CURL_CHECK_HEADER_WS2TCPIP], [
+  AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK2])dnl
+  AC_CACHE_CHECK([for ws2tcpip.h], [ac_cv_header_ws2tcpip_h], [
+    AC_COMPILE_IFELSE([
+      AC_LANG_PROGRAM([[
+#undef inline
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+#include <winsock2.h>
+#include <ws2tcpip.h>
+      ]],[[
+#if defined(__CYGWIN__) || defined(__CEGCC__) || defined(__MINGW32CE__)
+        HAVE_WS2TCPIP_H shall not be defined.
+#else
+        int dummy=2*IP_PKTINFO;
+#endif
+      ]])
+    ],[
+      ac_cv_header_ws2tcpip_h="yes"
+    ],[
+      ac_cv_header_ws2tcpip_h="no"
+    ])
+  ])
+  case "$ac_cv_header_ws2tcpip_h" in
+    yes)
+      AC_DEFINE_UNQUOTED(HAVE_WS2TCPIP_H, 1,
+        [Define to 1 if you have the ws2tcpip.h header file.])
+      ;;
+  esac
+])
+
+
+dnl CURL_CHECK_HEADER_MALLOC
+dnl -------------------------------------------------
+dnl Check for compilable and valid malloc.h header,
+dnl and check if it is needed even with stdlib.h
+
+AC_DEFUN([CURL_CHECK_HEADER_MALLOC], [
+  AC_CACHE_CHECK([for malloc.h], [ac_cv_header_malloc_h], [
+    AC_COMPILE_IFELSE([
+      AC_LANG_PROGRAM([[
+#include <malloc.h>
+      ]],[[
+        void *p = malloc(10);
+        void *q = calloc(10,10);
+        free(p);
+        free(q);
+      ]])
+    ],[
+      ac_cv_header_malloc_h="yes"
+    ],[
+      ac_cv_header_malloc_h="no"
+    ])
+  ])
+  if test "$ac_cv_header_malloc_h" = "yes"; then
+    AC_DEFINE_UNQUOTED(HAVE_MALLOC_H, 1,
+      [Define to 1 if you have the malloc.h header file.])
+    #
+    AC_COMPILE_IFELSE([
+      AC_LANG_PROGRAM([[
+#include <stdlib.h>
+      ]],[[
+        void *p = malloc(10);
+        void *q = calloc(10,10);
+        free(p);
+        free(q);
+      ]])
+    ],[
+      curl_cv_need_header_malloc_h="no"
+    ],[
+      curl_cv_need_header_malloc_h="yes"
+    ])
+    #
+    case "$curl_cv_need_header_malloc_h" in
+      yes)
+        AC_DEFINE_UNQUOTED(NEED_MALLOC_H, 1,
+          [Define to 1 if you need the malloc.h header file even with stdlib.h])
+        ;;
+    esac
+  fi
+])
+
+
+dnl CURL_CHECK_HEADER_MEMORY
+dnl -------------------------------------------------
+dnl Check for compilable and valid memory.h header,
+dnl and check if it is needed even with stdlib.h for
+dnl memory related functions.
+
+AC_DEFUN([CURL_CHECK_HEADER_MEMORY], [
+  AC_CACHE_CHECK([for memory.h], [ac_cv_header_memory_h], [
+    AC_COMPILE_IFELSE([
+      AC_LANG_PROGRAM([[
+#include <memory.h>
+      ]],[[
+        void *p = malloc(10);
+        void *q = calloc(10,10);
+        free(p);
+        free(q);
+      ]])
+    ],[
+      ac_cv_header_memory_h="yes"
+    ],[
+      ac_cv_header_memory_h="no"
+    ])
+  ])
+  if test "$ac_cv_header_memory_h" = "yes"; then
+    AC_DEFINE_UNQUOTED(HAVE_MEMORY_H, 1,
+      [Define to 1 if you have the memory.h header file.])
+    #
+    AC_COMPILE_IFELSE([
+      AC_LANG_PROGRAM([[
+#include <stdlib.h>
+      ]],[[
+        void *p = malloc(10);
+        void *q = calloc(10,10);
+        free(p);
+        free(q);
+      ]])
+    ],[
+      curl_cv_need_header_memory_h="no"
+    ],[
+      curl_cv_need_header_memory_h="yes"
+    ])
+    #
+    case "$curl_cv_need_header_memory_h" in
+      yes)
+        AC_DEFINE_UNQUOTED(NEED_MEMORY_H, 1,
+          [Define to 1 if you need the memory.h header file even with stdlib.h])
+        ;;
+    esac
+  fi
+])
+
+
+dnl CURL_CHECK_FUNC_GETNAMEINFO
+dnl -------------------------------------------------
+dnl Test if the getnameinfo function is available,
+dnl and check the types of five of its arguments.
+dnl If the function succeeds HAVE_GETNAMEINFO will be
+dnl defined, defining the types of the arguments in
+dnl GETNAMEINFO_TYPE_ARG1, GETNAMEINFO_TYPE_ARG2,
+dnl GETNAMEINFO_TYPE_ARG46 and GETNAMEINFO_TYPE_ARG7,
+dnl and also defining the type qualifier of first
+dnl argument in GETNAMEINFO_QUAL_ARG1.
+
+AC_DEFUN([CURL_CHECK_FUNC_GETNAMEINFO], [
+  AC_REQUIRE([CURL_CHECK_HEADER_WS2TCPIP])dnl
+  AC_CHECK_HEADERS(sys/types.h sys/socket.h netdb.h)
+  #
+  AC_MSG_CHECKING([for getnameinfo])
+  AC_LINK_IFELSE([
+    AC_LANG_FUNC_LINK_TRY([getnameinfo])
+  ],[
+    AC_MSG_RESULT([yes])
+    curl_cv_getnameinfo="yes"
+  ],[
+    AC_MSG_RESULT([no])
+    curl_cv_getnameinfo="no"
+  ])
+  #
+  if test "$curl_cv_getnameinfo" != "yes"; then
+    AC_MSG_CHECKING([deeper for getnameinfo])
+    AC_LINK_IFELSE([
+      AC_LANG_PROGRAM([[
+      ]],[[
+        getnameinfo();
+      ]])
+    ],[
+      AC_MSG_RESULT([yes])
+      curl_cv_getnameinfo="yes"
+    ],[
+      AC_MSG_RESULT([but still no])
+      curl_cv_getnameinfo="no"
+    ])
+  fi
+  #
+  if test "$curl_cv_getnameinfo" != "yes"; then
+    AC_MSG_CHECKING([deeper and deeper for getnameinfo])
+    AC_LINK_IFELSE([
+      AC_LANG_PROGRAM([[
+#undef inline
+#ifdef HAVE_WINDOWS_H
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+#ifdef HAVE_WINSOCK2_H
+#include <winsock2.h>
+#ifdef HAVE_WS2TCPIP_H
+#include <ws2tcpip.h>
+#endif
+#endif
+#else
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#endif
+      ]],[[
+        getnameinfo(0, 0, 0, 0, 0, 0, 0);
+      ]])
+    ],[
+      AC_MSG_RESULT([yes])
+      curl_cv_getnameinfo="yes"
+    ],[
+      AC_MSG_RESULT([but still no])
+      curl_cv_getnameinfo="no"
+    ])
+  fi
+  #
+  if test "$curl_cv_getnameinfo" = "yes"; then
+    AC_CACHE_CHECK([types of arguments for getnameinfo],
+      [curl_cv_func_getnameinfo_args], [
+      curl_cv_func_getnameinfo_args="unknown"
+      for gni_arg1 in 'struct sockaddr *' 'const struct sockaddr *' 'void *'; do
+        for gni_arg2 in 'socklen_t' 'size_t' 'int'; do
+          for gni_arg46 in 'size_t' 'int' 'socklen_t' 'unsigned int' 'DWORD'; do
+            for gni_arg7 in 'int' 'unsigned int'; do
+              if test "$curl_cv_func_getnameinfo_args" = "unknown"; then
+                AC_COMPILE_IFELSE([
+                  AC_LANG_PROGRAM([[
+#undef inline
+#ifdef HAVE_WINDOWS_H
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#if (!defined(_WIN32_WINNT)) || (_WIN32_WINNT < 0x0501)
+#undef _WIN32_WINNT
+#define _WIN32_WINNT 0x0501
+#endif
+#include <windows.h>
+#ifdef HAVE_WINSOCK2_H
+#include <winsock2.h>
+#ifdef HAVE_WS2TCPIP_H
+#include <ws2tcpip.h>
+#endif
+#endif
+#define GNICALLCONV WSAAPI
+#else
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#define GNICALLCONV
+#endif
+                    extern int GNICALLCONV getnameinfo($gni_arg1, $gni_arg2,
+                                           char *, $gni_arg46,
+                                           char *, $gni_arg46,
+                                           $gni_arg7);
+                  ]],[[
+                    $gni_arg2 salen=0;
+                    $gni_arg46 hostlen=0;
+                    $gni_arg46 servlen=0;
+                    $gni_arg7 flags=0;
+                    int res = getnameinfo(0, salen, 0, hostlen, 0, servlen, flags);
+                  ]])
+                ],[
+                  curl_cv_func_getnameinfo_args="$gni_arg1,$gni_arg2,$gni_arg46,$gni_arg7"
+                ])
+              fi
+            done
+          done
+        done
+      done
+    ]) # AC-CACHE-CHECK
+    if test "$curl_cv_func_getnameinfo_args" = "unknown"; then
+      AC_MSG_WARN([Cannot find proper types to use for getnameinfo args])
+      AC_MSG_WARN([HAVE_GETNAMEINFO will not be defined])
+    else
+      gni_prev_IFS=$IFS; IFS=','
+      set dummy `echo "$curl_cv_func_getnameinfo_args" | sed 's/\*/\*/g'`
+      IFS=$gni_prev_IFS
+      shift
+      #
+      gni_qual_type_arg1=$[1]
+      #
+      AC_DEFINE_UNQUOTED(GETNAMEINFO_TYPE_ARG2, $[2],
+        [Define to the type of arg 2 for getnameinfo.])
+      AC_DEFINE_UNQUOTED(GETNAMEINFO_TYPE_ARG46, $[3],
+        [Define to the type of args 4 and 6 for getnameinfo.])
+      AC_DEFINE_UNQUOTED(GETNAMEINFO_TYPE_ARG7, $[4],
+        [Define to the type of arg 7 for getnameinfo.])
+      #
+      prev_sh_opts=$-
+      #
+      case $prev_sh_opts in
+        *f*)
+          ;;
+        *)
+          set -f
+          ;;
+      esac
+      #
+      case "$gni_qual_type_arg1" in
+        const*)
+          gni_qual_arg1=const
+          gni_type_arg1=`echo $gni_qual_type_arg1 | sed 's/^const //'`
+        ;;
+        *)
+          gni_qual_arg1=
+          gni_type_arg1=$gni_qual_type_arg1
+        ;;
+      esac
+      #
+      AC_DEFINE_UNQUOTED(GETNAMEINFO_QUAL_ARG1, $gni_qual_arg1,
+        [Define to the type qualifier of arg 1 for getnameinfo.])
+      AC_DEFINE_UNQUOTED(GETNAMEINFO_TYPE_ARG1, $gni_type_arg1,
+        [Define to the type of arg 1 for getnameinfo.])
+      #
+      case $prev_sh_opts in
+        *f*)
+          ;;
+        *)
+          set +f
+          ;;
+      esac
+      #
+      AC_DEFINE_UNQUOTED(HAVE_GETNAMEINFO, 1,
+        [Define to 1 if you have the getnameinfo function.])
+      ac_cv_func_getnameinfo="yes"
+    fi
+  fi
+])
+
+
+dnl TYPE_SOCKADDR_STORAGE
+dnl -------------------------------------------------
+dnl Check for struct sockaddr_storage. Most IPv6-enabled
+dnl hosts have it, but AIX 4.3 is one known exception.
+
+AC_DEFUN([TYPE_SOCKADDR_STORAGE],
+[
+   AC_CHECK_TYPE([struct sockaddr_storage],
+        AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE, 1,
+                  [if struct sockaddr_storage is defined]), ,
+   [
+#undef inline
+#ifdef HAVE_WINDOWS_H
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+#ifdef HAVE_WINSOCK2_H
+#include <winsock2.h>
+#endif
+#else
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#endif
+   ])
+])
+
+
+dnl CURL_CHECK_NI_WITHSCOPEID
+dnl -------------------------------------------------
+dnl Check for working NI_WITHSCOPEID in getnameinfo()
+
+AC_DEFUN([CURL_CHECK_NI_WITHSCOPEID], [
+  AC_REQUIRE([CURL_CHECK_FUNC_GETNAMEINFO])dnl
+  AC_REQUIRE([TYPE_SOCKADDR_STORAGE])dnl
+  AC_CHECK_HEADERS(stdio.h sys/types.h sys/socket.h \
+                   netdb.h netinet/in.h arpa/inet.h)
+  #
+  AC_CACHE_CHECK([for working NI_WITHSCOPEID],
+    [ac_cv_working_ni_withscopeid], [
+    AC_RUN_IFELSE([
+      AC_LANG_PROGRAM([[
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#ifdef HAVE_STDIO_H
+#include <stdio.h>
+#endif
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+      ]],[[
+#if defined(NI_WITHSCOPEID) && defined(HAVE_GETNAMEINFO)
+#ifdef HAVE_STRUCT_SOCKADDR_STORAGE
+        struct sockaddr_storage sa;
+#else
+        unsigned char sa[256];
+#endif
+        char hostbuf[NI_MAXHOST];
+        int rc;
+        GETNAMEINFO_TYPE_ARG2 salen = (GETNAMEINFO_TYPE_ARG2)sizeof(sa);
+        GETNAMEINFO_TYPE_ARG46 hostlen = (GETNAMEINFO_TYPE_ARG46)sizeof(hostbuf);
+        GETNAMEINFO_TYPE_ARG7 flags = NI_NUMERICHOST | NI_NUMERICSERV | NI_WITHSCOPEID;
+        int fd = socket(AF_INET6, SOCK_STREAM, 0);
+        if(fd < 0) {
+          perror("socket()");
+          return 1; /* Error creating socket */
+        }
+        rc = getsockname(fd, (GETNAMEINFO_TYPE_ARG1)&sa, &salen);
+        if(rc) {
+          perror("getsockname()");
+          return 2; /* Error retrieving socket name */
+        }
+        rc = getnameinfo((GETNAMEINFO_TYPE_ARG1)&sa, salen, hostbuf, hostlen, NULL, 0, flags);
+        if(rc) {
+          printf("rc = %s\n", gai_strerror(rc));
+          return 3; /* Error translating socket address */
+        }
+        return 0; /* Ok, NI_WITHSCOPEID works */
+#else
+        return 4; /* Error, NI_WITHSCOPEID not defined or no getnameinfo() */
+#endif
+      ]]) # AC-LANG-PROGRAM
+    ],[
+      # Exit code == 0. Program worked.
+      ac_cv_working_ni_withscopeid="yes"
+    ],[
+      # Exit code != 0. Program failed.
+      ac_cv_working_ni_withscopeid="no"
+    ],[
+      # Program is not run when cross-compiling. So we assume
+      # NI_WITHSCOPEID will work if we are able to compile it.
+      AC_COMPILE_IFELSE([
+        AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+        ]],[[
+          unsigned int dummy= NI_NUMERICHOST | NI_NUMERICSERV | NI_WITHSCOPEID;
+        ]])
+      ],[
+        ac_cv_working_ni_withscopeid="yes"
+      ],[
+        ac_cv_working_ni_withscopeid="no"
+      ]) # AC-COMPILE-IFELSE
+    ]) # AC-RUN-IFELSE
+  ]) # AC-CACHE-CHECK
+  case "$ac_cv_working_ni_withscopeid" in
+    yes)
+      AC_DEFINE(HAVE_NI_WITHSCOPEID, 1,
+        [Define to 1 if NI_WITHSCOPEID exists and works.])
+      ;;
+  esac
+])
+
+
+dnl CURL_CHECK_FUNC_RECV
+dnl -------------------------------------------------
+dnl Test if the socket recv() function is available,
+dnl and check its return type and the types of its
+dnl arguments. If the function succeeds HAVE_RECV
+dnl will be defined, defining the types of the arguments
+dnl in RECV_TYPE_ARG1, RECV_TYPE_ARG2, RECV_TYPE_ARG3
+dnl and RECV_TYPE_ARG4, defining the type of the function
+dnl return value in RECV_TYPE_RETV.
+
+AC_DEFUN([CURL_CHECK_FUNC_RECV], [
+  AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK])dnl
+  AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK2])dnl
+  AC_CHECK_HEADERS(sys/types.h sys/socket.h)
+  #
+  AC_MSG_CHECKING([for recv])
+  AC_LINK_IFELSE([
+    AC_LANG_PROGRAM([[
+#undef inline
+#ifdef HAVE_WINDOWS_H
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+#ifdef HAVE_WINSOCK2_H
+#include <winsock2.h>
+#else
+#ifdef HAVE_WINSOCK_H
+#include <winsock.h>
+#endif
+#endif
+#else
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#endif
+    ]],[[
+      recv(0, 0, 0, 0);
+    ]])
+  ],[
+    AC_MSG_RESULT([yes])
+    curl_cv_recv="yes"
+  ],[
+    AC_MSG_RESULT([no])
+    curl_cv_recv="no"
+  ])
+  #
+  if test "$curl_cv_recv" = "yes"; then
+    AC_CACHE_CHECK([types of args and return type for recv],
+      [curl_cv_func_recv_args], [
+      curl_cv_func_recv_args="unknown"
+      for recv_retv in 'int' 'ssize_t'; do
+        for recv_arg1 in 'int' 'ssize_t' 'SOCKET'; do
+          for recv_arg2 in 'char *' 'void *'; do
+            for recv_arg3 in 'size_t' 'int' 'socklen_t' 'unsigned int'; do
+              for recv_arg4 in 'int' 'unsigned int'; do
+                if test "$curl_cv_func_recv_args" = "unknown"; then
+                  AC_COMPILE_IFELSE([
+                    AC_LANG_PROGRAM([[
+#undef inline
+#ifdef HAVE_WINDOWS_H
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+#ifdef HAVE_WINSOCK2_H
+#include <winsock2.h>
+#else
+#ifdef HAVE_WINSOCK_H
+#include <winsock.h>
+#endif
+#endif
+#define RECVCALLCONV PASCAL
+#else
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#define RECVCALLCONV
+#endif
+                      extern $recv_retv RECVCALLCONV
+                      recv($recv_arg1, $recv_arg2, $recv_arg3, $recv_arg4);
+                    ]],[[
+                      $recv_arg1 s=0;
+                      $recv_arg2 buf=0;
+                      $recv_arg3 len=0;
+                      $recv_arg4 flags=0;
+                      $recv_retv res = recv(s, buf, len, flags);
+                    ]])
+                  ],[
+                    curl_cv_func_recv_args="$recv_arg1,$recv_arg2,$recv_arg3,$recv_arg4,$recv_retv"
+                  ])
+                fi
+              done
+            done
+          done
+        done
+      done
+    ]) # AC-CACHE-CHECK
+    if test "$curl_cv_func_recv_args" = "unknown"; then
+      AC_MSG_ERROR([Cannot find proper types to use for recv args])
+    else
+      recv_prev_IFS=$IFS; IFS=','
+      set dummy `echo "$curl_cv_func_recv_args" | sed 's/\*/\*/g'`
+      IFS=$recv_prev_IFS
+      shift
+      #
+      AC_DEFINE_UNQUOTED(RECV_TYPE_ARG1, $[1],
+        [Define to the type of arg 1 for recv.])
+      AC_DEFINE_UNQUOTED(RECV_TYPE_ARG2, $[2],
+        [Define to the type of arg 2 for recv.])
+      AC_DEFINE_UNQUOTED(RECV_TYPE_ARG3, $[3],
+        [Define to the type of arg 3 for recv.])
+      AC_DEFINE_UNQUOTED(RECV_TYPE_ARG4, $[4],
+        [Define to the type of arg 4 for recv.])
+      AC_DEFINE_UNQUOTED(RECV_TYPE_RETV, $[5],
+        [Define to the function return type for recv.])
+      #
+      AC_DEFINE_UNQUOTED(HAVE_RECV, 1,
+        [Define to 1 if you have the recv function.])
+      ac_cv_func_recv="yes"
+    fi
+  else
+    AC_MSG_ERROR([Unable to link function recv])
+  fi
+])
+
+
+dnl CURL_CHECK_FUNC_SEND
+dnl -------------------------------------------------
+dnl Test if the socket send() function is available,
+dnl and check its return type and the types of its
+dnl arguments. If the function succeeds HAVE_SEND
+dnl will be defined, defining the types of the arguments
+dnl in SEND_TYPE_ARG1, SEND_TYPE_ARG2, SEND_TYPE_ARG3
+dnl and SEND_TYPE_ARG4, defining the type of the function
+dnl return value in SEND_TYPE_RETV, and also defining the
+dnl type qualifier of second argument in SEND_QUAL_ARG2.
+
+AC_DEFUN([CURL_CHECK_FUNC_SEND], [
+  AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK])dnl
+  AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK2])dnl
+  AC_CHECK_HEADERS(sys/types.h sys/socket.h)
+  #
+  AC_MSG_CHECKING([for send])
+  AC_LINK_IFELSE([
+    AC_LANG_PROGRAM([[
+#undef inline
+#ifdef HAVE_WINDOWS_H
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+#ifdef HAVE_WINSOCK2_H
+#include <winsock2.h>
+#else
+#ifdef HAVE_WINSOCK_H
+#include <winsock.h>
+#endif
+#endif
+#else
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#endif
+    ]],[[
+      send(0, 0, 0, 0);
+    ]])
+  ],[
+    AC_MSG_RESULT([yes])
+    curl_cv_send="yes"
+  ],[
+    AC_MSG_RESULT([no])
+    curl_cv_send="no"
+  ])
+  #
+  if test "$curl_cv_send" = "yes"; then
+    AC_CACHE_CHECK([types of args and return type for send],
+      [curl_cv_func_send_args], [
+      curl_cv_func_send_args="unknown"
+      for send_retv in 'int' 'ssize_t'; do
+        for send_arg1 in 'int' 'ssize_t' 'SOCKET'; do
+          for send_arg2 in 'char *' 'void *' 'const char *' 'const void *'; do
+            for send_arg3 in 'size_t' 'int' 'socklen_t' 'unsigned int'; do
+              for send_arg4 in 'int' 'unsigned int'; do
+                if test "$curl_cv_func_send_args" = "unknown"; then
+                  AC_COMPILE_IFELSE([
+                    AC_LANG_PROGRAM([[
+#undef inline
+#ifdef HAVE_WINDOWS_H
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+#ifdef HAVE_WINSOCK2_H
+#include <winsock2.h>
+#else
+#ifdef HAVE_WINSOCK_H
+#include <winsock.h>
+#endif
+#endif
+#define SENDCALLCONV PASCAL
+#else
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#define SENDCALLCONV
+#endif
+                      extern $send_retv SENDCALLCONV
+                      send($send_arg1, $send_arg2, $send_arg3, $send_arg4);
+                    ]],[[
+                      $send_arg1 s=0;
+                      $send_arg3 len=0;
+                      $send_arg4 flags=0;
+                      $send_retv res = send(s, 0, len, flags);
+                    ]])
+                  ],[
+                    curl_cv_func_send_args="$send_arg1,$send_arg2,$send_arg3,$send_arg4,$send_retv"
+                  ])
+                fi
+              done
+            done
+          done
+        done
+      done
+    ]) # AC-CACHE-CHECK
+    if test "$curl_cv_func_send_args" = "unknown"; then
+      AC_MSG_ERROR([Cannot find proper types to use for send args])
+    else
+      send_prev_IFS=$IFS; IFS=','
+      set dummy `echo "$curl_cv_func_send_args" | sed 's/\*/\*/g'`
+      IFS=$send_prev_IFS
+      shift
+      #
+      send_qual_type_arg2=$[2]
+      #
+      AC_DEFINE_UNQUOTED(SEND_TYPE_ARG1, $[1],
+        [Define to the type of arg 1 for send.])
+      AC_DEFINE_UNQUOTED(SEND_TYPE_ARG3, $[3],
+        [Define to the type of arg 3 for send.])
+      AC_DEFINE_UNQUOTED(SEND_TYPE_ARG4, $[4],
+        [Define to the type of arg 4 for send.])
+      AC_DEFINE_UNQUOTED(SEND_TYPE_RETV, $[5],
+        [Define to the function return type for send.])
+      #
+      prev_sh_opts=$-
+      #
+      case $prev_sh_opts in
+        *f*)
+          ;;
+        *)
+          set -f
+          ;;
+      esac
+      #
+      case "$send_qual_type_arg2" in
+        const*)
+          send_qual_arg2=const
+          send_type_arg2=`echo $send_qual_type_arg2 | sed 's/^const //'`
+        ;;
+        *)
+          send_qual_arg2=
+          send_type_arg2=$send_qual_type_arg2
+        ;;
+      esac
+      #
+      AC_DEFINE_UNQUOTED(SEND_QUAL_ARG2, $send_qual_arg2,
+        [Define to the type qualifier of arg 2 for send.])
+      AC_DEFINE_UNQUOTED(SEND_TYPE_ARG2, $send_type_arg2,
+        [Define to the type of arg 2 for send.])
+      #
+      case $prev_sh_opts in
+        *f*)
+          ;;
+        *)
+          set +f
+          ;;
+      esac
+      #
+      AC_DEFINE_UNQUOTED(HAVE_SEND, 1,
+        [Define to 1 if you have the send function.])
+      ac_cv_func_send="yes"
+    fi
+  else
+    AC_MSG_ERROR([Unable to link function send])
+  fi
+])
+
+
+dnl CURL_CHECK_FUNC_RECVFROM
+dnl -------------------------------------------------
+dnl Test if the socket recvfrom() function is available,
+dnl and check its return type and the types of its
+dnl arguments. If the function succeeds HAVE_RECVFROM
+dnl will be defined, defining the types of the arguments
+dnl in RECVFROM_TYPE_ARG1, RECVFROM_TYPE_ARG2, and so on
+dnl to RECVFROM_TYPE_ARG6, defining also the type of the
+dnl function return value in RECVFROM_TYPE_RETV.
+dnl Notice that the types returned for pointer arguments
+dnl will actually be the type pointed by the pointer.
+
+AC_DEFUN([CURL_CHECK_FUNC_RECVFROM], [
+  AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK])dnl
+  AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK2])dnl
+  AC_CHECK_HEADERS(sys/types.h sys/socket.h)
+  #
+  AC_MSG_CHECKING([for recvfrom])
+  AC_LINK_IFELSE([
+    AC_LANG_PROGRAM([[
+#undef inline
+#ifdef HAVE_WINDOWS_H
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+#ifdef HAVE_WINSOCK2_H
+#include <winsock2.h>
+#else
+#ifdef HAVE_WINSOCK_H
+#include <winsock.h>
+#endif
+#endif
+#else
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#endif
+    ]],[[
+      recvfrom(0, 0, 0, 0, 0, 0);
+    ]])
+  ],[
+    AC_MSG_RESULT([yes])
+    curl_cv_recvfrom="yes"
+  ],[
+    AC_MSG_RESULT([no])
+    curl_cv_recvfrom="no"
+  ])
+  #
+  if test "$curl_cv_recvfrom" = "yes"; then
+    AC_CACHE_CHECK([types of args and return type for recvfrom],
+      [curl_cv_func_recvfrom_args], [
+      curl_cv_func_recvfrom_args="unknown"
+      for recvfrom_retv in 'int' 'ssize_t'; do
+        for recvfrom_arg1 in 'int' 'ssize_t' 'SOCKET'; do
+          for recvfrom_arg2 in 'char *' 'void *'; do
+            for recvfrom_arg3 in 'size_t' 'int' 'socklen_t' 'unsigned int'; do
+              for recvfrom_arg4 in 'int' 'unsigned int'; do
+                for recvfrom_arg5 in 'struct sockaddr *' 'void *' 'const struct sockaddr *'; do
+                  for recvfrom_arg6 in 'socklen_t *' 'int *' 'unsigned int *' 'size_t *' 'void *'; do
+                    if test "$curl_cv_func_recvfrom_args" = "unknown"; then
+                      AC_COMPILE_IFELSE([
+                        AC_LANG_PROGRAM([[
+#undef inline
+#ifdef HAVE_WINDOWS_H
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+#ifdef HAVE_WINSOCK2_H
+#include <winsock2.h>
+#else
+#ifdef HAVE_WINSOCK_H
+#include <winsock.h>
+#endif
+#endif
+#define RECVFROMCALLCONV PASCAL
+#else
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#define RECVFROMCALLCONV
+#endif
+                          extern $recvfrom_retv RECVFROMCALLCONV
+                          recvfrom($recvfrom_arg1, $recvfrom_arg2,
+                                   $recvfrom_arg3, $recvfrom_arg4,
+                                   $recvfrom_arg5, $recvfrom_arg6);
+                        ]],[[
+                          $recvfrom_arg1 s=0;
+                          $recvfrom_arg2 buf=0;
+                          $recvfrom_arg3 len=0;
+                          $recvfrom_arg4 flags=0;
+                          $recvfrom_arg5 addr=0;
+                          $recvfrom_arg6 addrlen=0;
+                          $recvfrom_retv res=0;
+                          res = recvfrom(s, buf, len, flags, addr, addrlen);
+                        ]])
+                      ],[
+                        curl_cv_func_recvfrom_args="$recvfrom_arg1,$recvfrom_arg2,$recvfrom_arg3,$recvfrom_arg4,$recvfrom_arg5,$recvfrom_arg6,$recvfrom_retv"
+                      ])
+                    fi
+                  done
+                done
+              done
+            done
+          done
+        done
+      done
+    ]) # AC-CACHE-CHECK
+    # Nearly last minute change for this release starts here
+    AC_DEFINE_UNQUOTED(HAVE_RECVFROM, 1,
+      [Define to 1 if you have the recvfrom function.])
+    ac_cv_func_recvfrom="yes"
+    # Nearly last minute change for this release ends here
+    if test "$curl_cv_func_recvfrom_args" = "unknown"; then
+      AC_MSG_WARN([Cannot find proper types to use for recvfrom args])
+    else
+      recvfrom_prev_IFS=$IFS; IFS=','
+      set dummy `echo "$curl_cv_func_recvfrom_args" | sed 's/\*/\*/g'`
+      IFS=$recvfrom_prev_IFS
+      shift
+      #
+      recvfrom_ptrt_arg2=$[2]
+      recvfrom_qual_ptrt_arg5=$[5]
+      recvfrom_ptrt_arg6=$[6]
+      #
+      AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG1, $[1],
+        [Define to the type of arg 1 for recvfrom.])
+      AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG3, $[3],
+        [Define to the type of arg 3 for recvfrom.])
+      AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG4, $[4],
+        [Define to the type of arg 4 for recvfrom.])
+      AC_DEFINE_UNQUOTED(RECVFROM_TYPE_RETV, $[7],
+        [Define to the function return type for recvfrom.])
+      #
+      prev_sh_opts=$-
+      #
+      case $prev_sh_opts in
+        *f*)
+          ;;
+        *)
+          set -f
+          ;;
+      esac
+      #
+      case "$recvfrom_qual_ptrt_arg5" in
+        const*)
+          recvfrom_qual_arg5=const
+          recvfrom_ptrt_arg5=`echo $recvfrom_qual_ptrt_arg5 | sed 's/^const //'`
+        ;;
+        *)
+          recvfrom_qual_arg5=
+          recvfrom_ptrt_arg5=$recvfrom_qual_ptrt_arg5
+        ;;
+      esac
+      #
+      recvfrom_type_arg2=`echo $recvfrom_ptrt_arg2 | sed 's/ \*//'`
+      recvfrom_type_arg5=`echo $recvfrom_ptrt_arg5 | sed 's/ \*//'`
+      recvfrom_type_arg6=`echo $recvfrom_ptrt_arg6 | sed 's/ \*//'`
+      #
+      AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG2, $recvfrom_type_arg2,
+        [Define to the type pointed by arg 2 for recvfrom.])
+      AC_DEFINE_UNQUOTED(RECVFROM_QUAL_ARG5, $recvfrom_qual_arg5,
+        [Define to the type qualifier pointed by arg 5 for recvfrom.])
+      AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG5, $recvfrom_type_arg5,
+        [Define to the type pointed by arg 5 for recvfrom.])
+      AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG6, $recvfrom_type_arg6,
+        [Define to the type pointed by arg 6 for recvfrom.])
+      #
+      if test "$recvfrom_type_arg2" = "void"; then
+        AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG2_IS_VOID, 1,
+          [Define to 1 if the type pointed by arg 2 for recvfrom is void.])
+      fi
+      if test "$recvfrom_type_arg5" = "void"; then
+        AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG5_IS_VOID, 1,
+          [Define to 1 if the type pointed by arg 5 for recvfrom is void.])
+      fi
+      if test "$recvfrom_type_arg6" = "void"; then
+        AC_DEFINE_UNQUOTED(RECVFROM_TYPE_ARG6_IS_VOID, 1,
+          [Define to 1 if the type pointed by arg 6 for recvfrom is void.])
+      fi
+      #
+      case $prev_sh_opts in
+        *f*)
+          ;;
+        *)
+          set +f
+          ;;
+      esac
+      #
+      AC_DEFINE_UNQUOTED(HAVE_RECVFROM, 1,
+        [Define to 1 if you have the recvfrom function.])
+      ac_cv_func_recvfrom="yes"
+    fi
+  else
+    AC_MSG_WARN([Unable to link function recvfrom])
+    AC_MSG_WARN([Your system will be vulnerable to some forms of DNS cache poisoning])
+  fi
+])
+
+
+dnl CURL_CHECK_MSG_NOSIGNAL
+dnl -------------------------------------------------
+dnl Check for MSG_NOSIGNAL
+
+AC_DEFUN([CURL_CHECK_MSG_NOSIGNAL], [
+  AC_CHECK_HEADERS(sys/types.h sys/socket.h)
+  AC_CACHE_CHECK([for MSG_NOSIGNAL], [ac_cv_msg_nosignal], [
+    AC_COMPILE_IFELSE([
+      AC_LANG_PROGRAM([[
+#undef inline
+#ifdef HAVE_WINDOWS_H
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+#ifdef HAVE_WINSOCK2_H
+#include <winsock2.h>
+#else
+#ifdef HAVE_WINSOCK_H
+#include <winsock.h>
+#endif
+#endif
+#else
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#endif
+      ]],[[
+        int flag=MSG_NOSIGNAL;
+      ]])
+    ],[
+      ac_cv_msg_nosignal="yes"
+    ],[
+      ac_cv_msg_nosignal="no"
+    ])
+  ])
+  case "$ac_cv_msg_nosignal" in
+    yes)
+      AC_DEFINE_UNQUOTED(HAVE_MSG_NOSIGNAL, 1,
+        [Define to 1 if you have the MSG_NOSIGNAL flag.])
+      ;;
+  esac
+])
+
+
+dnl CURL_CHECK_STRUCT_TIMEVAL
+dnl -------------------------------------------------
+dnl Check for timeval struct
+
+AC_DEFUN([CURL_CHECK_STRUCT_TIMEVAL], [
+  AC_REQUIRE([AC_HEADER_TIME])dnl
+  AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK])dnl
+  AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK2])dnl
+  AC_CHECK_HEADERS(sys/types.h sys/time.h time.h sys/socket.h)
+  AC_CACHE_CHECK([for struct timeval], [ac_cv_struct_timeval], [
+    AC_COMPILE_IFELSE([
+      AC_LANG_PROGRAM([[
+#undef inline
+#ifdef HAVE_WINDOWS_H
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+#ifdef HAVE_WINSOCK2_H
+#include <winsock2.h>
+#else
+#ifdef HAVE_WINSOCK_H
+#include <winsock.h>
+#endif
+#endif
+#endif
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#ifdef TIME_WITH_SYS_TIME
+#include <time.h>
+#endif
+#else
+#ifdef HAVE_TIME_H
+#include <time.h>
+#endif
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+      ]],[[
+        struct timeval ts;
+        ts.tv_sec  = 0;
+        ts.tv_usec = 0;
+      ]])
+    ],[
+      ac_cv_struct_timeval="yes"
+    ],[
+      ac_cv_struct_timeval="no"
+    ])
+  ])
+  case "$ac_cv_struct_timeval" in
+    yes)
+      AC_DEFINE_UNQUOTED(HAVE_STRUCT_TIMEVAL, 1,
+        [Define to 1 if you have the timeval struct.])
+      ;;
+  esac
+])
+
+
+dnl TYPE_SIG_ATOMIC_T
+dnl -------------------------------------------------
+dnl Check if the sig_atomic_t type is available, and
+dnl verify if it is already defined as volatile.
+
+AC_DEFUN([TYPE_SIG_ATOMIC_T], [
+  AC_CHECK_HEADERS(signal.h)
+  AC_CHECK_TYPE([sig_atomic_t],[
+    AC_DEFINE(HAVE_SIG_ATOMIC_T, 1,
+      [Define to 1 if sig_atomic_t is an available typedef.])
+  ], ,[
+#ifdef HAVE_SIGNAL_H
+#include <signal.h>
+#endif
+  ])
+  case "$ac_cv_type_sig_atomic_t" in
+    yes)
+      #
+      AC_MSG_CHECKING([if sig_atomic_t is already defined as volatile])
+      AC_LINK_IFELSE([
+        AC_LANG_PROGRAM([[
+#ifdef HAVE_SIGNAL_H
+#include <signal.h>
+#endif
+        ]],[[
+          static volatile sig_atomic_t dummy = 0;
+        ]])
+      ],[
+        AC_MSG_RESULT([no])
+        ac_cv_sig_atomic_t_volatile="no"
+      ],[
+        AC_MSG_RESULT([yes])
+        ac_cv_sig_atomic_t_volatile="yes"
+      ])
+      #
+      if test "$ac_cv_sig_atomic_t_volatile" = "yes"; then
+        AC_DEFINE(HAVE_SIG_ATOMIC_T_VOLATILE, 1,
+          [Define to 1 if sig_atomic_t is already defined as volatile.])
+      fi
+      ;;
+  esac
+])
+
+
+dnl TYPE_IN_ADDR_T
+dnl -------------------------------------------------
+dnl Check for in_addr_t: it is used to receive the return code of inet_addr()
+dnl and a few other things.
+
+AC_DEFUN([TYPE_IN_ADDR_T], [
+  AC_CHECK_TYPE([in_addr_t], ,[
+    dnl in_addr_t not available
+    AC_CACHE_CHECK([for in_addr_t equivalent],
+      [curl_cv_in_addr_t_equiv], [
+      curl_cv_in_addr_t_equiv="unknown"
+      for t in "unsigned long" int size_t unsigned long; do
+        if test "$curl_cv_in_addr_t_equiv" = "unknown"; then
+          AC_LINK_IFELSE([
+            AC_LANG_PROGRAM([[
+#undef inline
+#ifdef HAVE_WINDOWS_H
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+#ifdef HAVE_WINSOCK2_H
+#include <winsock2.h>
+#else
+#ifdef HAVE_WINSOCK_H
+#include <winsock.h>
+#endif
+#endif
+#else
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#endif
+            ]],[[
+              $t data = inet_addr ("1.2.3.4");
+            ]])
+          ],[
+            curl_cv_in_addr_t_equiv="$t"
+          ])
+        fi
+      done
+    ])
+    case "$curl_cv_in_addr_t_equiv" in
+      unknown)
+        AC_MSG_ERROR([Cannot find a type to use in place of in_addr_t])
+        ;;
+      *)
+        AC_DEFINE_UNQUOTED(in_addr_t, $curl_cv_in_addr_t_equiv,
+          [Type to use in place of in_addr_t when system does not provide it.])
+        ;;
+    esac
+  ],[
+#undef inline
+#ifdef HAVE_WINDOWS_H
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+#ifdef HAVE_WINSOCK2_H
+#include <winsock2.h>
+#else
+#ifdef HAVE_WINSOCK_H
+#include <winsock.h>
+#endif
+#endif
+#else
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#endif
+  ])
+])
+
+
+dnl CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC
+dnl -------------------------------------------------
+dnl Check if monotonic clock_gettime is available.
+
+AC_DEFUN([CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC], [
+  AC_REQUIRE([AC_HEADER_TIME])dnl
+  AC_CHECK_HEADERS(sys/types.h sys/time.h time.h)
+  AC_MSG_CHECKING([for monotonic clock_gettime])
+  AC_COMPILE_IFELSE([
+    AC_LANG_PROGRAM([[
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#ifdef TIME_WITH_SYS_TIME
+#include <time.h>
+#endif
+#else
+#ifdef HAVE_TIME_H
+#include <time.h>
+#endif
+#endif
+    ]],[[
+      struct timespec ts;
+      (void)clock_gettime(CLOCK_MONOTONIC, &ts);
+    ]])
+  ],[
+    AC_MSG_RESULT([yes])
+    ac_cv_func_clock_gettime="yes"
+  ],[
+    AC_MSG_RESULT([no])
+    ac_cv_func_clock_gettime="no"
+  ])
+  dnl Definition of HAVE_CLOCK_GETTIME_MONOTONIC is intentionally postponed
+  dnl until library linking and run-time checks for clock_gettime succeed.
+])
+
+
+dnl CURL_CHECK_LIBS_CLOCK_GETTIME_MONOTONIC
+dnl -------------------------------------------------
+dnl If monotonic clock_gettime is available then,
+dnl check and prepended to LIBS any needed libraries.
+
+AC_DEFUN([CURL_CHECK_LIBS_CLOCK_GETTIME_MONOTONIC], [
+  AC_REQUIRE([CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC])dnl
+  #
+  if test "$ac_cv_func_clock_gettime" = "yes"; then
+    #
+    AC_MSG_CHECKING([for clock_gettime in libraries])
+    #
+    curl_cv_save_LIBS="$LIBS"
+    curl_cv_gclk_LIBS="unknown"
+    #
+    for x_xlibs in '' '-lrt' '-lposix4' ; do
+      if test "$curl_cv_gclk_LIBS" = "unknown"; then
+        if test -z "$x_xlibs"; then
+          LIBS="$curl_cv_save_LIBS"
+        else
+          LIBS="$x_xlibs $curl_cv_save_LIBS"
+        fi
+        AC_LINK_IFELSE([
+          AC_LANG_PROGRAM([[
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#ifdef TIME_WITH_SYS_TIME
+#include <time.h>
+#endif
+#else
+#ifdef HAVE_TIME_H
+#include <time.h>
+#endif
+#endif
+          ]],[[
+            struct timespec ts;
+            (void)clock_gettime(CLOCK_MONOTONIC, &ts);
+          ]])
+        ],[
+          curl_cv_gclk_LIBS="$x_xlibs"
+        ])
+      fi
+    done
+    #
+    LIBS="$curl_cv_save_LIBS"
+    #
+    case X-"$curl_cv_gclk_LIBS" in
+      X-unknown)
+        AC_MSG_RESULT([cannot find clock_gettime])
+        AC_MSG_WARN([HAVE_CLOCK_GETTIME_MONOTONIC will not be defined])
+        ac_cv_func_clock_gettime="no"
+        ;;
+      X-)
+        AC_MSG_RESULT([no additional lib required])
+        ac_cv_func_clock_gettime="yes"
+        ;;
+      *)
+        if test -z "$curl_cv_save_LIBS"; then
+          LIBS="$curl_cv_gclk_LIBS"
+        else
+          LIBS="$curl_cv_gclk_LIBS $curl_cv_save_LIBS"
+        fi
+        AC_MSG_RESULT([$curl_cv_gclk_LIBS])
+        ac_cv_func_clock_gettime="yes"
+        ;;
+    esac
+    #
+    dnl only do runtime verification when not cross-compiling
+    if test "x$cross_compiling" != "xyes" &&
+      test "$ac_cv_func_clock_gettime" = "yes"; then
+      AC_MSG_CHECKING([if monotonic clock_gettime works])
+      AC_RUN_IFELSE([
+        AC_LANG_PROGRAM([[
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#ifdef TIME_WITH_SYS_TIME
+#include <time.h>
+#endif
+#else
+#ifdef HAVE_TIME_H
+#include <time.h>
+#endif
+#endif
+        ]],[[
+          struct timespec ts;
+          if (0 == clock_gettime(CLOCK_MONOTONIC, &ts))
+            exit(0);
+          else
+            exit(1);
+        ]])
+      ],[
+        AC_MSG_RESULT([yes])
+      ],[
+        AC_MSG_RESULT([no])
+        AC_MSG_WARN([HAVE_CLOCK_GETTIME_MONOTONIC will not be defined])
+        ac_cv_func_clock_gettime="no"
+        LIBS="$curl_cv_save_LIBS"
+      ])
+    fi
+    #
+    case "$ac_cv_func_clock_gettime" in
+      yes)
+        AC_DEFINE_UNQUOTED(HAVE_CLOCK_GETTIME_MONOTONIC, 1,
+          [Define to 1 if you have the clock_gettime function and monotonic timer.])
+        ;;
+    esac
+    #
+  fi
+  #
+])
+
+
+dnl CARES_CHECK_LIBS_CONNECT
+dnl -------------------------------------------------
+dnl Verify if network connect function is already available
+dnl using current libraries or if another one is required.
+
+AC_DEFUN([CARES_CHECK_LIBS_CONNECT], [
+  AC_REQUIRE([CARES_INCLUDES_WINSOCK2])dnl
+  AC_MSG_CHECKING([for connect in libraries])
+  tst_connect_save_LIBS="$LIBS"
+  tst_connect_need_LIBS="unknown"
+  for tst_lib in '' '-lsocket' ; do
+    if test "$tst_connect_need_LIBS" = "unknown"; then
+      LIBS="$tst_lib $tst_connect_save_LIBS"
+      AC_LINK_IFELSE([
+        AC_LANG_PROGRAM([[
+          $cares_includes_winsock2
+          #ifndef HAVE_WINDOWS_H
+            int connect(int, void*, int);
+          #endif
+        ]],[[
+          if(0 != connect(0, 0, 0))
+            return 1;
+        ]])
+      ],[
+        tst_connect_need_LIBS="$tst_lib"
+      ])
+    fi
+  done
+  LIBS="$tst_connect_save_LIBS"
+  #
+  case X-"$tst_connect_need_LIBS" in
+    X-unknown)
+      AC_MSG_RESULT([cannot find connect])
+      AC_MSG_ERROR([cannot find connect function in libraries.])
+      ;;
+    X-)
+      AC_MSG_RESULT([yes])
+      ;;
+    *)
+      AC_MSG_RESULT([$tst_connect_need_LIBS])
+      LIBS="$tst_connect_need_LIBS $tst_connect_save_LIBS"
+      ;;
+  esac
+])
+
+
+dnl CARES_DEFINE_UNQUOTED (VARIABLE, [VALUE])
+dnl -------------------------------------------------
+dnl Like AC_DEFINE_UNQUOTED this macro will define a C preprocessor
+dnl symbol that can be further used in custom template configuration
+dnl files. This macro, unlike AC_DEFINE_UNQUOTED, does not use a third
+dnl argument for the description. Symbol definitions done with this
+dnl macro are intended to be exclusively used in handcrafted *.h.in
+dnl template files. Contrary to what AC_DEFINE_UNQUOTED does, this one
+dnl prevents autoheader generation and insertion of symbol template
+dnl stub and definition into the first configuration header file. Do
+dnl not use this macro as a replacement for AC_DEFINE_UNQUOTED, each
+dnl one serves different functional needs.
+
+AC_DEFUN([CARES_DEFINE_UNQUOTED], [
+cat >>confdefs.h <<_EOF
+[@%:@define] $1 ifelse($#, 2, [$2], 1)
+_EOF
+])
+
+dnl CARES_CONFIGURE_ARES_SOCKLEN_T
+dnl -------------------------------------------------
+dnl Find out suitable ares_socklen_t data type definition and size, making
+dnl appropriate definitions for template file ares_build.h.in
+dnl to properly configure and use the library.
+dnl
+dnl The need for the ares_socklen_t definition arises mainly to properly
+dnl interface HP-UX systems which on one hand have a typedef'ed socklen_t
+dnl data type which is 32 or 64-Bit wide depending on the data model being
+dnl used, and that on the other hand is only actually used when interfacing
+dnl the X/Open sockets provided in the xnet library.
+
+AC_DEFUN([CARES_CONFIGURE_ARES_SOCKLEN_T], [
+  AC_REQUIRE([CARES_INCLUDES_WS2TCPIP])dnl
+  AC_REQUIRE([CARES_INCLUDES_SYS_SOCKET])dnl
+  AC_REQUIRE([CARES_PREPROCESS_CALLCONV])dnl
+  #
+  AC_MSG_CHECKING([for ares_socklen_t data type])
+  cares_typeof_ares_socklen_t="unknown"
+  for arg1 in int SOCKET; do
+    for arg2 in 'struct sockaddr' void; do
+      for t in socklen_t int size_t 'unsigned int' long 'unsigned long' void; do
+        if test "$cares_typeof_ares_socklen_t" = "unknown"; then
+          AC_COMPILE_IFELSE([
+            AC_LANG_PROGRAM([[
+              $cares_includes_ws2tcpip
+              $cares_includes_sys_socket
+              $cares_preprocess_callconv
+              extern int FUNCALLCONV getpeername($arg1, $arg2 *, $t *);
+            ]],[[
+              $t *lenptr = 0;
+              if(0 != getpeername(0, 0, lenptr))
+                return 1;
+            ]])
+          ],[
+            cares_typeof_ares_socklen_t="$t"
+          ])
+        fi
+      done
+    done
+  done
+  for t in socklen_t int; do
+    if test "$cares_typeof_ares_socklen_t" = "void"; then
+      AC_COMPILE_IFELSE([
+        AC_LANG_PROGRAM([[
+          $cares_includes_sys_socket
+          typedef $t ares_socklen_t;
+        ]],[[
+          ares_socklen_t dummy;
+        ]])
+      ],[
+        cares_typeof_ares_socklen_t="$t"
+      ])
+    fi
+  done
+  AC_MSG_RESULT([$cares_typeof_ares_socklen_t])
+  if test "$cares_typeof_ares_socklen_t" = "void" ||
+    test "$cares_typeof_ares_socklen_t" = "unknown"; then
+    AC_MSG_ERROR([cannot find data type for ares_socklen_t.])
+  fi
+  #
+  AC_MSG_CHECKING([size of ares_socklen_t])
+  cares_sizeof_ares_socklen_t="unknown"
+  cares_pull_headers_socklen_t="unknown"
+  if test "$ac_cv_header_ws2tcpip_h" = "yes"; then
+    tst_pull_header_checks='none ws2tcpip'
+    tst_size_checks='4'
+  else
+    tst_pull_header_checks='none systypes syssocket'
+    tst_size_checks='4 8 2'
+  fi
+  for tst_size in $tst_size_checks; do
+    for tst_pull_headers in $tst_pull_header_checks; do
+      if test "$cares_sizeof_ares_socklen_t" = "unknown"; then
+        case $tst_pull_headers in
+          ws2tcpip)
+            tmp_includes="$cares_includes_ws2tcpip"
+            ;;
+          systypes)
+            tmp_includes="$cares_includes_sys_types"
+            ;;
+          syssocket)
+            tmp_includes="$cares_includes_sys_socket"
+            ;;
+          *)
+            tmp_includes=""
+            ;;
+        esac
+        AC_COMPILE_IFELSE([
+          AC_LANG_PROGRAM([[
+            $tmp_includes
+            typedef $cares_typeof_ares_socklen_t ares_socklen_t;
+            typedef char dummy_arr[sizeof(ares_socklen_t) == $tst_size ? 1 : -1];
+          ]],[[
+            ares_socklen_t dummy;
+          ]])
+        ],[
+          cares_sizeof_ares_socklen_t="$tst_size"
+          cares_pull_headers_socklen_t="$tst_pull_headers"
+        ])
+      fi
+    done
+  done
+  AC_MSG_RESULT([$cares_sizeof_ares_socklen_t])
+  if test "$cares_sizeof_ares_socklen_t" = "unknown"; then
+    AC_MSG_ERROR([cannot find out size of ares_socklen_t.])
+  fi
+  #
+  case $cares_pull_headers_socklen_t in
+    ws2tcpip)
+      CARES_DEFINE_UNQUOTED([CARES_PULL_WS2TCPIP_H])
+      ;;
+    systypes)
+      CARES_DEFINE_UNQUOTED([CARES_PULL_SYS_TYPES_H])
+      ;;
+    syssocket)
+      CARES_DEFINE_UNQUOTED([CARES_PULL_SYS_TYPES_H])
+      CARES_DEFINE_UNQUOTED([CARES_PULL_SYS_SOCKET_H])
+      ;;
+  esac
+  CARES_DEFINE_UNQUOTED([CARES_TYPEOF_ARES_SOCKLEN_T], [$cares_typeof_ares_socklen_t])
+  CARES_DEFINE_UNQUOTED([CARES_SIZEOF_ARES_SOCKLEN_T], [$cares_sizeof_ares_socklen_t])
+])
+
+
+dnl This macro determines if the specified struct exists in the specified file
+dnl Syntax:
+dnl CARES_CHECK_STRUCT(headers, struct name, if found, [if not found])
+
+AC_DEFUN([CARES_CHECK_STRUCT], [
+  AC_MSG_CHECKING([for struct $2])
+  AC_TRY_COMPILE([$1],
+    [
+      struct $2 struct_instance;
+    ], ac_struct="yes", ac_found="no")
+  if test "$ac_struct" = "yes" ; then
+    AC_MSG_RESULT(yes)
+    $3
+  else
+    AC_MSG_RESULT(no)
+    $4
+  fi
+])
+
+dnl This macro determines if the specified constant exists in the specified file
+dnl Syntax:
+dnl CARES_CHECK_CONSTANT(headers, constant name, if found, [if not found])
+
+AC_DEFUN([CARES_CHECK_CONSTANT], [
+  AC_MSG_CHECKING([for $2])
+  AC_EGREP_CPP(VARIABLEWASDEFINED,
+   [
+      $1
+
+      #ifdef $2
+        VARIABLEWASDEFINED
+      #else
+        NJET
+      #endif
+    ], ac_constant="yes", ac_constant="no"
+  )
+  if test "$ac_constant" = "yes" ; then
+    AC_MSG_RESULT(yes)
+    $3
+  else
+    AC_MSG_RESULT(no)
+    $4
+  fi
+])
+
diff -Nru nodejs-12.22.5~dfsg/deps/cares/aclocal.m4 nodejs-12.22.12~dfsg/deps/cares/aclocal.m4
--- nodejs-12.22.5~dfsg/deps/cares/aclocal.m4	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/deps/cares/aclocal.m4	2022-04-05 07:16:59.000000000 +0000
@@ -0,0 +1,1211 @@
+# generated automatically by aclocal 1.16.5 -*- Autoconf -*-
+
+# Copyright (C) 1996-2021 Free Software Foundation, Inc.
+
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
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+m4_ifndef([AC_AUTOCONF_VERSION],
+  [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
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+
+# Copyright (C) 2002-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
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+# AM_AUX_DIR_EXPAND                                         -*- Autoconf -*-
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+# Copyright (C) 1999-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
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+
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+         >/dev/null 2>conftest.err &&
+       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
+       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
+      # icc doesn't choke on unknown options, it will just issue warnings
+      # or remarks (even with -Werror).  So we grep stderr for any message
+      # that says an option was ignored or not supported.
+      # When given -MP, icc 7.0 and 7.1 complain thusly:
+      #   icc: Command line warning: ignoring option '-M'; no argument required
+      # The diagnosis changed in icc 8.0:
+      #   icc: Command line remark: option '-MP' not supported
+      if (grep 'ignoring option' conftest.err ||
+          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
+        am_cv_$1_dependencies_compiler_type=$depmode
+        break
+      fi
+    fi
+  done
+
+  cd ..
+  rm -rf conftest.dir
+else
+  am_cv_$1_dependencies_compiler_type=none
+fi
+])
+AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
+AM_CONDITIONAL([am__fastdep$1], [
+  test "x$enable_dependency_tracking" != xno \
+  && test "$am_cv_$1_dependencies_compiler_type" = gcc3])
+])
+
+
+# AM_SET_DEPDIR
+# -------------
+# Choose a directory name for dependency files.
+# This macro is AC_REQUIREd in _AM_DEPENDENCIES.
+AC_DEFUN([AM_SET_DEPDIR],
+[AC_REQUIRE([AM_SET_LEADING_DOT])dnl
+AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
+])
+
+
+# AM_DEP_TRACK
+# ------------
+AC_DEFUN([AM_DEP_TRACK],
+[AC_ARG_ENABLE([dependency-tracking], [dnl
+AS_HELP_STRING(
+  [--enable-dependency-tracking],
+  [do not reject slow dependency extractors])
+AS_HELP_STRING(
+  [--disable-dependency-tracking],
+  [speeds up one-time build])])
+if test "x$enable_dependency_tracking" != xno; then
+  am_depcomp="$ac_aux_dir/depcomp"
+  AMDEPBACKSLASH='\'
+  am__nodep='_no'
+fi
+AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
+AC_SUBST([AMDEPBACKSLASH])dnl
+_AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
+AC_SUBST([am__nodep])dnl
+_AM_SUBST_NOTMAKE([am__nodep])dnl
+])
+
+# Generate code to set up dependency tracking.              -*- Autoconf -*-
+
+# Copyright (C) 1999-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# _AM_OUTPUT_DEPENDENCY_COMMANDS
+# ------------------------------
+AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
+[{
+  # Older Autoconf quotes --file arguments for eval, but not when files
+  # are listed without --file.  Let's play safe and only enable the eval
+  # if we detect the quoting.
+  # TODO: see whether this extra hack can be removed once we start
+  # requiring Autoconf 2.70 or later.
+  AS_CASE([$CONFIG_FILES],
+          [*\'*], [eval set x "$CONFIG_FILES"],
+          [*], [set x $CONFIG_FILES])
+  shift
+  # Used to flag and report bootstrapping failures.
+  am_rc=0
+  for am_mf
+  do
+    # Strip MF so we end up with the name of the file.
+    am_mf=`AS_ECHO(["$am_mf"]) | sed -e 's/:.*$//'`
+    # Check whether this is an Automake generated Makefile which includes
+    # dependency-tracking related rules and includes.
+    # Grep'ing the whole file directly is not great: AIX grep has a line
+    # limit of 2048, but all sed's we know have understand at least 4000.
+    sed -n 's,^am--depfiles:.*,X,p' "$am_mf" | grep X >/dev/null 2>&1 \
+      || continue
+    am_dirpart=`AS_DIRNAME(["$am_mf"])`
+    am_filepart=`AS_BASENAME(["$am_mf"])`
+    AM_RUN_LOG([cd "$am_dirpart" \
+      && sed -e '/# am--include-marker/d' "$am_filepart" \
+        | $MAKE -f - am--depfiles]) || am_rc=$?
+  done
+  if test $am_rc -ne 0; then
+    AC_MSG_FAILURE([Something went wrong bootstrapping makefile fragments
+    for automatic dependency tracking.  If GNU make was not used, consider
+    re-running the configure script with MAKE="gmake" (or whatever is
+    necessary).  You can also try re-running configure with the
+    '--disable-dependency-tracking' option to at least be able to build
+    the package (albeit without support for automatic dependency tracking).])
+  fi
+  AS_UNSET([am_dirpart])
+  AS_UNSET([am_filepart])
+  AS_UNSET([am_mf])
+  AS_UNSET([am_rc])
+  rm -f conftest-deps.mk
+}
+])# _AM_OUTPUT_DEPENDENCY_COMMANDS
+
+
+# AM_OUTPUT_DEPENDENCY_COMMANDS
+# -----------------------------
+# This macro should only be invoked once -- use via AC_REQUIRE.
+#
+# This code is only required when automatic dependency tracking is enabled.
+# This creates each '.Po' and '.Plo' makefile fragment that we'll need in
+# order to bootstrap the dependency handling code.
+AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
+[AC_CONFIG_COMMANDS([depfiles],
+     [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
+     [AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}"])])
+
+# Do all the work for Automake.                             -*- Autoconf -*-
+
+# Copyright (C) 1996-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This macro actually does too much.  Some checks are only needed if
+# your package does certain things.  But this isn't really a big deal.
+
+dnl Redefine AC_PROG_CC to automatically invoke _AM_PROG_CC_C_O.
+m4_define([AC_PROG_CC],
+m4_defn([AC_PROG_CC])
+[_AM_PROG_CC_C_O
+])
+
+# AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
+# AM_INIT_AUTOMAKE([OPTIONS])
+# -----------------------------------------------
+# The call with PACKAGE and VERSION arguments is the old style
+# call (pre autoconf-2.50), which is being phased out.  PACKAGE
+# and VERSION should now be passed to AC_INIT and removed from
+# the call to AM_INIT_AUTOMAKE.
+# We support both call styles for the transition.  After
+# the next Automake release, Autoconf can make the AC_INIT
+# arguments mandatory, and then we can depend on a new Autoconf
+# release and drop the old call support.
+AC_DEFUN([AM_INIT_AUTOMAKE],
+[AC_PREREQ([2.65])dnl
+m4_ifdef([_$0_ALREADY_INIT],
+  [m4_fatal([$0 expanded multiple times
+]m4_defn([_$0_ALREADY_INIT]))],
+  [m4_define([_$0_ALREADY_INIT], m4_expansion_stack)])dnl
+dnl Autoconf wants to disallow AM_ names.  We explicitly allow
+dnl the ones we care about.
+m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
+AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
+AC_REQUIRE([AC_PROG_INSTALL])dnl
+if test "`cd $srcdir && pwd`" != "`pwd`"; then
+  # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
+  # is not polluted with repeated "-I."
+  AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
+  # test to see if srcdir already configured
+  if test -f $srcdir/config.status; then
+    AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
+  fi
+fi
+
+# test whether we have cygpath
+if test -z "$CYGPATH_W"; then
+  if (cygpath --version) >/dev/null 2>/dev/null; then
+    CYGPATH_W='cygpath -w'
+  else
+    CYGPATH_W=echo
+  fi
+fi
+AC_SUBST([CYGPATH_W])
+
+# Define the identity of the package.
+dnl Distinguish between old-style and new-style calls.
+m4_ifval([$2],
+[AC_DIAGNOSE([obsolete],
+             [$0: two- and three-arguments forms are deprecated.])
+m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
+ AC_SUBST([PACKAGE], [$1])dnl
+ AC_SUBST([VERSION], [$2])],
+[_AM_SET_OPTIONS([$1])dnl
+dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
+m4_if(
+  m4_ifset([AC_PACKAGE_NAME], [ok]):m4_ifset([AC_PACKAGE_VERSION], [ok]),
+  [ok:ok],,
+  [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
+ AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
+ AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
+
+_AM_IF_OPTION([no-define],,
+[AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package])
+ AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl
+
+# Some tools Automake needs.
+AC_REQUIRE([AM_SANITY_CHECK])dnl
+AC_REQUIRE([AC_ARG_PROGRAM])dnl
+AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
+AM_MISSING_PROG([AUTOCONF], [autoconf])
+AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}])
+AM_MISSING_PROG([AUTOHEADER], [autoheader])
+AM_MISSING_PROG([MAKEINFO], [makeinfo])
+AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
+AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
+AC_REQUIRE([AC_PROG_MKDIR_P])dnl
+# For better backward compatibility.  To be removed once Automake 1.9.x
+# dies out for good.  For more background, see:
+# <https://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
+# <https://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
+AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
+# We need awk for the "check" target (and possibly the TAP driver).  The
+# system "awk" is bad on some platforms.
+AC_REQUIRE([AC_PROG_AWK])dnl
+AC_REQUIRE([AC_PROG_MAKE_SET])dnl
+AC_REQUIRE([AM_SET_LEADING_DOT])dnl
+_AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
+	      [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
+			     [_AM_PROG_TAR([v7])])])
+_AM_IF_OPTION([no-dependencies],,
+[AC_PROVIDE_IFELSE([AC_PROG_CC],
+		  [_AM_DEPENDENCIES([CC])],
+		  [m4_define([AC_PROG_CC],
+			     m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl
+AC_PROVIDE_IFELSE([AC_PROG_CXX],
+		  [_AM_DEPENDENCIES([CXX])],
+		  [m4_define([AC_PROG_CXX],
+			     m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl
+AC_PROVIDE_IFELSE([AC_PROG_OBJC],
+		  [_AM_DEPENDENCIES([OBJC])],
+		  [m4_define([AC_PROG_OBJC],
+			     m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
+AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
+		  [_AM_DEPENDENCIES([OBJCXX])],
+		  [m4_define([AC_PROG_OBJCXX],
+			     m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
+])
+# Variables for tags utilities; see am/tags.am
+if test -z "$CTAGS"; then
+  CTAGS=ctags
+fi
+AC_SUBST([CTAGS])
+if test -z "$ETAGS"; then
+  ETAGS=etags
+fi
+AC_SUBST([ETAGS])
+if test -z "$CSCOPE"; then
+  CSCOPE=cscope
+fi
+AC_SUBST([CSCOPE])
+
+AC_REQUIRE([AM_SILENT_RULES])dnl
+dnl The testsuite driver may need to know about EXEEXT, so add the
+dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen.  This
+dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below.
+AC_CONFIG_COMMANDS_PRE(dnl
+[m4_provide_if([_AM_COMPILER_EXEEXT],
+  [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
+
+# POSIX will say in a future version that running "rm -f" with no argument
+# is OK; and we want to be able to make that assumption in our Makefile
+# recipes.  So use an aggressive probe to check that the usage we want is
+# actually supported "in the wild" to an acceptable degree.
+# See automake bug#10828.
+# To make any issue more visible, cause the running configure to be aborted
+# by default if the 'rm' program in use doesn't match our expectations; the
+# user can still override this though.
+if rm -f && rm -fr && rm -rf; then : OK; else
+  cat >&2 <<'END'
+Oops!
+
+Your 'rm' program seems unable to run without file operands specified
+on the command line, even when the '-f' option is present.  This is contrary
+to the behaviour of most rm programs out there, and not conforming with
+the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
+
+Please tell bug-automake@gnu.org about your system, including the value
+of your $PATH and any error possibly output before this message.  This
+can help us improve future automake versions.
+
+END
+  if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
+    echo 'Configuration will proceed anyway, since you have set the' >&2
+    echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
+    echo >&2
+  else
+    cat >&2 <<'END'
+Aborting the configuration process, to ensure you take notice of the issue.
+
+You can download and install GNU coreutils to get an 'rm' implementation
+that behaves properly: <https://www.gnu.org/software/coreutils/>.
+
+If you want to complete the configuration process using your problematic
+'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
+to "yes", and re-run configure.
+
+END
+    AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
+  fi
+fi
+dnl The trailing newline in this macro's definition is deliberate, for
+dnl backward compatibility and to allow trailing 'dnl'-style comments
+dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841.
+])
+
+dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion.  Do not
+dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
+dnl mangled by Autoconf and run in a shell conditional statement.
+m4_define([_AC_COMPILER_EXEEXT],
+m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
+
+# When config.status generates a header, we must update the stamp-h file.
+# This file resides in the same directory as the config header
+# that is generated.  The stamp files are numbered to have different names.
+
+# Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
+# loop where config.status creates the headers, so we can generate
+# our stamp files there.
+AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
+[# Compute $1's index in $config_headers.
+_am_arg=$1
+_am_stamp_count=1
+for _am_header in $config_headers :; do
+  case $_am_header in
+    $_am_arg | $_am_arg:* )
+      break ;;
+    * )
+      _am_stamp_count=`expr $_am_stamp_count + 1` ;;
+  esac
+done
+echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
+
+# Copyright (C) 2001-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_PROG_INSTALL_SH
+# ------------------
+# Define $install_sh.
+AC_DEFUN([AM_PROG_INSTALL_SH],
+[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
+if test x"${install_sh+set}" != xset; then
+  case $am_aux_dir in
+  *\ * | *\	*)
+    install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
+  *)
+    install_sh="\${SHELL} $am_aux_dir/install-sh"
+  esac
+fi
+AC_SUBST([install_sh])])
+
+# Copyright (C) 2003-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# Check whether the underlying file-system supports filenames
+# with a leading dot.  For instance MS-DOS doesn't.
+AC_DEFUN([AM_SET_LEADING_DOT],
+[rm -rf .tst 2>/dev/null
+mkdir .tst 2>/dev/null
+if test -d .tst; then
+  am__leading_dot=.
+else
+  am__leading_dot=_
+fi
+rmdir .tst 2>/dev/null
+AC_SUBST([am__leading_dot])])
+
+# Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
+# From Jim Meyering
+
+# Copyright (C) 1996-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_MAINTAINER_MODE([DEFAULT-MODE])
+# ----------------------------------
+# Control maintainer-specific portions of Makefiles.
+# Default is to disable them, unless 'enable' is passed literally.
+# For symmetry, 'disable' may be passed as well.  Anyway, the user
+# can override the default with the --enable/--disable switch.
+AC_DEFUN([AM_MAINTAINER_MODE],
+[m4_case(m4_default([$1], [disable]),
+       [enable], [m4_define([am_maintainer_other], [disable])],
+       [disable], [m4_define([am_maintainer_other], [enable])],
+       [m4_define([am_maintainer_other], [enable])
+        m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
+AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
+  dnl maintainer-mode's default is 'disable' unless 'enable' is passed
+  AC_ARG_ENABLE([maintainer-mode],
+    [AS_HELP_STRING([--]am_maintainer_other[-maintainer-mode],
+      am_maintainer_other[ make rules and dependencies not useful
+      (and sometimes confusing) to the casual installer])],
+    [USE_MAINTAINER_MODE=$enableval],
+    [USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes]))
+  AC_MSG_RESULT([$USE_MAINTAINER_MODE])
+  AM_CONDITIONAL([MAINTAINER_MODE], [test $USE_MAINTAINER_MODE = yes])
+  MAINT=$MAINTAINER_MODE_TRUE
+  AC_SUBST([MAINT])dnl
+]
+)
+
+# Check to see how 'make' treats includes.	            -*- Autoconf -*-
+
+# Copyright (C) 2001-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_MAKE_INCLUDE()
+# -----------------
+# Check whether make has an 'include' directive that can support all
+# the idioms we need for our automatic dependency tracking code.
+AC_DEFUN([AM_MAKE_INCLUDE],
+[AC_MSG_CHECKING([whether ${MAKE-make} supports the include directive])
+cat > confinc.mk << 'END'
+am__doit:
+	@echo this is the am__doit target >confinc.out
+.PHONY: am__doit
+END
+am__include="#"
+am__quote=
+# BSD make does it like this.
+echo '.include "confinc.mk" # ignored' > confmf.BSD
+# Other make implementations (GNU, Solaris 10, AIX) do it like this.
+echo 'include confinc.mk # ignored' > confmf.GNU
+_am_result=no
+for s in GNU BSD; do
+  AM_RUN_LOG([${MAKE-make} -f confmf.$s && cat confinc.out])
+  AS_CASE([$?:`cat confinc.out 2>/dev/null`],
+      ['0:this is the am__doit target'],
+      [AS_CASE([$s],
+          [BSD], [am__include='.include' am__quote='"'],
+          [am__include='include' am__quote=''])])
+  if test "$am__include" != "#"; then
+    _am_result="yes ($s style)"
+    break
+  fi
+done
+rm -f confinc.* confmf.*
+AC_MSG_RESULT([${_am_result}])
+AC_SUBST([am__include])])
+AC_SUBST([am__quote])])
+
+# Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
+
+# Copyright (C) 1997-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_MISSING_PROG(NAME, PROGRAM)
+# ------------------------------
+AC_DEFUN([AM_MISSING_PROG],
+[AC_REQUIRE([AM_MISSING_HAS_RUN])
+$1=${$1-"${am_missing_run}$2"}
+AC_SUBST($1)])
+
+# AM_MISSING_HAS_RUN
+# ------------------
+# Define MISSING if not defined so far and test if it is modern enough.
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+AC_DEFUN([AM_MISSING_HAS_RUN],
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+AC_REQUIRE_AUX_FILE([missing])dnl
+if test x"${MISSING+set}" != xset; then
+  MISSING="\${SHELL} '$am_aux_dir/missing'"
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+# Use eval to expand $SHELL
+if eval "$MISSING --is-lightweight"; then
+  am_missing_run="$MISSING "
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+  am_missing_run=
+  AC_MSG_WARN(['missing' script is too old or missing])
+fi
+])
+
+# Helper functions for option handling.                     -*- Autoconf -*-
+
+# Copyright (C) 2001-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# _AM_MANGLE_OPTION(NAME)
+# -----------------------
+AC_DEFUN([_AM_MANGLE_OPTION],
+[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
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+# _AM_SET_OPTION(NAME)
+# --------------------
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+AC_DEFUN([_AM_IF_OPTION],
+[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
+
+# Copyright (C) 1999-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# _AM_PROG_CC_C_O
+# ---------------
+# Like AC_PROG_CC_C_O, but changed for automake.  We rewrite AC_PROG_CC
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+AC_DEFUN([_AM_PROG_CC_C_O],
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+AC_CACHE_CHECK(
+  [whether $CC understands -c and -o together],
+  [am_cv_prog_cc_c_o],
+  [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
+  # Make sure it works both with $CC and with simple cc.
+  # Following AC_PROG_CC_C_O, we do the test twice because some
+  # compilers refuse to overwrite an existing .o file with -o,
+  # though they will create one.
+  am_cv_prog_cc_c_o=yes
+  for am_i in 1 2; do
+    if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
+         && test -f conftest2.$ac_objext; then
+      : OK
+    else
+      am_cv_prog_cc_c_o=no
+      break
+    fi
+  done
+  rm -f core conftest*
+  unset am_i])
+if test "$am_cv_prog_cc_c_o" != yes; then
+   # Losing compiler, so override with the script.
+   # FIXME: It is wrong to rewrite CC.
+   # But if we don't then we get into trouble of one sort or another.
+   # A longer-term fix would be to have automake use am__CC in this case,
+   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
+   CC="$am_aux_dir/compile $CC"
+fi
+AC_LANG_POP([C])])
+
+# For backward compatibility.
+AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
+
+# Copyright (C) 2001-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_RUN_LOG(COMMAND)
+# -------------------
+# Run COMMAND, save the exit status in ac_status, and log it.
+# (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
+AC_DEFUN([AM_RUN_LOG],
+[{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
+   ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
+   (exit $ac_status); }])
+
+# Check to make sure that the build environment is sane.    -*- Autoconf -*-
+
+# Copyright (C) 1996-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_SANITY_CHECK
+# ---------------
+AC_DEFUN([AM_SANITY_CHECK],
+[AC_MSG_CHECKING([whether build environment is sane])
+# Reject unsafe characters in $srcdir or the absolute working directory
+# name.  Accept space and tab only in the latter.
+am_lf='
+'
+case `pwd` in
+  *[[\\\"\#\$\&\'\`$am_lf]]*)
+    AC_MSG_ERROR([unsafe absolute working directory name]);;
+esac
+case $srcdir in
+  *[[\\\"\#\$\&\'\`$am_lf\ \	]]*)
+    AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
+esac
+
+# Do 'set' in a subshell so we don't clobber the current shell's
+# arguments.  Must try -L first in case configure is actually a
+# symlink; some systems play weird games with the mod time of symlinks
+# (eg FreeBSD returns the mod time of the symlink's containing
+# directory).
+if (
+   am_has_slept=no
+   for am_try in 1 2; do
+     echo "timestamp, slept: $am_has_slept" > conftest.file
+     set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
+     if test "$[*]" = "X"; then
+	# -L didn't work.
+	set X `ls -t "$srcdir/configure" conftest.file`
+     fi
+     if test "$[*]" != "X $srcdir/configure conftest.file" \
+	&& test "$[*]" != "X conftest.file $srcdir/configure"; then
+
+	# If neither matched, then we have a broken ls.  This can happen
+	# if, for instance, CONFIG_SHELL is bash and it inherits a
+	# broken ls alias from the environment.  This has actually
+	# happened.  Such a system could not be considered "sane".
+	AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
+  alias in your environment])
+     fi
+     if test "$[2]" = conftest.file || test $am_try -eq 2; then
+       break
+     fi
+     # Just in case.
+     sleep 1
+     am_has_slept=yes
+   done
+   test "$[2]" = conftest.file
+   )
+then
+   # Ok.
+   :
+else
+   AC_MSG_ERROR([newly created file is older than distributed files!
+Check your system clock])
+fi
+AC_MSG_RESULT([yes])
+# If we didn't sleep, we still need to ensure time stamps of config.status and
+# generated files are strictly newer.
+am_sleep_pid=
+if grep 'slept: no' conftest.file >/dev/null 2>&1; then
+  ( sleep 1 ) &
+  am_sleep_pid=$!
+fi
+AC_CONFIG_COMMANDS_PRE(
+  [AC_MSG_CHECKING([that generated files are newer than configure])
+   if test -n "$am_sleep_pid"; then
+     # Hide warnings about reused PIDs.
+     wait $am_sleep_pid 2>/dev/null
+   fi
+   AC_MSG_RESULT([done])])
+rm -f conftest.file
+])
+
+# Copyright (C) 2009-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_SILENT_RULES([DEFAULT])
+# --------------------------
+# Enable less verbose build rules; with the default set to DEFAULT
+# ("yes" being less verbose, "no" or empty being verbose).
+AC_DEFUN([AM_SILENT_RULES],
+[AC_ARG_ENABLE([silent-rules], [dnl
+AS_HELP_STRING(
+  [--enable-silent-rules],
+  [less verbose build output (undo: "make V=1")])
+AS_HELP_STRING(
+  [--disable-silent-rules],
+  [verbose build output (undo: "make V=0")])dnl
+])
+case $enable_silent_rules in @%:@ (((
+  yes) AM_DEFAULT_VERBOSITY=0;;
+   no) AM_DEFAULT_VERBOSITY=1;;
+    *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
+esac
+dnl
+dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
+dnl do not support nested variable expansions.
+dnl See automake bug#9928 and bug#10237.
+am_make=${MAKE-make}
+AC_CACHE_CHECK([whether $am_make supports nested variables],
+   [am_cv_make_support_nested_variables],
+   [if AS_ECHO([['TRUE=$(BAR$(V))
+BAR0=false
+BAR1=true
+V=1
+am__doit:
+	@$(TRUE)
+.PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
+  am_cv_make_support_nested_variables=yes
+else
+  am_cv_make_support_nested_variables=no
+fi])
+if test $am_cv_make_support_nested_variables = yes; then
+  dnl Using '$V' instead of '$(V)' breaks IRIX make.
+  AM_V='$(V)'
+  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
+else
+  AM_V=$AM_DEFAULT_VERBOSITY
+  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
+fi
+AC_SUBST([AM_V])dnl
+AM_SUBST_NOTMAKE([AM_V])dnl
+AC_SUBST([AM_DEFAULT_V])dnl
+AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
+AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
+AM_BACKSLASH='\'
+AC_SUBST([AM_BACKSLASH])dnl
+_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
+])
+
+# Copyright (C) 2001-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_PROG_INSTALL_STRIP
+# ---------------------
+# One issue with vendor 'install' (even GNU) is that you can't
+# specify the program used to strip binaries.  This is especially
+# annoying in cross-compiling environments, where the build's strip
+# is unlikely to handle the host's binaries.
+# Fortunately install-sh will honor a STRIPPROG variable, so we
+# always use install-sh in "make install-strip", and initialize
+# STRIPPROG with the value of the STRIP variable (set by the user).
+AC_DEFUN([AM_PROG_INSTALL_STRIP],
+[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
+# Installed binaries are usually stripped using 'strip' when the user
+# run "make install-strip".  However 'strip' might not be the right
+# tool to use in cross-compilation environments, therefore Automake
+# will honor the 'STRIP' environment variable to overrule this program.
+dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
+if test "$cross_compiling" != no; then
+  AC_CHECK_TOOL([STRIP], [strip], :)
+fi
+INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
+AC_SUBST([INSTALL_STRIP_PROGRAM])])
+
+# Copyright (C) 2006-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# _AM_SUBST_NOTMAKE(VARIABLE)
+# ---------------------------
+# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
+# This macro is traced by Automake.
+AC_DEFUN([_AM_SUBST_NOTMAKE])
+
+# AM_SUBST_NOTMAKE(VARIABLE)
+# --------------------------
+# Public sister of _AM_SUBST_NOTMAKE.
+AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
+
+# Check how to create a tarball.                            -*- Autoconf -*-
+
+# Copyright (C) 2004-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# _AM_PROG_TAR(FORMAT)
+# --------------------
+# Check how to create a tarball in format FORMAT.
+# FORMAT should be one of 'v7', 'ustar', or 'pax'.
+#
+# Substitute a variable $(am__tar) that is a command
+# writing to stdout a FORMAT-tarball containing the directory
+# $tardir.
+#     tardir=directory && $(am__tar) > result.tar
+#
+# Substitute a variable $(am__untar) that extract such
+# a tarball read from stdin.
+#     $(am__untar) < result.tar
+#
+AC_DEFUN([_AM_PROG_TAR],
+[# Always define AMTAR for backward compatibility.  Yes, it's still used
+# in the wild :-(  We should find a proper way to deprecate it ...
+AC_SUBST([AMTAR], ['$${TAR-tar}'])
+
+# We'll loop over all known methods to create a tar archive until one works.
+_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
+
+m4_if([$1], [v7],
+  [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
+
+  [m4_case([$1],
+    [ustar],
+     [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
+      # There is notably a 21 bits limit for the UID and the GID.  In fact,
+      # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
+      # and bug#13588).
+      am_max_uid=2097151 # 2^21 - 1
+      am_max_gid=$am_max_uid
+      # The $UID and $GID variables are not portable, so we need to resort
+      # to the POSIX-mandated id(1) utility.  Errors in the 'id' calls
+      # below are definitely unexpected, so allow the users to see them
+      # (that is, avoid stderr redirection).
+      am_uid=`id -u || echo unknown`
+      am_gid=`id -g || echo unknown`
+      AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
+      if test $am_uid -le $am_max_uid; then
+         AC_MSG_RESULT([yes])
+      else
+         AC_MSG_RESULT([no])
+         _am_tools=none
+      fi
+      AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
+      if test $am_gid -le $am_max_gid; then
+         AC_MSG_RESULT([yes])
+      else
+        AC_MSG_RESULT([no])
+        _am_tools=none
+      fi],
+
+  [pax],
+    [],
+
+  [m4_fatal([Unknown tar format])])
+
+  AC_MSG_CHECKING([how to create a $1 tar archive])
+
+  # Go ahead even if we have the value already cached.  We do so because we
+  # need to set the values for the 'am__tar' and 'am__untar' variables.
+  _am_tools=${am_cv_prog_tar_$1-$_am_tools}
+
+  for _am_tool in $_am_tools; do
+    case $_am_tool in
+    gnutar)
+      for _am_tar in tar gnutar gtar; do
+        AM_RUN_LOG([$_am_tar --version]) && break
+      done
+      am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
+      am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
+      am__untar="$_am_tar -xf -"
+      ;;
+    plaintar)
+      # Must skip GNU tar: if it does not support --format= it doesn't create
+      # ustar tarball either.
+      (tar --version) >/dev/null 2>&1 && continue
+      am__tar='tar chf - "$$tardir"'
+      am__tar_='tar chf - "$tardir"'
+      am__untar='tar xf -'
+      ;;
+    pax)
+      am__tar='pax -L -x $1 -w "$$tardir"'
+      am__tar_='pax -L -x $1 -w "$tardir"'
+      am__untar='pax -r'
+      ;;
+    cpio)
+      am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
+      am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
+      am__untar='cpio -i -H $1 -d'
+      ;;
+    none)
+      am__tar=false
+      am__tar_=false
+      am__untar=false
+      ;;
+    esac
+
+    # If the value was cached, stop now.  We just wanted to have am__tar
+    # and am__untar set.
+    test -n "${am_cv_prog_tar_$1}" && break
+
+    # tar/untar a dummy directory, and stop if the command works.
+    rm -rf conftest.dir
+    mkdir conftest.dir
+    echo GrepMe > conftest.dir/file
+    AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
+    rm -rf conftest.dir
+    if test -s conftest.tar; then
+      AM_RUN_LOG([$am__untar <conftest.tar])
+      AM_RUN_LOG([cat conftest.dir/file])
+      grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
+    fi
+  done
+  rm -rf conftest.dir
+
+  AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
+  AC_MSG_RESULT([$am_cv_prog_tar_$1])])
+
+AC_SUBST([am__tar])
+AC_SUBST([am__untar])
+]) # _AM_PROG_TAR
+
+m4_include([m4/ax_ac_append_to_file.m4])
+m4_include([m4/ax_ac_print_to_file.m4])
+m4_include([m4/ax_add_am_macro_static.m4])
+m4_include([m4/ax_am_macros_static.m4])
+m4_include([m4/ax_check_gnu_make.m4])
+m4_include([m4/ax_code_coverage.m4])
+m4_include([m4/ax_cxx_compile_stdcxx_11.m4])
+m4_include([m4/ax_file_escapes.m4])
+m4_include([m4/ax_require_defined.m4])
+m4_include([m4/cares-compilers.m4])
+m4_include([m4/cares-confopts.m4])
+m4_include([m4/cares-functions.m4])
+m4_include([m4/cares-reentrant.m4])
+m4_include([m4/libtool.m4])
+m4_include([m4/ltoptions.m4])
+m4_include([m4/ltsugar.m4])
+m4_include([m4/ltversion.m4])
+m4_include([m4/lt~obsolete.m4])
+m4_include([m4/xc-am-iface.m4])
+m4_include([m4/xc-cc-check.m4])
+m4_include([m4/xc-lt-iface.m4])
+m4_include([m4/xc-translit.m4])
+m4_include([m4/xc-val-flgs.m4])
+m4_include([m4/zz40-xc-ovr.m4])
+m4_include([acinclude.m4])
diff -Nru nodejs-12.22.5~dfsg/deps/cares/aminclude_static.am nodejs-12.22.12~dfsg/deps/cares/aminclude_static.am
--- nodejs-12.22.5~dfsg/deps/cares/aminclude_static.am	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/deps/cares/aminclude_static.am	2022-04-05 07:16:59.000000000 +0000
@@ -0,0 +1,126 @@
+
+# aminclude_static.am generated automatically by Autoconf
+# from AX_AM_MACROS_STATIC on Wed Oct 27 08:06:13 CEST 2021
+
+
+# Code coverage
+#
+# Optional:
+#  - CODE_COVERAGE_DIRECTORY: Top-level directory for code coverage reporting.
+#    Multiple directories may be specified, separated by whitespace.
+#    (Default: $(top_builddir))
+#  - CODE_COVERAGE_OUTPUT_FILE: Filename and path for the .info file generated
+#    by lcov for code coverage. (Default:
+#    $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage.info)
+#  - CODE_COVERAGE_OUTPUT_DIRECTORY: Directory for generated code coverage
+#    reports to be created. (Default:
+#    $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage)
+#  - CODE_COVERAGE_BRANCH_COVERAGE: Set to 1 to enforce branch coverage,
+#    set to 0 to disable it and leave empty to stay with the default.
+#    (Default: empty)
+#  - CODE_COVERAGE_LCOV_SHOPTS_DEFAULT: Extra options shared between both lcov
+#    instances. (Default: based on )
+#  - CODE_COVERAGE_LCOV_SHOPTS: Extra options to shared between both lcov
+#    instances. (Default: )
+#  - CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH: --gcov-tool pathtogcov
+#  - CODE_COVERAGE_LCOV_OPTIONS_DEFAULT: Extra options to pass to the
+#    collecting lcov instance. (Default: )
+#  - CODE_COVERAGE_LCOV_OPTIONS: Extra options to pass to the collecting lcov
+#    instance. (Default: )
+#  - CODE_COVERAGE_LCOV_RMOPTS_DEFAULT: Extra options to pass to the filtering
+#    lcov instance. (Default: empty)
+#  - CODE_COVERAGE_LCOV_RMOPTS: Extra options to pass to the filtering lcov
+#    instance. (Default: )
+#  - CODE_COVERAGE_GENHTML_OPTIONS_DEFAULT: Extra options to pass to the
+#    genhtml instance. (Default: based on )
+#  - CODE_COVERAGE_GENHTML_OPTIONS: Extra options to pass to the genhtml
+#    instance. (Default: )
+#  - CODE_COVERAGE_IGNORE_PATTERN: Extra glob pattern of files to ignore
+#
+# The generated report will be titled using the $(PACKAGE_NAME) and
+# $(PACKAGE_VERSION). In order to add the current git hash to the title,
+# use the git-version-gen script, available online.
+# Optional variables
+# run only on top dir
+if CODE_COVERAGE_ENABLED
+ ifeq ($(abs_builddir), $(abs_top_builddir))
+CODE_COVERAGE_DIRECTORY ?= $(top_builddir)
+CODE_COVERAGE_OUTPUT_FILE ?= $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage.info
+CODE_COVERAGE_OUTPUT_DIRECTORY ?= $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage
+
+CODE_COVERAGE_BRANCH_COVERAGE ?=
+CODE_COVERAGE_LCOV_SHOPTS_DEFAULT ?= $(if $(CODE_COVERAGE_BRANCH_COVERAGE),--rc lcov_branch_coverage=$(CODE_COVERAGE_BRANCH_COVERAGE))
+CODE_COVERAGE_LCOV_SHOPTS ?= $(CODE_COVERAGE_LCOV_SHOPTS_DEFAULT)
+CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH ?= --gcov-tool "$(GCOV)"
+CODE_COVERAGE_LCOV_OPTIONS_DEFAULT ?= $(CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH)
+CODE_COVERAGE_LCOV_OPTIONS ?= $(CODE_COVERAGE_LCOV_OPTIONS_DEFAULT)
+CODE_COVERAGE_LCOV_RMOPTS_DEFAULT ?=
+CODE_COVERAGE_LCOV_RMOPTS ?= $(CODE_COVERAGE_LCOV_RMOPTS_DEFAULT)
+CODE_COVERAGE_GENHTML_OPTIONS_DEFAULT ?=$(if $(CODE_COVERAGE_BRANCH_COVERAGE),--rc genhtml_branch_coverage=$(CODE_COVERAGE_BRANCH_COVERAGE))
+CODE_COVERAGE_GENHTML_OPTIONS ?= $(CODE_COVERAGE_GENHTML_OPTIONS_DEFAULT)
+CODE_COVERAGE_IGNORE_PATTERN ?=
+
+GITIGNOREFILES := $(GITIGNOREFILES) $(CODE_COVERAGE_OUTPUT_FILE) $(CODE_COVERAGE_OUTPUT_DIRECTORY)
+code_coverage_v_lcov_cap = $(code_coverage_v_lcov_cap_$(V))
+code_coverage_v_lcov_cap_ = $(code_coverage_v_lcov_cap_$(AM_DEFAULT_VERBOSITY))
+code_coverage_v_lcov_cap_0 = @echo "  LCOV   --capture" $(CODE_COVERAGE_OUTPUT_FILE);
+code_coverage_v_lcov_ign = $(code_coverage_v_lcov_ign_$(V))
+code_coverage_v_lcov_ign_ = $(code_coverage_v_lcov_ign_$(AM_DEFAULT_VERBOSITY))
+code_coverage_v_lcov_ign_0 = @echo "  LCOV   --remove /tmp/*" $(CODE_COVERAGE_IGNORE_PATTERN);
+code_coverage_v_genhtml = $(code_coverage_v_genhtml_$(V))
+code_coverage_v_genhtml_ = $(code_coverage_v_genhtml_$(AM_DEFAULT_VERBOSITY))
+code_coverage_v_genhtml_0 = @echo "  GEN   " "$(CODE_COVERAGE_OUTPUT_DIRECTORY)";
+code_coverage_quiet = $(code_coverage_quiet_$(V))
+code_coverage_quiet_ = $(code_coverage_quiet_$(AM_DEFAULT_VERBOSITY))
+code_coverage_quiet_0 = --quiet
+
+# sanitizes the test-name: replaces with underscores: dashes and dots
+code_coverage_sanitize = $(subst -,_,$(subst .,_,$(1)))
+
+# Use recursive makes in order to ignore errors during check
+check-code-coverage:
+	-$(AM_V_at)$(MAKE) $(AM_MAKEFLAGS) -k check
+	$(AM_V_at)$(MAKE) $(AM_MAKEFLAGS) code-coverage-capture
+
+# Capture code coverage data
+code-coverage-capture: code-coverage-capture-hook
+	$(code_coverage_v_lcov_cap)$(LCOV) $(code_coverage_quiet) $(addprefix --directory ,$(CODE_COVERAGE_DIRECTORY)) --capture --output-file "$(CODE_COVERAGE_OUTPUT_FILE).tmp" --test-name "$(call code_coverage_sanitize,$(PACKAGE_NAME)-$(PACKAGE_VERSION))" --no-checksum --compat-libtool $(CODE_COVERAGE_LCOV_SHOPTS) $(CODE_COVERAGE_LCOV_OPTIONS)
+	$(code_coverage_v_lcov_ign)$(LCOV) $(code_coverage_quiet) $(addprefix --directory ,$(CODE_COVERAGE_DIRECTORY)) --remove "$(CODE_COVERAGE_OUTPUT_FILE).tmp" "/tmp/*" $(CODE_COVERAGE_IGNORE_PATTERN) --output-file "$(CODE_COVERAGE_OUTPUT_FILE)" $(CODE_COVERAGE_LCOV_SHOPTS) $(CODE_COVERAGE_LCOV_RMOPTS)
+	-@rm -f "$(CODE_COVERAGE_OUTPUT_FILE).tmp"
+	$(code_coverage_v_genhtml)LANG=C $(GENHTML) $(code_coverage_quiet) $(addprefix --prefix ,$(CODE_COVERAGE_DIRECTORY)) --output-directory "$(CODE_COVERAGE_OUTPUT_DIRECTORY)" --title "$(PACKAGE_NAME)-$(PACKAGE_VERSION) Code Coverage" --legend --show-details "$(CODE_COVERAGE_OUTPUT_FILE)" $(CODE_COVERAGE_GENHTML_OPTIONS)
+	@echo "file://$(abs_builddir)/$(CODE_COVERAGE_OUTPUT_DIRECTORY)/index.html"
+
+code-coverage-clean:
+	-$(LCOV) --directory $(top_builddir) -z
+	-rm -rf "$(CODE_COVERAGE_OUTPUT_FILE)" "$(CODE_COVERAGE_OUTPUT_FILE).tmp" "$(CODE_COVERAGE_OUTPUT_DIRECTORY)"
+	-find . \( -name "*.gcda" -o -name "*.gcno" -o -name "*.gcov" \) -delete
+
+code-coverage-dist-clean:
+
+AM_DISTCHECK_CONFIGURE_FLAGS := $(AM_DISTCHECK_CONFIGURE_FLAGS) --disable-code-coverage
+ else # ifneq ($(abs_builddir), $(abs_top_builddir))
+check-code-coverage:
+
+code-coverage-capture: code-coverage-capture-hook
+
+code-coverage-clean:
+
+code-coverage-dist-clean:
+ endif # ifeq ($(abs_builddir), $(abs_top_builddir))
+else #! CODE_COVERAGE_ENABLED
+# Use recursive makes in order to ignore errors during check
+check-code-coverage:
+	@echo "Need to reconfigure with --enable-code-coverage"
+# Capture code coverage data
+code-coverage-capture: code-coverage-capture-hook
+	@echo "Need to reconfigure with --enable-code-coverage"
+
+code-coverage-clean:
+
+code-coverage-dist-clean:
+
+endif #CODE_COVERAGE_ENABLED
+# Hook rule executed before code-coverage-capture, overridable by the user
+code-coverage-capture-hook:
+
+.PHONY: check-code-coverage code-coverage-capture code-coverage-dist-clean code-coverage-clean code-coverage-capture-hook
diff -Nru nodejs-12.22.5~dfsg/deps/cares/buildconf nodejs-12.22.12~dfsg/deps/cares/buildconf
--- nodejs-12.22.5~dfsg/deps/cares/buildconf	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/deps/cares/buildconf	2022-04-05 07:16:59.000000000 +0000
@@ -0,0 +1,4 @@
+#!/bin/sh
+
+echo "*** Do not use buildconf. Instead, just use: autoreconf -fi" >&2
+exec ${AUTORECONF:-autoreconf} -fi "${@}"
diff -Nru nodejs-12.22.5~dfsg/deps/cares/buildconf.bat nodejs-12.22.12~dfsg/deps/cares/buildconf.bat
--- nodejs-12.22.5~dfsg/deps/cares/buildconf.bat	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/deps/cares/buildconf.bat	2022-04-05 07:16:59.000000000 +0000
@@ -0,0 +1,20 @@
+@echo off
+REM
+REM
+REM This batch file must be used to set up a git tree to build on
+REM systems where there is no autotools support (i.e. Microsoft).
+REM
+REM This file is not included nor needed for c-ares' release
+REM archives, neither for c-ares' daily snapshot archives.
+
+if exist GIT-INFO goto start_doing
+ECHO ERROR: This file shall only be used with a c-ares git checkout.
+goto end_all
+:start_doing
+
+if not exist include\ares_build.h.dist goto end_ares_build_h
+copy /Y include\ares_build.h.dist include\ares_build.h
+:end_ares_build_h
+
+:end_all
+
diff -Nru nodejs-12.22.5~dfsg/deps/cares/c-ares-config.cmake.in nodejs-12.22.12~dfsg/deps/cares/c-ares-config.cmake.in
--- nodejs-12.22.5~dfsg/deps/cares/c-ares-config.cmake.in	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/deps/cares/c-ares-config.cmake.in	2022-04-05 07:16:59.000000000 +0000
@@ -0,0 +1,21 @@
+@PACKAGE_INIT@
+
+set_and_check(c-ares_INCLUDE_DIR "@PACKAGE_CMAKE_INSTALL_INCLUDEDIR@")
+
+include("${CMAKE_CURRENT_LIST_DIR}/c-ares-config-version.cmake")
+include("${CMAKE_CURRENT_LIST_DIR}/c-ares-targets.cmake")
+
+set(c-ares_LIBRARY c-ares::cares)
+
+if(@CARES_SHARED@)
+	add_library(c-ares::cares_shared INTERFACE IMPORTED)
+	set_target_properties(c-ares::cares_shared PROPERTIES INTERFACE_LINK_LIBRARIES "c-ares::cares")
+	set(c-ares_SHARED_LIBRARY c-ares::cares_shared)
+elseif(@CARES_STATIC@)
+	add_library(c-ares::cares_static INTERFACE IMPORTED)
+	set_target_properties(c-ares::cares_static PROPERTIES INTERFACE_LINK_LIBRARIES "c-ares::cares")
+endif()
+
+if(@CARES_STATIC@)
+	set(c-ares_STATIC_LIBRARY c-ares::cares_static)
+endif()
diff -Nru nodejs-12.22.5~dfsg/deps/cares/cares.gyp nodejs-12.22.12~dfsg/deps/cares/cares.gyp
--- nodejs-12.22.5~dfsg/deps/cares/cares.gyp	2021-08-11 01:39:06.000000000 +0000
+++ nodejs-12.22.12~dfsg/deps/cares/cares.gyp	2022-04-05 07:16:59.000000000 +0000
@@ -30,15 +30,18 @@
     {
       'target_name': 'cares',
       'type': '<(library)',
-      'include_dirs': [ 'include', 'src/lib' ],
+      'include_dirs': [ 'include' ],
       'direct_dependent_settings': {
-        'include_dirs': [ 'include', 'src/lib' ]
+        'include_dirs': [ 'include' ]
       },
       'sources': [
         'include/ares.h',
         'include/ares_dns.h',
+        'include/ares_nameser.h',
         'include/ares_rules.h',
         'include/ares_version.h',
+        'src/lib/ares__addrinfo2hostent.c',
+        'src/lib/ares__addrinfo_localhost.c',
         'src/lib/ares_android.c',
         'src/lib/ares_cancel.c',
         'src/lib/ares__close_sockets.c',
@@ -66,7 +69,6 @@
         'src/lib/ares_llist.c',
         'src/lib/ares_llist.h',
         'src/lib/ares_mkquery.c',
-        'src/lib/ares_nameser.h',
         'src/lib/ares_nowarn.c',
         'src/lib/ares_nowarn.h',
         'src/lib/ares_options.c',
@@ -81,6 +83,7 @@
         'src/lib/ares_parse_soa_reply.c',
         'src/lib/ares_parse_srv_reply.c',
         'src/lib/ares_parse_txt_reply.c',
+        'src/lib/ares_parse_uri_reply.c',
         'src/lib/ares_platform.h',
         'src/lib/ares_private.h',
         'src/lib/ares_process.c',
diff -Nru nodejs-12.22.5~dfsg/deps/cares/compile nodejs-12.22.12~dfsg/deps/cares/compile
--- nodejs-12.22.5~dfsg/deps/cares/compile	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/deps/cares/compile	2022-04-05 07:16:59.000000000 +0000
@@ -0,0 +1,348 @@
+#! /bin/sh
+# Wrapper for compilers which do not understand '-c -o'.
+
+scriptversion=2018-03-07.03; # UTC
+
+# Copyright (C) 1999-2021 Free Software Foundation, Inc.
+# Written by Tom Tromey <tromey@cygnus.com>.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# This file is maintained in Automake, please report
+# bugs to <bug-automake@gnu.org> or send patches to
+# <automake-patches@gnu.org>.
+
+nl='
+'
+
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent tools from complaining about whitespace usage.
+IFS=" ""	$nl"
+
+file_conv=
+
+# func_file_conv build_file lazy
+# Convert a $build file to $host form and store it in $file
+# Currently only supports Windows hosts. If the determined conversion
+# type is listed in (the comma separated) LAZY, no conversion will
+# take place.
+func_file_conv ()
+{
+  file=$1
+  case $file in
+    / | /[!/]*) # absolute file, and not a UNC file
+      if test -z "$file_conv"; then
+	# lazily determine how to convert abs files
+	case `uname -s` in
+	  MINGW*)
+	    file_conv=mingw
+	    ;;
+	  CYGWIN* | MSYS*)
+	    file_conv=cygwin
+	    ;;
+	  *)
+	    file_conv=wine
+	    ;;
+	esac
+      fi
+      case $file_conv/,$2, in
+	*,$file_conv,*)
+	  ;;
+	mingw/*)
+	  file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`
+	  ;;
+	cygwin/* | msys/*)
+	  file=`cygpath -m "$file" || echo "$file"`
+	  ;;
+	wine/*)
+	  file=`winepath -w "$file" || echo "$file"`
+	  ;;
+      esac
+      ;;
+  esac
+}
+
+# func_cl_dashL linkdir
+# Make cl look for libraries in LINKDIR
+func_cl_dashL ()
+{
+  func_file_conv "$1"
+  if test -z "$lib_path"; then
+    lib_path=$file
+  else
+    lib_path="$lib_path;$file"
+  fi
+  linker_opts="$linker_opts -LIBPATH:$file"
+}
+
+# func_cl_dashl library
+# Do a library search-path lookup for cl
+func_cl_dashl ()
+{
+  lib=$1
+  found=no
+  save_IFS=$IFS
+  IFS=';'
+  for dir in $lib_path $LIB
+  do
+    IFS=$save_IFS
+    if $shared && test -f "$dir/$lib.dll.lib"; then
+      found=yes
+      lib=$dir/$lib.dll.lib
+      break
+    fi
+    if test -f "$dir/$lib.lib"; then
+      found=yes
+      lib=$dir/$lib.lib
+      break
+    fi
+    if test -f "$dir/lib$lib.a"; then
+      found=yes
+      lib=$dir/lib$lib.a
+      break
+    fi
+  done
+  IFS=$save_IFS
+
+  if test "$found" != yes; then
+    lib=$lib.lib
+  fi
+}
+
+# func_cl_wrapper cl arg...
+# Adjust compile command to suit cl
+func_cl_wrapper ()
+{
+  # Assume a capable shell
+  lib_path=
+  shared=:
+  linker_opts=
+  for arg
+  do
+    if test -n "$eat"; then
+      eat=
+    else
+      case $1 in
+	-o)
+	  # configure might choose to run compile as 'compile cc -o foo foo.c'.
+	  eat=1
+	  case $2 in
+	    *.o | *.[oO][bB][jJ])
+	      func_file_conv "$2"
+	      set x "$@" -Fo"$file"
+	      shift
+	      ;;
+	    *)
+	      func_file_conv "$2"
+	      set x "$@" -Fe"$file"
+	      shift
+	      ;;
+	  esac
+	  ;;
+	-I)
+	  eat=1
+	  func_file_conv "$2" mingw
+	  set x "$@" -I"$file"
+	  shift
+	  ;;
+	-I*)
+	  func_file_conv "${1#-I}" mingw
+	  set x "$@" -I"$file"
+	  shift
+	  ;;
+	-l)
+	  eat=1
+	  func_cl_dashl "$2"
+	  set x "$@" "$lib"
+	  shift
+	  ;;
+	-l*)
+	  func_cl_dashl "${1#-l}"
+	  set x "$@" "$lib"
+	  shift
+	  ;;
+	-L)
+	  eat=1
+	  func_cl_dashL "$2"
+	  ;;
+	-L*)
+	  func_cl_dashL "${1#-L}"
+	  ;;
+	-static)
+	  shared=false
+	  ;;
+	-Wl,*)
+	  arg=${1#-Wl,}
+	  save_ifs="$IFS"; IFS=','
+	  for flag in $arg; do
+	    IFS="$save_ifs"
+	    linker_opts="$linker_opts $flag"
+	  done
+	  IFS="$save_ifs"
+	  ;;
+	-Xlinker)
+	  eat=1
+	  linker_opts="$linker_opts $2"
+	  ;;
+	-*)
+	  set x "$@" "$1"
+	  shift
+	  ;;
+	*.cc | *.CC | *.cxx | *.CXX | *.[cC]++)
+	  func_file_conv "$1"
+	  set x "$@" -Tp"$file"
+	  shift
+	  ;;
+	*.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO])
+	  func_file_conv "$1" mingw
+	  set x "$@" "$file"
+	  shift
+	  ;;
+	*)
+	  set x "$@" "$1"
+	  shift
+	  ;;
+      esac
+    fi
+    shift
+  done
+  if test -n "$linker_opts"; then
+    linker_opts="-link$linker_opts"
+  fi
+  exec "$@" $linker_opts
+  exit 1
+}
+
+eat=
+
+case $1 in
+  '')
+     echo "$0: No command.  Try '$0 --help' for more information." 1>&2
+     exit 1;
+     ;;
+  -h | --h*)
+    cat <<\EOF
+Usage: compile [--help] [--version] PROGRAM [ARGS]
+
+Wrapper for compilers which do not understand '-c -o'.
+Remove '-o dest.o' from ARGS, run PROGRAM with the remaining
+arguments, and rename the output as expected.
+
+If you are trying to build a whole package this is not the
+right script to run: please start by reading the file 'INSTALL'.
+
+Report bugs to <bug-automake@gnu.org>.
+EOF
+    exit $?
+    ;;
+  -v | --v*)
+    echo "compile $scriptversion"
+    exit $?
+    ;;
+  cl | *[/\\]cl | cl.exe | *[/\\]cl.exe | \
+  icl | *[/\\]icl | icl.exe | *[/\\]icl.exe )
+    func_cl_wrapper "$@"      # Doesn't return...
+    ;;
+esac
+
+ofile=
+cfile=
+
+for arg
+do
+  if test -n "$eat"; then
+    eat=
+  else
+    case $1 in
+      -o)
+	# configure might choose to run compile as 'compile cc -o foo foo.c'.
+	# So we strip '-o arg' only if arg is an object.
+	eat=1
+	case $2 in
+	  *.o | *.obj)
+	    ofile=$2
+	    ;;
+	  *)
+	    set x "$@" -o "$2"
+	    shift
+	    ;;
+	esac
+	;;
+      *.c)
+	cfile=$1
+	set x "$@" "$1"
+	shift
+	;;
+      *)
+	set x "$@" "$1"
+	shift
+	;;
+    esac
+  fi
+  shift
+done
+
+if test -z "$ofile" || test -z "$cfile"; then
+  # If no '-o' option was seen then we might have been invoked from a
+  # pattern rule where we don't need one.  That is ok -- this is a
+  # normal compilation that the losing compiler can handle.  If no
+  # '.c' file was seen then we are probably linking.  That is also
+  # ok.
+  exec "$@"
+fi
+
+# Name of file we expect compiler to create.
+cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'`
+
+# Create the lock directory.
+# Note: use '[/\\:.-]' here to ensure that we don't use the same name
+# that we are using for the .o file.  Also, base the name on the expected
+# object file name, since that is what matters with a parallel build.
+lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d
+while true; do
+  if mkdir "$lockdir" >/dev/null 2>&1; then
+    break
+  fi
+  sleep 1
+done
+# FIXME: race condition here if user kills between mkdir and trap.
+trap "rmdir '$lockdir'; exit 1" 1 2 15
+
+# Run the compile.
+"$@"
+ret=$?
+
+if test -f "$cofile"; then
+  test "$cofile" = "$ofile" || mv "$cofile" "$ofile"
+elif test -f "${cofile}bj"; then
+  test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile"
+fi
+
+rmdir "$lockdir"
+exit $ret
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'before-save-hook 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC0"
+# time-stamp-end: "; # UTC"
+# End:
diff -Nru nodejs-12.22.5~dfsg/deps/cares/config.guess nodejs-12.22.12~dfsg/deps/cares/config.guess
--- nodejs-12.22.5~dfsg/deps/cares/config.guess	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/deps/cares/config.guess	2022-04-05 07:16:59.000000000 +0000
@@ -0,0 +1,1480 @@
+#! /bin/sh
+# Attempt to guess a canonical system name.
+#   Copyright 1992-2018 Free Software Foundation, Inc.
+
+timestamp='2018-02-24'
+
+# This file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <https://www.gnu.org/licenses/>.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that
+# program.  This Exception is an additional permission under section 7
+# of the GNU General Public License, version 3 ("GPLv3").
+#
+# Originally written by Per Bothner; maintained since 2000 by Ben Elliston.
+#
+# You can get the latest version of this script from:
+# https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess
+#
+# Please send patches to <config-patches@gnu.org>.
+
+
+me=`echo "$0" | sed -e 's,.*/,,'`
+
+usage="\
+Usage: $0 [OPTION]
+
+Output the configuration name of the system \`$me' is run on.
+
+Options:
+  -h, --help         print this help, then exit
+  -t, --time-stamp   print date of last modification, then exit
+  -v, --version      print version number, then exit
+
+Report bugs and patches to <config-patches@gnu.org>."
+
+version="\
+GNU config.guess ($timestamp)
+
+Originally written by Per Bothner.
+Copyright 1992-2018 Free Software Foundation, Inc.
+
+This is free software; see the source for copying conditions.  There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
+
+help="
+Try \`$me --help' for more information."
+
+# Parse command line
+while test $# -gt 0 ; do
+  case $1 in
+    --time-stamp | --time* | -t )
+       echo "$timestamp" ; exit ;;
+    --version | -v )
+       echo "$version" ; exit ;;
+    --help | --h* | -h )
+       echo "$usage"; exit ;;
+    -- )     # Stop option processing
+       shift; break ;;
+    - )	# Use stdin as input.
+       break ;;
+    -* )
+       echo "$me: invalid option $1$help" >&2
+       exit 1 ;;
+    * )
+       break ;;
+  esac
+done
+
+if test $# != 0; then
+  echo "$me: too many arguments$help" >&2
+  exit 1
+fi
+
+trap 'exit 1' 1 2 15
+
+# CC_FOR_BUILD -- compiler used by this script. Note that the use of a
+# compiler to aid in system detection is discouraged as it requires
+# temporary files to be created and, as you can see below, it is a
+# headache to deal with in a portable fashion.
+
+# Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. We still
+# use `HOST_CC' if defined, but it is deprecated.
+
+# Portable tmp directory creation inspired by the Autoconf team.
+
+set_cc_for_build='
+trap "exitcode=\$?; (rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null) && exit \$exitcode" 0 ;
+trap "rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null; exit 1" 1 2 13 15 ;
+: ${TMPDIR=/tmp} ;
+ { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } ||
+ { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir $tmp) ; } ||
+ { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir $tmp) && echo "Warning: creating insecure temp directory" >&2 ; } ||
+ { echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; } ;
+dummy=$tmp/dummy ;
+tmpfiles="$dummy.c $dummy.o $dummy.rel $dummy" ;
+case $CC_FOR_BUILD,$HOST_CC,$CC in
+ ,,)    echo "int x;" > "$dummy.c" ;
+	for c in cc gcc c89 c99 ; do
+	  if ($c -c -o "$dummy.o" "$dummy.c") >/dev/null 2>&1 ; then
+	     CC_FOR_BUILD="$c"; break ;
+	  fi ;
+	done ;
+	if test x"$CC_FOR_BUILD" = x ; then
+	  CC_FOR_BUILD=no_compiler_found ;
+	fi
+	;;
+ ,,*)   CC_FOR_BUILD=$CC ;;
+ ,*,*)  CC_FOR_BUILD=$HOST_CC ;;
+esac ; set_cc_for_build= ;'
+
+# This is needed to find uname on a Pyramid OSx when run in the BSD universe.
+# (ghazi@noc.rutgers.edu 1994-08-24)
+if (test -f /.attbin/uname) >/dev/null 2>&1 ; then
+	PATH=$PATH:/.attbin ; export PATH
+fi
+
+UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown
+UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown
+UNAME_SYSTEM=`(uname -s) 2>/dev/null`  || UNAME_SYSTEM=unknown
+UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
+
+case "$UNAME_SYSTEM" in
+Linux|GNU|GNU/*)
+	# If the system lacks a compiler, then just pick glibc.
+	# We could probably try harder.
+	LIBC=gnu
+
+	eval "$set_cc_for_build"
+	cat <<-EOF > "$dummy.c"
+	#include <features.h>
+	#if defined(__UCLIBC__)
+	LIBC=uclibc
+	#elif defined(__dietlibc__)
+	LIBC=dietlibc
+	#else
+	LIBC=gnu
+	#endif
+	EOF
+	eval "`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^LIBC' | sed 's, ,,g'`"
+
+	# If ldd exists, use it to detect musl libc.
+	if command -v ldd >/dev/null && \
+		ldd --version 2>&1 | grep -q ^musl
+	then
+	    LIBC=musl
+	fi
+	;;
+esac
+
+# Note: order is significant - the case branches are not exclusive.
+
+case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
+    *:NetBSD:*:*)
+	# NetBSD (nbsd) targets should (where applicable) match one or
+	# more of the tuples: *-*-netbsdelf*, *-*-netbsdaout*,
+	# *-*-netbsdecoff* and *-*-netbsd*.  For targets that recently
+	# switched to ELF, *-*-netbsd* would select the old
+	# object file format.  This provides both forward
+	# compatibility and a consistent mechanism for selecting the
+	# object file format.
+	#
+	# Note: NetBSD doesn't particularly care about the vendor
+	# portion of the name.  We always set it to "unknown".
+	sysctl="sysctl -n hw.machine_arch"
+	UNAME_MACHINE_ARCH=`(uname -p 2>/dev/null || \
+	    "/sbin/$sysctl" 2>/dev/null || \
+	    "/usr/sbin/$sysctl" 2>/dev/null || \
+	    echo unknown)`
+	case "$UNAME_MACHINE_ARCH" in
+	    armeb) machine=armeb-unknown ;;
+	    arm*) machine=arm-unknown ;;
+	    sh3el) machine=shl-unknown ;;
+	    sh3eb) machine=sh-unknown ;;
+	    sh5el) machine=sh5le-unknown ;;
+	    earmv*)
+		arch=`echo "$UNAME_MACHINE_ARCH" | sed -e 's,^e\(armv[0-9]\).*$,\1,'`
+		endian=`echo "$UNAME_MACHINE_ARCH" | sed -ne 's,^.*\(eb\)$,\1,p'`
+		machine="${arch}${endian}"-unknown
+		;;
+	    *) machine="$UNAME_MACHINE_ARCH"-unknown ;;
+	esac
+	# The Operating System including object format, if it has switched
+	# to ELF recently (or will in the future) and ABI.
+	case "$UNAME_MACHINE_ARCH" in
+	    earm*)
+		os=netbsdelf
+		;;
+	    arm*|i386|m68k|ns32k|sh3*|sparc|vax)
+		eval "$set_cc_for_build"
+		if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
+			| grep -q __ELF__
+		then
+		    # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout).
+		    # Return netbsd for either.  FIX?
+		    os=netbsd
+		else
+		    os=netbsdelf
+		fi
+		;;
+	    *)
+		os=netbsd
+		;;
+	esac
+	# Determine ABI tags.
+	case "$UNAME_MACHINE_ARCH" in
+	    earm*)
+		expr='s/^earmv[0-9]/-eabi/;s/eb$//'
+		abi=`echo "$UNAME_MACHINE_ARCH" | sed -e "$expr"`
+		;;
+	esac
+	# The OS release
+	# Debian GNU/NetBSD machines have a different userland, and
+	# thus, need a distinct triplet. However, they do not need
+	# kernel version information, so it can be replaced with a
+	# suitable tag, in the style of linux-gnu.
+	case "$UNAME_VERSION" in
+	    Debian*)
+		release='-gnu'
+		;;
+	    *)
+		release=`echo "$UNAME_RELEASE" | sed -e 's/[-_].*//' | cut -d. -f1,2`
+		;;
+	esac
+	# Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
+	# contains redundant information, the shorter form:
+	# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
+	echo "$machine-${os}${release}${abi}"
+	exit ;;
+    *:Bitrig:*:*)
+	UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'`
+	echo "$UNAME_MACHINE_ARCH"-unknown-bitrig"$UNAME_RELEASE"
+	exit ;;
+    *:OpenBSD:*:*)
+	UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'`
+	echo "$UNAME_MACHINE_ARCH"-unknown-openbsd"$UNAME_RELEASE"
+	exit ;;
+    *:LibertyBSD:*:*)
+	UNAME_MACHINE_ARCH=`arch | sed 's/^.*BSD\.//'`
+	echo "$UNAME_MACHINE_ARCH"-unknown-libertybsd"$UNAME_RELEASE"
+	exit ;;
+    *:MidnightBSD:*:*)
+	echo "$UNAME_MACHINE"-unknown-midnightbsd"$UNAME_RELEASE"
+	exit ;;
+    *:ekkoBSD:*:*)
+	echo "$UNAME_MACHINE"-unknown-ekkobsd"$UNAME_RELEASE"
+	exit ;;
+    *:SolidBSD:*:*)
+	echo "$UNAME_MACHINE"-unknown-solidbsd"$UNAME_RELEASE"
+	exit ;;
+    macppc:MirBSD:*:*)
+	echo powerpc-unknown-mirbsd"$UNAME_RELEASE"
+	exit ;;
+    *:MirBSD:*:*)
+	echo "$UNAME_MACHINE"-unknown-mirbsd"$UNAME_RELEASE"
+	exit ;;
+    *:Sortix:*:*)
+	echo "$UNAME_MACHINE"-unknown-sortix
+	exit ;;
+    *:Redox:*:*)
+	echo "$UNAME_MACHINE"-unknown-redox
+	exit ;;
+    mips:OSF1:*.*)
+        echo mips-dec-osf1
+        exit ;;
+    alpha:OSF1:*:*)
+	case $UNAME_RELEASE in
+	*4.0)
+		UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
+		;;
+	*5.*)
+		UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'`
+		;;
+	esac
+	# According to Compaq, /usr/sbin/psrinfo has been available on
+	# OSF/1 and Tru64 systems produced since 1995.  I hope that
+	# covers most systems running today.  This code pipes the CPU
+	# types through head -n 1, so we only detect the type of CPU 0.
+	ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^  The alpha \(.*\) processor.*$/\1/p' | head -n 1`
+	case "$ALPHA_CPU_TYPE" in
+	    "EV4 (21064)")
+		UNAME_MACHINE=alpha ;;
+	    "EV4.5 (21064)")
+		UNAME_MACHINE=alpha ;;
+	    "LCA4 (21066/21068)")
+		UNAME_MACHINE=alpha ;;
+	    "EV5 (21164)")
+		UNAME_MACHINE=alphaev5 ;;
+	    "EV5.6 (21164A)")
+		UNAME_MACHINE=alphaev56 ;;
+	    "EV5.6 (21164PC)")
+		UNAME_MACHINE=alphapca56 ;;
+	    "EV5.7 (21164PC)")
+		UNAME_MACHINE=alphapca57 ;;
+	    "EV6 (21264)")
+		UNAME_MACHINE=alphaev6 ;;
+	    "EV6.7 (21264A)")
+		UNAME_MACHINE=alphaev67 ;;
+	    "EV6.8CB (21264C)")
+		UNAME_MACHINE=alphaev68 ;;
+	    "EV6.8AL (21264B)")
+		UNAME_MACHINE=alphaev68 ;;
+	    "EV6.8CX (21264D)")
+		UNAME_MACHINE=alphaev68 ;;
+	    "EV6.9A (21264/EV69A)")
+		UNAME_MACHINE=alphaev69 ;;
+	    "EV7 (21364)")
+		UNAME_MACHINE=alphaev7 ;;
+	    "EV7.9 (21364A)")
+		UNAME_MACHINE=alphaev79 ;;
+	esac
+	# A Pn.n version is a patched version.
+	# A Vn.n version is a released version.
+	# A Tn.n version is a released field test version.
+	# A Xn.n version is an unreleased experimental baselevel.
+	# 1.2 uses "1.2" for uname -r.
+	echo "$UNAME_MACHINE"-dec-osf"`echo "$UNAME_RELEASE" | sed -e 's/^[PVTX]//' | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`"
+	# Reset EXIT trap before exiting to avoid spurious non-zero exit code.
+	exitcode=$?
+	trap '' 0
+	exit $exitcode ;;
+    Amiga*:UNIX_System_V:4.0:*)
+	echo m68k-unknown-sysv4
+	exit ;;
+    *:[Aa]miga[Oo][Ss]:*:*)
+	echo "$UNAME_MACHINE"-unknown-amigaos
+	exit ;;
+    *:[Mm]orph[Oo][Ss]:*:*)
+	echo "$UNAME_MACHINE"-unknown-morphos
+	exit ;;
+    *:OS/390:*:*)
+	echo i370-ibm-openedition
+	exit ;;
+    *:z/VM:*:*)
+	echo s390-ibm-zvmoe
+	exit ;;
+    *:OS400:*:*)
+	echo powerpc-ibm-os400
+	exit ;;
+    arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
+	echo arm-acorn-riscix"$UNAME_RELEASE"
+	exit ;;
+    arm*:riscos:*:*|arm*:RISCOS:*:*)
+	echo arm-unknown-riscos
+	exit ;;
+    SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*)
+	echo hppa1.1-hitachi-hiuxmpp
+	exit ;;
+    Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*)
+	# akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE.
+	if test "`(/bin/universe) 2>/dev/null`" = att ; then
+		echo pyramid-pyramid-sysv3
+	else
+		echo pyramid-pyramid-bsd
+	fi
+	exit ;;
+    NILE*:*:*:dcosx)
+	echo pyramid-pyramid-svr4
+	exit ;;
+    DRS?6000:unix:4.0:6*)
+	echo sparc-icl-nx6
+	exit ;;
+    DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*)
+	case `/usr/bin/uname -p` in
+	    sparc) echo sparc-icl-nx7; exit ;;
+	esac ;;
+    s390x:SunOS:*:*)
+	echo "$UNAME_MACHINE"-ibm-solaris2"`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`"
+	exit ;;
+    sun4H:SunOS:5.*:*)
+	echo sparc-hal-solaris2"`echo "$UNAME_RELEASE"|sed -e 's/[^.]*//'`"
+	exit ;;
+    sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
+	echo sparc-sun-solaris2"`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`"
+	exit ;;
+    i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*)
+	echo i386-pc-auroraux"$UNAME_RELEASE"
+	exit ;;
+    i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*)
+	eval "$set_cc_for_build"
+	SUN_ARCH=i386
+	# If there is a compiler, see if it is configured for 64-bit objects.
+	# Note that the Sun cc does not turn __LP64__ into 1 like gcc does.
+	# This test works for both compilers.
+	if [ "$CC_FOR_BUILD" != no_compiler_found ]; then
+	    if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \
+		(CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
+		grep IS_64BIT_ARCH >/dev/null
+	    then
+		SUN_ARCH=x86_64
+	    fi
+	fi
+	echo "$SUN_ARCH"-pc-solaris2"`echo "$UNAME_RELEASE"|sed -e 's/[^.]*//'`"
+	exit ;;
+    sun4*:SunOS:6*:*)
+	# According to config.sub, this is the proper way to canonicalize
+	# SunOS6.  Hard to guess exactly what SunOS6 will be like, but
+	# it's likely to be more like Solaris than SunOS4.
+	echo sparc-sun-solaris3"`echo "$UNAME_RELEASE"|sed -e 's/[^.]*//'`"
+	exit ;;
+    sun4*:SunOS:*:*)
+	case "`/usr/bin/arch -k`" in
+	    Series*|S4*)
+		UNAME_RELEASE=`uname -v`
+		;;
+	esac
+	# Japanese Language versions have a version number like `4.1.3-JL'.
+	echo sparc-sun-sunos"`echo "$UNAME_RELEASE"|sed -e 's/-/_/'`"
+	exit ;;
+    sun3*:SunOS:*:*)
+	echo m68k-sun-sunos"$UNAME_RELEASE"
+	exit ;;
+    sun*:*:4.2BSD:*)
+	UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null`
+	test "x$UNAME_RELEASE" = x && UNAME_RELEASE=3
+	case "`/bin/arch`" in
+	    sun3)
+		echo m68k-sun-sunos"$UNAME_RELEASE"
+		;;
+	    sun4)
+		echo sparc-sun-sunos"$UNAME_RELEASE"
+		;;
+	esac
+	exit ;;
+    aushp:SunOS:*:*)
+	echo sparc-auspex-sunos"$UNAME_RELEASE"
+	exit ;;
+    # The situation for MiNT is a little confusing.  The machine name
+    # can be virtually everything (everything which is not
+    # "atarist" or "atariste" at least should have a processor
+    # > m68000).  The system name ranges from "MiNT" over "FreeMiNT"
+    # to the lowercase version "mint" (or "freemint").  Finally
+    # the system name "TOS" denotes a system which is actually not
+    # MiNT.  But MiNT is downward compatible to TOS, so this should
+    # be no problem.
+    atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*)
+	echo m68k-atari-mint"$UNAME_RELEASE"
+	exit ;;
+    atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*)
+	echo m68k-atari-mint"$UNAME_RELEASE"
+	exit ;;
+    *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*)
+	echo m68k-atari-mint"$UNAME_RELEASE"
+	exit ;;
+    milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*)
+	echo m68k-milan-mint"$UNAME_RELEASE"
+	exit ;;
+    hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*)
+	echo m68k-hades-mint"$UNAME_RELEASE"
+	exit ;;
+    *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
+	echo m68k-unknown-mint"$UNAME_RELEASE"
+	exit ;;
+    m68k:machten:*:*)
+	echo m68k-apple-machten"$UNAME_RELEASE"
+	exit ;;
+    powerpc:machten:*:*)
+	echo powerpc-apple-machten"$UNAME_RELEASE"
+	exit ;;
+    RISC*:Mach:*:*)
+	echo mips-dec-mach_bsd4.3
+	exit ;;
+    RISC*:ULTRIX:*:*)
+	echo mips-dec-ultrix"$UNAME_RELEASE"
+	exit ;;
+    VAX*:ULTRIX*:*:*)
+	echo vax-dec-ultrix"$UNAME_RELEASE"
+	exit ;;
+    2020:CLIX:*:* | 2430:CLIX:*:*)
+	echo clipper-intergraph-clix"$UNAME_RELEASE"
+	exit ;;
+    mips:*:*:UMIPS | mips:*:*:RISCos)
+	eval "$set_cc_for_build"
+	sed 's/^	//' << EOF > "$dummy.c"
+#ifdef __cplusplus
+#include <stdio.h>  /* for printf() prototype */
+	int main (int argc, char *argv[]) {
+#else
+	int main (argc, argv) int argc; char *argv[]; {
+#endif
+	#if defined (host_mips) && defined (MIPSEB)
+	#if defined (SYSTYPE_SYSV)
+	  printf ("mips-mips-riscos%ssysv\\n", argv[1]); exit (0);
+	#endif
+	#if defined (SYSTYPE_SVR4)
+	  printf ("mips-mips-riscos%ssvr4\\n", argv[1]); exit (0);
+	#endif
+	#if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD)
+	  printf ("mips-mips-riscos%sbsd\\n", argv[1]); exit (0);
+	#endif
+	#endif
+	  exit (-1);
+	}
+EOF
+	$CC_FOR_BUILD -o "$dummy" "$dummy.c" &&
+	  dummyarg=`echo "$UNAME_RELEASE" | sed -n 's/\([0-9]*\).*/\1/p'` &&
+	  SYSTEM_NAME=`"$dummy" "$dummyarg"` &&
+	    { echo "$SYSTEM_NAME"; exit; }
+	echo mips-mips-riscos"$UNAME_RELEASE"
+	exit ;;
+    Motorola:PowerMAX_OS:*:*)
+	echo powerpc-motorola-powermax
+	exit ;;
+    Motorola:*:4.3:PL8-*)
+	echo powerpc-harris-powermax
+	exit ;;
+    Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*)
+	echo powerpc-harris-powermax
+	exit ;;
+    Night_Hawk:Power_UNIX:*:*)
+	echo powerpc-harris-powerunix
+	exit ;;
+    m88k:CX/UX:7*:*)
+	echo m88k-harris-cxux7
+	exit ;;
+    m88k:*:4*:R4*)
+	echo m88k-motorola-sysv4
+	exit ;;
+    m88k:*:3*:R3*)
+	echo m88k-motorola-sysv3
+	exit ;;
+    AViiON:dgux:*:*)
+	# DG/UX returns AViiON for all architectures
+	UNAME_PROCESSOR=`/usr/bin/uname -p`
+	if [ "$UNAME_PROCESSOR" = mc88100 ] || [ "$UNAME_PROCESSOR" = mc88110 ]
+	then
+	    if [ "$TARGET_BINARY_INTERFACE"x = m88kdguxelfx ] || \
+	       [ "$TARGET_BINARY_INTERFACE"x = x ]
+	    then
+		echo m88k-dg-dgux"$UNAME_RELEASE"
+	    else
+		echo m88k-dg-dguxbcs"$UNAME_RELEASE"
+	    fi
+	else
+	    echo i586-dg-dgux"$UNAME_RELEASE"
+	fi
+	exit ;;
+    M88*:DolphinOS:*:*)	# DolphinOS (SVR3)
+	echo m88k-dolphin-sysv3
+	exit ;;
+    M88*:*:R3*:*)
+	# Delta 88k system running SVR3
+	echo m88k-motorola-sysv3
+	exit ;;
+    XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3)
+	echo m88k-tektronix-sysv3
+	exit ;;
+    Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD)
+	echo m68k-tektronix-bsd
+	exit ;;
+    *:IRIX*:*:*)
+	echo mips-sgi-irix"`echo "$UNAME_RELEASE"|sed -e 's/-/_/g'`"
+	exit ;;
+    ????????:AIX?:[12].1:2)   # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
+	echo romp-ibm-aix     # uname -m gives an 8 hex-code CPU id
+	exit ;;               # Note that: echo "'`uname -s`'" gives 'AIX '
+    i*86:AIX:*:*)
+	echo i386-ibm-aix
+	exit ;;
+    ia64:AIX:*:*)
+	if [ -x /usr/bin/oslevel ] ; then
+		IBM_REV=`/usr/bin/oslevel`
+	else
+		IBM_REV="$UNAME_VERSION.$UNAME_RELEASE"
+	fi
+	echo "$UNAME_MACHINE"-ibm-aix"$IBM_REV"
+	exit ;;
+    *:AIX:2:3)
+	if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
+		eval "$set_cc_for_build"
+		sed 's/^		//' << EOF > "$dummy.c"
+		#include <sys/systemcfg.h>
+
+		main()
+			{
+			if (!__power_pc())
+				exit(1);
+			puts("powerpc-ibm-aix3.2.5");
+			exit(0);
+			}
+EOF
+		if $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"`
+		then
+			echo "$SYSTEM_NAME"
+		else
+			echo rs6000-ibm-aix3.2.5
+		fi
+	elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then
+		echo rs6000-ibm-aix3.2.4
+	else
+		echo rs6000-ibm-aix3.2
+	fi
+	exit ;;
+    *:AIX:*:[4567])
+	IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'`
+	if /usr/sbin/lsattr -El "$IBM_CPU_ID" | grep ' POWER' >/dev/null 2>&1; then
+		IBM_ARCH=rs6000
+	else
+		IBM_ARCH=powerpc
+	fi
+	if [ -x /usr/bin/lslpp ] ; then
+		IBM_REV=`/usr/bin/lslpp -Lqc bos.rte.libc |
+			   awk -F: '{ print $3 }' | sed s/[0-9]*$/0/`
+	else
+		IBM_REV="$UNAME_VERSION.$UNAME_RELEASE"
+	fi
+	echo "$IBM_ARCH"-ibm-aix"$IBM_REV"
+	exit ;;
+    *:AIX:*:*)
+	echo rs6000-ibm-aix
+	exit ;;
+    ibmrt:4.4BSD:*|romp-ibm:4.4BSD:*)
+	echo romp-ibm-bsd4.4
+	exit ;;
+    ibmrt:*BSD:*|romp-ibm:BSD:*)            # covers RT/PC BSD and
+	echo romp-ibm-bsd"$UNAME_RELEASE"   # 4.3 with uname added to
+	exit ;;                             # report: romp-ibm BSD 4.3
+    *:BOSX:*:*)
+	echo rs6000-bull-bosx
+	exit ;;
+    DPX/2?00:B.O.S.:*:*)
+	echo m68k-bull-sysv3
+	exit ;;
+    9000/[34]??:4.3bsd:1.*:*)
+	echo m68k-hp-bsd
+	exit ;;
+    hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*)
+	echo m68k-hp-bsd4.4
+	exit ;;
+    9000/[34678]??:HP-UX:*:*)
+	HPUX_REV=`echo "$UNAME_RELEASE"|sed -e 's/[^.]*.[0B]*//'`
+	case "$UNAME_MACHINE" in
+	    9000/31?)            HP_ARCH=m68000 ;;
+	    9000/[34]??)         HP_ARCH=m68k ;;
+	    9000/[678][0-9][0-9])
+		if [ -x /usr/bin/getconf ]; then
+		    sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null`
+		    sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null`
+		    case "$sc_cpu_version" in
+		      523) HP_ARCH=hppa1.0 ;; # CPU_PA_RISC1_0
+		      528) HP_ARCH=hppa1.1 ;; # CPU_PA_RISC1_1
+		      532)                      # CPU_PA_RISC2_0
+			case "$sc_kernel_bits" in
+			  32) HP_ARCH=hppa2.0n ;;
+			  64) HP_ARCH=hppa2.0w ;;
+			  '') HP_ARCH=hppa2.0 ;;   # HP-UX 10.20
+			esac ;;
+		    esac
+		fi
+		if [ "$HP_ARCH" = "" ]; then
+		    eval "$set_cc_for_build"
+		    sed 's/^		//' << EOF > "$dummy.c"
+
+		#define _HPUX_SOURCE
+		#include <stdlib.h>
+		#include <unistd.h>
+
+		int main ()
+		{
+		#if defined(_SC_KERNEL_BITS)
+		    long bits = sysconf(_SC_KERNEL_BITS);
+		#endif
+		    long cpu  = sysconf (_SC_CPU_VERSION);
+
+		    switch (cpu)
+			{
+			case CPU_PA_RISC1_0: puts ("hppa1.0"); break;
+			case CPU_PA_RISC1_1: puts ("hppa1.1"); break;
+			case CPU_PA_RISC2_0:
+		#if defined(_SC_KERNEL_BITS)
+			    switch (bits)
+				{
+				case 64: puts ("hppa2.0w"); break;
+				case 32: puts ("hppa2.0n"); break;
+				default: puts ("hppa2.0"); break;
+				} break;
+		#else  /* !defined(_SC_KERNEL_BITS) */
+			    puts ("hppa2.0"); break;
+		#endif
+			default: puts ("hppa1.0"); break;
+			}
+		    exit (0);
+		}
+EOF
+		    (CCOPTS="" $CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null) && HP_ARCH=`"$dummy"`
+		    test -z "$HP_ARCH" && HP_ARCH=hppa
+		fi ;;
+	esac
+	if [ "$HP_ARCH" = hppa2.0w ]
+	then
+	    eval "$set_cc_for_build"
+
+	    # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating
+	    # 32-bit code.  hppa64-hp-hpux* has the same kernel and a compiler
+	    # generating 64-bit code.  GNU and HP use different nomenclature:
+	    #
+	    # $ CC_FOR_BUILD=cc ./config.guess
+	    # => hppa2.0w-hp-hpux11.23
+	    # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess
+	    # => hppa64-hp-hpux11.23
+
+	    if echo __LP64__ | (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) |
+		grep -q __LP64__
+	    then
+		HP_ARCH=hppa2.0w
+	    else
+		HP_ARCH=hppa64
+	    fi
+	fi
+	echo "$HP_ARCH"-hp-hpux"$HPUX_REV"
+	exit ;;
+    ia64:HP-UX:*:*)
+	HPUX_REV=`echo "$UNAME_RELEASE"|sed -e 's/[^.]*.[0B]*//'`
+	echo ia64-hp-hpux"$HPUX_REV"
+	exit ;;
+    3050*:HI-UX:*:*)
+	eval "$set_cc_for_build"
+	sed 's/^	//' << EOF > "$dummy.c"
+	#include <unistd.h>
+	int
+	main ()
+	{
+	  long cpu = sysconf (_SC_CPU_VERSION);
+	  /* The order matters, because CPU_IS_HP_MC68K erroneously returns
+	     true for CPU_PA_RISC1_0.  CPU_IS_PA_RISC returns correct
+	     results, however.  */
+	  if (CPU_IS_PA_RISC (cpu))
+	    {
+	      switch (cpu)
+		{
+		  case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break;
+		  case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break;
+		  case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break;
+		  default: puts ("hppa-hitachi-hiuxwe2"); break;
+		}
+	    }
+	  else if (CPU_IS_HP_MC68K (cpu))
+	    puts ("m68k-hitachi-hiuxwe2");
+	  else puts ("unknown-hitachi-hiuxwe2");
+	  exit (0);
+	}
+EOF
+	$CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"` &&
+		{ echo "$SYSTEM_NAME"; exit; }
+	echo unknown-hitachi-hiuxwe2
+	exit ;;
+    9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:*)
+	echo hppa1.1-hp-bsd
+	exit ;;
+    9000/8??:4.3bsd:*:*)
+	echo hppa1.0-hp-bsd
+	exit ;;
+    *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*)
+	echo hppa1.0-hp-mpeix
+	exit ;;
+    hp7??:OSF1:*:* | hp8?[79]:OSF1:*:*)
+	echo hppa1.1-hp-osf
+	exit ;;
+    hp8??:OSF1:*:*)
+	echo hppa1.0-hp-osf
+	exit ;;
+    i*86:OSF1:*:*)
+	if [ -x /usr/sbin/sysversion ] ; then
+	    echo "$UNAME_MACHINE"-unknown-osf1mk
+	else
+	    echo "$UNAME_MACHINE"-unknown-osf1
+	fi
+	exit ;;
+    parisc*:Lites*:*:*)
+	echo hppa1.1-hp-lites
+	exit ;;
+    C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
+	echo c1-convex-bsd
+	exit ;;
+    C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*)
+	if getsysinfo -f scalar_acc
+	then echo c32-convex-bsd
+	else echo c2-convex-bsd
+	fi
+	exit ;;
+    C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*)
+	echo c34-convex-bsd
+	exit ;;
+    C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*)
+	echo c38-convex-bsd
+	exit ;;
+    C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*)
+	echo c4-convex-bsd
+	exit ;;
+    CRAY*Y-MP:*:*:*)
+	echo ymp-cray-unicos"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'
+	exit ;;
+    CRAY*[A-Z]90:*:*:*)
+	echo "$UNAME_MACHINE"-cray-unicos"$UNAME_RELEASE" \
+	| sed -e 's/CRAY.*\([A-Z]90\)/\1/' \
+	      -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \
+	      -e 's/\.[^.]*$/.X/'
+	exit ;;
+    CRAY*TS:*:*:*)
+	echo t90-cray-unicos"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'
+	exit ;;
+    CRAY*T3E:*:*:*)
+	echo alphaev5-cray-unicosmk"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'
+	exit ;;
+    CRAY*SV1:*:*:*)
+	echo sv1-cray-unicos"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'
+	exit ;;
+    *:UNICOS/mp:*:*)
+	echo craynv-cray-unicosmp"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'
+	exit ;;
+    F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*)
+	FUJITSU_PROC=`uname -m | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`
+	FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'`
+	FUJITSU_REL=`echo "$UNAME_RELEASE" | sed -e 's/ /_/'`
+	echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
+	exit ;;
+    5000:UNIX_System_V:4.*:*)
+	FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'`
+	FUJITSU_REL=`echo "$UNAME_RELEASE" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/ /_/'`
+	echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
+	exit ;;
+    i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
+	echo "$UNAME_MACHINE"-pc-bsdi"$UNAME_RELEASE"
+	exit ;;
+    sparc*:BSD/OS:*:*)
+	echo sparc-unknown-bsdi"$UNAME_RELEASE"
+	exit ;;
+    *:BSD/OS:*:*)
+	echo "$UNAME_MACHINE"-unknown-bsdi"$UNAME_RELEASE"
+	exit ;;
+    *:FreeBSD:*:*)
+	UNAME_PROCESSOR=`/usr/bin/uname -p`
+	case "$UNAME_PROCESSOR" in
+	    amd64)
+		UNAME_PROCESSOR=x86_64 ;;
+	    i386)
+		UNAME_PROCESSOR=i586 ;;
+	esac
+	echo "$UNAME_PROCESSOR"-unknown-freebsd"`echo "$UNAME_RELEASE"|sed -e 's/[-(].*//'`"
+	exit ;;
+    i*:CYGWIN*:*)
+	echo "$UNAME_MACHINE"-pc-cygwin
+	exit ;;
+    *:MINGW64*:*)
+	echo "$UNAME_MACHINE"-pc-mingw64
+	exit ;;
+    *:MINGW*:*)
+	echo "$UNAME_MACHINE"-pc-mingw32
+	exit ;;
+    *:MSYS*:*)
+	echo "$UNAME_MACHINE"-pc-msys
+	exit ;;
+    i*:PW*:*)
+	echo "$UNAME_MACHINE"-pc-pw32
+	exit ;;
+    *:Interix*:*)
+	case "$UNAME_MACHINE" in
+	    x86)
+		echo i586-pc-interix"$UNAME_RELEASE"
+		exit ;;
+	    authenticamd | genuineintel | EM64T)
+		echo x86_64-unknown-interix"$UNAME_RELEASE"
+		exit ;;
+	    IA64)
+		echo ia64-unknown-interix"$UNAME_RELEASE"
+		exit ;;
+	esac ;;
+    i*:UWIN*:*)
+	echo "$UNAME_MACHINE"-pc-uwin
+	exit ;;
+    amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*)
+	echo x86_64-unknown-cygwin
+	exit ;;
+    prep*:SunOS:5.*:*)
+	echo powerpcle-unknown-solaris2"`echo "$UNAME_RELEASE"|sed -e 's/[^.]*//'`"
+	exit ;;
+    *:GNU:*:*)
+	# the GNU system
+	echo "`echo "$UNAME_MACHINE"|sed -e 's,[-/].*$,,'`-unknown-$LIBC`echo "$UNAME_RELEASE"|sed -e 's,/.*$,,'`"
+	exit ;;
+    *:GNU/*:*:*)
+	# other systems with GNU libc and userland
+	echo "$UNAME_MACHINE-unknown-`echo "$UNAME_SYSTEM" | sed 's,^[^/]*/,,' | tr "[:upper:]" "[:lower:]"``echo "$UNAME_RELEASE"|sed -e 's/[-(].*//'`-$LIBC"
+	exit ;;
+    i*86:Minix:*:*)
+	echo "$UNAME_MACHINE"-pc-minix
+	exit ;;
+    aarch64:Linux:*:*)
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	exit ;;
+    aarch64_be:Linux:*:*)
+	UNAME_MACHINE=aarch64_be
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	exit ;;
+    alpha:Linux:*:*)
+	case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
+	  EV5)   UNAME_MACHINE=alphaev5 ;;
+	  EV56)  UNAME_MACHINE=alphaev56 ;;
+	  PCA56) UNAME_MACHINE=alphapca56 ;;
+	  PCA57) UNAME_MACHINE=alphapca56 ;;
+	  EV6)   UNAME_MACHINE=alphaev6 ;;
+	  EV67)  UNAME_MACHINE=alphaev67 ;;
+	  EV68*) UNAME_MACHINE=alphaev68 ;;
+	esac
+	objdump --private-headers /bin/sh | grep -q ld.so.1
+	if test "$?" = 0 ; then LIBC=gnulibc1 ; fi
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	exit ;;
+    arc:Linux:*:* | arceb:Linux:*:*)
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	exit ;;
+    arm*:Linux:*:*)
+	eval "$set_cc_for_build"
+	if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \
+	    | grep -q __ARM_EABI__
+	then
+	    echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	else
+	    if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
+		| grep -q __ARM_PCS_VFP
+	    then
+		echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"eabi
+	    else
+		echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"eabihf
+	    fi
+	fi
+	exit ;;
+    avr32*:Linux:*:*)
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	exit ;;
+    cris:Linux:*:*)
+	echo "$UNAME_MACHINE"-axis-linux-"$LIBC"
+	exit ;;
+    crisv32:Linux:*:*)
+	echo "$UNAME_MACHINE"-axis-linux-"$LIBC"
+	exit ;;
+    e2k:Linux:*:*)
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	exit ;;
+    frv:Linux:*:*)
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	exit ;;
+    hexagon:Linux:*:*)
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	exit ;;
+    i*86:Linux:*:*)
+	echo "$UNAME_MACHINE"-pc-linux-"$LIBC"
+	exit ;;
+    ia64:Linux:*:*)
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	exit ;;
+    k1om:Linux:*:*)
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	exit ;;
+    m32r*:Linux:*:*)
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	exit ;;
+    m68*:Linux:*:*)
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	exit ;;
+    mips:Linux:*:* | mips64:Linux:*:*)
+	eval "$set_cc_for_build"
+	sed 's/^	//' << EOF > "$dummy.c"
+	#undef CPU
+	#undef ${UNAME_MACHINE}
+	#undef ${UNAME_MACHINE}el
+	#if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL)
+	CPU=${UNAME_MACHINE}el
+	#else
+	#if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB)
+	CPU=${UNAME_MACHINE}
+	#else
+	CPU=
+	#endif
+	#endif
+EOF
+	eval "`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^CPU'`"
+	test "x$CPU" != x && { echo "$CPU-unknown-linux-$LIBC"; exit; }
+	;;
+    mips64el:Linux:*:*)
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	exit ;;
+    openrisc*:Linux:*:*)
+	echo or1k-unknown-linux-"$LIBC"
+	exit ;;
+    or32:Linux:*:* | or1k*:Linux:*:*)
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	exit ;;
+    padre:Linux:*:*)
+	echo sparc-unknown-linux-"$LIBC"
+	exit ;;
+    parisc64:Linux:*:* | hppa64:Linux:*:*)
+	echo hppa64-unknown-linux-"$LIBC"
+	exit ;;
+    parisc:Linux:*:* | hppa:Linux:*:*)
+	# Look for CPU level
+	case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in
+	  PA7*) echo hppa1.1-unknown-linux-"$LIBC" ;;
+	  PA8*) echo hppa2.0-unknown-linux-"$LIBC" ;;
+	  *)    echo hppa-unknown-linux-"$LIBC" ;;
+	esac
+	exit ;;
+    ppc64:Linux:*:*)
+	echo powerpc64-unknown-linux-"$LIBC"
+	exit ;;
+    ppc:Linux:*:*)
+	echo powerpc-unknown-linux-"$LIBC"
+	exit ;;
+    ppc64le:Linux:*:*)
+	echo powerpc64le-unknown-linux-"$LIBC"
+	exit ;;
+    ppcle:Linux:*:*)
+	echo powerpcle-unknown-linux-"$LIBC"
+	exit ;;
+    riscv32:Linux:*:* | riscv64:Linux:*:*)
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	exit ;;
+    s390:Linux:*:* | s390x:Linux:*:*)
+	echo "$UNAME_MACHINE"-ibm-linux-"$LIBC"
+	exit ;;
+    sh64*:Linux:*:*)
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	exit ;;
+    sh*:Linux:*:*)
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	exit ;;
+    sparc:Linux:*:* | sparc64:Linux:*:*)
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	exit ;;
+    tile*:Linux:*:*)
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	exit ;;
+    vax:Linux:*:*)
+	echo "$UNAME_MACHINE"-dec-linux-"$LIBC"
+	exit ;;
+    x86_64:Linux:*:*)
+	if objdump -f /bin/sh | grep -q elf32-x86-64; then
+	    echo "$UNAME_MACHINE"-pc-linux-"$LIBC"x32
+	else
+	    echo "$UNAME_MACHINE"-pc-linux-"$LIBC"
+	fi
+	exit ;;
+    xtensa*:Linux:*:*)
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+	exit ;;
+    i*86:DYNIX/ptx:4*:*)
+	# ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
+	# earlier versions are messed up and put the nodename in both
+	# sysname and nodename.
+	echo i386-sequent-sysv4
+	exit ;;
+    i*86:UNIX_SV:4.2MP:2.*)
+	# Unixware is an offshoot of SVR4, but it has its own version
+	# number series starting with 2...
+	# I am not positive that other SVR4 systems won't match this,
+	# I just have to hope.  -- rms.
+	# Use sysv4.2uw... so that sysv4* matches it.
+	echo "$UNAME_MACHINE"-pc-sysv4.2uw"$UNAME_VERSION"
+	exit ;;
+    i*86:OS/2:*:*)
+	# If we were able to find `uname', then EMX Unix compatibility
+	# is probably installed.
+	echo "$UNAME_MACHINE"-pc-os2-emx
+	exit ;;
+    i*86:XTS-300:*:STOP)
+	echo "$UNAME_MACHINE"-unknown-stop
+	exit ;;
+    i*86:atheos:*:*)
+	echo "$UNAME_MACHINE"-unknown-atheos
+	exit ;;
+    i*86:syllable:*:*)
+	echo "$UNAME_MACHINE"-pc-syllable
+	exit ;;
+    i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*)
+	echo i386-unknown-lynxos"$UNAME_RELEASE"
+	exit ;;
+    i*86:*DOS:*:*)
+	echo "$UNAME_MACHINE"-pc-msdosdjgpp
+	exit ;;
+    i*86:*:4.*:*)
+	UNAME_REL=`echo "$UNAME_RELEASE" | sed 's/\/MP$//'`
+	if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then
+		echo "$UNAME_MACHINE"-univel-sysv"$UNAME_REL"
+	else
+		echo "$UNAME_MACHINE"-pc-sysv"$UNAME_REL"
+	fi
+	exit ;;
+    i*86:*:5:[678]*)
+	# UnixWare 7.x, OpenUNIX and OpenServer 6.
+	case `/bin/uname -X | grep "^Machine"` in
+	    *486*)	     UNAME_MACHINE=i486 ;;
+	    *Pentium)	     UNAME_MACHINE=i586 ;;
+	    *Pent*|*Celeron) UNAME_MACHINE=i686 ;;
+	esac
+	echo "$UNAME_MACHINE-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}{$UNAME_VERSION}"
+	exit ;;
+    i*86:*:3.2:*)
+	if test -f /usr/options/cb.name; then
+		UNAME_REL=`sed -n 's/.*Version //p' </usr/options/cb.name`
+		echo "$UNAME_MACHINE"-pc-isc"$UNAME_REL"
+	elif /bin/uname -X 2>/dev/null >/dev/null ; then
+		UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')`
+		(/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486
+		(/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \
+			&& UNAME_MACHINE=i586
+		(/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \
+			&& UNAME_MACHINE=i686
+		(/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \
+			&& UNAME_MACHINE=i686
+		echo "$UNAME_MACHINE"-pc-sco"$UNAME_REL"
+	else
+		echo "$UNAME_MACHINE"-pc-sysv32
+	fi
+	exit ;;
+    pc:*:*:*)
+	# Left here for compatibility:
+	# uname -m prints for DJGPP always 'pc', but it prints nothing about
+	# the processor, so we play safe by assuming i586.
+	# Note: whatever this is, it MUST be the same as what config.sub
+	# prints for the "djgpp" host, or else GDB configure will decide that
+	# this is a cross-build.
+	echo i586-pc-msdosdjgpp
+	exit ;;
+    Intel:Mach:3*:*)
+	echo i386-pc-mach3
+	exit ;;
+    paragon:*:*:*)
+	echo i860-intel-osf1
+	exit ;;
+    i860:*:4.*:*) # i860-SVR4
+	if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then
+	  echo i860-stardent-sysv"$UNAME_RELEASE" # Stardent Vistra i860-SVR4
+	else # Add other i860-SVR4 vendors below as they are discovered.
+	  echo i860-unknown-sysv"$UNAME_RELEASE"  # Unknown i860-SVR4
+	fi
+	exit ;;
+    mini*:CTIX:SYS*5:*)
+	# "miniframe"
+	echo m68010-convergent-sysv
+	exit ;;
+    mc68k:UNIX:SYSTEM5:3.51m)
+	echo m68k-convergent-sysv
+	exit ;;
+    M680?0:D-NIX:5.3:*)
+	echo m68k-diab-dnix
+	exit ;;
+    M68*:*:R3V[5678]*:*)
+	test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;;
+    3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0)
+	OS_REL=''
+	test -r /etc/.relid \
+	&& OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
+	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
+	  && { echo i486-ncr-sysv4.3"$OS_REL"; exit; }
+	/bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
+	  && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;;
+    3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*)
+	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
+	  && { echo i486-ncr-sysv4; exit; } ;;
+    NCR*:*:4.2:* | MPRAS*:*:4.2:*)
+	OS_REL='.3'
+	test -r /etc/.relid \
+	    && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
+	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
+	    && { echo i486-ncr-sysv4.3"$OS_REL"; exit; }
+	/bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
+	    && { echo i586-ncr-sysv4.3"$OS_REL"; exit; }
+	/bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \
+	    && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;;
+    m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*)
+	echo m68k-unknown-lynxos"$UNAME_RELEASE"
+	exit ;;
+    mc68030:UNIX_System_V:4.*:*)
+	echo m68k-atari-sysv4
+	exit ;;
+    TSUNAMI:LynxOS:2.*:*)
+	echo sparc-unknown-lynxos"$UNAME_RELEASE"
+	exit ;;
+    rs6000:LynxOS:2.*:*)
+	echo rs6000-unknown-lynxos"$UNAME_RELEASE"
+	exit ;;
+    PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*)
+	echo powerpc-unknown-lynxos"$UNAME_RELEASE"
+	exit ;;
+    SM[BE]S:UNIX_SV:*:*)
+	echo mips-dde-sysv"$UNAME_RELEASE"
+	exit ;;
+    RM*:ReliantUNIX-*:*:*)
+	echo mips-sni-sysv4
+	exit ;;
+    RM*:SINIX-*:*:*)
+	echo mips-sni-sysv4
+	exit ;;
+    *:SINIX-*:*:*)
+	if uname -p 2>/dev/null >/dev/null ; then
+		UNAME_MACHINE=`(uname -p) 2>/dev/null`
+		echo "$UNAME_MACHINE"-sni-sysv4
+	else
+		echo ns32k-sni-sysv
+	fi
+	exit ;;
+    PENTIUM:*:4.0*:*)	# Unisys `ClearPath HMP IX 4000' SVR4/MP effort
+			# says <Richard.M.Bartel@ccMail.Census.GOV>
+	echo i586-unisys-sysv4
+	exit ;;
+    *:UNIX_System_V:4*:FTX*)
+	# From Gerald Hewes <hewes@openmarket.com>.
+	# How about differentiating between stratus architectures? -djm
+	echo hppa1.1-stratus-sysv4
+	exit ;;
+    *:*:*:FTX*)
+	# From seanf@swdc.stratus.com.
+	echo i860-stratus-sysv4
+	exit ;;
+    i*86:VOS:*:*)
+	# From Paul.Green@stratus.com.
+	echo "$UNAME_MACHINE"-stratus-vos
+	exit ;;
+    *:VOS:*:*)
+	# From Paul.Green@stratus.com.
+	echo hppa1.1-stratus-vos
+	exit ;;
+    mc68*:A/UX:*:*)
+	echo m68k-apple-aux"$UNAME_RELEASE"
+	exit ;;
+    news*:NEWS-OS:6*:*)
+	echo mips-sony-newsos6
+	exit ;;
+    R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
+	if [ -d /usr/nec ]; then
+		echo mips-nec-sysv"$UNAME_RELEASE"
+	else
+		echo mips-unknown-sysv"$UNAME_RELEASE"
+	fi
+	exit ;;
+    BeBox:BeOS:*:*)	# BeOS running on hardware made by Be, PPC only.
+	echo powerpc-be-beos
+	exit ;;
+    BeMac:BeOS:*:*)	# BeOS running on Mac or Mac clone, PPC only.
+	echo powerpc-apple-beos
+	exit ;;
+    BePC:BeOS:*:*)	# BeOS running on Intel PC compatible.
+	echo i586-pc-beos
+	exit ;;
+    BePC:Haiku:*:*)	# Haiku running on Intel PC compatible.
+	echo i586-pc-haiku
+	exit ;;
+    x86_64:Haiku:*:*)
+	echo x86_64-unknown-haiku
+	exit ;;
+    SX-4:SUPER-UX:*:*)
+	echo sx4-nec-superux"$UNAME_RELEASE"
+	exit ;;
+    SX-5:SUPER-UX:*:*)
+	echo sx5-nec-superux"$UNAME_RELEASE"
+	exit ;;
+    SX-6:SUPER-UX:*:*)
+	echo sx6-nec-superux"$UNAME_RELEASE"
+	exit ;;
+    SX-7:SUPER-UX:*:*)
+	echo sx7-nec-superux"$UNAME_RELEASE"
+	exit ;;
+    SX-8:SUPER-UX:*:*)
+	echo sx8-nec-superux"$UNAME_RELEASE"
+	exit ;;
+    SX-8R:SUPER-UX:*:*)
+	echo sx8r-nec-superux"$UNAME_RELEASE"
+	exit ;;
+    SX-ACE:SUPER-UX:*:*)
+	echo sxace-nec-superux"$UNAME_RELEASE"
+	exit ;;
+    Power*:Rhapsody:*:*)
+	echo powerpc-apple-rhapsody"$UNAME_RELEASE"
+	exit ;;
+    *:Rhapsody:*:*)
+	echo "$UNAME_MACHINE"-apple-rhapsody"$UNAME_RELEASE"
+	exit ;;
+    *:Darwin:*:*)
+	UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown
+	eval "$set_cc_for_build"
+	if test "$UNAME_PROCESSOR" = unknown ; then
+	    UNAME_PROCESSOR=powerpc
+	fi
+	if test "`echo "$UNAME_RELEASE" | sed -e 's/\..*//'`" -le 10 ; then
+	    if [ "$CC_FOR_BUILD" != no_compiler_found ]; then
+		if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \
+		       (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
+		       grep IS_64BIT_ARCH >/dev/null
+		then
+		    case $UNAME_PROCESSOR in
+			i386) UNAME_PROCESSOR=x86_64 ;;
+			powerpc) UNAME_PROCESSOR=powerpc64 ;;
+		    esac
+		fi
+		# On 10.4-10.6 one might compile for PowerPC via gcc -arch ppc
+		if (echo '#ifdef __POWERPC__'; echo IS_PPC; echo '#endif') | \
+		       (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
+		       grep IS_PPC >/dev/null
+		then
+		    UNAME_PROCESSOR=powerpc
+		fi
+	    fi
+	elif test "$UNAME_PROCESSOR" = i386 ; then
+	    # Avoid executing cc on OS X 10.9, as it ships with a stub
+	    # that puts up a graphical alert prompting to install
+	    # developer tools.  Any system running Mac OS X 10.7 or
+	    # later (Darwin 11 and later) is required to have a 64-bit
+	    # processor. This is not true of the ARM version of Darwin
+	    # that Apple uses in portable devices.
+	    UNAME_PROCESSOR=x86_64
+	fi
+	echo "$UNAME_PROCESSOR"-apple-darwin"$UNAME_RELEASE"
+	exit ;;
+    *:procnto*:*:* | *:QNX:[0123456789]*:*)
+	UNAME_PROCESSOR=`uname -p`
+	if test "$UNAME_PROCESSOR" = x86; then
+		UNAME_PROCESSOR=i386
+		UNAME_MACHINE=pc
+	fi
+	echo "$UNAME_PROCESSOR"-"$UNAME_MACHINE"-nto-qnx"$UNAME_RELEASE"
+	exit ;;
+    *:QNX:*:4*)
+	echo i386-pc-qnx
+	exit ;;
+    NEO-*:NONSTOP_KERNEL:*:*)
+	echo neo-tandem-nsk"$UNAME_RELEASE"
+	exit ;;
+    NSE-*:NONSTOP_KERNEL:*:*)
+	echo nse-tandem-nsk"$UNAME_RELEASE"
+	exit ;;
+    NSR-*:NONSTOP_KERNEL:*:*)
+	echo nsr-tandem-nsk"$UNAME_RELEASE"
+	exit ;;
+    NSV-*:NONSTOP_KERNEL:*:*)
+	echo nsv-tandem-nsk"$UNAME_RELEASE"
+	exit ;;
+    NSX-*:NONSTOP_KERNEL:*:*)
+	echo nsx-tandem-nsk"$UNAME_RELEASE"
+	exit ;;
+    *:NonStop-UX:*:*)
+	echo mips-compaq-nonstopux
+	exit ;;
+    BS2000:POSIX*:*:*)
+	echo bs2000-siemens-sysv
+	exit ;;
+    DS/*:UNIX_System_V:*:*)
+	echo "$UNAME_MACHINE"-"$UNAME_SYSTEM"-"$UNAME_RELEASE"
+	exit ;;
+    *:Plan9:*:*)
+	# "uname -m" is not consistent, so use $cputype instead. 386
+	# is converted to i386 for consistency with other x86
+	# operating systems.
+	if test "$cputype" = 386; then
+	    UNAME_MACHINE=i386
+	else
+	    UNAME_MACHINE="$cputype"
+	fi
+	echo "$UNAME_MACHINE"-unknown-plan9
+	exit ;;
+    *:TOPS-10:*:*)
+	echo pdp10-unknown-tops10
+	exit ;;
+    *:TENEX:*:*)
+	echo pdp10-unknown-tenex
+	exit ;;
+    KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*)
+	echo pdp10-dec-tops20
+	exit ;;
+    XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*)
+	echo pdp10-xkl-tops20
+	exit ;;
+    *:TOPS-20:*:*)
+	echo pdp10-unknown-tops20
+	exit ;;
+    *:ITS:*:*)
+	echo pdp10-unknown-its
+	exit ;;
+    SEI:*:*:SEIUX)
+	echo mips-sei-seiux"$UNAME_RELEASE"
+	exit ;;
+    *:DragonFly:*:*)
+	echo "$UNAME_MACHINE"-unknown-dragonfly"`echo "$UNAME_RELEASE"|sed -e 's/[-(].*//'`"
+	exit ;;
+    *:*VMS:*:*)
+	UNAME_MACHINE=`(uname -p) 2>/dev/null`
+	case "$UNAME_MACHINE" in
+	    A*) echo alpha-dec-vms ; exit ;;
+	    I*) echo ia64-dec-vms ; exit ;;
+	    V*) echo vax-dec-vms ; exit ;;
+	esac ;;
+    *:XENIX:*:SysV)
+	echo i386-pc-xenix
+	exit ;;
+    i*86:skyos:*:*)
+	echo "$UNAME_MACHINE"-pc-skyos"`echo "$UNAME_RELEASE" | sed -e 's/ .*$//'`"
+	exit ;;
+    i*86:rdos:*:*)
+	echo "$UNAME_MACHINE"-pc-rdos
+	exit ;;
+    i*86:AROS:*:*)
+	echo "$UNAME_MACHINE"-pc-aros
+	exit ;;
+    x86_64:VMkernel:*:*)
+	echo "$UNAME_MACHINE"-unknown-esx
+	exit ;;
+    amd64:Isilon\ OneFS:*:*)
+	echo x86_64-unknown-onefs
+	exit ;;
+esac
+
+echo "$0: unable to guess system type" >&2
+
+case "$UNAME_MACHINE:$UNAME_SYSTEM" in
+    mips:Linux | mips64:Linux)
+	# If we got here on MIPS GNU/Linux, output extra information.
+	cat >&2 <<EOF
+
+NOTE: MIPS GNU/Linux systems require a C compiler to fully recognize
+the system type. Please install a C compiler and try again.
+EOF
+	;;
+esac
+
+cat >&2 <<EOF
+
+This script (version $timestamp), has failed to recognize the
+operating system you are using. If your script is old, overwrite *all*
+copies of config.guess and config.sub with the latest versions from:
+
+  https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess
+and
+  https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub
+
+If $0 has already been updated, send the following data and any
+information you think might be pertinent to config-patches@gnu.org to
+provide the necessary information to handle your system.
+
+config.guess timestamp = $timestamp
+
+uname -m = `(uname -m) 2>/dev/null || echo unknown`
+uname -r = `(uname -r) 2>/dev/null || echo unknown`
+uname -s = `(uname -s) 2>/dev/null || echo unknown`
+uname -v = `(uname -v) 2>/dev/null || echo unknown`
+
+/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null`
+/bin/uname -X     = `(/bin/uname -X) 2>/dev/null`
+
+hostinfo               = `(hostinfo) 2>/dev/null`
+/bin/universe          = `(/bin/universe) 2>/dev/null`
+/usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null`
+/bin/arch              = `(/bin/arch) 2>/dev/null`
+/usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null`
+/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null`
+
+UNAME_MACHINE = "$UNAME_MACHINE"
+UNAME_RELEASE = "$UNAME_RELEASE"
+UNAME_SYSTEM  = "$UNAME_SYSTEM"
+UNAME_VERSION = "$UNAME_VERSION"
+EOF
+
+exit 1
+
+# Local variables:
+# eval: (add-hook 'write-file-functions 'time-stamp)
+# time-stamp-start: "timestamp='"
+# time-stamp-format: "%:y-%02m-%02d"
+# time-stamp-end: "'"
+# End:
diff -Nru nodejs-12.22.5~dfsg/deps/cares/config.sub nodejs-12.22.12~dfsg/deps/cares/config.sub
--- nodejs-12.22.5~dfsg/deps/cares/config.sub	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/deps/cares/config.sub	2022-04-05 07:16:59.000000000 +0000
@@ -0,0 +1,1801 @@
+#! /bin/sh
+# Configuration validation subroutine script.
+#   Copyright 1992-2018 Free Software Foundation, Inc.
+
+timestamp='2018-02-22'
+
+# This file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <https://www.gnu.org/licenses/>.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that
+# program.  This Exception is an additional permission under section 7
+# of the GNU General Public License, version 3 ("GPLv3").
+
+
+# Please send patches to <config-patches@gnu.org>.
+#
+# Configuration subroutine to validate and canonicalize a configuration type.
+# Supply the specified configuration type as an argument.
+# If it is invalid, we print an error message on stderr and exit with code 1.
+# Otherwise, we print the canonical config type on stdout and succeed.
+
+# You can get the latest version of this script from:
+# https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub
+
+# This file is supposed to be the same for all GNU packages
+# and recognize all the CPU types, system types and aliases
+# that are meaningful with *any* GNU software.
+# Each package is responsible for reporting which valid configurations
+# it does not support.  The user should be able to distinguish
+# a failure to support a valid configuration from a meaningless
+# configuration.
+
+# The goal of this file is to map all the various variations of a given
+# machine specification into a single specification in the form:
+#	CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
+# or in some cases, the newer four-part form:
+#	CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
+# It is wrong to echo any other type of specification.
+
+me=`echo "$0" | sed -e 's,.*/,,'`
+
+usage="\
+Usage: $0 [OPTION] CPU-MFR-OPSYS or ALIAS
+
+Canonicalize a configuration name.
+
+Options:
+  -h, --help         print this help, then exit
+  -t, --time-stamp   print date of last modification, then exit
+  -v, --version      print version number, then exit
+
+Report bugs and patches to <config-patches@gnu.org>."
+
+version="\
+GNU config.sub ($timestamp)
+
+Copyright 1992-2018 Free Software Foundation, Inc.
+
+This is free software; see the source for copying conditions.  There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
+
+help="
+Try \`$me --help' for more information."
+
+# Parse command line
+while test $# -gt 0 ; do
+  case $1 in
+    --time-stamp | --time* | -t )
+       echo "$timestamp" ; exit ;;
+    --version | -v )
+       echo "$version" ; exit ;;
+    --help | --h* | -h )
+       echo "$usage"; exit ;;
+    -- )     # Stop option processing
+       shift; break ;;
+    - )	# Use stdin as input.
+       break ;;
+    -* )
+       echo "$me: invalid option $1$help"
+       exit 1 ;;
+
+    *local*)
+       # First pass through any local machine types.
+       echo "$1"
+       exit ;;
+
+    * )
+       break ;;
+  esac
+done
+
+case $# in
+ 0) echo "$me: missing argument$help" >&2
+    exit 1;;
+ 1) ;;
+ *) echo "$me: too many arguments$help" >&2
+    exit 1;;
+esac
+
+# Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any).
+# Here we must recognize all the valid KERNEL-OS combinations.
+maybe_os=`echo "$1" | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
+case $maybe_os in
+  nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \
+  linux-musl* | linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \
+  knetbsd*-gnu* | netbsd*-gnu* | netbsd*-eabi* | \
+  kopensolaris*-gnu* | cloudabi*-eabi* | \
+  storm-chaos* | os2-emx* | rtmk-nova*)
+    os=-$maybe_os
+    basic_machine=`echo "$1" | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
+    ;;
+  android-linux)
+    os=-linux-android
+    basic_machine=`echo "$1" | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown
+    ;;
+  *)
+    basic_machine=`echo "$1" | sed 's/-[^-]*$//'`
+    if [ "$basic_machine" != "$1" ]
+    then os=`echo "$1" | sed 's/.*-/-/'`
+    else os=; fi
+    ;;
+esac
+
+### Let's recognize common machines as not being operating systems so
+### that things like config.sub decstation-3100 work.  We also
+### recognize some manufacturers as not being operating systems, so we
+### can provide default operating systems below.
+case $os in
+	-sun*os*)
+		# Prevent following clause from handling this invalid input.
+		;;
+	-dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \
+	-att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \
+	-unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \
+	-convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
+	-c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
+	-harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \
+	-apple | -axis | -knuth | -cray | -microblaze*)
+		os=
+		basic_machine=$1
+		;;
+	-bluegene*)
+		os=-cnk
+		;;
+	-sim | -cisco | -oki | -wec | -winbond)
+		os=
+		basic_machine=$1
+		;;
+	-scout)
+		;;
+	-wrs)
+		os=-vxworks
+		basic_machine=$1
+		;;
+	-chorusos*)
+		os=-chorusos
+		basic_machine=$1
+		;;
+	-chorusrdb)
+		os=-chorusrdb
+		basic_machine=$1
+		;;
+	-hiux*)
+		os=-hiuxwe2
+		;;
+	-sco6)
+		os=-sco5v6
+		basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'`
+		;;
+	-sco5)
+		os=-sco3.2v5
+		basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'`
+		;;
+	-sco4)
+		os=-sco3.2v4
+		basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'`
+		;;
+	-sco3.2.[4-9]*)
+		os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
+		basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'`
+		;;
+	-sco3.2v[4-9]*)
+		# Don't forget version if it is 3.2v4 or newer.
+		basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'`
+		;;
+	-sco5v6*)
+		# Don't forget version if it is 3.2v4 or newer.
+		basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'`
+		;;
+	-sco*)
+		os=-sco3.2v2
+		basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'`
+		;;
+	-udk*)
+		basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'`
+		;;
+	-isc)
+		os=-isc2.2
+		basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'`
+		;;
+	-clix*)
+		basic_machine=clipper-intergraph
+		;;
+	-isc*)
+		basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'`
+		;;
+	-lynx*178)
+		os=-lynxos178
+		;;
+	-lynx*5)
+		os=-lynxos5
+		;;
+	-lynx*)
+		os=-lynxos
+		;;
+	-ptx*)
+		basic_machine=`echo "$1" | sed -e 's/86-.*/86-sequent/'`
+		;;
+	-psos*)
+		os=-psos
+		;;
+	-mint | -mint[0-9]*)
+		basic_machine=m68k-atari
+		os=-mint
+		;;
+esac
+
+# Decode aliases for certain CPU-COMPANY combinations.
+case $basic_machine in
+	# Recognize the basic CPU types without company name.
+	# Some are omitted here because they have special meanings below.
+	1750a | 580 \
+	| a29k \
+	| aarch64 | aarch64_be \
+	| alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
+	| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
+	| am33_2.0 \
+	| arc | arceb \
+	| arm | arm[bl]e | arme[lb] | armv[2-8] | armv[3-8][lb] | armv7[arm] \
+	| avr | avr32 \
+	| ba \
+	| be32 | be64 \
+	| bfin \
+	| c4x | c8051 | clipper \
+	| d10v | d30v | dlx | dsp16xx \
+	| e2k | epiphany \
+	| fido | fr30 | frv | ft32 \
+	| h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
+	| hexagon \
+	| i370 | i860 | i960 | ia16 | ia64 \
+	| ip2k | iq2000 \
+	| k1om \
+	| le32 | le64 \
+	| lm32 \
+	| m32c | m32r | m32rle | m68000 | m68k | m88k \
+	| maxq | mb | microblaze | microblazeel | mcore | mep | metag \
+	| mips | mipsbe | mipseb | mipsel | mipsle \
+	| mips16 \
+	| mips64 | mips64el \
+	| mips64octeon | mips64octeonel \
+	| mips64orion | mips64orionel \
+	| mips64r5900 | mips64r5900el \
+	| mips64vr | mips64vrel \
+	| mips64vr4100 | mips64vr4100el \
+	| mips64vr4300 | mips64vr4300el \
+	| mips64vr5000 | mips64vr5000el \
+	| mips64vr5900 | mips64vr5900el \
+	| mipsisa32 | mipsisa32el \
+	| mipsisa32r2 | mipsisa32r2el \
+	| mipsisa32r6 | mipsisa32r6el \
+	| mipsisa64 | mipsisa64el \
+	| mipsisa64r2 | mipsisa64r2el \
+	| mipsisa64r6 | mipsisa64r6el \
+	| mipsisa64sb1 | mipsisa64sb1el \
+	| mipsisa64sr71k | mipsisa64sr71kel \
+	| mipsr5900 | mipsr5900el \
+	| mipstx39 | mipstx39el \
+	| mn10200 | mn10300 \
+	| moxie \
+	| mt \
+	| msp430 \
+	| nds32 | nds32le | nds32be \
+	| nios | nios2 | nios2eb | nios2el \
+	| ns16k | ns32k \
+	| open8 | or1k | or1knd | or32 \
+	| pdp10 | pj | pjl \
+	| powerpc | powerpc64 | powerpc64le | powerpcle \
+	| pru \
+	| pyramid \
+	| riscv32 | riscv64 \
+	| rl78 | rx \
+	| score \
+	| sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[234]eb | sheb | shbe | shle | sh[1234]le | sh3ele \
+	| sh64 | sh64le \
+	| sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \
+	| sparcv8 | sparcv9 | sparcv9b | sparcv9v \
+	| spu \
+	| tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \
+	| ubicom32 \
+	| v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \
+	| visium \
+	| wasm32 \
+	| x86 | xc16x | xstormy16 | xtensa \
+	| z8k | z80)
+		basic_machine=$basic_machine-unknown
+		;;
+	c54x)
+		basic_machine=tic54x-unknown
+		;;
+	c55x)
+		basic_machine=tic55x-unknown
+		;;
+	c6x)
+		basic_machine=tic6x-unknown
+		;;
+	leon|leon[3-9])
+		basic_machine=sparc-$basic_machine
+		;;
+	m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | nvptx | picochip)
+		basic_machine=$basic_machine-unknown
+		os=-none
+		;;
+	m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65)
+		;;
+	ms1)
+		basic_machine=mt-unknown
+		;;
+
+	strongarm | thumb | xscale)
+		basic_machine=arm-unknown
+		;;
+	xgate)
+		basic_machine=$basic_machine-unknown
+		os=-none
+		;;
+	xscaleeb)
+		basic_machine=armeb-unknown
+		;;
+
+	xscaleel)
+		basic_machine=armel-unknown
+		;;
+
+	# We use `pc' rather than `unknown'
+	# because (1) that's what they normally are, and
+	# (2) the word "unknown" tends to confuse beginning users.
+	i*86 | x86_64)
+	  basic_machine=$basic_machine-pc
+	  ;;
+	# Object if more than one company name word.
+	*-*-*)
+		echo Invalid configuration \`"$1"\': machine \`"$basic_machine"\' not recognized 1>&2
+		exit 1
+		;;
+	# Recognize the basic CPU types with company name.
+	580-* \
+	| a29k-* \
+	| aarch64-* | aarch64_be-* \
+	| alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \
+	| alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \
+	| alphapca5[67]-* | alpha64pca5[67]-* | arc-* | arceb-* \
+	| arm-*  | armbe-* | armle-* | armeb-* | armv*-* \
+	| avr-* | avr32-* \
+	| ba-* \
+	| be32-* | be64-* \
+	| bfin-* | bs2000-* \
+	| c[123]* | c30-* | [cjt]90-* | c4x-* \
+	| c8051-* | clipper-* | craynv-* | cydra-* \
+	| d10v-* | d30v-* | dlx-* \
+	| e2k-* | elxsi-* \
+	| f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \
+	| h8300-* | h8500-* \
+	| hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \
+	| hexagon-* \
+	| i*86-* | i860-* | i960-* | ia16-* | ia64-* \
+	| ip2k-* | iq2000-* \
+	| k1om-* \
+	| le32-* | le64-* \
+	| lm32-* \
+	| m32c-* | m32r-* | m32rle-* \
+	| m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \
+	| m88110-* | m88k-* | maxq-* | mcore-* | metag-* \
+	| microblaze-* | microblazeel-* \
+	| mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \
+	| mips16-* \
+	| mips64-* | mips64el-* \
+	| mips64octeon-* | mips64octeonel-* \
+	| mips64orion-* | mips64orionel-* \
+	| mips64r5900-* | mips64r5900el-* \
+	| mips64vr-* | mips64vrel-* \
+	| mips64vr4100-* | mips64vr4100el-* \
+	| mips64vr4300-* | mips64vr4300el-* \
+	| mips64vr5000-* | mips64vr5000el-* \
+	| mips64vr5900-* | mips64vr5900el-* \
+	| mipsisa32-* | mipsisa32el-* \
+	| mipsisa32r2-* | mipsisa32r2el-* \
+	| mipsisa32r6-* | mipsisa32r6el-* \
+	| mipsisa64-* | mipsisa64el-* \
+	| mipsisa64r2-* | mipsisa64r2el-* \
+	| mipsisa64r6-* | mipsisa64r6el-* \
+	| mipsisa64sb1-* | mipsisa64sb1el-* \
+	| mipsisa64sr71k-* | mipsisa64sr71kel-* \
+	| mipsr5900-* | mipsr5900el-* \
+	| mipstx39-* | mipstx39el-* \
+	| mmix-* \
+	| mt-* \
+	| msp430-* \
+	| nds32-* | nds32le-* | nds32be-* \
+	| nios-* | nios2-* | nios2eb-* | nios2el-* \
+	| none-* | np1-* | ns16k-* | ns32k-* \
+	| open8-* \
+	| or1k*-* \
+	| orion-* \
+	| pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \
+	| powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \
+	| pru-* \
+	| pyramid-* \
+	| riscv32-* | riscv64-* \
+	| rl78-* | romp-* | rs6000-* | rx-* \
+	| sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \
+	| shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \
+	| sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \
+	| sparclite-* \
+	| sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx*-* \
+	| tahoe-* \
+	| tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \
+	| tile*-* \
+	| tron-* \
+	| ubicom32-* \
+	| v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \
+	| vax-* \
+	| visium-* \
+	| wasm32-* \
+	| we32k-* \
+	| x86-* | x86_64-* | xc16x-* | xps100-* \
+	| xstormy16-* | xtensa*-* \
+	| ymp-* \
+	| z8k-* | z80-*)
+		;;
+	# Recognize the basic CPU types without company name, with glob match.
+	xtensa*)
+		basic_machine=$basic_machine-unknown
+		;;
+	# Recognize the various machine names and aliases which stand
+	# for a CPU type and a company and sometimes even an OS.
+	386bsd)
+		basic_machine=i386-pc
+		os=-bsd
+		;;
+	3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
+		basic_machine=m68000-att
+		;;
+	3b*)
+		basic_machine=we32k-att
+		;;
+	a29khif)
+		basic_machine=a29k-amd
+		os=-udi
+		;;
+	abacus)
+		basic_machine=abacus-unknown
+		;;
+	adobe68k)
+		basic_machine=m68010-adobe
+		os=-scout
+		;;
+	alliant | fx80)
+		basic_machine=fx80-alliant
+		;;
+	altos | altos3068)
+		basic_machine=m68k-altos
+		;;
+	am29k)
+		basic_machine=a29k-none
+		os=-bsd
+		;;
+	amd64)
+		basic_machine=x86_64-pc
+		;;
+	amd64-*)
+		basic_machine=x86_64-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+		;;
+	amdahl)
+		basic_machine=580-amdahl
+		os=-sysv
+		;;
+	amiga | amiga-*)
+		basic_machine=m68k-unknown
+		;;
+	amigaos | amigados)
+		basic_machine=m68k-unknown
+		os=-amigaos
+		;;
+	amigaunix | amix)
+		basic_machine=m68k-unknown
+		os=-sysv4
+		;;
+	apollo68)
+		basic_machine=m68k-apollo
+		os=-sysv
+		;;
+	apollo68bsd)
+		basic_machine=m68k-apollo
+		os=-bsd
+		;;
+	aros)
+		basic_machine=i386-pc
+		os=-aros
+		;;
+	asmjs)
+		basic_machine=asmjs-unknown
+		;;
+	aux)
+		basic_machine=m68k-apple
+		os=-aux
+		;;
+	balance)
+		basic_machine=ns32k-sequent
+		os=-dynix
+		;;
+	blackfin)
+		basic_machine=bfin-unknown
+		os=-linux
+		;;
+	blackfin-*)
+		basic_machine=bfin-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+		os=-linux
+		;;
+	bluegene*)
+		basic_machine=powerpc-ibm
+		os=-cnk
+		;;
+	c54x-*)
+		basic_machine=tic54x-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+		;;
+	c55x-*)
+		basic_machine=tic55x-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+		;;
+	c6x-*)
+		basic_machine=tic6x-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+		;;
+	c90)
+		basic_machine=c90-cray
+		os=-unicos
+		;;
+	cegcc)
+		basic_machine=arm-unknown
+		os=-cegcc
+		;;
+	convex-c1)
+		basic_machine=c1-convex
+		os=-bsd
+		;;
+	convex-c2)
+		basic_machine=c2-convex
+		os=-bsd
+		;;
+	convex-c32)
+		basic_machine=c32-convex
+		os=-bsd
+		;;
+	convex-c34)
+		basic_machine=c34-convex
+		os=-bsd
+		;;
+	convex-c38)
+		basic_machine=c38-convex
+		os=-bsd
+		;;
+	cray | j90)
+		basic_machine=j90-cray
+		os=-unicos
+		;;
+	craynv)
+		basic_machine=craynv-cray
+		os=-unicosmp
+		;;
+	cr16 | cr16-*)
+		basic_machine=cr16-unknown
+		os=-elf
+		;;
+	crds | unos)
+		basic_machine=m68k-crds
+		;;
+	crisv32 | crisv32-* | etraxfs*)
+		basic_machine=crisv32-axis
+		;;
+	cris | cris-* | etrax*)
+		basic_machine=cris-axis
+		;;
+	crx)
+		basic_machine=crx-unknown
+		os=-elf
+		;;
+	da30 | da30-*)
+		basic_machine=m68k-da30
+		;;
+	decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
+		basic_machine=mips-dec
+		;;
+	decsystem10* | dec10*)
+		basic_machine=pdp10-dec
+		os=-tops10
+		;;
+	decsystem20* | dec20*)
+		basic_machine=pdp10-dec
+		os=-tops20
+		;;
+	delta | 3300 | motorola-3300 | motorola-delta \
+	      | 3300-motorola | delta-motorola)
+		basic_machine=m68k-motorola
+		;;
+	delta88)
+		basic_machine=m88k-motorola
+		os=-sysv3
+		;;
+	dicos)
+		basic_machine=i686-pc
+		os=-dicos
+		;;
+	djgpp)
+		basic_machine=i586-pc
+		os=-msdosdjgpp
+		;;
+	dpx20 | dpx20-*)
+		basic_machine=rs6000-bull
+		os=-bosx
+		;;
+	dpx2*)
+		basic_machine=m68k-bull
+		os=-sysv3
+		;;
+	e500v[12])
+		basic_machine=powerpc-unknown
+		os=$os"spe"
+		;;
+	e500v[12]-*)
+		basic_machine=powerpc-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+		os=$os"spe"
+		;;
+	ebmon29k)
+		basic_machine=a29k-amd
+		os=-ebmon
+		;;
+	elxsi)
+		basic_machine=elxsi-elxsi
+		os=-bsd
+		;;
+	encore | umax | mmax)
+		basic_machine=ns32k-encore
+		;;
+	es1800 | OSE68k | ose68k | ose | OSE)
+		basic_machine=m68k-ericsson
+		os=-ose
+		;;
+	fx2800)
+		basic_machine=i860-alliant
+		;;
+	genix)
+		basic_machine=ns32k-ns
+		;;
+	gmicro)
+		basic_machine=tron-gmicro
+		os=-sysv
+		;;
+	go32)
+		basic_machine=i386-pc
+		os=-go32
+		;;
+	h3050r* | hiux*)
+		basic_machine=hppa1.1-hitachi
+		os=-hiuxwe2
+		;;
+	h8300hms)
+		basic_machine=h8300-hitachi
+		os=-hms
+		;;
+	h8300xray)
+		basic_machine=h8300-hitachi
+		os=-xray
+		;;
+	h8500hms)
+		basic_machine=h8500-hitachi
+		os=-hms
+		;;
+	harris)
+		basic_machine=m88k-harris
+		os=-sysv3
+		;;
+	hp300-*)
+		basic_machine=m68k-hp
+		;;
+	hp300bsd)
+		basic_machine=m68k-hp
+		os=-bsd
+		;;
+	hp300hpux)
+		basic_machine=m68k-hp
+		os=-hpux
+		;;
+	hp3k9[0-9][0-9] | hp9[0-9][0-9])
+		basic_machine=hppa1.0-hp
+		;;
+	hp9k2[0-9][0-9] | hp9k31[0-9])
+		basic_machine=m68000-hp
+		;;
+	hp9k3[2-9][0-9])
+		basic_machine=m68k-hp
+		;;
+	hp9k6[0-9][0-9] | hp6[0-9][0-9])
+		basic_machine=hppa1.0-hp
+		;;
+	hp9k7[0-79][0-9] | hp7[0-79][0-9])
+		basic_machine=hppa1.1-hp
+		;;
+	hp9k78[0-9] | hp78[0-9])
+		# FIXME: really hppa2.0-hp
+		basic_machine=hppa1.1-hp
+		;;
+	hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893)
+		# FIXME: really hppa2.0-hp
+		basic_machine=hppa1.1-hp
+		;;
+	hp9k8[0-9][13679] | hp8[0-9][13679])
+		basic_machine=hppa1.1-hp
+		;;
+	hp9k8[0-9][0-9] | hp8[0-9][0-9])
+		basic_machine=hppa1.0-hp
+		;;
+	hppaosf)
+		basic_machine=hppa1.1-hp
+		os=-osf
+		;;
+	hppro)
+		basic_machine=hppa1.1-hp
+		os=-proelf
+		;;
+	i370-ibm* | ibm*)
+		basic_machine=i370-ibm
+		;;
+	i*86v32)
+		basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'`
+		os=-sysv32
+		;;
+	i*86v4*)
+		basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'`
+		os=-sysv4
+		;;
+	i*86v)
+		basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'`
+		os=-sysv
+		;;
+	i*86sol2)
+		basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'`
+		os=-solaris2
+		;;
+	i386mach)
+		basic_machine=i386-mach
+		os=-mach
+		;;
+	vsta)
+		basic_machine=i386-unknown
+		os=-vsta
+		;;
+	iris | iris4d)
+		basic_machine=mips-sgi
+		case $os in
+		    -irix*)
+			;;
+		    *)
+			os=-irix4
+			;;
+		esac
+		;;
+	isi68 | isi)
+		basic_machine=m68k-isi
+		os=-sysv
+		;;
+	leon-*|leon[3-9]-*)
+		basic_machine=sparc-`echo "$basic_machine" | sed 's/-.*//'`
+		;;
+	m68knommu)
+		basic_machine=m68k-unknown
+		os=-linux
+		;;
+	m68knommu-*)
+		basic_machine=m68k-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+		os=-linux
+		;;
+	magnum | m3230)
+		basic_machine=mips-mips
+		os=-sysv
+		;;
+	merlin)
+		basic_machine=ns32k-utek
+		os=-sysv
+		;;
+	microblaze*)
+		basic_machine=microblaze-xilinx
+		;;
+	mingw64)
+		basic_machine=x86_64-pc
+		os=-mingw64
+		;;
+	mingw32)
+		basic_machine=i686-pc
+		os=-mingw32
+		;;
+	mingw32ce)
+		basic_machine=arm-unknown
+		os=-mingw32ce
+		;;
+	miniframe)
+		basic_machine=m68000-convergent
+		;;
+	*mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*)
+		basic_machine=m68k-atari
+		os=-mint
+		;;
+	mips3*-*)
+		basic_machine=`echo "$basic_machine" | sed -e 's/mips3/mips64/'`
+		;;
+	mips3*)
+		basic_machine=`echo "$basic_machine" | sed -e 's/mips3/mips64/'`-unknown
+		;;
+	monitor)
+		basic_machine=m68k-rom68k
+		os=-coff
+		;;
+	morphos)
+		basic_machine=powerpc-unknown
+		os=-morphos
+		;;
+	moxiebox)
+		basic_machine=moxie-unknown
+		os=-moxiebox
+		;;
+	msdos)
+		basic_machine=i386-pc
+		os=-msdos
+		;;
+	ms1-*)
+		basic_machine=`echo "$basic_machine" | sed -e 's/ms1-/mt-/'`
+		;;
+	msys)
+		basic_machine=i686-pc
+		os=-msys
+		;;
+	mvs)
+		basic_machine=i370-ibm
+		os=-mvs
+		;;
+	nacl)
+		basic_machine=le32-unknown
+		os=-nacl
+		;;
+	ncr3000)
+		basic_machine=i486-ncr
+		os=-sysv4
+		;;
+	netbsd386)
+		basic_machine=i386-unknown
+		os=-netbsd
+		;;
+	netwinder)
+		basic_machine=armv4l-rebel
+		os=-linux
+		;;
+	news | news700 | news800 | news900)
+		basic_machine=m68k-sony
+		os=-newsos
+		;;
+	news1000)
+		basic_machine=m68030-sony
+		os=-newsos
+		;;
+	news-3600 | risc-news)
+		basic_machine=mips-sony
+		os=-newsos
+		;;
+	necv70)
+		basic_machine=v70-nec
+		os=-sysv
+		;;
+	next | m*-next)
+		basic_machine=m68k-next
+		case $os in
+		    -nextstep* )
+			;;
+		    -ns2*)
+		      os=-nextstep2
+			;;
+		    *)
+		      os=-nextstep3
+			;;
+		esac
+		;;
+	nh3000)
+		basic_machine=m68k-harris
+		os=-cxux
+		;;
+	nh[45]000)
+		basic_machine=m88k-harris
+		os=-cxux
+		;;
+	nindy960)
+		basic_machine=i960-intel
+		os=-nindy
+		;;
+	mon960)
+		basic_machine=i960-intel
+		os=-mon960
+		;;
+	nonstopux)
+		basic_machine=mips-compaq
+		os=-nonstopux
+		;;
+	np1)
+		basic_machine=np1-gould
+		;;
+	neo-tandem)
+		basic_machine=neo-tandem
+		;;
+	nse-tandem)
+		basic_machine=nse-tandem
+		;;
+	nsr-tandem)
+		basic_machine=nsr-tandem
+		;;
+	nsv-tandem)
+		basic_machine=nsv-tandem
+		;;
+	nsx-tandem)
+		basic_machine=nsx-tandem
+		;;
+	op50n-* | op60c-*)
+		basic_machine=hppa1.1-oki
+		os=-proelf
+		;;
+	openrisc | openrisc-*)
+		basic_machine=or32-unknown
+		;;
+	os400)
+		basic_machine=powerpc-ibm
+		os=-os400
+		;;
+	OSE68000 | ose68000)
+		basic_machine=m68000-ericsson
+		os=-ose
+		;;
+	os68k)
+		basic_machine=m68k-none
+		os=-os68k
+		;;
+	pa-hitachi)
+		basic_machine=hppa1.1-hitachi
+		os=-hiuxwe2
+		;;
+	paragon)
+		basic_machine=i860-intel
+		os=-osf
+		;;
+	parisc)
+		basic_machine=hppa-unknown
+		os=-linux
+		;;
+	parisc-*)
+		basic_machine=hppa-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+		os=-linux
+		;;
+	pbd)
+		basic_machine=sparc-tti
+		;;
+	pbb)
+		basic_machine=m68k-tti
+		;;
+	pc532 | pc532-*)
+		basic_machine=ns32k-pc532
+		;;
+	pc98)
+		basic_machine=i386-pc
+		;;
+	pc98-*)
+		basic_machine=i386-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+		;;
+	pentium | p5 | k5 | k6 | nexgen | viac3)
+		basic_machine=i586-pc
+		;;
+	pentiumpro | p6 | 6x86 | athlon | athlon_*)
+		basic_machine=i686-pc
+		;;
+	pentiumii | pentium2 | pentiumiii | pentium3)
+		basic_machine=i686-pc
+		;;
+	pentium4)
+		basic_machine=i786-pc
+		;;
+	pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
+		basic_machine=i586-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+		;;
+	pentiumpro-* | p6-* | 6x86-* | athlon-*)
+		basic_machine=i686-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+		;;
+	pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
+		basic_machine=i686-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+		;;
+	pentium4-*)
+		basic_machine=i786-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+		;;
+	pn)
+		basic_machine=pn-gould
+		;;
+	power)	basic_machine=power-ibm
+		;;
+	ppc | ppcbe)	basic_machine=powerpc-unknown
+		;;
+	ppc-* | ppcbe-*)
+		basic_machine=powerpc-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+		;;
+	ppcle | powerpclittle)
+		basic_machine=powerpcle-unknown
+		;;
+	ppcle-* | powerpclittle-*)
+		basic_machine=powerpcle-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+		;;
+	ppc64)	basic_machine=powerpc64-unknown
+		;;
+	ppc64-*) basic_machine=powerpc64-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+		;;
+	ppc64le | powerpc64little)
+		basic_machine=powerpc64le-unknown
+		;;
+	ppc64le-* | powerpc64little-*)
+		basic_machine=powerpc64le-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+		;;
+	ps2)
+		basic_machine=i386-ibm
+		;;
+	pw32)
+		basic_machine=i586-unknown
+		os=-pw32
+		;;
+	rdos | rdos64)
+		basic_machine=x86_64-pc
+		os=-rdos
+		;;
+	rdos32)
+		basic_machine=i386-pc
+		os=-rdos
+		;;
+	rom68k)
+		basic_machine=m68k-rom68k
+		os=-coff
+		;;
+	rm[46]00)
+		basic_machine=mips-siemens
+		;;
+	rtpc | rtpc-*)
+		basic_machine=romp-ibm
+		;;
+	s390 | s390-*)
+		basic_machine=s390-ibm
+		;;
+	s390x | s390x-*)
+		basic_machine=s390x-ibm
+		;;
+	sa29200)
+		basic_machine=a29k-amd
+		os=-udi
+		;;
+	sb1)
+		basic_machine=mipsisa64sb1-unknown
+		;;
+	sb1el)
+		basic_machine=mipsisa64sb1el-unknown
+		;;
+	sde)
+		basic_machine=mipsisa32-sde
+		os=-elf
+		;;
+	sei)
+		basic_machine=mips-sei
+		os=-seiux
+		;;
+	sequent)
+		basic_machine=i386-sequent
+		;;
+	sh5el)
+		basic_machine=sh5le-unknown
+		;;
+	simso-wrs)
+		basic_machine=sparclite-wrs
+		os=-vxworks
+		;;
+	sps7)
+		basic_machine=m68k-bull
+		os=-sysv2
+		;;
+	spur)
+		basic_machine=spur-unknown
+		;;
+	st2000)
+		basic_machine=m68k-tandem
+		;;
+	stratus)
+		basic_machine=i860-stratus
+		os=-sysv4
+		;;
+	strongarm-* | thumb-*)
+		basic_machine=arm-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+		;;
+	sun2)
+		basic_machine=m68000-sun
+		;;
+	sun2os3)
+		basic_machine=m68000-sun
+		os=-sunos3
+		;;
+	sun2os4)
+		basic_machine=m68000-sun
+		os=-sunos4
+		;;
+	sun3os3)
+		basic_machine=m68k-sun
+		os=-sunos3
+		;;
+	sun3os4)
+		basic_machine=m68k-sun
+		os=-sunos4
+		;;
+	sun4os3)
+		basic_machine=sparc-sun
+		os=-sunos3
+		;;
+	sun4os4)
+		basic_machine=sparc-sun
+		os=-sunos4
+		;;
+	sun4sol2)
+		basic_machine=sparc-sun
+		os=-solaris2
+		;;
+	sun3 | sun3-*)
+		basic_machine=m68k-sun
+		;;
+	sun4)
+		basic_machine=sparc-sun
+		;;
+	sun386 | sun386i | roadrunner)
+		basic_machine=i386-sun
+		;;
+	sv1)
+		basic_machine=sv1-cray
+		os=-unicos
+		;;
+	symmetry)
+		basic_machine=i386-sequent
+		os=-dynix
+		;;
+	t3e)
+		basic_machine=alphaev5-cray
+		os=-unicos
+		;;
+	t90)
+		basic_machine=t90-cray
+		os=-unicos
+		;;
+	tile*)
+		basic_machine=$basic_machine-unknown
+		os=-linux-gnu
+		;;
+	tx39)
+		basic_machine=mipstx39-unknown
+		;;
+	tx39el)
+		basic_machine=mipstx39el-unknown
+		;;
+	toad1)
+		basic_machine=pdp10-xkl
+		os=-tops20
+		;;
+	tower | tower-32)
+		basic_machine=m68k-ncr
+		;;
+	tpf)
+		basic_machine=s390x-ibm
+		os=-tpf
+		;;
+	udi29k)
+		basic_machine=a29k-amd
+		os=-udi
+		;;
+	ultra3)
+		basic_machine=a29k-nyu
+		os=-sym1
+		;;
+	v810 | necv810)
+		basic_machine=v810-nec
+		os=-none
+		;;
+	vaxv)
+		basic_machine=vax-dec
+		os=-sysv
+		;;
+	vms)
+		basic_machine=vax-dec
+		os=-vms
+		;;
+	vpp*|vx|vx-*)
+		basic_machine=f301-fujitsu
+		;;
+	vxworks960)
+		basic_machine=i960-wrs
+		os=-vxworks
+		;;
+	vxworks68)
+		basic_machine=m68k-wrs
+		os=-vxworks
+		;;
+	vxworks29k)
+		basic_machine=a29k-wrs
+		os=-vxworks
+		;;
+	w65*)
+		basic_machine=w65-wdc
+		os=-none
+		;;
+	w89k-*)
+		basic_machine=hppa1.1-winbond
+		os=-proelf
+		;;
+	x64)
+		basic_machine=x86_64-pc
+		;;
+	xbox)
+		basic_machine=i686-pc
+		os=-mingw32
+		;;
+	xps | xps100)
+		basic_machine=xps100-honeywell
+		;;
+	xscale-* | xscalee[bl]-*)
+		basic_machine=`echo "$basic_machine" | sed 's/^xscale/arm/'`
+		;;
+	ymp)
+		basic_machine=ymp-cray
+		os=-unicos
+		;;
+	none)
+		basic_machine=none-none
+		os=-none
+		;;
+
+# Here we handle the default manufacturer of certain CPU types.  It is in
+# some cases the only manufacturer, in others, it is the most popular.
+	w89k)
+		basic_machine=hppa1.1-winbond
+		;;
+	op50n)
+		basic_machine=hppa1.1-oki
+		;;
+	op60c)
+		basic_machine=hppa1.1-oki
+		;;
+	romp)
+		basic_machine=romp-ibm
+		;;
+	mmix)
+		basic_machine=mmix-knuth
+		;;
+	rs6000)
+		basic_machine=rs6000-ibm
+		;;
+	vax)
+		basic_machine=vax-dec
+		;;
+	pdp11)
+		basic_machine=pdp11-dec
+		;;
+	we32k)
+		basic_machine=we32k-att
+		;;
+	sh[1234] | sh[24]a | sh[24]aeb | sh[34]eb | sh[1234]le | sh[23]ele)
+		basic_machine=sh-unknown
+		;;
+	cydra)
+		basic_machine=cydra-cydrome
+		;;
+	orion)
+		basic_machine=orion-highlevel
+		;;
+	orion105)
+		basic_machine=clipper-highlevel
+		;;
+	mac | mpw | mac-mpw)
+		basic_machine=m68k-apple
+		;;
+	pmac | pmac-mpw)
+		basic_machine=powerpc-apple
+		;;
+	*-unknown)
+		# Make sure to match an already-canonicalized machine name.
+		;;
+	*)
+		echo Invalid configuration \`"$1"\': machine \`"$basic_machine"\' not recognized 1>&2
+		exit 1
+		;;
+esac
+
+# Here we canonicalize certain aliases for manufacturers.
+case $basic_machine in
+	*-digital*)
+		basic_machine=`echo "$basic_machine" | sed 's/digital.*/dec/'`
+		;;
+	*-commodore*)
+		basic_machine=`echo "$basic_machine" | sed 's/commodore.*/cbm/'`
+		;;
+	*)
+		;;
+esac
+
+# Decode manufacturer-specific aliases for certain operating systems.
+
+if [ x"$os" != x"" ]
+then
+case $os in
+	# First match some system type aliases that might get confused
+	# with valid system types.
+	# -solaris* is a basic system type, with this one exception.
+	-auroraux)
+		os=-auroraux
+		;;
+	-solaris1 | -solaris1.*)
+		os=`echo $os | sed -e 's|solaris1|sunos4|'`
+		;;
+	-solaris)
+		os=-solaris2
+		;;
+	-unixware*)
+		os=-sysv4.2uw
+		;;
+	-gnu/linux*)
+		os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
+		;;
+	# es1800 is here to avoid being matched by es* (a different OS)
+	-es1800*)
+		os=-ose
+		;;
+	# Now accept the basic system types.
+	# The portable systems comes first.
+	# Each alternative MUST end in a * to match a version number.
+	# -sysv* is not here because it comes later, after sysvr4.
+	-gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
+	      | -*vms* | -sco* | -esix* | -isc* | -aix* | -cnk* | -sunos | -sunos[34]*\
+	      | -hpux* | -unos* | -osf* | -luna* | -dgux* | -auroraux* | -solaris* \
+	      | -sym* | -kopensolaris* | -plan9* \
+	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
+	      | -aos* | -aros* | -cloudabi* | -sortix* \
+	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
+	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
+	      | -hiux* | -knetbsd* | -mirbsd* | -netbsd* \
+	      | -bitrig* | -openbsd* | -solidbsd* | -libertybsd* \
+	      | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \
+	      | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \
+	      | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
+	      | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
+	      | -chorusos* | -chorusrdb* | -cegcc* | -glidix* \
+	      | -cygwin* | -msys* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
+	      | -midipix* | -mingw32* | -mingw64* | -linux-gnu* | -linux-android* \
+	      | -linux-newlib* | -linux-musl* | -linux-uclibc* \
+	      | -uxpv* | -beos* | -mpeix* | -udk* | -moxiebox* \
+	      | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* \
+	      | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
+	      | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \
+	      | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \
+	      | -morphos* | -superux* | -rtmk* | -windiss* \
+	      | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
+	      | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es* \
+	      | -onefs* | -tirtos* | -phoenix* | -fuchsia* | -redox* | -bme* \
+	      | -midnightbsd*)
+	# Remember, each alternative MUST END IN *, to match a version number.
+		;;
+	-qnx*)
+		case $basic_machine in
+		    x86-* | i*86-*)
+			;;
+		    *)
+			os=-nto$os
+			;;
+		esac
+		;;
+	-nto-qnx*)
+		;;
+	-nto*)
+		os=`echo $os | sed -e 's|nto|nto-qnx|'`
+		;;
+	-sim | -xray | -os68k* | -v88r* \
+	      | -windows* | -osx | -abug | -netware* | -os9* \
+	      | -macos* | -mpw* | -magic* | -mmixware* | -mon960* | -lnews*)
+		;;
+	-mac*)
+		os=`echo "$os" | sed -e 's|mac|macos|'`
+		;;
+	-linux-dietlibc)
+		os=-linux-dietlibc
+		;;
+	-linux*)
+		os=`echo $os | sed -e 's|linux|linux-gnu|'`
+		;;
+	-sunos5*)
+		os=`echo "$os" | sed -e 's|sunos5|solaris2|'`
+		;;
+	-sunos6*)
+		os=`echo "$os" | sed -e 's|sunos6|solaris3|'`
+		;;
+	-opened*)
+		os=-openedition
+		;;
+	-os400*)
+		os=-os400
+		;;
+	-wince*)
+		os=-wince
+		;;
+	-utek*)
+		os=-bsd
+		;;
+	-dynix*)
+		os=-bsd
+		;;
+	-acis*)
+		os=-aos
+		;;
+	-atheos*)
+		os=-atheos
+		;;
+	-syllable*)
+		os=-syllable
+		;;
+	-386bsd)
+		os=-bsd
+		;;
+	-ctix* | -uts*)
+		os=-sysv
+		;;
+	-nova*)
+		os=-rtmk-nova
+		;;
+	-ns2)
+		os=-nextstep2
+		;;
+	-nsk*)
+		os=-nsk
+		;;
+	# Preserve the version number of sinix5.
+	-sinix5.*)
+		os=`echo $os | sed -e 's|sinix|sysv|'`
+		;;
+	-sinix*)
+		os=-sysv4
+		;;
+	-tpf*)
+		os=-tpf
+		;;
+	-triton*)
+		os=-sysv3
+		;;
+	-oss*)
+		os=-sysv3
+		;;
+	-svr4*)
+		os=-sysv4
+		;;
+	-svr3)
+		os=-sysv3
+		;;
+	-sysvr4)
+		os=-sysv4
+		;;
+	# This must come after -sysvr4.
+	-sysv*)
+		;;
+	-ose*)
+		os=-ose
+		;;
+	-*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
+		os=-mint
+		;;
+	-zvmoe)
+		os=-zvmoe
+		;;
+	-dicos*)
+		os=-dicos
+		;;
+	-pikeos*)
+		# Until real need of OS specific support for
+		# particular features comes up, bare metal
+		# configurations are quite functional.
+		case $basic_machine in
+		    arm*)
+			os=-eabi
+			;;
+		    *)
+			os=-elf
+			;;
+		esac
+		;;
+	-nacl*)
+		;;
+	-ios)
+		;;
+	-none)
+		;;
+	*)
+		# Get rid of the `-' at the beginning of $os.
+		os=`echo $os | sed 's/[^-]*-//'`
+		echo Invalid configuration \`"$1"\': system \`"$os"\' not recognized 1>&2
+		exit 1
+		;;
+esac
+else
+
+# Here we handle the default operating systems that come with various machines.
+# The value should be what the vendor currently ships out the door with their
+# machine or put another way, the most popular os provided with the machine.
+
+# Note that if you're going to try to match "-MANUFACTURER" here (say,
+# "-sun"), then you have to tell the case statement up towards the top
+# that MANUFACTURER isn't an operating system.  Otherwise, code above
+# will signal an error saying that MANUFACTURER isn't an operating
+# system, and we'll never get to this point.
+
+case $basic_machine in
+	score-*)
+		os=-elf
+		;;
+	spu-*)
+		os=-elf
+		;;
+	*-acorn)
+		os=-riscix1.2
+		;;
+	arm*-rebel)
+		os=-linux
+		;;
+	arm*-semi)
+		os=-aout
+		;;
+	c4x-* | tic4x-*)
+		os=-coff
+		;;
+	c8051-*)
+		os=-elf
+		;;
+	hexagon-*)
+		os=-elf
+		;;
+	tic54x-*)
+		os=-coff
+		;;
+	tic55x-*)
+		os=-coff
+		;;
+	tic6x-*)
+		os=-coff
+		;;
+	# This must come before the *-dec entry.
+	pdp10-*)
+		os=-tops20
+		;;
+	pdp11-*)
+		os=-none
+		;;
+	*-dec | vax-*)
+		os=-ultrix4.2
+		;;
+	m68*-apollo)
+		os=-domain
+		;;
+	i386-sun)
+		os=-sunos4.0.2
+		;;
+	m68000-sun)
+		os=-sunos3
+		;;
+	m68*-cisco)
+		os=-aout
+		;;
+	mep-*)
+		os=-elf
+		;;
+	mips*-cisco)
+		os=-elf
+		;;
+	mips*-*)
+		os=-elf
+		;;
+	or32-*)
+		os=-coff
+		;;
+	*-tti)	# must be before sparc entry or we get the wrong os.
+		os=-sysv3
+		;;
+	sparc-* | *-sun)
+		os=-sunos4.1.1
+		;;
+	pru-*)
+		os=-elf
+		;;
+	*-be)
+		os=-beos
+		;;
+	*-ibm)
+		os=-aix
+		;;
+	*-knuth)
+		os=-mmixware
+		;;
+	*-wec)
+		os=-proelf
+		;;
+	*-winbond)
+		os=-proelf
+		;;
+	*-oki)
+		os=-proelf
+		;;
+	*-hp)
+		os=-hpux
+		;;
+	*-hitachi)
+		os=-hiux
+		;;
+	i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
+		os=-sysv
+		;;
+	*-cbm)
+		os=-amigaos
+		;;
+	*-dg)
+		os=-dgux
+		;;
+	*-dolphin)
+		os=-sysv3
+		;;
+	m68k-ccur)
+		os=-rtu
+		;;
+	m88k-omron*)
+		os=-luna
+		;;
+	*-next)
+		os=-nextstep
+		;;
+	*-sequent)
+		os=-ptx
+		;;
+	*-crds)
+		os=-unos
+		;;
+	*-ns)
+		os=-genix
+		;;
+	i370-*)
+		os=-mvs
+		;;
+	*-gould)
+		os=-sysv
+		;;
+	*-highlevel)
+		os=-bsd
+		;;
+	*-encore)
+		os=-bsd
+		;;
+	*-sgi)
+		os=-irix
+		;;
+	*-siemens)
+		os=-sysv4
+		;;
+	*-masscomp)
+		os=-rtu
+		;;
+	f30[01]-fujitsu | f700-fujitsu)
+		os=-uxpv
+		;;
+	*-rom68k)
+		os=-coff
+		;;
+	*-*bug)
+		os=-coff
+		;;
+	*-apple)
+		os=-macos
+		;;
+	*-atari*)
+		os=-mint
+		;;
+	*)
+		os=-none
+		;;
+esac
+fi
+
+# Here we handle the case where we know the os, and the CPU type, but not the
+# manufacturer.  We pick the logical manufacturer.
+vendor=unknown
+case $basic_machine in
+	*-unknown)
+		case $os in
+			-riscix*)
+				vendor=acorn
+				;;
+			-sunos*)
+				vendor=sun
+				;;
+			-cnk*|-aix*)
+				vendor=ibm
+				;;
+			-beos*)
+				vendor=be
+				;;
+			-hpux*)
+				vendor=hp
+				;;
+			-mpeix*)
+				vendor=hp
+				;;
+			-hiux*)
+				vendor=hitachi
+				;;
+			-unos*)
+				vendor=crds
+				;;
+			-dgux*)
+				vendor=dg
+				;;
+			-luna*)
+				vendor=omron
+				;;
+			-genix*)
+				vendor=ns
+				;;
+			-mvs* | -opened*)
+				vendor=ibm
+				;;
+			-os400*)
+				vendor=ibm
+				;;
+			-ptx*)
+				vendor=sequent
+				;;
+			-tpf*)
+				vendor=ibm
+				;;
+			-vxsim* | -vxworks* | -windiss*)
+				vendor=wrs
+				;;
+			-aux*)
+				vendor=apple
+				;;
+			-hms*)
+				vendor=hitachi
+				;;
+			-mpw* | -macos*)
+				vendor=apple
+				;;
+			-*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
+				vendor=atari
+				;;
+			-vos*)
+				vendor=stratus
+				;;
+		esac
+		basic_machine=`echo "$basic_machine" | sed "s/unknown/$vendor/"`
+		;;
+esac
+
+echo "$basic_machine$os"
+exit
+
+# Local variables:
+# eval: (add-hook 'write-file-functions 'time-stamp)
+# time-stamp-start: "timestamp='"
+# time-stamp-format: "%:y-%02m-%02d"
+# time-stamp-end: "'"
+# End:
diff -Nru nodejs-12.22.5~dfsg/deps/cares/configure nodejs-12.22.12~dfsg/deps/cares/configure
--- nodejs-12.22.5~dfsg/deps/cares/configure	1970-01-01 00:00:00.000000000 +0000
+++ nodejs-12.22.12~dfsg/deps/cares/configure	2022-04-05 07:16:59.000000000 +0000
@@ -0,0 +1,36935 @@
+#! /bin/sh
+# Guess values for system-dependent variables and create Makefiles.
+# Generated by GNU Autoconf 2.71 for c-ares 1.18.1.
+#
+# Report bugs to <c-ares mailing list: http://lists.haxx.se/listinfo/c-ares>.
+#
+#
+# Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation,
+# Inc.
+#
+#
+# This configure script is free software; the Free Software Foundation
+# gives unlimited permission to copy, distribute and modify it.
+
+## -------------------------------- ##
+##  XC_CONFIGURE_PREAMBLE ver: 1.0  ##
+## -------------------------------- ##
+
+xc_configure_preamble_ver_major='1'
+xc_configure_preamble_ver_minor='0'
+
+#
+# Set IFS to space, tab and newline.
+#
+
+xc_space=' '
+xc_tab='	'
+xc_newline='
+'
+IFS="$xc_space$xc_tab$xc_newline"
+
+#
+# Set internationalization behavior variables.
+#
+
+LANG='C'
+LC_ALL='C'
+LANGUAGE='C'
+export LANG
+export LC_ALL
+export LANGUAGE
+
+#
+# Some useful variables.
+#
+
+xc_msg_warn='configure: WARNING:'
+xc_msg_abrt='Can not continue.'
+xc_msg_err='configure: error:'
+
+#
+# Verify that 'echo' command is available, otherwise abort.
+#
+
+xc_tst_str='unknown'
+(`echo "$xc_tst_str" >/dev/null 2>&1`) && xc_tst_str='success'
+case "x$xc_tst_str" in # ((
+  xsuccess)
+    :
+    ;;
+  *)
+    # Try built-in echo, and fail.
+    echo "$xc_msg_err 'echo' command not found. $xc_msg_abrt" >&2
+    exit 1
+    ;;
+esac
+
+#
+# Verify that 'test' command is available, otherwise abort.
+#
+
+xc_tst_str='unknown'
+(`test -n "$xc_tst_str" >/dev/null 2>&1`) && xc_tst_str='success'
+case "x$xc_tst_str" in # ((
+  xsuccess)
+    :
+    ;;
+  *)
+    echo "$xc_msg_err 'test' command not found. $xc_msg_abrt" >&2
+    exit 1
+    ;;
+esac
+
+#
+# Verify that 'PATH' variable is set, otherwise abort.
+#
+
+xc_tst_str='unknown'
+(`test -n "$PATH" >/dev/null 2>&1`) && xc_tst_str='success'
+case "x$xc_tst_str" in # ((
+  xsuccess)
+    :
+    ;;
+  *)
+    echo "$xc_msg_err 'PATH' variable not set. $xc_msg_abrt" >&2
+    exit 1
+    ;;
+esac
+
+#
+# Verify that 'expr' command is available, otherwise abort.
+#
+
+xc_tst_str='unknown'
+xc_tst_str=`expr "$xc_tst_str" : '.*' 2>/dev/null`
+case "x$xc_tst_str" in # ((
+  x7)
+    :
+    ;;
+  *)
+    echo "$xc_msg_err 'expr' command not found. $xc_msg_abrt" >&2
+    exit 1
+    ;;
+esac
+
+#
+# Verify that 'sed' utility is found within 'PATH', otherwise abort.
+#
+
+xc_tst_str='unknown'
+xc_tst_str=`echo "$xc_tst_str" 2>/dev/null \
+  | sed -e 's:unknown:success:' 2>/dev/null`
+case "x$xc_tst_str" in # ((
+  xsuccess)
+    :
+    ;;
+  *)
+    echo "$xc_msg_err 'sed' utility not found in 'PATH'. $xc_msg_abrt" >&2
+    exit 1
+    ;;
+esac
+
+#
+# Verify that 'grep' utility is found within 'PATH', otherwise abort.
+#
+
+xc_tst_str='unknown'
+(`echo "$xc_tst_str" 2>/dev/null \
+  | grep 'unknown' >/dev/null 2>&1`) && xc_tst_str='success'
+case "x$xc_tst_str" in # ((
+  xsuccess)
+    :
+    ;;
+  *)
+    echo "$xc_msg_err 'grep' utility not found in 'PATH'. $xc_msg_abrt" >&2
+    exit 1
+    ;;
+esac
+
+#
+# Verify that 'tr' utility is found within 'PATH', otherwise abort.
+#
+
+xc_tst_str="${xc_tab}98s7u6c5c4e3s2s10"
+xc_tst_str=`echo "$xc_tst_str" 2>/dev/null \
+  | tr -d "0123456789$xc_tab" 2>/dev/null`
+case "x$xc_tst_str" in # ((
+  xsuccess)
+    :
+    ;;
+  *)
+    echo "$xc_msg_err 'tr' utility not found in 'PATH'. $xc_msg_abrt" >&2
+    exit 1
+    ;;
+esac
+
+#
+# Verify that 'wc' utility is found within 'PATH', otherwise abort.
+#
+
+xc_tst_str='unknown unknown unknown unknown'
+xc_tst_str=`echo "$xc_tst_str" 2>/dev/null \
+  | wc -w 2>/dev/null | tr -d "$xc_space$xc_tab" 2>/dev/null`
+case "x$xc_tst_str" in # ((
+  x4)
+    :
+    ;;
+  *)
+    echo "$xc_msg_err 'wc' utility not found in 'PATH'. $xc_msg_abrt" >&2
+    exit 1
+    ;;
+esac
+
+#
+# Verify that 'cat' utility is found within 'PATH', otherwise abort.
+#
+
+xc_tst_str='unknown'
+xc_tst_str=`cat <<_EOT 2>/dev/null \
+  | wc -l 2>/dev/null | tr -d "$xc_space$xc_tab" 2>/dev/null
+unknown
+unknown
+unknown
+_EOT`
+case "x$xc_tst_str" in # ((
+  x3)
+    :
+    ;;
+  *)
+    echo "$xc_msg_err 'cat' utility not found in 'PATH'. $xc_msg_abrt" >&2
+    exit 1
+    ;;
+esac
+
+#
+# Auto-detect and set 'PATH_SEPARATOR', unless it is already non-empty set.
+#
+
+# Directory count in 'PATH' when using a colon separator.
+xc_tst_dirs_col='x'
+xc_tst_prev_IFS=$IFS; IFS=':'
+for xc_tst_dir in $PATH; do
+  IFS=$xc_tst_prev_IFS
+  xc_tst_dirs_col="x$xc_tst_dirs_col"
+done
+IFS=$xc_tst_prev_IFS
+xc_tst_dirs_col=`expr "$xc_tst_dirs_col" : '.*'`
+
+# Directory count in 'PATH' when using a semicolon separator.
+xc_tst_dirs_sem='x'
+xc_tst_prev_IFS=$IFS; IFS=';'
+for xc_tst_dir in $PATH; do
+  IFS=$xc_tst_prev_IFS
+  xc_tst_dirs_sem="x$xc_tst_dirs_sem"
+done
+IFS=$xc_tst_prev_IFS
+xc_tst_dirs_sem=`expr "$xc_tst_dirs_sem" : '.*'`
+
+if test $xc_tst_dirs_sem -eq $xc_tst_dirs_col; then
+  # When both counting methods give the same result we do not want to
+  # chose one over the other, and consider auto-detection not possible.
+  if test -z "$PATH_SEPARATOR"; then
+    # Stop dead until user provides 'PATH_SEPARATOR' definition.
+    echo "$xc_msg_err 'PATH_SEPARATOR' variable not set. $xc_msg_abrt" >&2
+    exit 1
+  fi
+else
+  # Separator with the greater directory count is the auto-detected one.
+  if test $xc_tst_dirs_sem -gt $xc_tst_dirs_col; then
+    xc_tst_auto_separator=';'
+  else
+    xc_tst_auto_separator=':'
+  fi
+  if test -z "$PATH_SEPARATOR"; then
+    # Simply use the auto-detected one when not already set.
+    PATH_SEPARATOR=$xc_tst_auto_separator
+  elif test "x$PATH_SEPARATOR" != "x$xc_tst_auto_separator"; then
+    echo "$xc_msg_warn 'PATH_SEPARATOR' does not match auto-detected one." >&2
+  fi
+fi
+xc_PATH_SEPARATOR=$PATH_SEPARATOR
+
+xc_configure_preamble_result='yes'
+
+
+## -------------------- ##
+## M4sh Initialization. ##
+## -------------------- ##
+
+# Be more Bourne compatible
+DUALCASE=1; export DUALCASE # for MKS sh
+as_nop=:
+if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
+then :
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else $as_nop
+  case `(set -o) 2>/dev/null` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
+esac
+fi
+
+
+
+# Reset variables that may have inherited troublesome values from
+# the environment.
+
+# IFS needs to be set, to space, tab, and newline, in precisely that order.
+# (If _AS_PATH_WALK were called with IFS unset, it would have the
+# side effect of setting IFS to empty, thus disabling word splitting.)
+# Quoting is to prevent editors from complaining about space-tab.
+as_nl='
+'
+export as_nl
+IFS=" ""	$as_nl"
+
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# Ensure predictable behavior from utilities with locale-dependent output.
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# We cannot yet rely on "unset" to work, but we need these variables
+# to be unset--not just set to an empty or harmless value--now, to
+# avoid bugs in old shells (e.g. pre-3.0 UWIN ksh).  This construct
+# also avoids known problems related to "unset" and subshell syntax
+# in other old shells (e.g. bash 2.01 and pdksh 5.2.14).
+for as_var in BASH_ENV ENV MAIL MAILPATH CDPATH
+do eval test \${$as_var+y} \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+done
+
+# Ensure that fds 0, 1, and 2 are open.
+if (exec 3>&0) 2>/dev/null; then :; else exec 0</dev/null; fi
+if (exec 3>&1) 2>/dev/null; then :; else exec 1>/dev/null; fi
+if (exec 3>&2)            ; then :; else exec 2>/dev/null; fi
+
+
+
+# Find who we are.  Look in the path if we contain no directory separator.
+as_myself=
+case $0 in #((
+  *[\\/]* ) as_myself=$0 ;;
+  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    test -r "$as_dir$0" && as_myself=$as_dir$0 && break
+  done
+IFS=$as_save_IFS
+
+     ;;
+esac
+# We did not find ourselves, most probably we were run as `sh COMMAND'
+# in which case we are not to be found in the path.
+if test "x$as_myself" = x; then
+  as_myself=$0
+fi
+if test ! -f "$as_myself"; then
+  printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  exit 1
+fi
+
+
+# Use a proper internal environment variable to ensure we don't fall
+  # into an infinite loop, continuously re-executing ourselves.
+  if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then
+    _as_can_reexec=no; export _as_can_reexec;
+    # We cannot yet assume a decent shell, so we have to provide a
+# neutralization value for shells without unset; and this also
+# works around shells that cannot unset nonexistent variables.
+# Preserve -v and -x to the replacement shell.
+BASH_ENV=/dev/null
+ENV=/dev/null
+(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+case $- in # ((((
+  *v*x* | *x*v* ) as_opts=-vx ;;
+  *v* ) as_opts=-v ;;
+  *x* ) as_opts=-x ;;
+  * ) as_opts= ;;
+esac
+exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
+# Admittedly, this is quite paranoid, since all the known shells bail
+# out after a failed `exec'.
+printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
+exit 255
+  fi
+  # We don't want this to propagate to other subprocesses.
+          { _as_can_reexec=; unset _as_can_reexec;}
+if test "x$CONFIG_SHELL" = x; then
+  as_bourne_compatible="as_nop=:
+if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
+then :
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '\${1+\"\$@\"}'='\"\$@\"'
+  setopt NO_GLOB_SUBST
+else \$as_nop
+  case \`(set -o) 2>/dev/null\` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
+esac
+fi
+"
+  as_required="as_fn_return () { (exit \$1); }
+as_fn_success () { as_fn_return 0; }
+as_fn_failure () { as_fn_return 1; }
+as_fn_ret_success () { return 0; }
+as_fn_ret_failure () { return 1; }
+
+exitcode=0
+as_fn_success || { exitcode=1; echo as_fn_success failed.; }
+as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; }
+as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; }
+as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
+if ( set x; as_fn_ret_success y && test x = \"\$1\" )
+then :
+
+else \$as_nop
+  exitcode=1; echo positional parameters were not saved.
+fi
+test x\$exitcode = x0 || exit 1
+blah=\$(echo \$(echo blah))
+test x\"\$blah\" = xblah || exit 1
+test -x / || exit 1"
+  as_suggested="  as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
+  as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO
+  eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&
+  test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1
+test \$(( 1 + 1 )) = 2 || exit 1
+
+  test -n \"\${ZSH_VERSION+set}\${BASH_VERSION+set}\" || (
+    ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+    ECHO=\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO
+    ECHO=\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO
+    PATH=/empty FPATH=/empty; export PATH FPATH
+    test \"X\`printf %s \$ECHO\`\" = \"X\$ECHO\" \\
+      || test \"X\`print -r -- \$ECHO\`\" = \"X\$ECHO\" ) || exit 1"
+  if (eval "$as_required") 2>/dev/null
+then :
+  as_have_required=yes
+else $as_nop
+  as_have_required=no
+fi
+  if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null
+then :
+
+else $as_nop
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+as_found=false
+for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+  as_found=:
+  case $as_dir in #(
+	 /*)
+	   for as_base in sh bash ksh sh5; do
+	     # Try only shells that exist, to save several forks.
+	     as_shell=$as_dir$as_base
+	     if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
+		    as_run=a "$as_shell" -c "$as_bourne_compatible""$as_required" 2>/dev/null
+then :
+  CONFIG_SHELL=$as_shell as_have_required=yes
+		   if as_run=a "$as_shell" -c "$as_bourne_compatible""$as_suggested" 2>/dev/null
+then :
+  break 2
+fi
+fi
+	   done;;
+       esac
+  as_found=false
+done
+IFS=$as_save_IFS
+if $as_found
+then :
+
+else $as_nop
+  if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
+	      as_run=a "$SHELL" -c "$as_bourne_compatible""$as_required" 2>/dev/null
+then :
+  CONFIG_SHELL=$SHELL as_have_required=yes
+fi
+fi
+
+
+      if test "x$CONFIG_SHELL" != x
+then :
+  export CONFIG_SHELL
+             # We cannot yet assume a decent shell, so we have to provide a
+# neutralization value for shells without unset; and this also
+# works around shells that cannot unset nonexistent variables.
+# Preserve -v and -x to the replacement shell.
+BASH_ENV=/dev/null
+ENV=/dev/null
+(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+case $- in # ((((
+  *v*x* | *x*v* ) as_opts=-vx ;;
+  *v* ) as_opts=-v ;;
+  *x* ) as_opts=-x ;;
+  * ) as_opts= ;;
+esac
+exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
+# Admittedly, this is quite paranoid, since all the known shells bail
+# out after a failed `exec'.
+printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
+exit 255
+fi
+
+    if test x$as_have_required = xno
+then :
+  printf "%s\n" "$0: This script requires a shell more modern than all"
+  printf "%s\n" "$0: the shells that I found on your system."
+  if test ${ZSH_VERSION+y} ; then
+    printf "%s\n" "$0: In particular, zsh $ZSH_VERSION has bugs and should"
+    printf "%s\n" "$0: be upgraded to zsh 4.3.4 or later."
+  else
+    printf "%s\n" "$0: Please tell bug-autoconf@gnu.org and c-ares mailing
+$0: list: http://lists.haxx.se/listinfo/c-ares about your
+$0: system, including any error possibly output before this
+$0: message. Then install a modern shell, or manually run
+$0: the script under such a shell if you do have one."
+  fi
+  exit 1
+fi
+fi
+fi
+SHELL=${CONFIG_SHELL-/bin/sh}
+export SHELL
+# Unset more variables known to interfere with behavior of common tools.
+CLICOLOR_FORCE= GREP_OPTIONS=
+unset CLICOLOR_FORCE GREP_OPTIONS
+
+## --------------------- ##
+## M4sh Shell Functions. ##
+## --------------------- ##
+# as_fn_unset VAR
+# ---------------
+# Portably unset VAR.
+as_fn_unset ()
+{
+  { eval $1=; unset $1;}
+}
+as_unset=as_fn_unset
+
+
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+# as_fn_nop
+# ---------
+# Do nothing but, unlike ":", preserve the value of $?.
+as_fn_nop ()
+{
+  return $?
+}
+as_nop=as_fn_nop
+
+# as_fn_mkdir_p
+# -------------
+# Create "$as_dir" as a directory, including parents if necessary.
+as_fn_mkdir_p ()
+{
+
+  case $as_dir in #(
+  -*) as_dir=./$as_dir;;
+  esac
+  test -d "$as_dir" || eval $as_mkdir_p || {
+    as_dirs=
+    while :; do
+      case $as_dir in #(
+      *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *) as_qdir=$as_dir;;
+      esac
+      as_dirs="'$as_qdir' $as_dirs"
+      as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+printf "%s\n" X"$as_dir" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      test -d "$as_dir" && break
+    done
+    test -z "$as_dirs" || eval "mkdir $as_dirs"
+  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
+
+
+} # as_fn_mkdir_p
+
+# as_fn_executable_p FILE
+# -----------------------
+# Test if FILE is an executable regular file.
+as_fn_executable_p ()
+{
+  test -f "$1" && test -x "$1"
+} # as_fn_executable_p
+# as_fn_append VAR VALUE
+# ----------------------
+# Append the text in VALUE to the end of the definition contained in VAR. Take
+# advantage of any shell optimizations that allow amortized linear growth over
+# repeated appends, instead of the typical quadratic growth present in naive
+# implementations.
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null
+then :
+  eval 'as_fn_append ()
+  {
+    eval $1+=\$2
+  }'
+else $as_nop
+  as_fn_append ()
+  {
+    eval $1=\$$1\$2
+  }
+fi # as_fn_append
+
+# as_fn_arith ARG...
+# ------------------
+# Perform arithmetic evaluation on the ARGs, and store the result in the
+# global $as_val. Take advantage of shells that can avoid forks. The arguments
+# must be portable across $(()) and expr.
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null
+then :
+  eval 'as_fn_arith ()
+  {
+    as_val=$(( $* ))
+  }'
+else $as_nop
+  as_fn_arith ()
+  {
+    as_val=`expr "$@" || test $? -eq 1`
+  }
+fi # as_fn_arith
+
+# as_fn_nop
+# ---------
+# Do nothing but, unlike ":", preserve the value of $?.
+as_fn_nop ()
+{
+  return $?
+}
+as_nop=as_fn_nop
+
+# as_fn_error STATUS ERROR [LINENO LOG_FD]
+# ----------------------------------------
+# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
+# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
+# script with STATUS, using 1 if that was 0.
+as_fn_error ()
+{
+  as_status=$1; test $as_status -eq 0 && as_status=1
+  if test "$4"; then
+    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+  fi
+  printf "%s\n" "$as_me: error: $2" >&2
+  as_fn_exit $as_status
+} # as_fn_error
+
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+  as_basename=basename
+else
+  as_basename=false
+fi
+
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
+
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+printf "%s\n" X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
+
+
+  as_lineno_1=$LINENO as_lineno_1a=$LINENO
+  as_lineno_2=$LINENO as_lineno_2a=$LINENO
+  eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
+  test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
+  # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
+  sed -n '
+    p
+    /[$]LINENO/=
+  ' <$as_myself |
+    sed '
+      s/[$]LINENO.*/&-/
+      t lineno
+      b
+      :lineno
+      N
+      :loop
+      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+      t loop
+      s/-\n.*//
+    ' >$as_me.lineno &&
+  chmod +x "$as_me.lineno" ||
+    { printf "%s\n" "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
+
+  # If we had to re-execute with $CONFIG_SHELL, we're ensured to have
+  # already done that, so ensure we don't try to do so again and fall
+  # in an infinite loop.  This has already happened in practice.
+  _as_can_reexec=no; export _as_can_reexec
+  # Don't try to exec as it changes $[0], causing all sort of problems
+  # (the dirname of $[0] is not the place where we might find the
+  # original and so on.  Autoconf is especially sensitive to this).
+  . "./$as_me.lineno"
+  # Exit status is that of the last command.
+  exit
+}
+
+
+# Determine whether it's possible to make 'echo' print without a newline.
+# These variables are no longer used directly by Autoconf, but are AC_SUBSTed
+# for compatibility with existing Makefiles.
+ECHO_C= ECHO_N= ECHO_T=
+case `echo -n x` in #(((((
+-n*)
+  case `echo 'xy\c'` in
+  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
+  xy)  ECHO_C='\c';;
+  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
+       ECHO_T='	';;
+  esac;;
+*)
+  ECHO_N='-n';;
+esac
+
+# For backward compatibility with old third-party macros, we provide
+# the shell variables $as_echo and $as_echo_n.  New code should use
+# AS_ECHO(["message"]) and AS_ECHO_N(["message"]), respectively.
+as_echo='printf %s\n'
+as_echo_n='printf %s'
+
+
+rm -f conf$$ conf$$.exe conf$$.file
+if test -d conf$$.dir; then
+  rm -f conf$$.dir/conf$$.file
+else
+  rm -f conf$$.dir
+  mkdir conf$$.dir 2>/dev/null
+fi
+if (echo >conf$$.file) 2>/dev/null; then
+  if ln -s conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s='ln -s'
+    # ... but there are two gotchas:
+    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+    # In both cases, we have to default to `cp -pR'.
+    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+      as_ln_s='cp -pR'
+  elif ln conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s=ln
+  else
+    as_ln_s='cp -pR'
+  fi
+else
+  as_ln_s='cp -pR'
+fi
+rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
+rmdir conf$$.dir 2>/dev/null
+
+if mkdir -p . 2>/dev/null; then
+  as_mkdir_p='mkdir -p "$as_dir"'
+else
+  test -d ./-p && rmdir ./-p
+  as_mkdir_p=false
+fi
+
+as_test_x='test -x'
+as_executable_p=as_fn_executable_p
+
+# Sed expression to map a string onto a valid CPP name.
+as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+
+# Sed expression to map a string onto a valid variable name.
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+
+SHELL=${CONFIG_SHELL-/bin/sh}
+
+
+test -n "$DJDIR" || exec 7<&0 </dev/null
+exec 6>&1
+
+# Name of the host.
+# hostname on some systems (SVR3.2, old GNU/Linux) returns a bogus exit status,
+# so uname gets run too.
+ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
+
+#
+# Initializations.
+#
+ac_default_prefix=/usr/local
+ac_clean_files=
+ac_config_libobj_dir=.
+LIBOBJS=
+cross_compiling=no
+subdirs=
+MFLAGS=
+MAKEFLAGS=
+
+# Identity of this package.
+PACKAGE_NAME='c-ares'
+PACKAGE_TARNAME='c-ares'
+PACKAGE_VERSION='1.18.1'
+PACKAGE_STRING='c-ares 1.18.1'
+PACKAGE_BUGREPORT='c-ares mailing list: http://lists.haxx.se/listinfo/c-ares'
+PACKAGE_URL=''
+
+ac_unique_file="src/lib/ares_ipv6.h"
+# Factoring default headers for most tests.
+ac_includes_default="\
+#include <stddef.h>
+#ifdef HAVE_STDIO_H
+# include <stdio.h>
+#endif
+#ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+#endif
+#ifdef HAVE_STRING_H
+# include <string.h>
+#endif
+#ifdef HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif"
+
+ac_header_c_list=
+enable_option_checking=no
+ac_subst_vars='am__EXEEXT_FALSE
+am__EXEEXT_TRUE
+LTLIBOBJS
+LIBOBJS
+BUILD_SUBDIRS
+subdirs
+CARES_CFLAG_EXTRAS
+CARES_PRIVATE_LIBS
+CFLAG_CARES_SYMBOL_HIDING
+DOING_CARES_SYMBOL_HIDING_FALSE
+DOING_CARES_SYMBOL_HIDING_TRUE
+CARES_RANDOM_FILE
+DOING_NATIVE_WINDOWS_FALSE
+DOING_NATIVE_WINDOWS_TRUE
+CPPFLAG_CARES_STATICLIB
+USE_CPPFLAG_CARES_STATICLIB_FALSE
+USE_CPPFLAG_CARES_STATICLIB_TRUE
+CARES_LT_SHLIB_USE_MIMPURE_TEXT_FALSE
+CARES_LT_SHLIB_USE_MIMPURE_TEXT_TRUE
+CARES_LT_SHLIB_USE_NO_UNDEFINED_FALSE
+CARES_LT_SHLIB_USE_NO_UNDEFINED_TRUE
+CARES_LT_SHLIB_USE_VERSION_INFO_FALSE
+CARES_LT_SHLIB_USE_VERSION_INFO_TRUE
+CXXCPP
+LT_SYS_LIBRARY_PATH
+OTOOL64
+OTOOL
+LIPO
+NMEDIT
+DSYMUTIL
+MANIFEST_TOOL
+RANLIB
+ac_ct_AR
+LN_S
+NM
+ac_ct_DUMPBIN
+DUMPBIN
+LD
+FGREP
+LIBTOOL
+OBJDUMP
+DLLTOOL
+AS
+CSCOPE
+ETAGS
+CTAGS
+am__fastdepCXX_FALSE
+am__fastdepCXX_TRUE
+CXXDEPMODE
+am__fastdepCC_FALSE
+am__fastdepCC_TRUE
+CCDEPMODE
+am__nodep
+AMDEPBACKSLASH
+AMDEP_FALSE
+AMDEP_TRUE
+am__include
+DEPDIR
+am__untar
+am__tar
+AMTAR
+am__leading_dot
+SET_MAKE
+mkdir_p
+MKDIR_P
+INSTALL_STRIP_PROGRAM
+STRIP
+install_sh
+MAKEINFO
+AUTOHEADER
+AUTOMAKE
+AUTOCONF
+ACLOCAL
+VERSION
+PACKAGE
+CYGPATH_W
+am__isrc
+HAVE_CXX11
+ac_ct_CXX
+CXXFLAGS
+CXX
+CPP
+OBJEXT
+EXEEXT
+ac_ct_CC
+CPPFLAGS
+LDFLAGS
+CFLAGS
+CC
+INSTALL_DATA
+INSTALL_SCRIPT
+INSTALL_PROGRAM
+host_os
+host_vendor
+host_cpu
+host
+build_os
+build_vendor
+build_cpu
+build
+CODE_COVERAGE_LIBS
+CODE_COVERAGE_CXXFLAGS
+CODE_COVERAGE_CFLAGS
+CODE_COVERAGE_CPPFLAGS
+GENHTML
+LCOV
+GCOV
+ifnGNUmake
+ifGNUmake
+AWK
+CODE_COVERAGE_ENABLED
+CODE_COVERAGE_ENABLED_FALSE
+CODE_COVERAGE_ENABLED_TRUE
+AR
+EGREP
+GREP
+SED
+AM_BACKSLASH
+AM_DEFAULT_VERBOSITY
+AM_DEFAULT_V
+AM_V
+MAINT
+MAINTAINER_MODE_FALSE
+MAINTAINER_MODE_TRUE
+CARES_VERSION_INFO
+target_alias
+host_alias
+build_alias
+LIBS
+ECHO_T
+ECHO_N
+ECHO_C
+DEFS
+mandir
+localedir
+libdir
+psdir
+pdfdir
+dvidir
+htmldir
+infodir
+docdir
+oldincludedir
+includedir
+runstatedir
+localstatedir
+sharedstatedir
+sysconfdir
+datadir
+datarootdir
+libexecdir
+sbindir
+bindir
+program_transform_name
+prefix
+exec_prefix
+PACKAGE_URL
+PACKAGE_BUGREPORT
+PACKAGE_STRING
+PACKAGE_VERSION
+PACKAGE_TARNAME
+PACKAGE_NAME
+SHELL
+PATH_SEPARATOR
+am__quote'
+ac_subst_files=''
+ac_user_opts='
+enable_option_checking
+enable_maintainer_mode
+enable_silent_rules
+enable_debug
+enable_optimize
+enable_warnings
+enable_werror
+enable_symbol_hiding
+enable_expose_statics
+with_gcov
+enable_code_coverage
+enable_dependency_tracking
+enable_largefile
+enable_shared
+enable_static
+with_pic
+enable_fast_install
+with_aix_soname
+with_gnu_ld
+with_sysroot
+enable_libtool_lock
+enable_libgcc
+with_random
+enable_nonblocking
+enable_tests
+'
+      ac_precious_vars='build_alias
+host_alias
+target_alias
+CC
+CFLAGS
+LDFLAGS
+LIBS
+CPPFLAGS
+CPP
+CXX
+CXXFLAGS
+CCC
+LT_SYS_LIBRARY_PATH
+CXXCPP'
+ac_subdirs_all='test'
+
+# Initialize some variables set by options.
+ac_init_help=
+ac_init_version=false
+ac_unrecognized_opts=
+ac_unrecognized_sep=
+# The variables have the same names as the options, with
+# dashes changed to underlines.
+cache_file=/dev/null
+exec_prefix=NONE
+no_create=
+no_recursion=
+prefix=NONE
+program_prefix=NONE
+program_suffix=NONE
+program_transform_name=s,x,x,
+silent=
+site=
+srcdir=
+verbose=
+x_includes=NONE
+x_libraries=NONE
+
+# Installation directory options.
+# These are left unexpanded so users can "make install exec_prefix=/foo"
+# and all the variables that are supposed to be based on exec_prefix
+# by default will actually change.
+# Use braces instead of parens because sh, perl, etc. also accept them.
+# (The list follows the same order as the GNU Coding Standards.)
+bindir='${exec_prefix}/bin'
+sbindir='${exec_prefix}/sbin'
+libexecdir='${exec_prefix}/libexec'
+datarootdir='${prefix}/share'
+datadir='${datarootdir}'
+sysconfdir='${prefix}/etc'
+sharedstatedir='${prefix}/com'
+localstatedir='${prefix}/var'
+runstatedir='${localstatedir}/run'
+includedir='${prefix}/include'
+oldincludedir='/usr/include'
+docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
+infodir='${datarootdir}/info'
+htmldir='${docdir}'
+dvidir='${docdir}'
+pdfdir='${docdir}'
+psdir='${docdir}'
+libdir='${exec_prefix}/lib'
+localedir='${datarootdir}/locale'
+mandir='${datarootdir}/man'
+
+ac_prev=
+ac_dashdash=
+for ac_option
+do
+  # If the previous option needs an argument, assign it.
+  if test -n "$ac_prev"; then
+    eval $ac_prev=\$ac_option
+    ac_prev=
+    continue
+  fi
+
+  case $ac_option in
+  *=?*) ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
+  *=)   ac_optarg= ;;
+  *)    ac_optarg=yes ;;
+  esac
+
+  case $ac_dashdash$ac_option in
+  --)
+    ac_dashdash=yes ;;
+
+  -bindir | --bindir | --bindi | --bind | --bin | --bi)
+    ac_prev=bindir ;;
+  -bindir=* | --bindir=* | --bindi=* | --bind=* | --bin=* | --bi=*)
+    bindir=$ac_optarg ;;
+
+  -build | --build | --buil | --bui | --bu)
+    ac_prev=build_alias ;;
+  -build=* | --build=* | --buil=* | --bui=* | --bu=*)
+    build_alias=$ac_optarg ;;
+
+  -cache-file | --cache-file | --cache-fil | --cache-fi \
+  | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c)
+    ac_prev=cache_file ;;
+  -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
+  | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*)
+    cache_file=$ac_optarg ;;
+
+  --config-cache | -C)
+    cache_file=config.cache ;;
+
+  -datadir | --datadir | --datadi | --datad)
+    ac_prev=datadir ;;
+  -datadir=* | --datadir=* | --datadi=* | --datad=*)
+    datadir=$ac_optarg ;;
+
+  -datarootdir | --datarootdir | --datarootdi | --datarootd | --dataroot \
+  | --dataroo | --dataro | --datar)
+    ac_prev=datarootdir ;;
+  -datarootdir=* | --datarootdir=* | --datarootdi=* | --datarootd=* \
+  | --dataroot=* | --dataroo=* | --dataro=* | --datar=*)
+    datarootdir=$ac_optarg ;;
+
+  -disable-* | --disable-*)
+    ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error $? "invalid feature name: \`$ac_useropt'"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"enable_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--disable-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval enable_$ac_useropt=no ;;
+
+  -docdir | --docdir | --docdi | --doc | --do)
+    ac_prev=docdir ;;
+  -docdir=* | --docdir=* | --docdi=* | --doc=* | --do=*)
+    docdir=$ac_optarg ;;
+
+  -dvidir | --dvidir | --dvidi | --dvid | --dvi | --dv)
+    ac_prev=dvidir ;;
+  -dvidir=* | --dvidir=* | --dvidi=* | --dvid=* | --dvi=* | --dv=*)
+    dvidir=$ac_optarg ;;
+
+  -enable-* | --enable-*)
+    ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error $? "invalid feature name: \`$ac_useropt'"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"enable_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--enable-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval enable_$ac_useropt=\$ac_optarg ;;
+
+  -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
+  | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
+  | --exec | --exe | --ex)
+    ac_prev=exec_prefix ;;
+  -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \
+  | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \
+  | --exec=* | --exe=* | --ex=*)
+    exec_prefix=$ac_optarg ;;
+
+  -gas | --gas | --ga | --g)
+    # Obsolete; use --with-gas.
+    with_gas=yes ;;
+
+  -help | --help | --hel | --he | -h)
+    ac_init_help=long ;;
+  -help=r* | --help=r* | --hel=r* | --he=r* | -hr*)
+    ac_init_help=recursive ;;
+  -help=s* | --help=s* | --hel=s* | --he=s* | -hs*)
+    ac_init_help=short ;;
+
+  -host | --host | --hos | --ho)
+    ac_prev=host_alias ;;
+  -host=* | --host=* | --hos=* | --ho=*)
+    host_alias=$ac_optarg ;;
+
+  -htmldir | --htmldir | --htmldi | --htmld | --html | --htm | --ht)
+    ac_prev=htmldir ;;
+  -htmldir=* | --htmldir=* | --htmldi=* | --htmld=* | --html=* | --htm=* \
+  | --ht=*)
+    htmldir=$ac_optarg ;;
+
+  -includedir | --includedir | --includedi | --included | --include \
+  | --includ | --inclu | --incl | --inc)
+    ac_prev=includedir ;;
+  -includedir=* | --includedir=* | --includedi=* | --included=* | --include=* \
+  | --includ=* | --inclu=* | --incl=* | --inc=*)
+    includedir=$ac_optarg ;;
+
+  -infodir | --infodir | --infodi | --infod | --info | --inf)
+    ac_prev=infodir ;;
+  -infodir=* | --infodir=* | --infodi=* | --infod=* | --info=* | --inf=*)
+    infodir=$ac_optarg ;;
+
+  -libdir | --libdir | --libdi | --libd)
+    ac_prev=libdir ;;
+  -libdir=* | --libdir=* | --libdi=* | --libd=*)
+    libdir=$ac_optarg ;;
+
+  -libexecdir | --libexecdir | --libexecdi | --libexecd | --libexec \
+  | --libexe | --libex | --libe)
+    ac_prev=libexecdir ;;
+  -libexecdir=* | --libexecdir=* | --libexecdi=* | --libexecd=* | --libexec=* \
+  | --libexe=* | --libex=* | --libe=*)
+    libexecdir=$ac_optarg ;;
+
+  -localedir | --localedir | --localedi | --localed | --locale)
+    ac_prev=localedir ;;
+  -localedir=* | --localedir=* | --localedi=* | --localed=* | --locale=*)
+    localedir=$ac_optarg ;;
+
+  -localstatedir | --localstatedir | --localstatedi | --localstated \
+  | --localstate | --localstat | --localsta | --localst | --locals)
+    ac_prev=localstatedir ;;
+  -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \
+  | --localstate=* | --localstat=* | --localsta=* | --localst=* | --locals=*)
+    localstatedir=$ac_optarg ;;
+
+  -mandir | --mandir | --mandi | --mand | --man | --ma | --m)
+    ac_prev=mandir ;;
+  -mandir=* | --mandir=* | --mandi=* | --mand=* | --man=* | --ma=* | --m=*)
+    mandir=$ac_optarg ;;
+
+  -nfp | --nfp | --nf)
+    # Obsolete; use --without-fp.
+    with_fp=no ;;
+
+  -no-create | --no-create | --no-creat | --no-crea | --no-cre \
+  | --no-cr | --no-c | -n)
+    no_create=yes ;;
+
+  -no-recursion | --no-recursion | --no-recursio | --no-recursi \
+  | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r)
+    no_recursion=yes ;;
+
+  -oldincludedir | --oldincludedir | --oldincludedi | --oldincluded \
+  | --oldinclude | --oldinclud | --oldinclu | --oldincl | --oldinc \
+  | --oldin | --oldi | --old | --ol | --o)
+    ac_prev=oldincludedir ;;
+  -oldincludedir=* | --oldincludedir=* | --oldincludedi=* | --oldincluded=* \
+  | --oldinclude=* | --oldinclud=* | --oldinclu=* | --oldincl=* | --oldinc=* \
+  | --oldin=* | --oldi=* | --old=* | --ol=* | --o=*)
+    oldincludedir=$ac_optarg ;;
+
+  -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
+    ac_prev=prefix ;;
+  -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
+    prefix=$ac_optarg ;;
+
+  -program-prefix | --program-prefix | --program-prefi | --program-pref \
+  | --program-pre | --program-pr | --program-p)
+    ac_prev=program_prefix ;;
+  -program-prefix=* | --program-prefix=* | --program-prefi=* \
+  | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
+    program_prefix=$ac_optarg ;;
+
+  -program-suffix | --program-suffix | --program-suffi | --program-suff \
+  | --program-suf | --program-su | --program-s)
+    ac_prev=program_suffix ;;
+  -program-suffix=* | --program-suffix=* | --program-suffi=* \
+  | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
+    program_suffix=$ac_optarg ;;
+
+  -program-transform-name | --program-transform-name \
+  | --program-transform-nam | --program-transform-na \
+  | --program-transform-n | --program-transform- \
+  | --program-transform | --program-transfor \
+  | --program-transfo | --program-transf \
+  | --program-trans | --program-tran \
+  | --progr-tra | --program-tr | --program-t)
+    ac_prev=program_transform_name ;;
+  -program-transform-name=* | --program-transform-name=* \
+  | --program-transform-nam=* | --program-transform-na=* \
+  | --program-transform-n=* | --program-transform-=* \
+  | --program-transform=* | --program-transfor=* \
+  | --program-transfo=* | --program-transf=* \
+  | --program-trans=* | --program-tran=* \
+  | --progr-tra=* | --program-tr=* | --program-t=*)
+    program_transform_name=$ac_optarg ;;
+
+  -pdfdir | --pdfdir | --pdfdi | --pdfd | --pdf | --pd)
+    ac_prev=pdfdir ;;
+  -pdfdir=* | --pdfdir=* | --pdfdi=* | --pdfd=* | --pdf=* | --pd=*)
+    pdfdir=$ac_optarg ;;
+
+  -psdir | --psdir | --psdi | --psd | --ps)
+    ac_prev=psdir ;;
+  -psdir=* | --psdir=* | --psdi=* | --psd=* | --ps=*)
+    psdir=$ac_optarg ;;
+
+  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+  | -silent | --silent | --silen | --sile | --sil)
+    silent=yes ;;
+
+  -runstatedir | --runstatedir | --runstatedi | --runstated \
+  | --runstate | --runstat | --runsta | --runst | --runs \
+  | --run | --ru | --r)
+    ac_prev=runstatedir ;;
+  -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
+  | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \
+  | --run=* | --ru=* | --r=*)
+    runstatedir=$ac_optarg ;;
+
+  -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
+    ac_prev=sbindir ;;
+  -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
+  | --sbi=* | --sb=*)
+    sbindir=$ac_optarg ;;
+
+  -sharedstatedir | --sharedstatedir | --sharedstatedi \
+  | --sharedstated | --sharedstate | --sharedstat | --sharedsta \
+  | --sharedst | --shareds | --shared | --share | --shar \
+  | --sha | --sh)
+    ac_prev=sharedstatedir ;;
+  -sharedstatedir=* | --sharedstatedir=* | --sharedstatedi=* \
+  | --sharedstated=* | --sharedstate=* | --sharedstat=* | --sharedsta=* \
+  | --sharedst=* | --shareds=* | --shared=* | --share=* | --shar=* \
+  | --sha=* | --sh=*)
+    sharedstatedir=$ac_optarg ;;
+
+  -site | --site | --sit)
+    ac_prev=site ;;
+  -site=* | --site=* | --sit=*)
+    site=$ac_optarg ;;
+
+  -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
+    ac_prev=srcdir ;;
+  -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
+    srcdir=$ac_optarg ;;
+
+  -sysconfdir | --sysconfdir | --sysconfdi | --sysconfd | --sysconf \
+  | --syscon | --sysco | --sysc | --sys | --sy)
+    ac_prev=sysconfdir ;;
+  -sysconfdir=* | --sysconfdir=* | --sysconfdi=* | --sysconfd=* | --sysconf=* \
+  | --syscon=* | --sysco=* | --sysc=* | --sys=* | --sy=*)
+    sysconfdir=$ac_optarg ;;
+
+  -target | --target | --targe | --targ | --tar | --ta | --t)
+    ac_prev=target_alias ;;
+  -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*)
+    target_alias=$ac_optarg ;;
+
+  -v | -verbose | --verbose | --verbos | --verbo | --verb)
+    verbose=yes ;;
+
+  -version | --version | --versio | --versi | --vers | -V)
+    ac_init_version=: ;;
+
+  -with-* | --with-*)
+    ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error $? "invalid package name: \`$ac_useropt'"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"with_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--with-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval with_$ac_useropt=\$ac_optarg ;;
+
+  -without-* | --without-*)
+    ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error $? "invalid package name: \`$ac_useropt'"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"with_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--without-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval with_$ac_useropt=no ;;
+
+  --x)
+    # Obsolete; use --with-x.
+    with_x=yes ;;
+
+  -x-includes | --x-includes | --x-include | --x-includ | --x-inclu \
+  | --x-incl | --x-inc | --x-in | --x-i)
+    ac_prev=x_includes ;;
+  -x-includes=* | --x-includes=* | --x-include=* | --x-includ=* | --x-inclu=* \
+  | --x-incl=* | --x-inc=* | --x-in=* | --x-i=*)
+    x_includes=$ac_optarg ;;
+
+  -x-libraries | --x-libraries | --x-librarie | --x-librari \
+  | --x-librar | --x-libra | --x-libr | --x-lib | --x-li | --x-l)
+    ac_prev=x_libraries ;;
+  -x-libraries=* | --x-libraries=* | --x-librarie=* | --x-librari=* \
+  | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
+    x_libraries=$ac_optarg ;;
+
+  -*) as_fn_error $? "unrecognized option: \`$ac_option'
+Try \`$0 --help' for more information"
+    ;;
+
+  *=*)
+    ac_envvar=`expr "x$ac_option" : 'x\([^=]*\)='`
+    # Reject names that are not valid shell variable names.
+    case $ac_envvar in #(
+      '' | [0-9]* | *[!_$as_cr_alnum]* )
+      as_fn_error $? "invalid variable name: \`$ac_envvar'" ;;
+    esac
+    eval $ac_envvar=\$ac_optarg
+    export $ac_envvar ;;
+
+  *)
+    # FIXME: should be removed in autoconf 3.0.
+    printf "%s\n" "$as_me: WARNING: you should use --build, --host, --target" >&2
+    expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
+      printf "%s\n" "$as_me: WARNING: invalid host type: $ac_option" >&2
+    : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"
+    ;;
+
+  esac
+done
+
+if test -n "$ac_prev"; then
+  ac_option=--`echo $ac_prev | sed 's/_/-/g'`
+  as_fn_error $? "missing argument to $ac_option"
+fi
+
+if test -n "$ac_unrecognized_opts"; then
+  case $enable_option_checking in
+    no) ;;
+    fatal) as_fn_error $? "unrecognized options: $ac_unrecognized_opts" ;;
+    *)     printf "%s\n" "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
+  esac
+fi
+
+# Check all directory arguments for consistency.
+for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
+		datadir sysconfdir sharedstatedir localstatedir includedir \
+		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
+		libdir localedir mandir runstatedir
+do
+  eval ac_val=\$$ac_var
+  # Remove trailing slashes.
+  case $ac_val in
+    */ )
+      ac_val=`expr "X$ac_val" : 'X\(.*[^/]\)' \| "X$ac_val" : 'X\(.*\)'`
+      eval $ac_var=\$ac_val;;
+  esac
+  # Be sure to have absolute directory names.
+  case $ac_val in
+    [\\/$]* | ?:[\\/]* )  continue;;
+    NONE | '' ) case $ac_var in *prefix ) continue;; esac;;
+  esac
+  as_fn_error $? "expected an absolute directory name for --$ac_var: $ac_val"
+done
+
+# There might be people who depend on the old broken behavior: `$host'
+# used to hold the argument of --host etc.
+# FIXME: To remove some day.
+build=$build_alias
+host=$host_alias
+target=$target_alias
+
+# FIXME: To remove some day.
+if test "x$host_alias" != x; then
+  if test "x$build_alias" = x; then
+    cross_compiling=maybe
+  elif test "x$build_alias" != "x$host_alias"; then
+    cross_compiling=yes
+  fi
+fi
+
+ac_tool_prefix=
+test -n "$host_alias" && ac_tool_prefix=$host_alias-
+
+test "$silent" = yes && exec 6>/dev/null
+
+
+ac_pwd=`pwd` && test -n "$ac_pwd" &&
+ac_ls_di=`ls -di .` &&
+ac_pwd_ls_di=`cd "$ac_pwd" && ls -di .` ||
+  as_fn_error $? "working directory cannot be determined"
+test "X$ac_ls_di" = "X$ac_pwd_ls_di" ||
+  as_fn_error $? "pwd does not report name of working directory"
+
+
+# Find the source files, if location was not specified.
+if test -z "$srcdir"; then
+  ac_srcdir_defaulted=yes
+  # Try the directory containing this script, then the parent directory.
+  ac_confdir=`$as_dirname -- "$as_myself" ||
+$as_expr X"$as_myself" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_myself" : 'X\(//\)[^/]' \| \
+	 X"$as_myself" : 'X\(//\)$' \| \
+	 X"$as_myself" : 'X\(/\)' \| . 2>/dev/null ||
+printf "%s\n" X"$as_myself" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+  srcdir=$ac_confdir
+  if test ! -r "$srcdir/$ac_unique_file"; then
+    srcdir=..
+  fi
+else
+  ac_srcdir_defaulted=no
+fi
+if test ! -r "$srcdir/$ac_unique_file"; then
+  test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
+  as_fn_error $? "cannot find sources ($ac_unique_file) in $srcdir"
+fi
+ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
+ac_abs_confdir=`(
+	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error $? "$ac_msg"
+	pwd)`
+# When building in place, set srcdir=.
+if test "$ac_abs_confdir" = "$ac_pwd"; then
+  srcdir=.
+fi
+# Remove unnecessary trailing slashes from srcdir.
+# Double slashes in file names in object file debugging info
+# mess up M-x gdb in Emacs.
+case $srcdir in
+*/) srcdir=`expr "X$srcdir" : 'X\(.*[^/]\)' \| "X$srcdir" : 'X\(.*\)'`;;
+esac
+for ac_var in $ac_precious_vars; do
+  eval ac_env_${ac_var}_set=\${${ac_var}+set}
+  eval ac_env_${ac_var}_value=\$${ac_var}
+  eval ac_cv_env_${ac_var}_set=\${${ac_var}+set}
+  eval ac_cv_env_${ac_var}_value=\$${ac_var}
+done
+
+#
+# Report the --help message.
+#
+if test "$ac_init_help" = "long"; then
+  # Omit some internal or obsolete options to make the list less imposing.
+  # This message is too long to be a string in the A/UX 3.1 sh.
+  cat <<_ACEOF
+\`configure' configures c-ares 1.18.1 to adapt to many kinds of systems.
+
+Usage: $0 [OPTION]... [VAR=VALUE]...
+
+To assign environment variables (e.g., CC, CFLAGS...), specify them as
+VAR=VALUE.  See below for descriptions of some of the useful variables.
+
+Defaults for the options are specified in brackets.
+
+Configuration:
+  -h, --help              display this help and exit
+      --help=short        display options specific to this package
+      --help=recursive    display the short help of all the included packages
+  -V, --version           display version information and exit
+  -q, --quiet, --silent   do not print \`checking ...' messages
+      --cache-file=FILE   cache test results in FILE [disabled]
+  -C, --config-cache      alias for \`--cache-file=config.cache'
+  -n, --no-create         do not create output files
+      --srcdir=DIR        find the sources in DIR [configure dir or \`..']
+
+Installation directories:
+  --prefix=PREFIX         install architecture-independent files in PREFIX
+                          [$ac_default_prefix]
+  --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
+                          [PREFIX]
+
+By default, \`make install' will install all the files in
+\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc.  You can specify
+an installation prefix other than \`$ac_default_prefix' using \`--prefix',
+for instance \`--prefix=\$HOME'.
+
+For better control, use the options below.
+
+Fine tuning of the installation directories:
+  --bindir=DIR            user executables [EPREFIX/bin]
+  --sbindir=DIR           system admin executables [EPREFIX/sbin]
+  --libexecdir=DIR        program executables [EPREFIX/libexec]
+  --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
+  --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
+  --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
+  --runstatedir=DIR       modifiable per-process data [LOCALSTATEDIR/run]
+  --libdir=DIR            object code libraries [EPREFIX/lib]
+  --includedir=DIR        C header files [PREFIX/include]
+  --oldincludedir=DIR     C header files for non-gcc [/usr/include]
+  --datarootdir=DIR       read-only arch.-independent data root [PREFIX/share]
+  --datadir=DIR           read-only architecture-independent data [DATAROOTDIR]
+  --infodir=DIR           info documentation [DATAROOTDIR/info]
+  --localedir=DIR         locale-dependent data [DATAROOTDIR/locale]
+  --mandir=DIR            man documentation [DATAROOTDIR/man]
+  --docdir=DIR            documentation root [DATAROOTDIR/doc/c-ares]
+  --htmldir=DIR           html documentation [DOCDIR]
+  --dvidir=DIR            dvi documentation [DOCDIR]
+  --pdfdir=DIR            pdf documentation [DOCDIR]
+  --psdir=DIR             ps documentation [DOCDIR]
+_ACEOF
+
+  cat <<\_ACEOF
+
+Program names:
+  --program-prefix=PREFIX            prepend PREFIX to installed program names
+  --program-suffix=SUFFIX            append SUFFIX to installed program names
+  --program-transform-name=PROGRAM   run sed PROGRAM on installed program names
+
+System types:
+  --build=BUILD     configure for building on BUILD [guessed]
+  --host=HOST       cross-compile to build programs to run on HOST [BUILD]
+_ACEOF
+fi
+
+if test -n "$ac_init_help"; then
+  case $ac_init_help in
+     short | recursive ) echo "Configuration of c-ares 1.18.1:";;
+   esac
+  cat <<\_ACEOF
+
+Optional Features:
+  --disable-option-checking  ignore unrecognized --enable/--with options
+  --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
+  --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
+  --enable-maintainer-mode
+                          enable make rules and dependencies not useful (and
+                          sometimes confusing) to the casual installer
+  --enable-silent-rules   less verbose build output (undo: "make V=1")
+  --disable-silent-rules  verbose build output (undo: "make V=0")
+  --enable-debug          Enable debug build options
+  --disable-debug         Disable debug build options
+  --enable-optimize(=OPT) Enable compiler optimizations (default=-O2)
+  --disable-optimize      Disable compiler optimizations
+  --enable-warnings       Enable strict compiler warnings
+  --disable-warnings      Disable strict compiler warnings
+  --enable-werror         Enable compiler warnings as errors
+  --disable-werror        Disable compiler warnings as errors
+  --enable-symbol-hiding  Enable hiding of library internal symbols
+  --disable-symbol-hiding Disable hiding of library internal symbols
+  --enable-expose-statics Enable exposure of internal static functions for
+                          testing
+  --disable-expose-statics
+                          Disable exposure of internal static functions for
+                          testing
+  --enable-code-coverage  Whether to enable code coverage support
+  --enable-dependency-tracking
+                          do not reject slow dependency extractors
+  --disable-dependency-tracking
+                          speeds up one-time build
+  --disable-largefile     omit support for large files
+  --enable-shared[=PKGS]  build shared libraries [default=yes]
+  --enable-static[=PKGS]  build static libraries [default=yes]
+  --enable-fast-install[=PKGS]
+                          optimize for fast installation [default=yes]
+  --disable-libtool-lock  avoid locking (might break parallel builds)
+  --enable-libgcc         use libgcc when linking
+  --enable-nonblocking    Enable non-blocking communications
+  --disable-nonblocking   Disable non-blocking communications
+  --enable-tests          build test suite
+
+Optional Packages:
+  --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
+  --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
+  --with-gcov=GCOV        use given GCOV for coverage (GCOV=gcov).
+  --with-pic[=PKGS]       try to use only PIC/non-PIC objects [default=use
+                          both]
+  --with-aix-soname=aix|svr4|both
+                          shared library versioning (aka "SONAME") variant to
+                          provide on AIX, [default=aix].
+  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]
+  --with-sysroot[=DIR]    Search for dependent libraries within DIR (or the
+                          compiler's sysroot if not specified).
+  --with-random=FILE      read randomness from FILE (default=/dev/urandom)
+
+Some influential environment variables:
+  CC          C compiler command
+  CFLAGS      C compiler flags
+  LDFLAGS     linker flags, e.g. -L<lib dir> if you have libraries in a
+              nonstandard directory <lib dir>
+  LIBS        libraries to pass to the linker, e.g. -l<library>
+  CPPFLAGS    (Objective) C/C++ preprocessor flags, e.g. -I<include dir> if
+              you have headers in a nonstandard directory <include dir>
+  CPP         C preprocessor
+  CXX         C++ compiler command
+  CXXFLAGS    C++ compiler flags
+  LT_SYS_LIBRARY_PATH
+              User-defined run-time library search path.
+  CXXCPP      C++ preprocessor
+
+Use these variables to override the choices made by `configure' or to help
+it to find libraries and programs with nonstandard names/locations.
+
+Report bugs to <c-ares mailing list: http://lists.haxx.se/listinfo/c-ares>.
+_ACEOF
+ac_status=$?
+fi
+
+if test "$ac_init_help" = "recursive"; then
+  # If there are subdirs, report their specific --help.
+  for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue
+    test -d "$ac_dir" ||
+      { cd "$srcdir" && ac_pwd=`pwd` && srcdir=. && test -d "$ac_dir"; } ||
+      continue
+    ac_builddir=.
+
+case "$ac_dir" in
+.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
+*)
+  ac_dir_suffix=/`printf "%s\n" "$ac_dir" | sed 's|^\.[\\/]||'`
+  # A ".." for each directory in $ac_dir_suffix.
+  ac_top_builddir_sub=`printf "%s\n" "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  case $ac_top_builddir_sub in
+  "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
+  *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
+  esac ;;
+esac
+ac_abs_top_builddir=$ac_pwd
+ac_abs_builddir=$ac_pwd$ac_dir_suffix
+# for backward compatibility:
+ac_top_builddir=$ac_top_build_prefix
+
+case $srcdir in
+  .)  # We are building in place.
+    ac_srcdir=.
+    ac_top_srcdir=$ac_top_builddir_sub
+    ac_abs_top_srcdir=$ac_pwd ;;
+  [\\/]* | ?:[\\/]* )  # Absolute name.
+    ac_srcdir=$srcdir$ac_dir_suffix;
+    ac_top_srcdir=$srcdir
+    ac_abs_top_srcdir=$srcdir ;;
+  *) # Relative name.
+    ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
+    ac_top_srcdir=$ac_top_build_prefix$srcdir
+    ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
+esac
+ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
+
+    cd "$ac_dir" || { ac_status=$?; continue; }
+    # Check for configure.gnu first; this name is used for a wrapper for
+    # Metaconfig's "Configure" on case-insensitive file systems.
+    if test -f "$ac_srcdir/configure.gnu"; then
+      echo &&
+      $SHELL "$ac_srcdir/configure.gnu" --help=recursive
+    elif test -f "$ac_srcdir/configure"; then
+      echo &&
+      $SHELL "$ac_srcdir/configure" --help=recursive
+    else
+      printf "%s\n" "$as_me: WARNING: no configuration information is in $ac_dir" >&2
+    fi || ac_status=$?
+    cd "$ac_pwd" || { ac_status=$?; break; }
+  done
+fi
+
+test -n "$ac_init_help" && exit $ac_status
+if $ac_init_version; then
+  cat <<\_ACEOF
+c-ares configure 1.18.1
+generated by GNU Autoconf 2.71
+
+Copyright (C) 2021 Free Software Foundation, Inc.
+This configure script is free software; the Free Software Foundation
+gives unlimited permission to copy, distribute and modify it.
+_ACEOF
+  exit
+fi
+
+## ------------------------ ##
+## Autoconf initialization. ##
+## ------------------------ ##
+
+# ac_fn_c_try_compile LINENO
+# --------------------------
+# Try to compile conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_compile ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext conftest.beam
+  if { { ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_compile") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext
+then :
+  ac_retval=0
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_compile
+
+# ac_fn_c_try_cpp LINENO
+# ----------------------
+# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_cpp ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } > conftest.i && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }
+then :
+  ac_retval=0
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+    ac_retval=1
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_cpp
+
+# ac_fn_cxx_try_compile LINENO
+# ----------------------------
+# Try to compile conftest.$ac_ext, and return whether this succeeded.
+ac_fn_cxx_try_compile ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext conftest.beam
+  if { { ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_compile") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_cxx_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext
+then :
+  ac_retval=0
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_cxx_try_compile
+
+# ac_fn_c_try_link LINENO
+# -----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_link ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext conftest.beam conftest$ac_exeext
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 test -x conftest$ac_exeext
+       }
+then :
+  ac_retval=0
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
+  # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
+  # interfere with the next link command; also delete a directory that is
+  # left behind by Apple's compiler.  We do this before executing the actions.
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_link
+
+# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
+# -------------------------------------------------------
+# Tests whether HEADER exists and can be compiled using the include files in
+# INCLUDES, setting the cache variable VAR accordingly.
+ac_fn_c_check_header_compile ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+printf %s "checking for $2... " >&6; }
+if eval test \${$3+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+#include <$2>
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  eval "$3=yes"
+else $as_nop
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_header_compile
+
+# ac_fn_c_check_func LINENO FUNC VAR
+# ----------------------------------
+# Tests whether FUNC exists, setting the cache variable VAR accordingly
+ac_fn_c_check_func ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+printf %s "checking for $2... " >&6; }
+if eval test \${$3+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+/* Define $2 to an innocuous variant, in case <limits.h> declares $2.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $2 innocuous_$2
+
+/* System header to define __stub macros and hopefully few prototypes,
+   which can conflict with char $2 (); below.  */
+
+#include <limits.h>
+#undef $2
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $2 ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_$2 || defined __stub___$2
+choke me
+#endif
+
+int
+main (void)
+{
+return $2 ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  eval "$3=yes"
+else $as_nop
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_func
+
+# ac_fn_cxx_try_cpp LINENO
+# ------------------------
+# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
+ac_fn_cxx_try_cpp ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } > conftest.i && {
+	 test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" ||
+	 test ! -s conftest.err
+       }
+then :
+  ac_retval=0
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+    ac_retval=1
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_cxx_try_cpp
+
+# ac_fn_cxx_try_link LINENO
+# -------------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded.
+ac_fn_cxx_try_link ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext conftest.beam conftest$ac_exeext
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_cxx_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 test -x conftest$ac_exeext
+       }
+then :
+  ac_retval=0
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
+  # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
+  # interfere with the next link command; also delete a directory that is
+  # left behind by Apple's compiler.  We do this before executing the actions.
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_cxx_try_link
+
+# ac_fn_c_try_run LINENO
+# ----------------------
+# Try to run conftest.$ac_ext, and return whether this succeeded. Assumes that
+# executables *can* be run.
+ac_fn_c_try_run ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }
+then :
+  ac_retval=0
+else $as_nop
+  printf "%s\n" "$as_me: program exited with status $ac_status" >&5
+       printf "%s\n" "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+       ac_retval=$ac_status
+fi
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_run
+
+# ac_fn_check_decl LINENO SYMBOL VAR INCLUDES EXTRA-OPTIONS FLAG-VAR
+# ------------------------------------------------------------------
+# Tests whether SYMBOL is declared in INCLUDES, setting cache variable VAR
+# accordingly. Pass EXTRA-OPTIONS to the compiler, using FLAG-VAR.
+ac_fn_check_decl ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  as_decl_name=`echo $2|sed 's/ *(.*//'`
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5
+printf %s "checking whether $as_decl_name is declared... " >&6; }
+if eval test \${$3+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  as_decl_use=`echo $2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`
+  eval ac_save_FLAGS=\$$6
+  as_fn_append $6 " $5"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main (void)
+{
+#ifndef $as_decl_name
+#ifdef __cplusplus
+  (void) $as_decl_use;
+#else
+  (void) $as_decl_name;
+#endif
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  eval "$3=yes"
+else $as_nop
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+  eval $6=\$ac_save_FLAGS
+
+fi
+eval ac_res=\$$3
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_check_decl
+
+# ac_fn_c_check_type LINENO TYPE VAR INCLUDES
+# -------------------------------------------
+# Tests whether TYPE exists after having included INCLUDES, setting cache
+# variable VAR accordingly.
+ac_fn_c_check_type ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+printf %s "checking for $2... " >&6; }
+if eval test \${$3+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  eval "$3=no"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main (void)
+{
+if (sizeof ($2))
+	 return 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main (void)
+{
+if (sizeof (($2)))
+	    return 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+
+else $as_nop
+  eval "$3=yes"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_type
+
+# ac_fn_c_check_member LINENO AGGR MEMBER VAR INCLUDES
+# ----------------------------------------------------
+# Tries to find if the field MEMBER exists in type AGGR, after including
+# INCLUDES, setting cache variable VAR accordingly.
+ac_fn_c_check_member ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2.$3" >&5
+printf %s "checking for $2.$3... " >&6; }
+if eval test \${$4+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$5
+int
+main (void)
+{
+static $2 ac_aggr;
+if (ac_aggr.$3)
+return 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  eval "$4=yes"
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$5
+int
+main (void)
+{
+static $2 ac_aggr;
+if (sizeof ac_aggr.$3)
+return 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  eval "$4=yes"
+else $as_nop
+  eval "$4=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+eval ac_res=\$$4
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_member
+ac_configure_args_raw=
+for ac_arg
+do
+  case $ac_arg in
+  *\'*)
+    ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+  esac
+  as_fn_append ac_configure_args_raw " '$ac_arg'"
+done
+
+case $ac_configure_args_raw in
+  *$as_nl*)
+    ac_safe_unquote= ;;
+  *)
+    ac_unsafe_z='|&;<>()$`\\"*?[ ''	' # This string ends in space, tab.
+    ac_unsafe_a="$ac_unsafe_z#~"
+    ac_safe_unquote="s/ '\\([^$ac_unsafe_a][^$ac_unsafe_z]*\\)'/ \\1/g"
+    ac_configure_args_raw=`      printf "%s\n" "$ac_configure_args_raw" | sed "$ac_safe_unquote"`;;
+esac
+
+cat >config.log <<_ACEOF
+This file contains any messages produced by compilers while
+running configure, to aid debugging if configure makes a mistake.
+
+It was created by c-ares $as_me 1.18.1, which was
+generated by GNU Autoconf 2.71.  Invocation command line was
+
+  $ $0$ac_configure_args_raw
+
+_ACEOF
+exec 5>>config.log
+{
+cat <<_ASUNAME
+## --------- ##
+## Platform. ##
+## --------- ##
+
+hostname = `(hostname || uname -n) 2>/dev/null | sed 1q`
+uname -m = `(uname -m) 2>/dev/null || echo unknown`
+uname -r = `(uname -r) 2>/dev/null || echo unknown`
+uname -s = `(uname -s) 2>/dev/null || echo unknown`
+uname -v = `(uname -v) 2>/dev/null || echo unknown`
+
+/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown`
+/bin/uname -X     = `(/bin/uname -X) 2>/dev/null     || echo unknown`
+
+/bin/arch              = `(/bin/arch) 2>/dev/null              || echo unknown`
+/usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null       || echo unknown`
+/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown`
+/usr/bin/hostinfo      = `(/usr/bin/hostinfo) 2>/dev/null      || echo unknown`
+/bin/machine           = `(/bin/machine) 2>/dev/null           || echo unknown`
+/usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null       || echo unknown`
+/bin/universe          = `(/bin/universe) 2>/dev/null          || echo unknown`
+
+_ASUNAME
+
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    printf "%s\n" "PATH: $as_dir"
+  done
+IFS=$as_save_IFS
+
+} >&5
+
+cat >&5 <<_ACEOF
+
+
+## ----------- ##
+## Core tests. ##
+## ----------- ##
+
+_ACEOF
+
+
+# Keep a trace of the command line.
+# Strip out --no-create and --no-recursion so they do not pile up.
+# Strip out --silent because we don't want to record it for future runs.
+# Also quote any args containing shell meta-characters.
+# Make two passes to allow for proper duplicate-argument suppression.
+ac_configure_args=
+ac_configure_args0=
+ac_configure_args1=
+ac_must_keep_next=false
+for ac_pass in 1 2
+do
+  for ac_arg
+  do
+    case $ac_arg in
+    -no-create | --no-c* | -n | -no-recursion | --no-r*) continue ;;
+    -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+    | -silent | --silent | --silen | --sile | --sil)
+      continue ;;
+    *\'*)
+      ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    esac
+    case $ac_pass in
+    1) as_fn_append ac_configure_args0 " '$ac_arg'" ;;
+    2)
+      as_fn_append ac_configure_args1 " '$ac_arg'"
+      if test $ac_must_keep_next = true; then
+	ac_must_keep_next=false # Got value, back to normal.
+      else
+	case $ac_arg in
+	  *=* | --config-cache | -C | -disable-* | --disable-* \
+	  | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
+	  | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
+	  | -with-* | --with-* | -without-* | --without-* | --x)
+	    case "$ac_configure_args0 " in
+	      "$ac_configure_args1"*" '$ac_arg' "* ) continue ;;
+	    esac
+	    ;;
+	  -* ) ac_must_keep_next=true ;;
+	esac
+      fi
+      as_fn_append ac_configure_args " '$ac_arg'"
+      ;;
+    esac
+  done
+done
+{ ac_configure_args0=; unset ac_configure_args0;}
+{ ac_configure_args1=; unset ac_configure_args1;}
+
+# When interrupted or exit'd, cleanup temporary files, and complete
+# config.log.  We remove comments because anyway the quotes in there
+# would cause problems or look ugly.
+# WARNING: Use '\'' to represent an apostrophe within the trap.
+# WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug.
+trap 'exit_status=$?
+  # Sanitize IFS.
+  IFS=" ""	$as_nl"
+  # Save into config.log some information that might help in debugging.
+  {
+    echo
+
+    printf "%s\n" "## ---------------- ##
+## Cache variables. ##
+## ---------------- ##"
+    echo
+    # The following way of writing the cache mishandles newlines in values,
+(
+  for ac_var in `(set) 2>&1 | sed -n '\''s/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'\''`; do
+    eval ac_val=\$$ac_var
+    case $ac_val in #(
+    *${as_nl}*)
+      case $ac_var in #(
+      *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      esac
+      case $ac_var in #(
+      _ | IFS | as_nl) ;; #(
+      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
+      *) { eval $ac_var=; unset $ac_var;} ;;
+      esac ;;
+    esac
+  done
+  (set) 2>&1 |
+    case $as_nl`(ac_space='\'' '\''; set) 2>&1` in #(
+    *${as_nl}ac_space=\ *)
+      sed -n \
+	"s/'\''/'\''\\\\'\'''\''/g;
+	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\''\\2'\''/p"
+      ;; #(
+    *)
+      sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
+      ;;
+    esac |
+    sort
+)
+    echo
+
+    printf "%s\n" "## ----------------- ##
+## Output variables. ##
+## ----------------- ##"
+    echo
+    for ac_var in $ac_subst_vars
+    do
+      eval ac_val=\$$ac_var
+      case $ac_val in
+      *\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+      esac
+      printf "%s\n" "$ac_var='\''$ac_val'\''"
+    done | sort
+    echo
+
+    if test -n "$ac_subst_files"; then
+      printf "%s\n" "## ------------------- ##
+## File substitutions. ##
+## ------------------- ##"
+      echo
+      for ac_var in $ac_subst_files
+      do
+	eval ac_val=\$$ac_var
+	case $ac_val in
+	*\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+	esac
+	printf "%s\n" "$ac_var='\''$ac_val'\''"
+      done | sort
+      echo
+    fi
+
+    if test -s confdefs.h; then
+      printf "%s\n" "## ----------- ##
+## confdefs.h. ##
+## ----------- ##"
+      echo
+      cat confdefs.h
+      echo
+    fi
+    test "$ac_signal" != 0 &&
+      printf "%s\n" "$as_me: caught signal $ac_signal"
+    printf "%s\n" "$as_me: exit $exit_status"
+  } >&5
+  rm -f core *.core core.conftest.* &&
+    rm -f -r conftest* confdefs* conf$$* $ac_clean_files &&
+    exit $exit_status
+' 0
+for ac_signal in 1 2 13 15; do
+  trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal
+done
+ac_signal=0
+
+# confdefs.h avoids OS command line length limits that DEFS can exceed.
+rm -f -r conftest* confdefs.h
+
+printf "%s\n" "/* confdefs.h */" > confdefs.h
+
+# Predefined preprocessor variables.
+
+printf "%s\n" "#define PACKAGE_NAME \"$PACKAGE_NAME\"" >>confdefs.h
+
+printf "%s\n" "#define PACKAGE_TARNAME \"$PACKAGE_TARNAME\"" >>confdefs.h
+
+printf "%s\n" "#define PACKAGE_VERSION \"$PACKAGE_VERSION\"" >>confdefs.h
+
+printf "%s\n" "#define PACKAGE_STRING \"$PACKAGE_STRING\"" >>confdefs.h
+
+printf "%s\n" "#define PACKAGE_BUGREPORT \"$PACKAGE_BUGREPORT\"" >>confdefs.h
+
+printf "%s\n" "#define PACKAGE_URL \"$PACKAGE_URL\"" >>confdefs.h
+
+
+# Let the site file select an alternate cache file if it wants to.
+# Prefer an explicitly selected file to automatically selected ones.
+if test -n "$CONFIG_SITE"; then
+  ac_site_files="$CONFIG_SITE"
+elif test "x$prefix" != xNONE; then
+  ac_site_files="$prefix/share/config.site $prefix/etc/config.site"
+else
+  ac_site_files="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
+fi
+
+for ac_site_file in $ac_site_files
+do
+  case $ac_site_file in #(
+  */*) :
+     ;; #(
+  *) :
+    ac_site_file=./$ac_site_file ;;
+esac
+  if test -f "$ac_site_file" && test -r "$ac_site_file"; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
+printf "%s\n" "$as_me: loading site script $ac_site_file" >&6;}
+    sed 's/^/| /' "$ac_site_file" >&5
+    . "$ac_site_file" \
+      || { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "failed to load site script $ac_site_file
+See \`config.log' for more details" "$LINENO" 5; }
+  fi
+done
+
+if test -r "$cache_file"; then
+  # Some versions of bash will fail to source /dev/null (special files
+  # actually), so we avoid doing that.  DJGPP emulates it as a regular file.
+  if test /dev/null != "$cache_file" && test -f "$cache_file"; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
+printf "%s\n" "$as_me: loading cache $cache_file" >&6;}
+    case $cache_file in
+      [\\/]* | ?:[\\/]* ) . "$cache_file";;
+      *)                      . "./$cache_file";;
+    esac
+  fi
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
+printf "%s\n" "$as_me: creating cache $cache_file" >&6;}
+  >$cache_file
+fi
+
+# Test code for whether the C compiler supports C89 (global declarations)
+ac_c_conftest_c89_globals='
+/* Does the compiler advertise C89 conformance?
+   Do not test the value of __STDC__, because some compilers set it to 0
+   while being otherwise adequately conformant. */
+#if !defined __STDC__
+# error "Compiler does not advertise C89 conformance"
+#endif
+
+#include <stddef.h>
+#include <stdarg.h>
+struct stat;
+/* Most of the following tests are stolen from RCS 5.7 src/conf.sh.  */
+struct buf { int x; };
+struct buf * (*rcsopen) (struct buf *, struct stat *, int);
+static char *e (p, i)
+     char **p;
+     int i;
+{
+  return p[i];
+}
+static char *f (char * (*g) (char **, int), char **p, ...)
+{
+  char *s;
+  va_list v;
+  va_start (v,p);
+  s = g (p, va_arg (v,int));
+  va_end (v);
+  return s;
+}
+
+/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
+   function prototypes and stuff, but not \xHH hex character constants.
+   These do not provoke an error unfortunately, instead are silently treated
+   as an "x".  The following induces an error, until -std is added to get
+   proper ANSI mode.  Curiously \x00 != x always comes out true, for an
+   array size at least.  It is necessary to write \x00 == 0 to get something
+   that is true only with -std.  */
+int osf4_cc_array ['\''\x00'\'' == 0 ? 1 : -1];
+
+/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
+   inside strings and character constants.  */
+#define FOO(x) '\''x'\''
+int xlc6_cc_array[FOO(a) == '\''x'\'' ? 1 : -1];
+
+int test (int i, double x);
+struct s1 {int (*f) (int a);};
+struct s2 {int (*f) (double a);};
+int pairnames (int, char **, int *(*)(struct buf *, struct stat *, int),
+               int, int);'
+
+# Test code for whether the C compiler supports C89 (body of main).
+ac_c_conftest_c89_main='
+ok |= (argc == 0 || f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]);
+'
+
+# Test code for whether the C compiler supports C99 (global declarations)
+ac_c_conftest_c99_globals='
+// Does the compiler advertise C99 conformance?
+#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L
+# error "Compiler does not advertise C99 conformance"
+#endif
+
+#include <stdbool.h>
+extern int puts (const char *);
+extern int printf (const char *, ...);
+extern int dprintf (int, const char *, ...);
+extern void *malloc (size_t);
+
+// Check varargs macros.  These examples are taken from C99 6.10.3.5.
+// dprintf is used instead of fprintf to avoid needing to declare
+// FILE and stderr.
+#define debug(...) dprintf (2, __VA_ARGS__)
+#define showlist(...) puts (#__VA_ARGS__)
+#define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__))
+static void
+test_varargs_macros (void)
+{
+  int x = 1234;
+  int y = 5678;
+  debug ("Flag");
+  debug ("X = %d\n", x);
+  showlist (The first, second, and third items.);
+  report (x>y, "x is %d but y is %d", x, y);
+}
+
+// Check long long types.
+#define BIG64 18446744073709551615ull
+#define BIG32 4294967295ul
+#define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0)
+#if !BIG_OK
+  #error "your preprocessor is broken"
+#endif
+#if BIG_OK
+#else
+  #error "your preprocessor is broken"
+#endif
+static long long int bignum = -9223372036854775807LL;
+static unsigned long long int ubignum = BIG64;
+
+struct incomplete_array
+{
+  int datasize;
+  double data[];
+};
+
+struct named_init {
+  int number;
+  const wchar_t *name;
+  double average;
+};
+
+typedef const char *ccp;
+
+static inline int
+test_restrict (ccp restrict text)
+{
+  // See if C++-style comments work.
+  // Iterate through items via the restricted pointer.
+  // Also check for declarations in for loops.
+  for (unsigned int i = 0; *(text+i) != '\''\0'\''; ++i)
+    continue;
+  return 0;
+}
+
+// Check varargs and va_copy.
+static bool
+test_varargs (const char *format, ...)
+{
+  va_list args;
+  va_start (args, format);
+  va_list args_copy;
+  va_copy (args_copy, args);
+
+  const char *str = "";
+  int number = 0;
+  float fnumber = 0;
+
+  while (*format)
+    {
+      switch (*format++)
+	{
+	case '\''s'\'': // string
+	  str = va_arg (args_copy, const char *);
+	  break;
+	case '\''d'\'': // int
+	  number = va_arg (args_copy, int);
+	  break;
+	case '\''f'\'': // float
+	  fnumber = va_arg (args_copy, double);
+	  break;
+	default:
+	  break;
+	}
+    }
+  va_end (args_copy);
+  va_end (args);
+
+  return *str && number && fnumber;
+}
+'
+
+# Test code for whether the C compiler supports C99 (body of main).
+ac_c_conftest_c99_main='
+  // Check bool.
+  _Bool success = false;
+  success |= (argc != 0);
+
+  // Check restrict.
+  if (test_restrict ("String literal") == 0)
+    success = true;
+  char *restrict newvar = "Another string";
+
+  // Check varargs.
+  success &= test_varargs ("s, d'\'' f .", "string", 65, 34.234);
+  test_varargs_macros ();
+
+  // Check flexible array members.
+  struct incomplete_array *ia =
+    malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10));
+  ia->datasize = 10;
+  for (int i = 0; i < ia->datasize; ++i)
+    ia->data[i] = i * 1.234;
+
+  // Check named initializers.
+  struct named_init ni = {
+    .number = 34,
+    .name = L"Test wide string",
+    .average = 543.34343,
+  };
+
+  ni.number = 58;
+
+  int dynamic_array[ni.number];
+  dynamic_array[0] = argv[0][0];
+  dynamic_array[ni.number - 1] = 543;
+
+  // work around unused variable warnings
+  ok |= (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == '\''x'\''
+	 || dynamic_array[ni.number - 1] != 543);
+'
+
+# Test code for whether the C compiler supports C11 (global declarations)
+ac_c_conftest_c11_globals='
+// Does the compiler advertise C11 conformance?
+#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L
+# error "Compiler does not advertise C11 conformance"
+#endif
+
+// Check _Alignas.
+char _Alignas (double) aligned_as_double;
+char _Alignas (0) no_special_alignment;
+extern char aligned_as_int;
+char _Alignas (0) _Alignas (int) aligned_as_int;
+
+// Check _Alignof.
+enum
+{
+  int_alignment = _Alignof (int),
+  int_array_alignment = _Alignof (int[100]),
+  char_alignment = _Alignof (char)
+};
+_Static_assert (0 < -_Alignof (int), "_Alignof is signed");
+
+// Check _Noreturn.
+int _Noreturn does_not_return (void) { for (;;) continue; }
+
+// Check _Static_assert.
+struct test_static_assert
+{
+  int x;
+  _Static_assert (sizeof (int) <= sizeof (long int),
+                  "_Static_assert does not work in struct");
+  long int y;
+};
+
+// Check UTF-8 literals.
+#define u8 syntax error!
+char const utf8_literal[] = u8"happens to be ASCII" "another string";
+
+// Check duplicate typedefs.
+typedef long *long_ptr;
+typedef long int *long_ptr;
+typedef long_ptr long_ptr;
+
+// Anonymous structures and unions -- taken from C11 6.7.2.1 Example 1.
+struct anonymous
+{
+  union {
+    struct { int i; int j; };
+    struct { int k; long int l; } w;
+  };
+  int m;
+} v1;
+'
+
+# Test code for whether the C compiler supports C11 (body of main).
+ac_c_conftest_c11_main='
+  _Static_assert ((offsetof (struct anonymous, i)
+		   == offsetof (struct anonymous, w.k)),
+		  "Anonymous union alignment botch");
+  v1.i = 2;
+  v1.w.k = 5;
+  ok |= v1.i != 5;
+'
+
+# Test code for whether the C compiler supports C11 (complete).
+ac_c_conftest_c11_program="${ac_c_conftest_c89_globals}
+${ac_c_conftest_c99_globals}
+${ac_c_conftest_c11_globals}
+
+int
+main (int argc, char **argv)
+{
+  int ok = 0;
+  ${ac_c_conftest_c89_main}
+  ${ac_c_conftest_c99_main}
+  ${ac_c_conftest_c11_main}
+  return ok;
+}
+"
+
+# Test code for whether the C compiler supports C99 (complete).
+ac_c_conftest_c99_program="${ac_c_conftest_c89_globals}
+${ac_c_conftest_c99_globals}
+
+int
+main (int argc, char **argv)
+{
+  int ok = 0;
+  ${ac_c_conftest_c89_main}
+  ${ac_c_conftest_c99_main}
+  return ok;
+}
+"
+
+# Test code for whether the C compiler supports C89 (complete).
+ac_c_conftest_c89_program="${ac_c_conftest_c89_globals}
+
+int
+main (int argc, char **argv)
+{
+  int ok = 0;
+  ${ac_c_conftest_c89_main}
+  return ok;
+}
+"
+
+# Test code for whether the C++ compiler supports C++98 (global declarations)
+ac_cxx_conftest_cxx98_globals='
+// Does the compiler advertise C++98 conformance?
+#if !defined __cplusplus || __cplusplus < 199711L
+# error "Compiler does not advertise C++98 conformance"
+#endif
+
+// These inclusions are to reject old compilers that
+// lack the unsuffixed header files.
+#include <cstdlib>
+#include <exception>
+
+// <cassert> and <cstring> are *not* freestanding headers in C++98.
+extern void assert (int);
+namespace std {
+  extern int strcmp (const char *, const char *);
+}
+
+// Namespaces, exceptions, and templates were all added after "C++ 2.0".
+using std::exception;
+using std::strcmp;
+
+namespace {
+
+void test_exception_syntax()
+{
+  try {
+    throw "test";
+  } catch (const char *s) {
+    // Extra parentheses suppress a warning when building autoconf itself,
+    // due to lint rules shared with more typical C programs.
+    assert (!(strcmp) (s, "test"));
+  }
+}
+
+template <typename T> struct test_template
+{
+  T const val;
+  explicit test_template(T t) : val(t) {}
+  template <typename U> T add(U u) { return static_cast<T>(u) + val; }
+};
+
+} // anonymous namespace
+'
+
+# Test code for whether the C++ compiler supports C++98 (body of main)
+ac_cxx_conftest_cxx98_main='
+  assert (argc);
+  assert (! argv[0]);
+{
+  test_exception_syntax ();
+  test_template<double> tt (2.0);
+  assert (tt.add (4) == 6.0);
+  assert (true && !false);
+}
+'
+
+# Test code for whether the C++ compiler supports C++11 (global declarations)
+ac_cxx_conftest_cxx11_globals='
+// Does the compiler advertise C++ 2011 conformance?
+#if !defined __cplusplus || __cplusplus < 201103L
+# error "Compiler does not advertise C++11 conformance"
+#endif
+
+namespace cxx11test
+{
+  constexpr int get_val() { return 20; }
+
+  struct testinit
+  {
+    int i;
+    double d;
+  };
+
+  class delegate
+  {
+  public:
+    delegate(int n) : n(n) {}
+    delegate(): delegate(2354) {}
+
+    virtual int getval() { return this->n; };
+  protected:
+    int n;
+  };
+
+  class overridden : public delegate
+  {
+  public:
+    overridden(int n): delegate(n) {}
+    virtual int getval() override final { return this->n * 2; }
+  };
+
+  class nocopy
+  {
+  public:
+    nocopy(int i): i(i) {}
+    nocopy() = default;
+    nocopy(const nocopy&) = delete;
+    nocopy & operator=(const nocopy&) = delete;
+  private:
+    int i;
+  };
+
+  // for testing lambda expressions
+  template <typename Ret, typename Fn> Ret eval(Fn f, Ret v)
+  {
+    return f(v);
+  }
+
+  // for testing variadic templates and trailing return types
+  template <typename V> auto sum(V first) -> V
+  {
+    return first;
+  }
+  template <typename V, typename... Args> auto sum(V first, Args... rest) -> V
+  {
+    return first + sum(rest...);
+  }
+}
+'
+
+# Test code for whether the C++ compiler supports C++11 (body of main)
+ac_cxx_conftest_cxx11_main='
+{
+  // Test auto and decltype
+  auto a1 = 6538;
+  auto a2 = 48573953.4;
+  auto a3 = "String literal";
+
+  int total = 0;
+  for (auto i = a3; *i; ++i) { total += *i; }
+
+  decltype(a2) a4 = 34895.034;
+}
+{
+  // Test constexpr
+  short sa[cxx11test::get_val()] = { 0 };
+}
+{
+  // Test initializer lists
+  cxx11test::testinit il = { 4323, 435234.23544 };
+}
+{
+  // Test range-based for
+  int array[] = {9, 7, 13, 15, 4, 18, 12, 10, 5, 3,
+                 14, 19, 17, 8, 6, 20, 16, 2, 11, 1};
+  for (auto &x : array) { x += 23; }
+}
+{
+  // Test lambda expressions
+  using cxx11test::eval;
+  assert (eval ([](int x) { return x*2; }, 21) == 42);
+  double d = 2.0;
+  assert (eval ([&](double x) { return d += x; }, 3.0) == 5.0);
+  assert (d == 5.0);
+  assert (eval ([=](double x) mutable { return d += x; }, 4.0) == 9.0);
+  assert (d == 5.0);
+}
+{
+  // Test use of variadic templates
+  using cxx11test::sum;
+  auto a = sum(1);
+  auto b = sum(1, 2);
+  auto c = sum(1.0, 2.0, 3.0);
+}
+{
+  // Test constructor delegation
+  cxx11test::delegate d1;
+  cxx11test::delegate d2();
+  cxx11test::delegate d3(45);
+}
+{
+  // Test override and final
+  cxx11test::overridden o1(55464);
+}
+{
+  // Test nullptr
+  char *c = nullptr;
+}
+{
+  // Test template brackets
+  test_template<::test_template<int>> v(test_template<int>(12));
+}
+{
+  // Unicode literals
+  char const *utf8 = u8"UTF-8 string \u2500";
+  char16_t const *utf16 = u"UTF-8 string \u2500";
+  char32_t const *utf32 = U"UTF-32 string \u2500";
+}
+'
+
+# Test code for whether the C compiler supports C++11 (complete).
+ac_cxx_conftest_cxx11_program="${ac_cxx_conftest_cxx98_globals}
+${ac_cxx_conftest_cxx11_globals}
+
+int
+main (int argc, char **argv)
+{
+  int ok = 0;
+  ${ac_cxx_conftest_cxx98_main}
+  ${ac_cxx_conftest_cxx11_main}
+  return ok;
+}
+"
+
+# Test code for whether the C compiler supports C++98 (complete).
+ac_cxx_conftest_cxx98_program="${ac_cxx_conftest_cxx98_globals}
+int
+main (int argc, char **argv)
+{
+  int ok = 0;
+  ${ac_cxx_conftest_cxx98_main}
+  return ok;
+}
+"
+
+as_fn_append ac_header_c_list " stdio.h stdio_h HAVE_STDIO_H"
+as_fn_append ac_header_c_list " stdlib.h stdlib_h HAVE_STDLIB_H"
+as_fn_append ac_header_c_list " string.h string_h HAVE_STRING_H"
+as_fn_append ac_header_c_list " inttypes.h inttypes_h HAVE_INTTYPES_H"
+as_fn_append ac_header_c_list " stdint.h stdint_h HAVE_STDINT_H"
+as_fn_append ac_header_c_list " strings.h strings_h HAVE_STRINGS_H"
+as_fn_append ac_header_c_list " sys/stat.h sys_stat_h HAVE_SYS_STAT_H"
+as_fn_append ac_header_c_list " sys/types.h sys_types_h HAVE_SYS_TYPES_H"
+as_fn_append ac_header_c_list " unistd.h unistd_h HAVE_UNISTD_H"
+as_fn_append ac_header_c_list " sys/time.h sys_time_h HAVE_SYS_TIME_H"
+
+# Auxiliary files required by this configure script.
+ac_aux_files="ltmain.sh missing compile install-sh config.guess config.sub"
+
+# Locations in which to look for auxiliary files.
+ac_aux_dir_candidates="${srcdir}${PATH_SEPARATOR}${srcdir}/..${PATH_SEPARATOR}${srcdir}/../.."
+
+# Search for a directory containing all of the required auxiliary files,
+# $ac_aux_files, from the $PATH-style list $ac_aux_dir_candidates.
+# If we don't find one directory that contains all the files we need,
+# we report the set of missing files from the *first* directory in
+# $ac_aux_dir_candidates and give up.
+ac_missing_aux_files=""
+ac_first_candidate=:
+printf "%s\n" "$as_me:${as_lineno-$LINENO}: looking for aux files: $ac_aux_files" >&5
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+as_found=false
+for as_dir in $ac_aux_dir_candidates
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+  as_found=:
+
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}:  trying $as_dir" >&5
+  ac_aux_dir_found=yes
+  ac_install_sh=
+  for ac_aux in $ac_aux_files
+  do
+    # As a special case, if "install-sh" is required, that requirement
+    # can be satisfied by any of "install-sh", "install.sh", or "shtool",
+    # and $ac_install_sh is set appropriately for whichever one is found.
+    if test x"$ac_aux" = x"install-sh"
+    then
+      if test -f "${as_dir}install-sh"; then
+        printf "%s\n" "$as_me:${as_lineno-$LINENO}:   ${as_dir}install-sh found" >&5
+        ac_install_sh="${as_dir}install-sh -c"
+      elif test -f "${as_dir}install.sh"; then
+        printf "%s\n" "$as_me:${as_lineno-$LINENO}:   ${as_dir}install.sh found" >&5
+        ac_install_sh="${as_dir}install.sh -c"
+      elif test -f "${as_dir}shtool"; then
+        printf "%s\n" "$as_me:${as_lineno-$LINENO}:   ${as_dir}shtool found" >&5
+        ac_install_sh="${as_dir}shtool install -c"
+      else
+        ac_aux_dir_found=no
+        if $ac_first_candidate; then
+          ac_missing_aux_files="${ac_missing_aux_files} install-sh"
+        else
+          break
+        fi
+      fi
+    else
+      if test -f "${as_dir}${ac_aux}"; then
+        printf "%s\n" "$as_me:${as_lineno-$LINENO}:   ${as_dir}${ac_aux} found" >&5
+      else
+        ac_aux_dir_found=no
+        if $ac_first_candidate; then
+          ac_missing_aux_files="${ac_missing_aux_files} ${ac_aux}"
+        else
+          break
+        fi
+      fi
+    fi
+  done
+  if test "$ac_aux_dir_found" = yes; then
+    ac_aux_dir="$as_dir"
+    break
+  fi
+  ac_first_candidate=false
+
+  as_found=false
+done
+IFS=$as_save_IFS
+if $as_found
+then :
+
+else $as_nop
+  as_fn_error $? "cannot find required auxiliary files:$ac_missing_aux_files" "$LINENO" 5
+fi
+
+
+# These three variables are undocumented and unsupported,
+# and are intended to be withdrawn in a future Autoconf release.
+# They can cause serious problems if a builder's source tree is in a directory
+# whose full name contains unusual characters.
+if test -f "${ac_aux_dir}config.guess"; then
+  ac_config_guess="$SHELL ${ac_aux_dir}config.guess"
+fi
+if test -f "${ac_aux_dir}config.sub"; then
+  ac_config_sub="$SHELL ${ac_aux_dir}config.sub"
+fi
+if test -f "$ac_aux_dir/configure"; then
+  ac_configure="$SHELL ${ac_aux_dir}configure"
+fi
+
+# Check that the precious variables saved in the cache have kept the same
+# value.
+ac_cache_corrupted=false
+for ac_var in $ac_precious_vars; do
+  eval ac_old_set=\$ac_cv_env_${ac_var}_set
+  eval ac_new_set=\$ac_env_${ac_var}_set
+  eval ac_old_val=\$ac_cv_env_${ac_var}_value
+  eval ac_new_val=\$ac_env_${ac_var}_value
+  case $ac_old_set,$ac_new_set in
+    set,)
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+printf "%s\n" "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
+      ac_cache_corrupted=: ;;
+    ,set)
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5
+printf "%s\n" "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
+      ac_cache_corrupted=: ;;
+    ,);;
+    *)
+      if test "x$ac_old_val" != "x$ac_new_val"; then
+	# differences in whitespace do not lead to failure.
+	ac_old_val_w=`echo x $ac_old_val`
+	ac_new_val_w=`echo x $ac_new_val`
+	if test "$ac_old_val_w" != "$ac_new_val_w"; then
+	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
+printf "%s\n" "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
+	  ac_cache_corrupted=:
+	else
+	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
+printf "%s\n" "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
+	  eval $ac_var=\$ac_old_val
+	fi
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5
+printf "%s\n" "$as_me:   former value:  \`$ac_old_val'" >&2;}
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5
+printf "%s\n" "$as_me:   current value: \`$ac_new_val'" >&2;}
+      fi;;
+  esac
+  # Pass precious variables to config.status.
+  if test "$ac_new_set" = set; then
+    case $ac_new_val in
+    *\'*) ac_arg=$ac_var=`printf "%s\n" "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *) ac_arg=$ac_var=$ac_new_val ;;
+    esac
+    case " $ac_configure_args " in
+      *" '$ac_arg' "*) ;; # Avoid dups.  Use of quotes ensures accuracy.
+      *) as_fn_append ac_configure_args " '$ac_arg'" ;;
+    esac
+  fi
+done
+if $ac_cache_corrupted; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
+printf "%s\n" "$as_me: error: changes in the environment can compromise the build" >&2;}
+  as_fn_error $? "run \`${MAKE-make} distclean' and/or \`rm $cache_file'
+	    and start over" "$LINENO" 5
+fi
+## -------------------- ##
+## Main body of script. ##
+## -------------------- ##
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+
+CARES_VERSION_INFO="7:1:5"
+
+
+
+ac_config_headers="$ac_config_headers src/lib/ares_config.h include/ares_build.h"
+
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to enable maintainer-specific portions of Makefiles" >&5
+printf %s "checking whether to enable maintainer-specific portions of Makefiles... " >&6; }
+    # Check whether --enable-maintainer-mode was given.
+if test ${enable_maintainer_mode+y}
+then :
+  enableval=$enable_maintainer_mode; USE_MAINTAINER_MODE=$enableval
+else $as_nop
+  USE_MAINTAINER_MODE=no
+fi
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $USE_MAINTAINER_MODE" >&5
+printf "%s\n" "$USE_MAINTAINER_MODE" >&6; }
+   if test $USE_MAINTAINER_MODE = yes; then
+  MAINTAINER_MODE_TRUE=
+  MAINTAINER_MODE_FALSE='#'
+else
+  MAINTAINER_MODE_TRUE='#'
+  MAINTAINER_MODE_FALSE=
+fi
+
+  MAINT=$MAINTAINER_MODE_TRUE
+
+
+# Check whether --enable-silent-rules was given.
+if test ${enable_silent_rules+y}
+then :
+  enableval=$enable_silent_rules;
+fi
+
+case $enable_silent_rules in # (((
+  yes) AM_DEFAULT_VERBOSITY=0;;
+   no) AM_DEFAULT_VERBOSITY=1;;
+    *) AM_DEFAULT_VERBOSITY=0;;
+esac
+am_make=${MAKE-make}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $am_make supports nested variables" >&5
+printf %s "checking whether $am_make supports nested variables... " >&6; }
+if test ${am_cv_make_support_nested_variables+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if printf "%s\n" 'TRUE=$(BAR$(V))
+BAR0=false
+BAR1=true
+V=1
+am__doit:
+	@$(TRUE)
+.PHONY: am__doit' | $am_make -f - >/dev/null 2>&1; then
+  am_cv_make_support_nested_variables=yes
+else
+  am_cv_make_support_nested_variables=no
+fi
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_make_support_nested_variables" >&5
+printf "%s\n" "$am_cv_make_support_nested_variables" >&6; }
+if test $am_cv_make_support_nested_variables = yes; then
+    AM_V='$(V)'
+  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
+else
+  AM_V=$AM_DEFAULT_VERBOSITY
+  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
+fi
+AM_BACKSLASH='\'
+
+
+
+
+
+
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to enable debug build options" >&5
+printf %s "checking whether to enable debug build options... " >&6; }
+  OPT_DEBUG_BUILD="default"
+  # Check whether --enable-debug was given.
+if test ${enable_debug+y}
+then :
+  enableval=$enable_debug; OPT_DEBUG_BUILD=$enableval
+fi
+
+  case "$OPT_DEBUG_BUILD" in
+    no)
+            want_debug="no"
+      ;;
+    default)
+            want_debug="no"
+      ;;
+    *)
+            want_debug="yes"
+      ;;
+  esac
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $want_debug" >&5
+printf "%s\n" "$want_debug" >&6; }
+
+
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to enable compiler optimizer" >&5
+printf %s "checking whether to enable compiler optimizer... " >&6; }
+  OPT_COMPILER_OPTIMIZE="default"
+  # Check whether --enable-optimize was given.
+if test ${enable_optimize+y}
+then :
+  enableval=$enable_optimize; OPT_COMPILER_OPTIMIZE=$enableval
+fi
+
+  case "$OPT_COMPILER_OPTIMIZE" in
+    no)
+                              want_optimize="no"
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+      ;;
+    default)
+                                                                        if test "$want_debug" = "yes"; then
+        want_optimize="assume_no"
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not specified (assuming no)" >&5
+printf "%s\n" "not specified (assuming no)" >&6; }
+      else
+        want_optimize="assume_yes"
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not specified (assuming yes)" >&5
+printf "%s\n" "not specified (assuming yes)" >&6; }
+      fi
+      ;;
+    *)
+                              want_optimize="yes"
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+      ;;
+  esac
+
+
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to enable strict compiler warnings" >&5
+printf %s "checking whether to enable strict compiler warnings... " >&6; }
+  OPT_COMPILER_WARNINGS="default"
+  # Check whether --enable-warnings was given.
+if test ${enable_warnings+y}
+then :
+  enableval=$enable_warnings; OPT_COMPILER_WARNINGS=$enableval
+fi
+
+  case "$OPT_COMPILER_WARNINGS" in
+    no)
+            want_warnings="no"
+      ;;
+    default)
+                  want_warnings="$want_debug"
+      ;;
+    *)
+            want_warnings="yes"
+      ;;
+  esac
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $want_warnings" >&5
+printf "%s\n" "$want_warnings" >&6; }
+
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to enable compiler warnings as errors" >&5
+printf %s "checking whether to enable compiler warnings as errors... " >&6; }
+  OPT_COMPILER_WERROR="default"
+  # Check whether --enable-werror was given.
+if test ${enable_werror+y}
+then :
+  enableval=$enable_werror; OPT_COMPILER_WERROR=$enableval
+fi
+
+  case "$OPT_COMPILER_WERROR" in
+    no)
+            want_werror="no"
+      ;;
+    default)
+            want_werror="no"
+      ;;
+    *)
+            want_werror="yes"
+      ;;
+  esac
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $want_werror" >&5
+printf "%s\n" "$want_werror" >&6; }
+
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to enable hiding of library internal symbols" >&5
+printf %s "checking whether to enable hiding of library internal symbols... " >&6; }
+  OPT_SYMBOL_HIDING="default"
+  # Check whether --enable-symbol-hiding was given.
+if test ${enable_symbol_hiding+y}
+then :
+  enableval=$enable_symbol_hiding; OPT_SYMBOL_HIDING=$enableval
+fi
+
+  case "$OPT_SYMBOL_HIDING" in
+    no)
+                              want_symbol_hiding="no"
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+      ;;
+    default)
+                  want_symbol_hiding="yes"
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+      ;;
+    *)
+                        want_symbol_hiding="yes"
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+      ;;
+  esac
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to expose internal static functions for testing" >&5
+printf %s "checking whether to expose internal static functions for testing... " >&6; }
+  OPT_EXPOSE_STATICS="default"
+  # Check whether --enable-expose-statics was given.
+if test ${enable_expose_statics+y}
+then :
+  enableval=$enable_expose_statics; OPT_EXPOSE_STATICS=$enableval
+fi
+
+  case "$OPT_EXPOSE_STATICS" in
+    no)
+            want_expose_statics="no"
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+      ;;
+    default)
+                  want_expose_statics="no"
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+      ;;
+    *)
+            want_expose_statics="yes"
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+      ;;
+  esac
+  if test "$want_expose_statics" = "yes"; then
+
+printf "%s\n" "#define CARES_EXPOSE_STATICS 1" >>confdefs.h
+
+  fi
+
+
+#
+# Check that 'XC_CONFIGURE_PREAMBLE' has already run.
+#
+
+if test -z "$xc_configure_preamble_result"; then
+  as_fn_error $? "xc_configure_preamble_result not set (internal problem)" "$LINENO" 5
+fi
+
+#
+# Check that 'PATH_SEPARATOR' has already been set.
+#
+
+if test -z "$xc_PATH_SEPARATOR"; then
+  as_fn_error $? "xc_PATH_SEPARATOR not set (internal problem)" "$LINENO" 5
+fi
+if test -z "$PATH_SEPARATOR"; then
+  as_fn_error $? "PATH_SEPARATOR not set (internal or config.site problem)" "$LINENO" 5
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for path separator" >&5
+printf %s "checking for path separator... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $PATH_SEPARATOR" >&5
+printf "%s\n" "$PATH_SEPARATOR" >&6; }
+if test "x$PATH_SEPARATOR" != "x$xc_PATH_SEPARATOR"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for initial path separator" >&5
+printf %s "checking for initial path separator... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $xc_PATH_SEPARATOR" >&5
+printf "%s\n" "$xc_PATH_SEPARATOR" >&6; }
+  as_fn_error $? "path separator mismatch (internal or config.site problem)" "$LINENO" 5
+fi
+
+
+# Extract the first word of "sed", so it can be a program name with args.
+set dummy sed; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_path_SED+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  case $SED in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_SED="$SED" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+as_dummy="$PATH:/usr/bin:/usr/local/bin"
+for as_dir in $as_dummy
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_path_SED="$as_dir$ac_word$ac_exec_ext"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  test -z "$ac_cv_path_SED" && ac_cv_path_SED="not_found"
+  ;;
+esac
+fi
+SED=$ac_cv_path_SED
+if test -n "$SED"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $SED" >&5
+printf "%s\n" "$SED" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+if test -z "$SED" || test "$SED" = "not_found"; then
+  as_fn_error $? "sed not found in PATH. Cannot continue without sed." "$LINENO" 5
+fi
+
+
+# Extract the first word of "grep", so it can be a program name with args.
+set dummy grep; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_path_GREP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  case $GREP in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_GREP="$GREP" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+as_dummy="$PATH:/usr/bin:/usr/local/bin"
+for as_dir in $as_dummy
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_path_GREP="$as_dir$ac_word$ac_exec_ext"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  test -z "$ac_cv_path_GREP" && ac_cv_path_GREP="not_found"
+  ;;
+esac
+fi
+GREP=$ac_cv_path_GREP
+if test -n "$GREP"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $GREP" >&5
+printf "%s\n" "$GREP" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+if test -z "$GREP" || test "$GREP" = "not_found"; then
+  as_fn_error $? "grep not found in PATH. Cannot continue without grep." "$LINENO" 5
+fi
+
+
+if echo a | ($GREP -E '(a|b)') >/dev/null 2>&1; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
+printf %s "checking for egrep... " >&6; }
+  EGREP="$GREP -E"
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $EGREP" >&5
+printf "%s\n" "$EGREP" >&6; }
+else
+  # Extract the first word of "egrep", so it can be a program name with args.
+set dummy egrep; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_path_EGREP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  case $EGREP in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_EGREP="$EGREP" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+as_dummy="$PATH:/usr/bin:/usr/local/bin"
+for as_dir in $as_dummy
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_path_EGREP="$as_dir$ac_word$ac_exec_ext"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  test -z "$ac_cv_path_EGREP" && ac_cv_path_EGREP="not_found"
+  ;;
+esac
+fi
+EGREP=$ac_cv_path_EGREP
+if test -n "$EGREP"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $EGREP" >&5
+printf "%s\n" "$EGREP" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$EGREP" || test "$EGREP" = "not_found"; then
+  as_fn_error $? "egrep not found in PATH. Cannot continue without egrep." "$LINENO" 5
+fi
+
+
+if test -z "$AR"; then
+    if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
+set dummy ${ac_tool_prefix}ar; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_path_AR+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  case $AR in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_AR="$AR" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+as_dummy="$PATH:/usr/bin:/usr/local/bin"
+for as_dir in $as_dummy
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_path_AR="$as_dir$ac_word$ac_exec_ext"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+AR=$ac_cv_path_AR
+if test -n "$AR"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $AR" >&5
+printf "%s\n" "$AR" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_AR"; then
+  ac_pt_AR=$AR
+  # Extract the first word of "ar", so it can be a program name with args.
+set dummy ar; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_path_ac_pt_AR+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  case $ac_pt_AR in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_AR="$ac_pt_AR" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+as_dummy="$PATH:/usr/bin:/usr/local/bin"
+for as_dir in $as_dummy
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_AR="$as_dir$ac_word$ac_exec_ext"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_AR=$ac_cv_path_ac_pt_AR
+if test -n "$ac_pt_AR"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_pt_AR" >&5
+printf "%s\n" "$ac_pt_AR" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_pt_AR" = x; then
+    AR="not_found"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    AR=$ac_pt_AR
+  fi
+else
+  AR="$ac_cv_path_AR"
+fi
+
+  if test -z "$AR" || test "$AR" = "not_found"; then
+    as_fn_error $? "ar not found in PATH. Cannot continue without ar." "$LINENO" 5
+  fi
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+	# allow to override gcov location
+
+# Check whether --with-gcov was given.
+if test ${with_gcov+y}
+then :
+  withval=$with_gcov; _AX_CODE_COVERAGE_GCOV_PROG_WITH=$with_gcov
+else $as_nop
+  _AX_CODE_COVERAGE_GCOV_PROG_WITH=gcov
+fi
+
+
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to build with code coverage support" >&5
+printf %s "checking whether to build with code coverage support... " >&6; }
+	# Check whether --enable-code-coverage was given.
+if test ${enable_code_coverage+y}
+then :
+  enableval=$enable_code_coverage;
+else $as_nop
+  enable_code_coverage=no
+fi
+
+
+	 if test "x$enable_code_coverage" = xyes; then
+  CODE_COVERAGE_ENABLED_TRUE=
+  CODE_COVERAGE_ENABLED_FALSE='#'
+else
+  CODE_COVERAGE_ENABLED_TRUE='#'
+  CODE_COVERAGE_ENABLED_FALSE=
+fi
+
+	CODE_COVERAGE_ENABLED=$enable_code_coverage
+
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_code_coverage" >&5
+printf "%s\n" "$enable_code_coverage" >&6; }
+
+	if  test "x$enable_code_coverage" = xyes
+then :
+
+
+	  for ac_prog in gawk mawk nawk awk
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_AWK+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$AWK"; then
+  ac_cv_prog_AWK="$AWK" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_AWK="$ac_prog"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+AWK=$ac_cv_prog_AWK
+if test -n "$AWK"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5
+printf "%s\n" "$AWK" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+  test -n "$AWK" && break
+done
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for GNU make" >&5
+printf %s "checking for GNU make... " >&6; }
+if test ${_cv_gnu_make_command+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+      _cv_gnu_make_command="" ;
+    for a in "$MAKE" make gmake gnumake ; do
+      if test -z "$a" ; then continue ; fi ;
+      if "$a" --version 2> /dev/null | grep GNU 2>&1 > /dev/null ; then
+        _cv_gnu_make_command=$a ;
+        AX_CHECK_GNU_MAKE_HEADLINE=$("$a" --version 2> /dev/null | grep "GNU Make")
+        ax_check_gnu_make_version=$(echo ${AX_CHECK_GNU_MAKE_HEADLINE} | ${AWK} -F " " '{ print $(NF); }')
+        break ;
+      fi
+    done ;
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $_cv_gnu_make_command" >&5
+printf "%s\n" "$_cv_gnu_make_command" >&6; }
+  if test "x$_cv_gnu_make_command" = x""
+then :
+  ifGNUmake="#"
+else $as_nop
+  ifGNUmake=""
+fi
+  if test "x$_cv_gnu_make_command" = x""
+then :
+  ifnGNUmake=""
+else $as_nop
+  ifnGNUmake="#"
+fi
+  if test "x$_cv_gnu_make_command" = x""
+then :
+  { ax_cv_gnu_make_command=; unset ax_cv_gnu_make_command;}
+else $as_nop
+  ax_cv_gnu_make_command=${_cv_gnu_make_command}
+fi
+  if test "x$_cv_gnu_make_command" = x""
+then :
+  as_fn_error $? "not using GNU make that is needed for coverage" "$LINENO" 5
+fi
+
+
+
+
+	# check for gcov
+	if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}$_AX_CODE_COVERAGE_GCOV_PROG_WITH", so it can be a program name with args.
+set dummy ${ac_tool_prefix}$_AX_CODE_COVERAGE_GCOV_PROG_WITH; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_GCOV+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$GCOV"; then
+  ac_cv_prog_GCOV="$GCOV" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_GCOV="${ac_tool_prefix}$_AX_CODE_COVERAGE_GCOV_PROG_WITH"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+GCOV=$ac_cv_prog_GCOV
+if test -n "$GCOV"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $GCOV" >&5
+printf "%s\n" "$GCOV" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_GCOV"; then
+  ac_ct_GCOV=$GCOV
+  # Extract the first word of "$_AX_CODE_COVERAGE_GCOV_PROG_WITH", so it can be a program name with args.
+set dummy $_AX_CODE_COVERAGE_GCOV_PROG_WITH; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_GCOV+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_GCOV"; then
+  ac_cv_prog_ac_ct_GCOV="$ac_ct_GCOV" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_GCOV="$_AX_CODE_COVERAGE_GCOV_PROG_WITH"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_GCOV=$ac_cv_prog_ac_ct_GCOV
+if test -n "$ac_ct_GCOV"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_GCOV" >&5
+printf "%s\n" "$ac_ct_GCOV" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_ct_GCOV" = x; then
+    GCOV=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    GCOV=$ac_ct_GCOV
+  fi
+else
+  GCOV="$ac_cv_prog_GCOV"
+fi
+
+	if test "X$GCOV" = "X:"
+then :
+  as_fn_error $? "gcov is needed to do coverage" "$LINENO" 5
+fi
+
+
+		if  test "$GCC" = "no"
+then :
+
+		as_fn_error $? "not compiling with gcc, which is required for gcov code coverage" "$LINENO" 5
+
+fi
+
+	# Extract the first word of "lcov", so it can be a program name with args.
+set dummy lcov; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_LCOV+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$LCOV"; then
+  ac_cv_prog_LCOV="$LCOV" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_LCOV="lcov"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+LCOV=$ac_cv_prog_LCOV
+if test -n "$LCOV"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $LCOV" >&5
+printf "%s\n" "$LCOV" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+	# Extract the first word of "genhtml", so it can be a program name with args.
+set dummy genhtml; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_GENHTML+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$GENHTML"; then
+  ac_cv_prog_GENHTML="$GENHTML" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_GENHTML="genhtml"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+GENHTML=$ac_cv_prog_GENHTML
+if test -n "$GENHTML"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $GENHTML" >&5
+printf "%s\n" "$GENHTML" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+
+	if  test x"$LCOV" = x
+then :
+
+		as_fn_error $? "To enable code coverage reporting you must have lcov installed" "$LINENO" 5
+
+fi
+
+	if  test x"$GENHTML" = x
+then :
+
+		as_fn_error $? "Could not find genhtml from the lcov package" "$LINENO" 5
+
+fi
+
+			CODE_COVERAGE_CPPFLAGS="-DNDEBUG"
+	CODE_COVERAGE_CFLAGS="-O0 -g -fprofile-arcs -ftest-coverage"
+	CODE_COVERAGE_CXXFLAGS="-O0 -g -fprofile-arcs -ftest-coverage"
+	CODE_COVERAGE_LIBS="-lgcov"
+
+
+
+
+
+
+
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+  # Make sure we can run config.sub.
+$SHELL "${ac_aux_dir}config.sub" sun4 >/dev/null 2>&1 ||
+  as_fn_error $? "cannot run $SHELL ${ac_aux_dir}config.sub" "$LINENO" 5
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
+printf %s "checking build system type... " >&6; }
+if test ${ac_cv_build+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_build_alias=$build_alias
+test "x$ac_build_alias" = x &&
+  ac_build_alias=`$SHELL "${ac_aux_dir}config.guess"`
+test "x$ac_build_alias" = x &&
+  as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
+ac_cv_build=`$SHELL "${ac_aux_dir}config.sub" $ac_build_alias` ||
+  as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $ac_build_alias failed" "$LINENO" 5
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
+printf "%s\n" "$ac_cv_build" >&6; }
+case $ac_cv_build in
+*-*-*) ;;
+*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
+esac
+build=$ac_cv_build
+ac_save_IFS=$IFS; IFS='-'
+set x $ac_cv_build
+shift
+build_cpu=$1
+build_vendor=$2
+shift; shift
+# Remember, the first character of IFS is used to create $*,
+# except with old shells:
+build_os=$*
+IFS=$ac_save_IFS
+case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
+printf %s "checking host system type... " >&6; }
+if test ${ac_cv_host+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test "x$host_alias" = x; then
+  ac_cv_host=$ac_cv_build
+else
+  ac_cv_host=`$SHELL "${ac_aux_dir}config.sub" $host_alias` ||
+    as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $host_alias failed" "$LINENO" 5
+fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
+printf "%s\n" "$ac_cv_host" >&6; }
+case $ac_cv_host in
+*-*-*) ;;
+*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
+esac
+host=$ac_cv_host
+ac_save_IFS=$IFS; IFS='-'
+set x $ac_cv_host
+shift
+host_cpu=$1
+host_vendor=$2
+shift; shift
+# Remember, the first character of IFS is used to create $*,
+# except with old shells:
+host_os=$*
+IFS=$ac_save_IFS
+case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
+
+
+
+printf "%s\n" "#define OS \"${host}\"" >>confdefs.h
+
+
+
+  xc_prog_cc_prev_IFS=$IFS
+  xc_prog_cc_prev_LIBS=$LIBS
+  xc_prog_cc_prev_CFLAGS=$CFLAGS
+  xc_prog_cc_prev_LDFLAGS=$LDFLAGS
+  xc_prog_cc_prev_CPPFLAGS=$CPPFLAGS
+
+
+
+  xc_bad_var_libs=no
+  for xc_word in $LIBS; do
+    case "$xc_word" in
+      -l* | --library=*)
+        :
+        ;;
+      *)
+        xc_bad_var_libs=yes
+        ;;
+    esac
+  done
+  if test $xc_bad_var_libs = yes; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: using LIBS: $LIBS" >&5
+printf "%s\n" "$as_me: using LIBS: $LIBS" >&6;}
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: LIBS error: LIBS may only be used to specify libraries (-lname)." >&5
+printf "%s\n" "$as_me: LIBS error: LIBS may only be used to specify libraries (-lname)." >&6;}
+  fi
+
+
+  xc_bad_var_ldflags=no
+  for xc_word in $LDFLAGS; do
+    case "$xc_word" in
+      -D*)
+        xc_bad_var_ldflags=yes
+        ;;
+      -U*)
+        xc_bad_var_ldflags=yes
+        ;;
+      -I*)
+        xc_bad_var_ldflags=yes
+        ;;
+      -l* | --library=*)
+        xc_bad_var_ldflags=yes
+        ;;
+    esac
+  done
+  if test $xc_bad_var_ldflags = yes; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: using LDFLAGS: $LDFLAGS" >&5
+printf "%s\n" "$as_me: using LDFLAGS: $LDFLAGS" >&6;}
+    xc_bad_var_msg="LDFLAGS error: LDFLAGS may only be used to specify linker flags, not"
+    for xc_word in $LDFLAGS; do
+      case "$xc_word" in
+        -D*)
+          { printf "%s\n" "$as_me:${as_lineno-$LINENO}: $xc_bad_var_msg macro definitions. Use CPPFLAGS for: $xc_word" >&5
+printf "%s\n" "$as_me: $xc_bad_var_msg macro definitions. Use CPPFLAGS for: $xc_word" >&6;}
+          ;;
+        -U*)
+          { printf "%s\n" "$as_me:${as_lineno-$LINENO}: $xc_bad_var_msg macro suppressions. Use CPPFLAGS for: $xc_word" >&5
+printf "%s\n" "$as_me: $xc_bad_var_msg macro suppressions. Use CPPFLAGS for: $xc_word" >&6;}
+          ;;
+        -I*)
+          { printf "%s\n" "$as_me:${as_lineno-$LINENO}: $xc_bad_var_msg include directories. Use CPPFLAGS for: $xc_word" >&5
+printf "%s\n" "$as_me: $xc_bad_var_msg include directories. Use CPPFLAGS for: $xc_word" >&6;}
+          ;;
+        -l* | --library=*)
+          { printf "%s\n" "$as_me:${as_lineno-$LINENO}: $xc_bad_var_msg libraries. Use LIBS for: $xc_word" >&5
+printf "%s\n" "$as_me: $xc_bad_var_msg libraries. Use LIBS for: $xc_word" >&6;}
+          ;;
+      esac
+    done
+  fi
+
+
+  xc_bad_var_cppflags=no
+  for xc_word in $CPPFLAGS; do
+    case "$xc_word" in
+      -rpath*)
+        xc_bad_var_cppflags=yes
+        ;;
+      -L* | --library-path=*)
+        xc_bad_var_cppflags=yes
+        ;;
+      -l* | --library=*)
+        xc_bad_var_cppflags=yes
+        ;;
+    esac
+  done
+  if test $xc_bad_var_cppflags = yes; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: using CPPFLAGS: $CPPFLAGS" >&5
+printf "%s\n" "$as_me: using CPPFLAGS: $CPPFLAGS" >&6;}
+    xc_bad_var_msg="CPPFLAGS error: CPPFLAGS may only be used to specify C preprocessor flags, not"
+    for xc_word in $CPPFLAGS; do
+      case "$xc_word" in
+        -rpath*)
+          { printf "%s\n" "$as_me:${as_lineno-$LINENO}: $xc_bad_var_msg library runtime directories. Use LDFLAGS for: $xc_word" >&5
+printf "%s\n" "$as_me: $xc_bad_var_msg library runtime directories. Use LDFLAGS for: $xc_word" >&6;}
+          ;;
+        -L* | --library-path=*)
+          { printf "%s\n" "$as_me:${as_lineno-$LINENO}: $xc_bad_var_msg library directories. Use LDFLAGS for: $xc_word" >&5
+printf "%s\n" "$as_me: $xc_bad_var_msg library directories. Use LDFLAGS for: $xc_word" >&6;}
+          ;;
+        -l* | --library=*)
+          { printf "%s\n" "$as_me:${as_lineno-$LINENO}: $xc_bad_var_msg libraries. Use LIBS for: $xc_word" >&5
+printf "%s\n" "$as_me: $xc_bad_var_msg libraries. Use LIBS for: $xc_word" >&6;}
+          ;;
+      esac
+    done
+  fi
+
+
+  xc_bad_var_cflags=no
+  for xc_word in $CFLAGS; do
+    case "$xc_word" in
+      -D*)
+        xc_bad_var_cflags=yes
+        ;;
+      -U*)
+        xc_bad_var_cflags=yes
+        ;;
+      -I*)
+        xc_bad_var_cflags=yes
+        ;;
+      -rpath*)
+        xc_bad_var_cflags=yes
+        ;;
+      -L* | --library-path=*)
+        xc_bad_var_cflags=yes
+        ;;
+      -l* | --library=*)
+        xc_bad_var_cflags=yes
+        ;;
+    esac
+  done
+  if test $xc_bad_var_cflags = yes; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: using CFLAGS: $CFLAGS" >&5
+printf "%s\n" "$as_me: using CFLAGS: $CFLAGS" >&6;}
+    xc_bad_var_msg="CFLAGS error: CFLAGS may only be used to specify C compiler flags, not"
+    for xc_word in $CFLAGS; do
+      case "$xc_word" in
+        -D*)
+          { printf "%s\n" "$as_me:${as_lineno-$LINENO}: $xc_bad_var_msg macro definitions. Use CPPFLAGS for: $xc_word" >&5
+printf "%s\n" "$as_me: $xc_bad_var_msg macro definitions. Use CPPFLAGS for: $xc_word" >&6;}
+          ;;
+        -U*)
+          { printf "%s\n" "$as_me:${as_lineno-$LINENO}: $xc_bad_var_msg macro suppressions. Use CPPFLAGS for: $xc_word" >&5
+printf "%s\n" "$as_me: $xc_bad_var_msg macro suppressions. Use CPPFLAGS for: $xc_word" >&6;}
+          ;;
+        -I*)
+          { printf "%s\n" "$as_me:${as_lineno-$LINENO}: $xc_bad_var_msg include directories. Use CPPFLAGS for: $xc_word" >&5
+printf "%s\n" "$as_me: $xc_bad_var_msg include directories. Use CPPFLAGS for: $xc_word" >&6;}
+          ;;
+        -rpath*)
+          { printf "%s\n" "$as_me:${as_lineno-$LINENO}: $xc_bad_var_msg library runtime directories. Use LDFLAGS for: $xc_word" >&5
+printf "%s\n" "$as_me: $xc_bad_var_msg library runtime directories. Use LDFLAGS for: $xc_word" >&6;}
+          ;;
+        -L* | --library-path=*)
+          { printf "%s\n" "$as_me:${as_lineno-$LINENO}: $xc_bad_var_msg library directories. Use LDFLAGS for: $xc_word" >&5
+printf "%s\n" "$as_me: $xc_bad_var_msg library directories. Use LDFLAGS for: $xc_word" >&6;}
+          ;;
+        -l* | --library=*)
+          { printf "%s\n" "$as_me:${as_lineno-$LINENO}: $xc_bad_var_msg libraries. Use LIBS for: $xc_word" >&5
+printf "%s\n" "$as_me: $xc_bad_var_msg libraries. Use LIBS for: $xc_word" >&6;}
+          ;;
+      esac
+    done
+  fi
+
+  if test $xc_bad_var_libs = yes ||
+     test $xc_bad_var_cflags = yes ||
+     test $xc_bad_var_ldflags = yes ||
+     test $xc_bad_var_cppflags = yes; then
+     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Continuing even with errors mentioned immediately above this line." >&5
+printf "%s\n" "$as_me: WARNING: Continuing even with errors mentioned immediately above this line." >&2;}
+  fi
+
+
+  # Find a good install program.  We prefer a C program (faster),
+# so one script is as good as another.  But avoid the broken or
+# incompatible versions:
+# SysV /etc/install, /usr/sbin/install
+# SunOS /usr/etc/install
+# IRIX /sbin/install
+# AIX /bin/install
+# AmigaOS /C/install, which installs bootblocks on floppy discs
+# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
+# AFS /usr/afsws/bin/install, which mishandles nonexistent args
+# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
+# OS/2's system install, which has a completely different semantic
+# ./install, which can be erroneously created by make from ./install.sh.
+# Reject install programs that cannot install multiple files.
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5
+printf %s "checking for a BSD-compatible install... " >&6; }
+if test -z "$INSTALL"; then
+if test ${ac_cv_path_install+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    # Account for fact that we put trailing slashes in our PATH walk.
+case $as_dir in #((
+  ./ | /[cC]/* | \
+  /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \
+  ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \
+  /usr/ucb/* ) ;;
+  *)
+    # OSF1 and SCO ODT 3.0 have their own names for install.
+    # Don't use installbsd from OSF since it installs stuff as root
+    # by default.
+    for ac_prog in ginstall scoinst install; do
+      for ac_exec_ext in '' $ac_executable_extensions; do
+	if as_fn_executable_p "$as_dir$ac_prog$ac_exec_ext"; then
+	  if test $ac_prog = install &&
+	    grep dspmsg "$as_dir$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+	    # AIX install.  It has an incompatible calling convention.
+	    :
+	  elif test $ac_prog = install &&
+	    grep pwplus "$as_dir$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+	    # program-specific install script used by HP pwplus--don't use.
+	    :
+	  else
+	    rm -rf conftest.one conftest.two conftest.dir
+	    echo one > conftest.one
+	    echo two > conftest.two
+	    mkdir conftest.dir
+	    if "$as_dir$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir/" &&
+	      test -s conftest.one && test -s conftest.two &&
+	      test -s conftest.dir/conftest.one &&
+	      test -s conftest.dir/conftest.two
+	    then
+	      ac_cv_path_install="$as_dir$ac_prog$ac_exec_ext -c"
+	      break 3
+	    fi
+	  fi
+	fi
+      done
+    done
+    ;;
+esac
+
+  done
+IFS=$as_save_IFS
+
+rm -rf conftest.one conftest.two conftest.dir
+
+fi
+  if test ${ac_cv_path_install+y}; then
+    INSTALL=$ac_cv_path_install
+  else
+    # As a last resort, use the slow shell script.  Don't cache a
+    # value for INSTALL within a source directory, because that will
+    # break other packages using the cache if that directory is
+    # removed, or if the value is a relative name.
+    INSTALL=$ac_install_sh
+  fi
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5
+printf "%s\n" "$INSTALL" >&6; }
+
+# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
+# It thinks the first close brace ends the variable substitution.
+test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
+
+test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
+
+test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
+
+
+
+
+
+
+
+
+
+
+
+# Expand $ac_aux_dir to an absolute path.
+am_aux_dir=`cd "$ac_aux_dir" && pwd`
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}gcc; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_CC="${ac_tool_prefix}gcc"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_CC"; then
+  ac_ct_CC=$CC
+  # Extract the first word of "gcc", so it can be a program name with args.
+set dummy gcc; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_CC="gcc"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+printf "%s\n" "$ac_ct_CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
+else
+  CC="$ac_cv_prog_CC"
+fi
+
+if test -z "$CC"; then
+          if test -n "$ac_tool_prefix"; then
+    # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}cc; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_CC="${ac_tool_prefix}cc"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+  fi
+fi
+if test -z "$CC"; then
+  # Extract the first word of "cc", so it can be a program name with args.
+set dummy cc; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+  ac_prog_rejected=no
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    if test "$as_dir$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
+       ac_prog_rejected=yes
+       continue
+     fi
+    ac_cv_prog_CC="cc"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+if test $ac_prog_rejected = yes; then
+  # We found a bogon in the path, so make sure we never use it.
+  set dummy $ac_cv_prog_CC
+  shift
+  if test $# != 0; then
+    # We chose a different compiler from the bogus one.
+    # However, it has the same basename, so the bogon will be chosen
+    # first if we set CC to just the basename; use the full file name.
+    shift
+    ac_cv_prog_CC="$as_dir$ac_word${1+' '}$@"
+  fi
+fi
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$CC"; then
+  if test -n "$ac_tool_prefix"; then
+  for ac_prog in cl.exe
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+    test -n "$CC" && break
+  done
+fi
+if test -z "$CC"; then
+  ac_ct_CC=$CC
+  for ac_prog in cl.exe
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_CC="$ac_prog"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+printf "%s\n" "$ac_ct_CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+  test -n "$ac_ct_CC" && break
+done
+
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
+fi
+
+fi
+if test -z "$CC"; then
+  if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}clang", so it can be a program name with args.
+set dummy ${ac_tool_prefix}clang; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_CC="${ac_tool_prefix}clang"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_CC"; then
+  ac_ct_CC=$CC
+  # Extract the first word of "clang", so it can be a program name with args.
+set dummy clang; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_CC="clang"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+printf "%s\n" "$ac_ct_CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
+else
+  CC="$ac_cv_prog_CC"
+fi
+
+fi
+
+
+test -z "$CC" && { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "no acceptable C compiler found in \$PATH
+See \`config.log' for more details" "$LINENO" 5; }
+
+# Provide some information about the compiler.
+printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
+set X $ac_compile
+ac_compiler=$2
+for ac_option in --version -v -V -qversion -version; do
+  { { ac_try="$ac_compiler $ac_option >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_compiler $ac_option >&5") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    sed '10a\
+... rest of stderr output deleted ...
+         10q' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+  fi
+  rm -f conftest.er1 conftest.err
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+done
+
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+ac_clean_files_save=$ac_clean_files
+ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out"
+# Try to create an executable without -o first, disregard a.out.
+# It will help us diagnose broken compilers, and finding out an intuition
+# of exeext.
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5
+printf %s "checking whether the C compiler works... " >&6; }
+ac_link_default=`printf "%s\n" "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
+
+# The possible output files:
+ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*"
+
+ac_rmfiles=
+for ac_file in $ac_files
+do
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
+    * ) ac_rmfiles="$ac_rmfiles $ac_file";;
+  esac
+done
+rm -f $ac_rmfiles
+
+if { { ac_try="$ac_link_default"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_link_default") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+then :
+  # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
+# So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
+# in a Makefile.  We should not override ac_cv_exeext if it was cached,
+# so that the user can short-circuit this test for compilers unknown to
+# Autoconf.
+for ac_file in $ac_files ''
+do
+  test -f "$ac_file" || continue
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj )
+	;;
+    [ab].out )
+	# We found the default executable, but exeext='' is most
+	# certainly right.
+	break;;
+    *.* )
+	if test ${ac_cv_exeext+y} && test "$ac_cv_exeext" != no;
+	then :; else
+	   ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
+	fi
+	# We set ac_cv_exeext here because the later test for it is not
+	# safe: cross compilers may not add the suffix if given an `-o'
+	# argument, so we may need to know it at that point already.
+	# Even if this section looks crufty: it has the advantage of
+	# actually working.
+	break;;
+    * )
+	break;;
+  esac
+done
+test "$ac_cv_exeext" = no && ac_cv_exeext=
+
+else $as_nop
+  ac_file=''
+fi
+if test -z "$ac_file"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+printf "%s\n" "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "C compiler cannot create executables
+See \`config.log' for more details" "$LINENO" 5; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5
+printf %s "checking for C compiler default output file name... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5
+printf "%s\n" "$ac_file" >&6; }
+ac_exeext=$ac_cv_exeext
+
+rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out
+ac_clean_files=$ac_clean_files_save
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5
+printf %s "checking for suffix of executables... " >&6; }
+if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+then :
+  # If both `conftest.exe' and `conftest' are `present' (well, observable)
+# catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
+# work properly (i.e., refer to `conftest.exe'), while it won't with
+# `rm'.
+for ac_file in conftest.exe conftest conftest.*; do
+  test -f "$ac_file" || continue
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
+    *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
+	  break;;
+    * ) break;;
+  esac
+done
+else $as_nop
+  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details" "$LINENO" 5; }
+fi
+rm -f conftest conftest$ac_cv_exeext
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
+printf "%s\n" "$ac_cv_exeext" >&6; }
+
+rm -f conftest.$ac_ext
+EXEEXT=$ac_cv_exeext
+ac_exeext=$EXEEXT
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdio.h>
+int
+main (void)
+{
+FILE *f = fopen ("conftest.out", "w");
+ return ferror (f) || fclose (f) != 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+ac_clean_files="$ac_clean_files conftest.out"
+# Check that the compiler produces executables we can run.  If not, either
+# the compiler is broken, or we cross compile.
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
+printf %s "checking whether we are cross compiling... " >&6; }
+if test "$cross_compiling" != yes; then
+  { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+  if { ac_try='./conftest$ac_cv_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then
+    cross_compiling=no
+  else
+    if test "$cross_compiling" = maybe; then
+	cross_compiling=yes
+    else
+	{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot run C compiled programs.
+If you meant to cross compile, use \`--host'.
+See \`config.log' for more details" "$LINENO" 5; }
+    fi
+  fi
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
+printf "%s\n" "$cross_compiling" >&6; }
+
+rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out
+ac_clean_files=$ac_clean_files_save
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
+printf %s "checking for suffix of object files... " >&6; }
+if test ${ac_cv_objext+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.o conftest.obj
+if { { ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_compile") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+then :
+  for ac_file in conftest.o conftest.obj conftest.*; do
+  test -f "$ac_file" || continue;
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;;
+    *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`
+       break;;
+  esac
+done
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot compute suffix of object files: cannot compile
+See \`config.log' for more details" "$LINENO" 5; }
+fi
+rm -f conftest.$ac_cv_objext conftest.$ac_ext
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
+printf "%s\n" "$ac_cv_objext" >&6; }
+OBJEXT=$ac_cv_objext
+ac_objext=$OBJEXT
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports GNU C" >&5
+printf %s "checking whether the compiler supports GNU C... " >&6; }
+if test ${ac_cv_c_compiler_gnu+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+#ifndef __GNUC__
+       choke me
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_compiler_gnu=yes
+else $as_nop
+  ac_compiler_gnu=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+ac_cv_c_compiler_gnu=$ac_compiler_gnu
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
+printf "%s\n" "$ac_cv_c_compiler_gnu" >&6; }
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+if test $ac_compiler_gnu = yes; then
+  GCC=yes
+else
+  GCC=
+fi
+ac_test_CFLAGS=${CFLAGS+y}
+ac_save_CFLAGS=$CFLAGS
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
+printf %s "checking whether $CC accepts -g... " >&6; }
+if test ${ac_cv_prog_cc_g+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_save_c_werror_flag=$ac_c_werror_flag
+   ac_c_werror_flag=yes
+   ac_cv_prog_cc_g=no
+   CFLAGS="-g"
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_prog_cc_g=yes
+else $as_nop
+  CFLAGS=""
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+
+else $as_nop
+  ac_c_werror_flag=$ac_save_c_werror_flag
+	 CFLAGS="-g"
+	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_prog_cc_g=yes
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+   ac_c_werror_flag=$ac_save_c_werror_flag
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
+printf "%s\n" "$ac_cv_prog_cc_g" >&6; }
+if test $ac_test_CFLAGS; then
+  CFLAGS=$ac_save_CFLAGS
+elif test $ac_cv_prog_cc_g = yes; then
+  if test "$GCC" = yes; then
+    CFLAGS="-g -O2"
+  else
+    CFLAGS="-g"
+  fi
+else
+  if test "$GCC" = yes; then
+    CFLAGS="-O2"
+  else
+    CFLAGS=
+  fi
+fi
+ac_prog_cc_stdc=no
+if test x$ac_prog_cc_stdc = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C11 features" >&5
+printf %s "checking for $CC option to enable C11 features... " >&6; }
+if test ${ac_cv_prog_cc_c11+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_prog_cc_c11=no
+ac_save_CC=$CC
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_c_conftest_c11_program
+_ACEOF
+for ac_arg in '' -std=gnu11
+do
+  CC="$ac_save_CC $ac_arg"
+  if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_prog_cc_c11=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam
+  test "x$ac_cv_prog_cc_c11" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+fi
+
+if test "x$ac_cv_prog_cc_c11" = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+printf "%s\n" "unsupported" >&6; }
+else $as_nop
+  if test "x$ac_cv_prog_cc_c11" = x
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf "%s\n" "none needed" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c11" >&5
+printf "%s\n" "$ac_cv_prog_cc_c11" >&6; }
+     CC="$CC $ac_cv_prog_cc_c11"
+fi
+  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c11
+  ac_prog_cc_stdc=c11
+fi
+fi
+if test x$ac_prog_cc_stdc = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C99 features" >&5
+printf %s "checking for $CC option to enable C99 features... " >&6; }
+if test ${ac_cv_prog_cc_c99+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_prog_cc_c99=no
+ac_save_CC=$CC
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_c_conftest_c99_program
+_ACEOF
+for ac_arg in '' -std=gnu99 -std=c99 -c99 -qlanglvl=extc1x -qlanglvl=extc99 -AC99 -D_STDC_C99=
+do
+  CC="$ac_save_CC $ac_arg"
+  if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_prog_cc_c99=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam
+  test "x$ac_cv_prog_cc_c99" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+fi
+
+if test "x$ac_cv_prog_cc_c99" = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+printf "%s\n" "unsupported" >&6; }
+else $as_nop
+  if test "x$ac_cv_prog_cc_c99" = x
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf "%s\n" "none needed" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5
+printf "%s\n" "$ac_cv_prog_cc_c99" >&6; }
+     CC="$CC $ac_cv_prog_cc_c99"
+fi
+  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c99
+  ac_prog_cc_stdc=c99
+fi
+fi
+if test x$ac_prog_cc_stdc = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C89 features" >&5
+printf %s "checking for $CC option to enable C89 features... " >&6; }
+if test ${ac_cv_prog_cc_c89+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_prog_cc_c89=no
+ac_save_CC=$CC
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_c_conftest_c89_program
+_ACEOF
+for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+do
+  CC="$ac_save_CC $ac_arg"
+  if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_prog_cc_c89=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam
+  test "x$ac_cv_prog_cc_c89" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+fi
+
+if test "x$ac_cv_prog_cc_c89" = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+printf "%s\n" "unsupported" >&6; }
+else $as_nop
+  if test "x$ac_cv_prog_cc_c89" = x
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf "%s\n" "none needed" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
+printf "%s\n" "$ac_cv_prog_cc_c89" >&6; }
+     CC="$CC $ac_cv_prog_cc_c89"
+fi
+  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c89
+  ac_prog_cc_stdc=c89
+fi
+fi
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+  ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC understands -c and -o together" >&5
+printf %s "checking whether $CC understands -c and -o together... " >&6; }
+if test ${am_cv_prog_cc_c_o+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+  # Make sure it works both with $CC and with simple cc.
+  # Following AC_PROG_CC_C_O, we do the test twice because some
+  # compilers refuse to overwrite an existing .o file with -o,
+  # though they will create one.
+  am_cv_prog_cc_c_o=yes
+  for am_i in 1 2; do
+    if { echo "$as_me:$LINENO: $CC -c conftest.$ac_ext -o conftest2.$ac_objext" >&5
+   ($CC -c conftest.$ac_ext -o conftest2.$ac_objext) >&5 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); } \
+         && test -f conftest2.$ac_objext; then
+      : OK
+    else
+      am_cv_prog_cc_c_o=no
+      break
+    fi
+  done
+  rm -f core conftest*
+  unset am_i
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_prog_cc_c_o" >&5
+printf "%s\n" "$am_cv_prog_cc_c_o" >&6; }
+if test "$am_cv_prog_cc_c_o" != yes; then
+   # Losing compiler, so override with the script.
+   # FIXME: It is wrong to rewrite CC.
+   # But if we don't then we get into trouble of one sort or another.
+   # A longer-term fix would be to have automake use am__CC in this case,
+   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
+   CC="$am_aux_dir/compile $CC"
+fi
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
+printf %s "checking how to run the C preprocessor... " >&6; }
+# On Suns, sometimes $CPP names a directory.
+if test -n "$CPP" && test -d "$CPP"; then
+  CPP=
+fi
+if test -z "$CPP"; then
+  if test ${ac_cv_prog_CPP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+      # Double quotes because $CC needs to be expanded
+    for CPP in "$CC -E" "$CC -E -traditional-cpp" cpp /lib/cpp
+    do
+      ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+  # Use a header file that comes with gcc, so configuring glibc
+  # with a fresh cross-compiler works.
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp. "Syntax error" is here to catch this case.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <limits.h>
+		     Syntax error
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"
+then :
+
+else $as_nop
+  # Broken: fails on valid input.
+continue
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+  # OK, works on sane cases.  Now check whether nonexistent headers
+  # can be detected and how.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <ac_nonexistent.h>
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"
+then :
+  # Broken: success on invalid input.
+continue
+else $as_nop
+  # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.i conftest.err conftest.$ac_ext
+if $ac_preproc_ok
+then :
+  break
+fi
+
+    done
+    ac_cv_prog_CPP=$CPP
+
+fi
+  CPP=$ac_cv_prog_CPP
+else
+  ac_cv_prog_CPP=$CPP
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
+printf "%s\n" "$CPP" >&6; }
+ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+  # Use a header file that comes with gcc, so configuring glibc
+  # with a fresh cross-compiler works.
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp. "Syntax error" is here to catch this case.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <limits.h>
+		     Syntax error
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"
+then :
+
+else $as_nop
+  # Broken: fails on valid input.
+continue
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+  # OK, works on sane cases.  Now check whether nonexistent headers
+  # can be detected and how.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <ac_nonexistent.h>
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"
+then :
+  # Broken: success on invalid input.
+continue
+else $as_nop
+  # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.i conftest.err conftest.$ac_ext
+if $ac_preproc_ok
+then :
+
+else $as_nop
+  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details" "$LINENO" 5; }
+fi
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+  IFS=$xc_prog_cc_prev_IFS
+  LIBS=$xc_prog_cc_prev_LIBS
+  CFLAGS=$xc_prog_cc_prev_CFLAGS
+  LDFLAGS=$xc_prog_cc_prev_LDFLAGS
+  CPPFLAGS=$xc_prog_cc_prev_CPPFLAGS
+
+
+
+
+
+
+
+
+
+
+
+ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+if test -z "$CXX"; then
+  if test -n "$CCC"; then
+    CXX=$CCC
+  else
+    if test -n "$ac_tool_prefix"; then
+  for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC clang++
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CXX+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$CXX"; then
+  ac_cv_prog_CXX="$CXX" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_CXX="$ac_tool_prefix$ac_prog"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+CXX=$ac_cv_prog_CXX
+if test -n "$CXX"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CXX" >&5
+printf "%s\n" "$CXX" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+    test -n "$CXX" && break
+  done
+fi
+if test -z "$CXX"; then
+  ac_ct_CXX=$CXX
+  for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC clang++
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_CXX+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_CXX"; then
+  ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_CXX="$ac_prog"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CXX=$ac_cv_prog_ac_ct_CXX
+if test -n "$ac_ct_CXX"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CXX" >&5
+printf "%s\n" "$ac_ct_CXX" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+  test -n "$ac_ct_CXX" && break
+done
+
+  if test "x$ac_ct_CXX" = x; then
+    CXX="g++"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CXX=$ac_ct_CXX
+  fi
+fi
+
+  fi
+fi
+# Provide some information about the compiler.
+printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C++ compiler version" >&5
+set X $ac_compile
+ac_compiler=$2
+for ac_option in --version -v -V -qversion; do
+  { { ac_try="$ac_compiler $ac_option >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_compiler $ac_option >&5") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    sed '10a\
+... rest of stderr output deleted ...
+         10q' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+  fi
+  rm -f conftest.er1 conftest.err
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+done
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports GNU C++" >&5
+printf %s "checking whether the compiler supports GNU C++... " >&6; }
+if test ${ac_cv_cxx_compiler_gnu+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+#ifndef __GNUC__
+       choke me
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+  ac_compiler_gnu=yes
+else $as_nop
+  ac_compiler_gnu=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+ac_cv_cxx_compiler_gnu=$ac_compiler_gnu
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_compiler_gnu" >&5
+printf "%s\n" "$ac_cv_cxx_compiler_gnu" >&6; }
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+if test $ac_compiler_gnu = yes; then
+  GXX=yes
+else
+  GXX=
+fi
+ac_test_CXXFLAGS=${CXXFLAGS+y}
+ac_save_CXXFLAGS=$CXXFLAGS
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CXX accepts -g" >&5
+printf %s "checking whether $CXX accepts -g... " >&6; }
+if test ${ac_cv_prog_cxx_g+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_save_cxx_werror_flag=$ac_cxx_werror_flag
+   ac_cxx_werror_flag=yes
+   ac_cv_prog_cxx_g=no
+   CXXFLAGS="-g"
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+  ac_cv_prog_cxx_g=yes
+else $as_nop
+  CXXFLAGS=""
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+
+else $as_nop
+  ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+	 CXXFLAGS="-g"
+	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+  ac_cv_prog_cxx_g=yes
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+   ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_g" >&5
+printf "%s\n" "$ac_cv_prog_cxx_g" >&6; }
+if test $ac_test_CXXFLAGS; then
+  CXXFLAGS=$ac_save_CXXFLAGS
+elif test $ac_cv_prog_cxx_g = yes; then
+  if test "$GXX" = yes; then
+    CXXFLAGS="-g -O2"
+  else
+    CXXFLAGS="-g"
+  fi
+else
+  if test "$GXX" = yes; then
+    CXXFLAGS="-O2"
+  else
+    CXXFLAGS=
+  fi
+fi
+ac_prog_cxx_stdcxx=no
+if test x$ac_prog_cxx_stdcxx = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CXX option to enable C++11 features" >&5
+printf %s "checking for $CXX option to enable C++11 features... " >&6; }
+if test ${ac_cv_prog_cxx_11+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_prog_cxx_11=no
+ac_save_CXX=$CXX
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_cxx_conftest_cxx11_program
+_ACEOF
+for ac_arg in '' -std=gnu++11 -std=gnu++0x -std=c++11 -std=c++0x -qlanglvl=extended0x -AA
+do
+  CXX="$ac_save_CXX $ac_arg"
+  if ac_fn_cxx_try_compile "$LINENO"
+then :
+  ac_cv_prog_cxx_cxx11=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam
+  test "x$ac_cv_prog_cxx_cxx11" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CXX=$ac_save_CXX
+fi
+
+if test "x$ac_cv_prog_cxx_cxx11" = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+printf "%s\n" "unsupported" >&6; }
+else $as_nop
+  if test "x$ac_cv_prog_cxx_cxx11" = x
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf "%s\n" "none needed" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx11" >&5
+printf "%s\n" "$ac_cv_prog_cxx_cxx11" >&6; }
+     CXX="$CXX $ac_cv_prog_cxx_cxx11"
+fi
+  ac_cv_prog_cxx_stdcxx=$ac_cv_prog_cxx_cxx11
+  ac_prog_cxx_stdcxx=cxx11
+fi
+fi
+if test x$ac_prog_cxx_stdcxx = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CXX option to enable C++98 features" >&5
+printf %s "checking for $CXX option to enable C++98 features... " >&6; }
+if test ${ac_cv_prog_cxx_98+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_prog_cxx_98=no
+ac_save_CXX=$CXX
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_cxx_conftest_cxx98_program
+_ACEOF
+for ac_arg in '' -std=gnu++98 -std=c++98 -qlanglvl=extended -AA
+do
+  CXX="$ac_save_CXX $ac_arg"
+  if ac_fn_cxx_try_compile "$LINENO"
+then :
+  ac_cv_prog_cxx_cxx98=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam
+  test "x$ac_cv_prog_cxx_cxx98" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CXX=$ac_save_CXX
+fi
+
+if test "x$ac_cv_prog_cxx_cxx98" = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+printf "%s\n" "unsupported" >&6; }
+else $as_nop
+  if test "x$ac_cv_prog_cxx_cxx98" = x
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf "%s\n" "none needed" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx98" >&5
+printf "%s\n" "$ac_cv_prog_cxx_cxx98" >&6; }
+     CXX="$CXX $ac_cv_prog_cxx_cxx98"
+fi
+  ac_cv_prog_cxx_stdcxx=$ac_cv_prog_cxx_cxx98
+  ac_prog_cxx_stdcxx=cxx98
+fi
+fi
+
+ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+
+    ax_cxx_compile_cxx11_required=false
+  ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+  ac_success=no
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CXX supports C++11 features by default" >&5
+printf %s "checking whether $CXX supports C++11 features by default... " >&6; }
+if test ${ax_cv_cxx_compile_cxx11+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+  template <typename T>
+    struct check
+    {
+      static_assert(sizeof(int) <= sizeof(T), "not big enough");
+    };
+
+    struct Base {
+    virtual void f() {}
+    };
+    struct Child : public Base {
+    virtual void f() override {}
+    };
+
+    typedef check<check<bool>> right_angle_brackets;
+
+    int a;
+    decltype(a) b;
+
+    typedef check<int> check_type;
+    check_type c;
+    check_type&& cr = static_cast<check_type&&>(c);
+
+    auto d = a;
+    auto l = [](){};
+
+    // http://stackoverflow.com/questions/13728184/template-aliases-and-sfinae
+    // Clang 3.1 fails with headers of libstd++ 4.8.3 when using std::function because of this
+    namespace test_template_alias_sfinae {
+        struct foo {};
+
+        template<typename T>
+        using member = typename T::member_type;
+
+        template<typename T>
+        void func(...) {}
+
+        template<typename T>
+        void func(member<T>*) {}
+
+        void test();
+
+        void test() {
+            func<foo>(0);
+        }
+    }
+
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+  ax_cv_cxx_compile_cxx11=yes
+else $as_nop
+  ax_cv_cxx_compile_cxx11=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxx_compile_cxx11" >&5
+printf "%s\n" "$ax_cv_cxx_compile_cxx11" >&6; }
+  if test x$ax_cv_cxx_compile_cxx11 = xyes; then
+    ac_success=yes
+  fi
+
+
+
+    if test x$ac_success = xno; then
+    for switch in -std=c++11 -std=c++0x; do
+      cachevar=`printf "%s\n" "ax_cv_cxx_compile_cxx11_$switch" | $as_tr_sh`
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CXX supports C++11 features with $switch" >&5
+printf %s "checking whether $CXX supports C++11 features with $switch... " >&6; }
+if eval test \${$cachevar+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_save_CXXFLAGS="$CXXFLAGS"
+         CXXFLAGS="$CXXFLAGS $switch"
+         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+  template <typename T>
+    struct check
+    {
+      static_assert(sizeof(int) <= sizeof(T), "not big enough");
+    };
+
+    struct Base {
+    virtual void f() {}
+    };
+    struct Child : public Base {
+    virtual void f() override {}
+    };
+
+    typedef check<check<bool>> right_angle_brackets;
+
+    int a;
+    decltype(a) b;
+
+    typedef check<int> check_type;
+    check_type c;
+    check_type&& cr = static_cast<check_type&&>(c);
+
+    auto d = a;
+    auto l = [](){};
+
+    // http://stackoverflow.com/questions/13728184/template-aliases-and-sfinae
+    // Clang 3.1 fails with headers of libstd++ 4.8.3 when using std::function because of this
+    namespace test_template_alias_sfinae {
+        struct foo {};
+
+        template<typename T>
+        using member = typename T::member_type;
+
+        template<typename T>
+        void func(...) {}
+
+        template<typename T>
+        void func(member<T>*) {}
+
+        void test();
+
+        void test() {
+            func<foo>(0);
+        }
+    }
+
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+  eval $cachevar=yes
+else $as_nop
+  eval $cachevar=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+         CXXFLAGS="$ac_save_CXXFLAGS"
+fi
+eval ac_res=\$$cachevar
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
+      if eval test x\$$cachevar = xyes; then
+        CXXFLAGS="$CXXFLAGS $switch"
+        ac_success=yes
+        break
+      fi
+    done
+  fi
+  ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+  if test x$ax_cxx_compile_cxx11_required = xtrue; then
+    if test x$ac_success = xno; then
+      as_fn_error $? "*** A compiler with support for C++11 language features is required." "$LINENO" 5
+    fi
+  else
+    if test x$ac_success = xno; then
+      HAVE_CXX11=0
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: No compiler with C++11 support was found" >&5
+printf "%s\n" "$as_me: No compiler with C++11 support was found" >&6;}
+    else
+      HAVE_CXX11=1
+
+printf "%s\n" "#define HAVE_CXX11 1" >>confdefs.h
+
+    fi
+
+
+  fi
+
+
+am__api_version='1.16'
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether build environment is sane" >&5
+printf %s "checking whether build environment is sane... " >&6; }
+# Reject unsafe characters in $srcdir or the absolute working directory
+# name.  Accept space and tab only in the latter.
+am_lf='
+'
+case `pwd` in
+  *[\\\"\#\$\&\'\`$am_lf]*)
+    as_fn_error $? "unsafe absolute working directory name" "$LINENO" 5;;
+esac
+case $srcdir in
+  *[\\\"\#\$\&\'\`$am_lf\ \	]*)
+    as_fn_error $? "unsafe srcdir value: '$srcdir'" "$LINENO" 5;;
+esac
+
+# Do 'set' in a subshell so we don't clobber the current shell's
+# arguments.  Must try -L first in case configure is actually a
+# symlink; some systems play weird games with the mod time of symlinks
+# (eg FreeBSD returns the mod time of the symlink's containing
+# directory).
+if (
+   am_has_slept=no
+   for am_try in 1 2; do
+     echo "timestamp, slept: $am_has_slept" > conftest.file
+     set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
+     if test "$*" = "X"; then
+	# -L didn't work.
+	set X `ls -t "$srcdir/configure" conftest.file`
+     fi
+     if test "$*" != "X $srcdir/configure conftest.file" \
+	&& test "$*" != "X conftest.file $srcdir/configure"; then
+
+	# If neither matched, then we have a broken ls.  This can happen
+	# if, for instance, CONFIG_SHELL is bash and it inherits a
+	# broken ls alias from the environment.  This has actually
+	# happened.  Such a system could not be considered "sane".
+	as_fn_error $? "ls -t appears to fail.  Make sure there is not a broken
+  alias in your environment" "$LINENO" 5
+     fi
+     if test "$2" = conftest.file || test $am_try -eq 2; then
+       break
+     fi
+     # Just in case.
+     sleep 1
+     am_has_slept=yes
+   done
+   test "$2" = conftest.file
+   )
+then
+   # Ok.
+   :
+else
+   as_fn_error $? "newly created file is older than distributed files!
+Check your system clock" "$LINENO" 5
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+# If we didn't sleep, we still need to ensure time stamps of config.status and
+# generated files are strictly newer.
+am_sleep_pid=
+if grep 'slept: no' conftest.file >/dev/null 2>&1; then
+  ( sleep 1 ) &
+  am_sleep_pid=$!
+fi
+
+rm -f conftest.file
+
+test "$program_prefix" != NONE &&
+  program_transform_name="s&^&$program_prefix&;$program_transform_name"
+# Use a double $ so make ignores it.
+test "$program_suffix" != NONE &&
+  program_transform_name="s&\$&$program_suffix&;$program_transform_name"
+# Double any \ or $.
+# By default was `s,x,x', remove it if useless.
+ac_script='s/[\\$]/&&/g;s/;s,x,x,$//'
+program_transform_name=`printf "%s\n" "$program_transform_name" | sed "$ac_script"`
+
+
+  if test x"${MISSING+set}" != xset; then
+  MISSING="\${SHELL} '$am_aux_dir/missing'"
+fi
+# Use eval to expand $SHELL
+if eval "$MISSING --is-lightweight"; then
+  am_missing_run="$MISSING "
+else
+  am_missing_run=
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: 'missing' script is too old or missing" >&5
+printf "%s\n" "$as_me: WARNING: 'missing' script is too old or missing" >&2;}
+fi
+
+if test x"${install_sh+set}" != xset; then
+  case $am_aux_dir in
+  *\ * | *\	*)
+    install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
+  *)
+    install_sh="\${SHELL} $am_aux_dir/install-sh"
+  esac
+fi
+
+# Installed binaries are usually stripped using 'strip' when the user
+# run "make install-strip".  However 'strip' might not be the right
+# tool to use in cross-compilation environments, therefore Automake
+# will honor the 'STRIP' environment variable to overrule this program.
+if test "$cross_compiling" != no; then
+  if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
+set dummy ${ac_tool_prefix}strip; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_STRIP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$STRIP"; then
+  ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_STRIP="${ac_tool_prefix}strip"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+STRIP=$ac_cv_prog_STRIP
+if test -n "$STRIP"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5
+printf "%s\n" "$STRIP" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_STRIP"; then
+  ac_ct_STRIP=$STRIP
+  # Extract the first word of "strip", so it can be a program name with args.
+set dummy strip; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_STRIP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_STRIP"; then
+  ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_STRIP="strip"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
+if test -n "$ac_ct_STRIP"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5
+printf "%s\n" "$ac_ct_STRIP" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_ct_STRIP" = x; then
+    STRIP=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    STRIP=$ac_ct_STRIP
+  fi
+else
+  STRIP="$ac_cv_prog_STRIP"
+fi
+
+fi
+INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for a race-free mkdir -p" >&5
+printf %s "checking for a race-free mkdir -p... " >&6; }
+if test -z "$MKDIR_P"; then
+  if test ${ac_cv_path_mkdir+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/opt/sfw/bin
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_prog in mkdir gmkdir; do
+	 for ac_exec_ext in '' $ac_executable_extensions; do
+	   as_fn_executable_p "$as_dir$ac_prog$ac_exec_ext" || continue
+	   case `"$as_dir$ac_prog$ac_exec_ext" --version 2>&1` in #(
+	     'mkdir ('*'coreutils) '* | \
+	     'BusyBox '* | \
+	     'mkdir (fileutils) '4.1*)
+	       ac_cv_path_mkdir=$as_dir$ac_prog$ac_exec_ext
+	       break 3;;
+	   esac
+	 done
+       done
+  done
+IFS=$as_save_IFS
+
+fi
+
+  test -d ./--version && rmdir ./--version
+  if test ${ac_cv_path_mkdir+y}; then
+    MKDIR_P="$ac_cv_path_mkdir -p"
+  else
+    # As a last resort, use the slow shell script.  Don't cache a
+    # value for MKDIR_P within a source directory, because that will
+    # break other packages using the cache if that directory is
+    # removed, or if the value is a relative name.
+    MKDIR_P="$ac_install_sh -d"
+  fi
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MKDIR_P" >&5
+printf "%s\n" "$MKDIR_P" >&6; }
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5
+printf %s "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
+set x ${MAKE-make}
+ac_make=`printf "%s\n" "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
+if eval test \${ac_cv_prog_make_${ac_make}_set+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat >conftest.make <<\_ACEOF
+SHELL = /bin/sh
+all:
+	@echo '@@@%%%=$(MAKE)=@@@%%%'
+_ACEOF
+# GNU make sometimes prints "make[1]: Entering ...", which would confuse us.
+case `${MAKE-make} -f conftest.make 2>/dev/null` in
+  *@@@%%%=?*=@@@%%%*)
+    eval ac_cv_prog_make_${ac_make}_set=yes;;
+  *)
+    eval ac_cv_prog_make_${ac_make}_set=no;;
+esac
+rm -f conftest.make
+fi
+if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+  SET_MAKE=
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+  SET_MAKE="MAKE=${MAKE-make}"
+fi
+
+rm -rf .tst 2>/dev/null
+mkdir .tst 2>/dev/null
+if test -d .tst; then
+  am__leading_dot=.
+else
+  am__leading_dot=_
+fi
+rmdir .tst 2>/dev/null
+
+DEPDIR="${am__leading_dot}deps"
+
+ac_config_commands="$ac_config_commands depfiles"
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} supports the include directive" >&5
+printf %s "checking whether ${MAKE-make} supports the include directive... " >&6; }
+cat > confinc.mk << 'END'
+am__doit:
+	@echo this is the am__doit target >confinc.out
+.PHONY: am__doit
+END
+am__include="#"
+am__quote=
+# BSD make does it like this.
+echo '.include "confinc.mk" # ignored' > confmf.BSD
+# Other make implementations (GNU, Solaris 10, AIX) do it like this.
+echo 'include confinc.mk # ignored' > confmf.GNU
+_am_result=no
+for s in GNU BSD; do
+  { echo "$as_me:$LINENO: ${MAKE-make} -f confmf.$s && cat confinc.out" >&5
+   (${MAKE-make} -f confmf.$s && cat confinc.out) >&5 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }
+  case $?:`cat confinc.out 2>/dev/null` in #(
+  '0:this is the am__doit target') :
+    case $s in #(
+  BSD) :
+    am__include='.include' am__quote='"' ;; #(
+  *) :
+    am__include='include' am__quote='' ;;
+esac ;; #(
+  *) :
+     ;;
+esac
+  if test "$am__include" != "#"; then
+    _am_result="yes ($s style)"
+    break
+  fi
+done
+rm -f confinc.* confmf.*
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ${_am_result}" >&5
+printf "%s\n" "${_am_result}" >&6; }
+
+# Check whether --enable-dependency-tracking was given.
+if test ${enable_dependency_tracking+y}
+then :
+  enableval=$enable_dependency_tracking;
+fi
+
+if test "x$enable_dependency_tracking" != xno; then
+  am_depcomp="$ac_aux_dir/depcomp"
+  AMDEPBACKSLASH='\'
+  am__nodep='_no'
+fi
+ if test "x$enable_dependency_tracking" != xno; then
+  AMDEP_TRUE=
+  AMDEP_FALSE='#'
+else
+  AMDEP_TRUE='#'
+  AMDEP_FALSE=
+fi
+
+
+## --------------------------------------- ##
+##  Start of automake initialization code  ##
+## --------------------------------------- ##
+
+if test "`cd $srcdir && pwd`" != "`pwd`"; then
+  # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
+  # is not polluted with repeated "-I."
+  am__isrc=' -I$(srcdir)'
+  # test to see if srcdir already configured
+  if test -f $srcdir/config.status; then
+    as_fn_error $? "source directory already configured; run \"make distclean\" there first" "$LINENO" 5
+  fi
+fi
+
+# test whether we have cygpath
+if test -z "$CYGPATH_W"; then
+  if (cygpath --version) >/dev/null 2>/dev/null; then
+    CYGPATH_W='cygpath -w'
+  else
+    CYGPATH_W=echo
+  fi
+fi
+
+
+# Define the identity of the package.
+ PACKAGE='c-ares'
+ VERSION='1.18.1'
+
+
+printf "%s\n" "#define PACKAGE \"$PACKAGE\"" >>confdefs.h
+
+
+printf "%s\n" "#define VERSION \"$VERSION\"" >>confdefs.h
+
+# Some tools Automake needs.
+
+ACLOCAL=${ACLOCAL-"${am_missing_run}aclocal-${am__api_version}"}
+
+
+AUTOCONF=${AUTOCONF-"${am_missing_run}autoconf"}
+
+
+AUTOMAKE=${AUTOMAKE-"${am_missing_run}automake-${am__api_version}"}
+
+
+AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"}
+
+
+MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"}
+
+# For better backward compatibility.  To be removed once Automake 1.9.x
+# dies out for good.  For more background, see:
+# <https://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
+# <https://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
+mkdir_p='$(MKDIR_P)'
+
+# We need awk for the "check" target (and possibly the TAP driver).  The
+# system "awk" is bad on some platforms.
+# Always define AMTAR for backward compatibility.  Yes, it's still used
+# in the wild :-(  We should find a proper way to deprecate it ...
+AMTAR='$${TAR-tar}'
+
+
+# We'll loop over all known methods to create a tar archive until one works.
+_am_tools='gnutar  pax cpio none'
+
+am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'
+
+
+
+
+
+depcc="$CC"   am_compiler_list=
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5
+printf %s "checking dependency style of $depcc... " >&6; }
+if test ${am_cv_CC_dependencies_compiler_type+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+  # We make a subdir and do the tests there.  Otherwise we can end up
+  # making bogus files that we don't know about and never remove.  For
+  # instance it was reported that on HP-UX the gcc test will end up
+  # making a dummy file named 'D' -- because '-MD' means "put the output
+  # in D".
+  rm -rf conftest.dir
+  mkdir conftest.dir
+  # Copy depcomp to subdir because otherwise we won't find it if we're
+  # using a relative directory.
+  cp "$am_depcomp" conftest.dir
+  cd conftest.dir
+  # We will build objects and dependencies in a subdirectory because
+  # it helps to detect inapplicable dependency modes.  For instance
+  # both Tru64's cc and ICC support -MD to output dependencies as a
+  # side effect of compilation, but ICC will put the dependencies in
+  # the current directory while Tru64 will put them in the object
+  # directory.
+  mkdir sub
+
+  am_cv_CC_dependencies_compiler_type=none
+  if test "$am_compiler_list" = ""; then
+     am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp`
+  fi
+  am__universal=false
+  case " $depcc " in #(
+     *\ -arch\ *\ -arch\ *) am__universal=true ;;
+     esac
+
+  for depmode in $am_compiler_list; do
+    # Setup a source with many dependencies, because some compilers
+    # like to wrap large dependency lists on column 80 (with \), and
+    # we should not choose a depcomp mode which is confused by this.
+    #
+    # We need to recreate these files for each test, as the compiler may
+    # overwrite some of them when testing with obscure command lines.
+    # This happens at least with the AIX C compiler.
+    : > sub/conftest.c
+    for i in 1 2 3 4 5 6; do
+      echo '#include "conftst'$i'.h"' >> sub/conftest.c
+      # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
+      # Solaris 10 /bin/sh.
+      echo '/* dummy */' > sub/conftst$i.h
+    done
+    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
+
+    # We check with '-c' and '-o' for the sake of the "dashmstdout"
+    # mode.  It turns out that the SunPro C++ compiler does not properly
+    # handle '-M -o', and we need to detect this.  Also, some Intel
+    # versions had trouble with output in subdirs.
+    am__obj=sub/conftest.${OBJEXT-o}
+    am__minus_obj="-o $am__obj"
+    case $depmode in
+    gcc)
+      # This depmode causes a compiler race in universal mode.
+      test "$am__universal" = false || continue
+      ;;
+    nosideeffect)
+      # After this tag, mechanisms are not by side-effect, so they'll
+      # only be used when explicitly requested.
+      if test "x$enable_dependency_tracking" = xyes; then
+	continue
+      else
+	break
+      fi
+      ;;
+    msvc7 | msvc7msys | msvisualcpp | msvcmsys)
+      # This compiler won't grok '-c -o', but also, the minuso test has
+      # not run yet.  These depmodes are late enough in the game, and
+      # so weak that their functioning should not be impacted.
+      am__obj=conftest.${OBJEXT-o}
+      am__minus_obj=
+      ;;
+    none) break ;;
+    esac
+    if depmode=$depmode \
+       source=sub/conftest.c object=$am__obj \
+       depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
+       $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
+         >/dev/null 2>conftest.err &&
+       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
+       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
+      # icc doesn't choke on unknown options, it will just issue warnings
+      # or remarks (even with -Werror).  So we grep stderr for any message
+      # that says an option was ignored or not supported.
+      # When given -MP, icc 7.0 and 7.1 complain thusly:
+      #   icc: Command line warning: ignoring option '-M'; no argument required
+      # The diagnosis changed in icc 8.0:
+      #   icc: Command line remark: option '-MP' not supported
+      if (grep 'ignoring option' conftest.err ||
+          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
+        am_cv_CC_dependencies_compiler_type=$depmode
+        break
+      fi
+    fi
+  done
+
+  cd ..
+  rm -rf conftest.dir
+else
+  am_cv_CC_dependencies_compiler_type=none
+fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5
+printf "%s\n" "$am_cv_CC_dependencies_compiler_type" >&6; }
+CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type
+
+ if
+  test "x$enable_dependency_tracking" != xno \
+  && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then
+  am__fastdepCC_TRUE=
+  am__fastdepCC_FALSE='#'
+else
+  am__fastdepCC_TRUE='#'
+  am__fastdepCC_FALSE=
+fi
+
+
+depcc="$CXX"  am_compiler_list=
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5
+printf %s "checking dependency style of $depcc... " >&6; }
+if test ${am_cv_CXX_dependencies_compiler_type+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+  # We make a subdir and do the tests there.  Otherwise we can end up
+  # making bogus files that we don't know about and never remove.  For
+  # instance it was reported that on HP-UX the gcc test will end up
+  # making a dummy file named 'D' -- because '-MD' means "put the output
+  # in D".
+  rm -rf conftest.dir
+  mkdir conftest.dir
+  # Copy depcomp to subdir because otherwise we won't find it if we're
+  # using a relative directory.
+  cp "$am_depcomp" conftest.dir
+  cd conftest.dir
+  # We will build objects and dependencies in a subdirectory because
+  # it helps to detect inapplicable dependency modes.  For instance
+  # both Tru64's cc and ICC support -MD to output dependencies as a
+  # side effect of compilation, but ICC will put the dependencies in
+  # the current directory while Tru64 will put them in the object
+  # directory.
+  mkdir sub
+
+  am_cv_CXX_dependencies_compiler_type=none
+  if test "$am_compiler_list" = ""; then
+     am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp`
+  fi
+  am__universal=false
+  case " $depcc " in #(
+     *\ -arch\ *\ -arch\ *) am__universal=true ;;
+     esac
+
+  for depmode in $am_compiler_list; do
+    # Setup a source with many dependencies, because some compilers
+    # like to wrap large dependency lists on column 80 (with \), and
+    # we should not choose a depcomp mode which is confused by this.
+    #
+    # We need to recreate these files for each test, as the compiler may
+    # overwrite some of them when testing with obscure command lines.
+    # This happens at least with the AIX C compiler.
+    : > sub/conftest.c
+    for i in 1 2 3 4 5 6; do
+      echo '#include "conftst'$i'.h"' >> sub/conftest.c
+      # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
+      # Solaris 10 /bin/sh.
+      echo '/* dummy */' > sub/conftst$i.h
+    done
+    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
+
+    # We check with '-c' and '-o' for the sake of the "dashmstdout"
+    # mode.  It turns out that the SunPro C++ compiler does not properly
+    # handle '-M -o', and we need to detect this.  Also, some Intel
+    # versions had trouble with output in subdirs.
+    am__obj=sub/conftest.${OBJEXT-o}
+    am__minus_obj="-o $am__obj"
+    case $depmode in
+    gcc)
+      # This depmode causes a compiler race in universal mode.
+      test "$am__universal" = false || continue
+      ;;
+    nosideeffect)
+      # After this tag, mechanisms are not by side-effect, so they'll
+      # only be used when explicitly requested.
+      if test "x$enable_dependency_tracking" = xyes; then
+	continue
+      else
+	break
+      fi
+      ;;
+    msvc7 | msvc7msys | msvisualcpp | msvcmsys)
+      # This compiler won't grok '-c -o', but also, the minuso test has
+      # not run yet.  These depmodes are late enough in the game, and
+      # so weak that their functioning should not be impacted.
+      am__obj=conftest.${OBJEXT-o}
+      am__minus_obj=
+      ;;
+    none) break ;;
+    esac
+    if depmode=$depmode \
+       source=sub/conftest.c object=$am__obj \
+       depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
+       $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
+         >/dev/null 2>conftest.err &&
+       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
+       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
+      # icc doesn't choke on unknown options, it will just issue warnings
+      # or remarks (even with -Werror).  So we grep stderr for any message
+      # that says an option was ignored or not supported.
+      # When given -MP, icc 7.0 and 7.1 complain thusly:
+      #   icc: Command line warning: ignoring option '-M'; no argument required
+      # The diagnosis changed in icc 8.0:
+      #   icc: Command line remark: option '-MP' not supported
+      if (grep 'ignoring option' conftest.err ||
+          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
+        am_cv_CXX_dependencies_compiler_type=$depmode
+        break
+      fi
+    fi
+  done
+
+  cd ..
+  rm -rf conftest.dir
+else
+  am_cv_CXX_dependencies_compiler_type=none
+fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_CXX_dependencies_compiler_type" >&5
+printf "%s\n" "$am_cv_CXX_dependencies_compiler_type" >&6; }
+CXXDEPMODE=depmode=$am_cv_CXX_dependencies_compiler_type
+
+ if
+  test "x$enable_dependency_tracking" != xno \
+  && test "$am_cv_CXX_dependencies_compiler_type" = gcc3; then
+  am__fastdepCXX_TRUE=
+  am__fastdepCXX_FALSE='#'
+else
+  am__fastdepCXX_TRUE='#'
+  am__fastdepCXX_FALSE=
+fi
+
+
+# Variables for tags utilities; see am/tags.am
+if test -z "$CTAGS"; then
+  CTAGS=ctags
+fi
+
+if test -z "$ETAGS"; then
+  ETAGS=etags
+fi
+
+if test -z "$CSCOPE"; then
+  CSCOPE=cscope
+fi
+
+
+
+# POSIX will say in a future version that running "rm -f" with no argument
+# is OK; and we want to be able to make that assumption in our Makefile
+# recipes.  So use an aggressive probe to check that the usage we want is
+# actually supported "in the wild" to an acceptable degree.
+# See automake bug#10828.
+# To make any issue more visible, cause the running configure to be aborted
+# by default if the 'rm' program in use doesn't match our expectations; the
+# user can still override this though.
+if rm -f && rm -fr && rm -rf; then : OK; else
+  cat >&2 <<'END'
+Oops!
+
+Your 'rm' program seems unable to run without file operands specified
+on the command line, even when the '-f' option is present.  This is contrary
+to the behaviour of most rm programs out there, and not conforming with
+the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
+
+Please tell bug-automake@gnu.org about your system, including the value
+of your $PATH and any error possibly output before this message.  This
+can help us improve future automake versions.
+
+END
+  if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
+    echo 'Configuration will proceed anyway, since you have set the' >&2
+    echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
+    echo >&2
+  else
+    cat >&2 <<'END'
+Aborting the configuration process, to ensure you take notice of the issue.
+
+You can download and install GNU coreutils to get an 'rm' implementation
+that behaves properly: <https://www.gnu.org/software/coreutils/>.
+
+If you want to complete the configuration process using your problematic
+'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
+to "yes", and re-run configure.
+
+END
+    as_fn_error $? "Your 'rm' program is bad, sorry." "$LINENO" 5
+  fi
+fi
+
+## ------------------------------------- ##
+##  End of automake initialization code  ##
+## ------------------------------------- ##
+
+
+
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
+printf %s "checking for grep that handles long lines and -e... " >&6; }
+if test ${ac_cv_path_GREP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -z "$GREP"; then
+  ac_path_GREP_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_prog in grep ggrep
+   do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_GREP="$as_dir$ac_prog$ac_exec_ext"
+      as_fn_executable_p "$ac_path_GREP" || continue
+# Check for GNU ac_path_GREP and select it if it is found.
+  # Check for GNU $ac_path_GREP
+case `"$ac_path_GREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
+*)
+  ac_count=0
+  printf %s 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    printf "%s\n" 'GREP' >> "conftest.nl"
+    "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    if test $ac_count -gt ${ac_path_GREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_GREP="$ac_path_GREP"
+      ac_path_GREP_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_GREP_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_GREP"; then
+    as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+  fi
+else
+  ac_cv_path_GREP=$GREP
+fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
+printf "%s\n" "$ac_cv_path_GREP" >&6; }
+ GREP="$ac_cv_path_GREP"
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
+printf %s "checking for egrep... " >&6; }
+if test ${ac_cv_path_EGREP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
+   then ac_cv_path_EGREP="$GREP -E"
+   else
+     if test -z "$EGREP"; then
+  ac_path_EGREP_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_prog in egrep
+   do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_EGREP="$as_dir$ac_prog$ac_exec_ext"
+      as_fn_executable_p "$ac_path_EGREP" || continue
+# Check for GNU ac_path_EGREP and select it if it is found.
+  # Check for GNU $ac_path_EGREP
+case `"$ac_path_EGREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
+*)
+  ac_count=0
+  printf %s 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    printf "%s\n" 'EGREP' >> "conftest.nl"
+    "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    if test $ac_count -gt ${ac_path_EGREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_EGREP="$ac_path_EGREP"
+      ac_path_EGREP_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_EGREP_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_EGREP"; then
+    as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+  fi
+else
+  ac_cv_path_EGREP=$EGREP
+fi
+
+   fi
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
+printf "%s\n" "$ac_cv_path_EGREP" >&6; }
+ EGREP="$ac_cv_path_EGREP"
+
+
+
+
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if OS is AIX (to define _ALL_SOURCE)" >&5
+printf %s "checking if OS is AIX (to define _ALL_SOURCE)... " >&6; }
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#ifdef _AIX
+   yes_this_is_aix
+#endif
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "yes_this_is_aix" >/dev/null 2>&1
+then :
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+    printf "%s\n" "#define _ALL_SOURCE 1" >>confdefs.h
+
+
+else $as_nop
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+
+fi
+rm -rf conftest*
+
+
+
+
+    #
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if _THREAD_SAFE is already defined" >&5
+printf %s "checking if _THREAD_SAFE is already defined... " >&6; }
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+
+
+int
+main (void)
+{
+
+#ifdef _THREAD_SAFE
+      int dummy=1;
+#else
+      force compilation error
+#endif
+
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+    tmp_thread_safe_initially_defined="yes"
+
+else $as_nop
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+    tmp_thread_safe_initially_defined="no"
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+  #
+  if test "$tmp_thread_safe_initially_defined" = "no"; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if _THREAD_SAFE is actually needed" >&5
+printf %s "checking if _THREAD_SAFE is actually needed... " >&6; }
+
+  case $host_os in
+    aix[123].* | aix4.[012].*)
+            tmp_need_thread_safe="no"
+      ;;
+    aix*)
+            tmp_need_thread_safe="yes"
+      ;;
+    *)
+      tmp_need_thread_safe="no"
+      ;;
+  esac
+
+    if test "$tmp_need_thread_safe" = "yes"; then
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+    else
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+    fi
+  fi
+  #
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if _THREAD_SAFE is onwards defined" >&5
+printf %s "checking if _THREAD_SAFE is onwards defined... " >&6; }
+  if test "$tmp_thread_safe_initially_defined" = "yes" ||
+    test "$tmp_need_thread_safe" = "yes"; then
+
+
+printf "%s\n" "#define NEED_THREAD_SAFE 1" >>confdefs.h
+
+cat >>confdefs.h <<_EOF
+#ifndef _THREAD_SAFE
+#  define _THREAD_SAFE
+#endif
+_EOF
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+  else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+  fi
+  #
+
+
+    #
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if _REENTRANT is already defined" >&5
+printf %s "checking if _REENTRANT is already defined... " >&6; }
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+
+
+int
+main (void)
+{
+
+#ifdef _REENTRANT
+      int dummy=1;
+#else
+      force compilation error
+#endif
+
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+    tmp_reentrant_initially_defined="yes"
+
+else $as_nop
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+    tmp_reentrant_initially_defined="no"
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+  #
+  if test "$tmp_reentrant_initially_defined" = "no"; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if _REENTRANT is actually needed" >&5
+printf %s "checking if _REENTRANT is actually needed... " >&6; }
+
+  case $host_os in
+    solaris*)
+      tmp_need_reentrant="yes"
+      ;;
+    *)
+      tmp_need_reentrant="no"
+      ;;
+  esac
+
+    if test "$tmp_need_reentrant" = "no"; then
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+
+#include <errno.h>
+
+int
+main (void)
+{
+
+      if(0 != errno)
+        return 1;
+
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+
+    tmp_errno="yes"
+
+else $as_nop
+
+    tmp_errno="no"
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+  if test "$tmp_errno" = "yes"; then
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+
+#include <errno.h>
+
+int
+main (void)
+{
+
+#ifdef errno
+        int dummy=1;
+#else
+        force compilation error
+#endif
+
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+
+      tmp_errno="errno_macro_defined"
+
+else $as_nop
+
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+
+#define _REENTRANT
+#include <errno.h>
+
+int
+main (void)
+{
+
+#ifdef errno
+          int dummy=1;
+#else
+          force compilation error
+#endif
+
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+
+        tmp_errno="errno_macro_needs_reentrant"
+        tmp_need_reentrant="yes"
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+  fi
+
+    fi
+    if test "$tmp_need_reentrant" = "no"; then
+
+  if test "$tmp_need_reentrant" = "no"; then
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+    /* Define gmtime_r to an innocuous variant, in case <limits.h> declares gmtime_r.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define gmtime_r innocuous_gmtime_r
+
+/* System header to define __stub macros and hopefully few prototypes,
+   which can conflict with char gmtime_r (); below.  */
+
+#include <limits.h>
+#undef gmtime_r
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char gmtime_r ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_gmtime_r || defined __stub___gmtime_r
+choke me
+#endif
+
+int
+main (void)
+{
+return gmtime_r ();
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+
+    tmp_gmtime_r="yes"
+
+else $as_nop
+
+    tmp_gmtime_r="no"
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+  if test "$tmp_gmtime_r" = "yes"; then
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <sys/types.h>
+#include <time.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "gmtime_r" >/dev/null 2>&1
+then :
+
+      tmp_gmtime_r="proto_declared"
+
+else $as_nop
+
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#define _REENTRANT
+#include <sys/types.h>
+#include <time.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "gmtime_r" >/dev/null 2>&1
+then :
+
+        tmp_gmtime_r="proto_needs_reentrant"
+        tmp_need_reentrant="yes"
+
+fi
+rm -rf conftest*
+
+
+fi
+rm -rf conftest*
+
+  fi
+
+  fi
+  if test "$tmp_need_reentrant" = "no"; then
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+    /* Define localtime_r to an innocuous variant, in case <limits.h> declares localtime_r.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define localtime_r innocuous_localtime_r
+
+/* System header to define __stub macros and hopefully few prototypes,
+   which can conflict with char localtime_r (); below.  */
+
+#include <limits.h>
+#undef localtime_r
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char localtime_r ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_localtime_r || defined __stub___localtime_r
+choke me
+#endif
+
+int
+main (void)
+{
+return localtime_r ();
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+
+    tmp_localtime_r="yes"
+
+else $as_nop
+
+    tmp_localtime_r="no"
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+  if test "$tmp_localtime_r" = "yes"; then
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <sys/types.h>
+#include <time.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "localtime_r" >/dev/null 2>&1
+then :
+
+      tmp_localtime_r="proto_declared"
+
+else $as_nop
+
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#define _REENTRANT
+#include <sys/types.h>
+#include <time.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "localtime_r" >/dev/null 2>&1
+then :
+
+        tmp_localtime_r="proto_needs_reentrant"
+        tmp_need_reentrant="yes"
+
+fi
+rm -rf conftest*
+
+
+fi
+rm -rf conftest*
+
+  fi
+
+  fi
+  if test "$tmp_need_reentrant" = "no"; then
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+    /* Define strerror_r to an innocuous variant, in case <limits.h> declares strerror_r.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define strerror_r innocuous_strerror_r
+
+/* System header to define __stub macros and hopefully few prototypes,
+   which can conflict with char strerror_r (); below.  */
+
+#include <limits.h>
+#undef strerror_r
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char strerror_r ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_strerror_r || defined __stub___strerror_r
+choke me
+#endif
+
+int
+main (void)
+{
+return strerror_r ();
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+
+    tmp_strerror_r="yes"
+
+else $as_nop
+
+    tmp_strerror_r="no"
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+  if test "$tmp_strerror_r" = "yes"; then
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <sys/types.h>
+#include <string.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "strerror_r" >/dev/null 2>&1
+then :
+
+      tmp_strerror_r="proto_declared"
+
+else $as_nop
+
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#define _REENTRANT
+#include <sys/types.h>
+#include <string.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "strerror_r" >/dev/null 2>&1
+then :
+
+        tmp_strerror_r="proto_needs_reentrant"
+        tmp_need_reentrant="yes"
+
+fi
+rm -rf conftest*
+
+
+fi
+rm -rf conftest*
+
+  fi
+
+  fi
+  if test "$tmp_need_reentrant" = "no"; then
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+    /* Define strtok_r to an innocuous variant, in case <limits.h> declares strtok_r.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define strtok_r innocuous_strtok_r
+
+/* System header to define __stub macros and hopefully few prototypes,
+   which can conflict with char strtok_r (); below.  */
+
+#include <limits.h>
+#undef strtok_r
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char strtok_r ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_strtok_r || defined __stub___strtok_r
+choke me
+#endif
+
+int
+main (void)
+{
+return strtok_r ();
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+
+    tmp_strtok_r="yes"
+
+else $as_nop
+
+    tmp_strtok_r="no"
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+  if test "$tmp_strtok_r" = "yes"; then
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <sys/types.h>
+#include <string.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "strtok_r" >/dev/null 2>&1
+then :
+
+      tmp_strtok_r="proto_declared"
+
+else $as_nop
+
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#define _REENTRANT
+#include <sys/types.h>
+#include <string.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "strtok_r" >/dev/null 2>&1
+then :
+
+        tmp_strtok_r="proto_needs_reentrant"
+        tmp_need_reentrant="yes"
+
+fi
+rm -rf conftest*
+
+
+fi
+rm -rf conftest*
+
+  fi
+
+  fi
+  if test "$tmp_need_reentrant" = "no"; then
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+    /* Define inet_ntoa_r to an innocuous variant, in case <limits.h> declares inet_ntoa_r.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define inet_ntoa_r innocuous_inet_ntoa_r
+
+/* System header to define __stub macros and hopefully few prototypes,
+   which can conflict with char inet_ntoa_r (); below.  */
+
+#include <limits.h>
+#undef inet_ntoa_r
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char inet_ntoa_r ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_inet_ntoa_r || defined __stub___inet_ntoa_r
+choke me
+#endif
+
+int
+main (void)
+{
+return inet_ntoa_r ();
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+
+    tmp_inet_ntoa_r="yes"
+
+else $as_nop
+
+    tmp_inet_ntoa_r="no"
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+  if test "$tmp_inet_ntoa_r" = "yes"; then
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "inet_ntoa_r" >/dev/null 2>&1
+then :
+
+      tmp_inet_ntoa_r="proto_declared"
+
+else $as_nop
+
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#define _REENTRANT
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "inet_ntoa_r" >/dev/null 2>&1
+then :
+
+        tmp_inet_ntoa_r="proto_needs_reentrant"
+        tmp_need_reentrant="yes"
+
+fi
+rm -rf conftest*
+
+
+fi
+rm -rf conftest*
+
+  fi
+
+  fi
+  if test "$tmp_need_reentrant" = "no"; then
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+    /* Define gethostbyaddr_r to an innocuous variant, in case <limits.h> declares gethostbyaddr_r.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define gethostbyaddr_r innocuous_gethostbyaddr_r
+
+/* System header to define __stub macros and hopefully few prototypes,
+   which can conflict with char gethostbyaddr_r (); below.  */
+
+#include <limits.h>
+#undef gethostbyaddr_r
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char gethostbyaddr_r ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_gethostbyaddr_r || defined __stub___gethostbyaddr_r
+choke me
+#endif
+
+int
+main (void)
+{
+return gethostbyaddr_r ();
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+
+    tmp_gethostbyaddr_r="yes"
+
+else $as_nop
+
+    tmp_gethostbyaddr_r="no"
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+  if test "$tmp_gethostbyaddr_r" = "yes"; then
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <sys/types.h>
+#include <netdb.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "gethostbyaddr_r" >/dev/null 2>&1
+then :
+
+      tmp_gethostbyaddr_r="proto_declared"
+
+else $as_nop
+
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#define _REENTRANT
+#include <sys/types.h>
+#include <netdb.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "gethostbyaddr_r" >/dev/null 2>&1
+then :
+
+        tmp_gethostbyaddr_r="proto_needs_reentrant"
+        tmp_need_reentrant="yes"
+
+fi
+rm -rf conftest*
+
+
+fi
+rm -rf conftest*
+
+  fi
+
+  fi
+  if test "$tmp_need_reentrant" = "no"; then
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+    /* Define gethostbyname_r to an innocuous variant, in case <limits.h> declares gethostbyname_r.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define gethostbyname_r innocuous_gethostbyname_r
+
+/* System header to define __stub macros and hopefully few prototypes,
+   which can conflict with char gethostbyname_r (); below.  */
+
+#include <limits.h>
+#undef gethostbyname_r
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char gethostbyname_r ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_gethostbyname_r || defined __stub___gethostbyname_r
+choke me
+#endif
+
+int
+main (void)
+{
+return gethostbyname_r ();
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+
+    tmp_gethostbyname_r="yes"
+
+else $as_nop
+
+    tmp_gethostbyname_r="no"
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+  if test "$tmp_gethostbyname_r" = "yes"; then
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <sys/types.h>
+#include <netdb.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "gethostbyname_r" >/dev/null 2>&1
+then :
+
+      tmp_gethostbyname_r="proto_declared"
+
+else $as_nop
+
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#define _REENTRANT
+#include <sys/types.h>
+#include <netdb.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "gethostbyname_r" >/dev/null 2>&1
+then :
+
+        tmp_gethostbyname_r="proto_needs_reentrant"
+        tmp_need_reentrant="yes"
+
+fi
+rm -rf conftest*
+
+
+fi
+rm -rf conftest*
+
+  fi
+
+  fi
+  if test "$tmp_need_reentrant" = "no"; then
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+    /* Define getprotobyname_r to an innocuous variant, in case <limits.h> declares getprotobyname_r.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define getprotobyname_r innocuous_getprotobyname_r
+
+/* System header to define __stub macros and hopefully few prototypes,
+   which can conflict with char getprotobyname_r (); below.  */
+
+#include <limits.h>
+#undef getprotobyname_r
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char getprotobyname_r ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_getprotobyname_r || defined __stub___getprotobyname_r
+choke me
+#endif
+
+int
+main (void)
+{
+return getprotobyname_r ();
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+
+    tmp_getprotobyname_r="yes"
+
+else $as_nop
+
+    tmp_getprotobyname_r="no"
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+  if test "$tmp_getprotobyname_r" = "yes"; then
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <sys/types.h>
+#include <netdb.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "getprotobyname_r" >/dev/null 2>&1
+then :
+
+      tmp_getprotobyname_r="proto_declared"
+
+else $as_nop
+
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#define _REENTRANT
+#include <sys/types.h>
+#include <netdb.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "getprotobyname_r" >/dev/null 2>&1
+then :
+
+        tmp_getprotobyname_r="proto_needs_reentrant"
+        tmp_need_reentrant="yes"
+
+fi
+rm -rf conftest*
+
+
+fi
+rm -rf conftest*
+
+  fi
+
+  fi
+  if test "$tmp_need_reentrant" = "no"; then
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+    /* Define getservbyport_r to an innocuous variant, in case <limits.h> declares getservbyport_r.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define getservbyport_r innocuous_getservbyport_r
+
+/* System header to define __stub macros and hopefully few prototypes,
+   which can conflict with char getservbyport_r (); below.  */
+
+#include <limits.h>
+#undef getservbyport_r
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char getservbyport_r ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_getservbyport_r || defined __stub___getservbyport_r
+choke me
+#endif
+
+int
+main (void)
+{
+return getservbyport_r ();
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+
+    tmp_getservbyport_r="yes"
+
+else $as_nop
+
+    tmp_getservbyport_r="no"
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+  if test "$tmp_getservbyport_r" = "yes"; then
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <sys/types.h>
+#include <netdb.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "getservbyport_r" >/dev/null 2>&1
+then :
+
+      tmp_getservbyport_r="proto_declared"
+
+else $as_nop
+
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#define _REENTRANT
+#include <sys/types.h>
+#include <netdb.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "getservbyport_r" >/dev/null 2>&1
+then :
+
+        tmp_getservbyport_r="proto_needs_reentrant"
+        tmp_need_reentrant="yes"
+
+fi
+rm -rf conftest*
+
+
+fi
+rm -rf conftest*
+
+  fi
+
+  fi
+
+    fi
+    if test "$tmp_need_reentrant" = "yes"; then
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+    else
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+    fi
+  fi
+  #
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if _REENTRANT is onwards defined" >&5
+printf %s "checking if _REENTRANT is onwards defined... " >&6; }
+  if test "$tmp_reentrant_initially_defined" = "yes" ||
+    test "$tmp_need_reentrant" = "yes"; then
+
+
+printf "%s\n" "#define NEED_REENTRANT 1" >>confdefs.h
+
+cat >>confdefs.h <<_EOF
+#ifndef _REENTRANT
+#  define _REENTRANT
+#endif
+_EOF
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+  else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+  fi
+  #
+
+
+# Check whether --enable-largefile was given.
+if test ${enable_largefile+y}
+then :
+  enableval=$enable_largefile;
+fi
+
+if test "$enable_largefile" != no; then
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for special C compiler options needed for large files" >&5
+printf %s "checking for special C compiler options needed for large files... " >&6; }
+if test ${ac_cv_sys_largefile_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_sys_largefile_CC=no
+     if test "$GCC" != yes; then
+       ac_save_CC=$CC
+       while :; do
+	 # IRIX 6.2 and later do not support large files by default,
+	 # so use the C compiler's -n32 option if that helps.
+	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 31 << 31) - 1 + ((off_t) 1 << 31 << 31))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+	 if ac_fn_c_try_compile "$LINENO"
+then :
+  break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam
+	 CC="$CC -n32"
+	 if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_sys_largefile_CC=' -n32'; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam
+	 break
+       done
+       CC=$ac_save_CC
+       rm -f conftest.$ac_ext
+    fi
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_largefile_CC" >&5
+printf "%s\n" "$ac_cv_sys_largefile_CC" >&6; }
+  if test "$ac_cv_sys_largefile_CC" != no; then
+    CC=$CC$ac_cv_sys_largefile_CC
+  fi
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for _FILE_OFFSET_BITS value needed for large files" >&5
+printf %s "checking for _FILE_OFFSET_BITS value needed for large files... " >&6; }
+if test ${ac_cv_sys_file_offset_bits+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  while :; do
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 31 << 31) - 1 + ((off_t) 1 << 31 << 31))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_sys_file_offset_bits=no; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#define _FILE_OFFSET_BITS 64
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 31 << 31) - 1 + ((off_t) 1 << 31 << 31))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_sys_file_offset_bits=64; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+  ac_cv_sys_file_offset_bits=unknown
+  break
+done
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_file_offset_bits" >&5
+printf "%s\n" "$ac_cv_sys_file_offset_bits" >&6; }
+case $ac_cv_sys_file_offset_bits in #(
+  no | unknown) ;;
+  *)
+printf "%s\n" "#define _FILE_OFFSET_BITS $ac_cv_sys_file_offset_bits" >>confdefs.h
+;;
+esac
+rm -rf conftest*
+  if test $ac_cv_sys_file_offset_bits = unknown; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for _LARGE_FILES value needed for large files" >&5
+printf %s "checking for _LARGE_FILES value needed for large files... " >&6; }
+if test ${ac_cv_sys_large_files+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  while :; do
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 31 << 31) - 1 + ((off_t) 1 << 31 << 31))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_sys_large_files=no; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#define _LARGE_FILES 1
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 31 << 31) - 1 + ((off_t) 1 << 31 << 31))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_sys_large_files=1; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+  ac_cv_sys_large_files=unknown
+  break
+done
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_large_files" >&5
+printf "%s\n" "$ac_cv_sys_large_files" >&6; }
+case $ac_cv_sys_large_files in #(
+  no | unknown) ;;
+  *)
+printf "%s\n" "#define _LARGE_FILES $ac_cv_sys_large_files" >>confdefs.h
+;;
+esac
+rm -rf conftest*
+  fi
+fi
+
+
+case $host_os in
+  solaris*)
+
+printf "%s\n" "#define ETC_INET 1" >>confdefs.h
+
+    ;;
+esac
+
+case `pwd` in
+  *\ * | *\	*)
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&5
+printf "%s\n" "$as_me: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&2;} ;;
+esac
+
+
+
+macro_version='2.4.6'
+macro_revision='2.4.6'
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ltmain=$ac_aux_dir/ltmain.sh
+
+# Backslashify metacharacters that are still active within
+# double-quoted strings.
+sed_quote_subst='s/\(["`$\\]\)/\\\1/g'
+
+# Same as above, but do not quote variable references.
+double_quote_subst='s/\(["`\\]\)/\\\1/g'
+
+# Sed substitution to delay expansion of an escaped shell variable in a
+# double_quote_subst'ed string.
+delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
+
+# Sed substitution to delay expansion of an escaped single quote.
+delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g'
+
+# Sed substitution to avoid accidental globbing in evaled expressions
+no_glob_subst='s/\*/\\\*/g'
+
+ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO
+ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to print strings" >&5
+printf %s "checking how to print strings... " >&6; }
+# Test print first, because it will be a builtin if present.
+if test "X`( print -r -- -n ) 2>/dev/null`" = X-n && \
+   test "X`print -r -- $ECHO 2>/dev/null`" = "X$ECHO"; then
+  ECHO='print -r --'
+elif test "X`printf %s $ECHO 2>/dev/null`" = "X$ECHO"; then
+  ECHO='printf %s\n'
+else
+  # Use this function as a fallback that always works.
+  func_fallback_echo ()
+  {
+    eval 'cat <<_LTECHO_EOF
+$1
+_LTECHO_EOF'
+  }
+  ECHO='func_fallback_echo'
+fi
+
+# func_echo_all arg...
+# Invoke $ECHO with all args, space-separated.
+func_echo_all ()
+{
+    $ECHO ""
+}
+
+case $ECHO in
+  printf*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: printf" >&5
+printf "%s\n" "printf" >&6; } ;;
+  print*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: print -r" >&5
+printf "%s\n" "print -r" >&6; } ;;
+  *) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: cat" >&5
+printf "%s\n" "cat" >&6; } ;;
+esac
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for a sed that does not truncate output" >&5
+printf %s "checking for a sed that does not truncate output... " >&6; }
+if test ${ac_cv_path_SED+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+            ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/
+     for ac_i in 1 2 3 4 5 6 7; do
+       ac_script="$ac_script$as_nl$ac_script"
+     done
+     echo "$ac_script" 2>/dev/null | sed 99q >conftest.sed
+     { ac_script=; unset ac_script;}
+     if test -z "$SED"; then
+  ac_path_SED_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_prog in sed gsed
+   do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_SED="$as_dir$ac_prog$ac_exec_ext"
+      as_fn_executable_p "$ac_path_SED" || continue
+# Check for GNU ac_path_SED and select it if it is found.
+  # Check for GNU $ac_path_SED
+case `"$ac_path_SED" --version 2>&1` in
+*GNU*)
+  ac_cv_path_SED="$ac_path_SED" ac_path_SED_found=:;;
+*)
+  ac_count=0
+  printf %s 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    printf "%s\n" '' >> "conftest.nl"
+    "$ac_path_SED" -f conftest.sed < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    if test $ac_count -gt ${ac_path_SED_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_SED="$ac_path_SED"
+      ac_path_SED_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_SED_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_SED"; then
+    as_fn_error $? "no acceptable sed could be found in \$PATH" "$LINENO" 5
+  fi
+else
+  ac_cv_path_SED=$SED
+fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_SED" >&5
+printf "%s\n" "$ac_cv_path_SED" >&6; }
+ SED="$ac_cv_path_SED"
+  rm -f conftest.sed
+
+test -z "$SED" && SED=sed
+Xsed="$SED -e 1s/^X//"
+
+
+
+
+
+
+
+
+
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for fgrep" >&5
+printf %s "checking for fgrep... " >&6; }
+if test ${ac_cv_path_FGREP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if echo 'ab*c' | $GREP -F 'ab*c' >/dev/null 2>&1
+   then ac_cv_path_FGREP="$GREP -F"
+   else
+     if test -z "$FGREP"; then
+  ac_path_FGREP_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_prog in fgrep
+   do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_FGREP="$as_dir$ac_prog$ac_exec_ext"
+      as_fn_executable_p "$ac_path_FGREP" || continue
+# Check for GNU ac_path_FGREP and select it if it is found.
+  # Check for GNU $ac_path_FGREP
+case `"$ac_path_FGREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_FGREP="$ac_path_FGREP" ac_path_FGREP_found=:;;
+*)
+  ac_count=0
+  printf %s 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    printf "%s\n" 'FGREP' >> "conftest.nl"
+    "$ac_path_FGREP" FGREP < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    if test $ac_count -gt ${ac_path_FGREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_FGREP="$ac_path_FGREP"
+      ac_path_FGREP_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_FGREP_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_FGREP"; then
+    as_fn_error $? "no acceptable fgrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+  fi
+else
+  ac_cv_path_FGREP=$FGREP
+fi
+
+   fi
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_FGREP" >&5
+printf "%s\n" "$ac_cv_path_FGREP" >&6; }
+ FGREP="$ac_cv_path_FGREP"
+
+
+test -z "$GREP" && GREP=grep
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+# Check whether --with-gnu-ld was given.
+if test ${with_gnu_ld+y}
+then :
+  withval=$with_gnu_ld; test no = "$withval" || with_gnu_ld=yes
+else $as_nop
+  with_gnu_ld=no
+fi
+
+ac_prog=ld
+if test yes = "$GCC"; then
+  # Check if gcc -print-prog-name=ld gives a path.
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ld used by $CC" >&5
+printf %s "checking for ld used by $CC... " >&6; }
+  case $host in
+  *-*-mingw*)
+    # gcc leaves a trailing carriage return, which upsets mingw
+    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
+  *)
+    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
+  esac
+  case $ac_prog in
+    # Accept absolute paths.
+    [\\/]* | ?:[\\/]*)
+      re_direlt='/[^/][^/]*/\.\./'
+      # Canonicalize the pathname of ld
+      ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'`
+      while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do
+	ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"`
+      done
+      test -z "$LD" && LD=$ac_prog
+      ;;
+  "")
+    # If it fails, then pretend we aren't using GCC.
+    ac_prog=ld
+    ;;
+  *)
+    # If it is relative, then search for the first ld in PATH.
+    with_gnu_ld=unknown
+    ;;
+  esac
+elif test yes = "$with_gnu_ld"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5
+printf %s "checking for GNU ld... " >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5
+printf %s "checking for non-GNU ld... " >&6; }
+fi
+if test ${lt_cv_path_LD+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -z "$LD"; then
+  lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
+  for ac_dir in $PATH; do
+    IFS=$lt_save_ifs
+    test -z "$ac_dir" && ac_dir=.
+    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
+      lt_cv_path_LD=$ac_dir/$ac_prog
+      # Check to see if the program is GNU ld.  I'd rather use --version,
+      # but apparently some variants of GNU ld only accept -v.
+      # Break only if it was the GNU/non-GNU ld that we prefer.
+      case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
+      *GNU* | *'with BFD'*)
+	test no != "$with_gnu_ld" && break
+	;;
+      *)
+	test yes != "$with_gnu_ld" && break
+	;;
+      esac
+    fi
+  done
+  IFS=$lt_save_ifs
+else
+  lt_cv_path_LD=$LD # Let the user override the test with a path.
+fi
+fi
+
+LD=$lt_cv_path_LD
+if test -n "$LD"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $LD" >&5
+printf "%s\n" "$LD" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5
+printf %s "checking if the linker ($LD) is GNU ld... " >&6; }
+if test ${lt_cv_prog_gnu_ld+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  # I'd rather use --version here, but apparently some GNU lds only accept -v.
+case `$LD -v 2>&1 </dev/null` in
+*GNU* | *'with BFD'*)
+  lt_cv_prog_gnu_ld=yes
+  ;;
+*)
+  lt_cv_prog_gnu_ld=no
+  ;;
+esac
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_gnu_ld" >&5
+printf "%s\n" "$lt_cv_prog_gnu_ld" >&6; }
+with_gnu_ld=$lt_cv_prog_gnu_ld
+
+
+
+
+
+
+
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for BSD- or MS-compatible name lister (nm)" >&5
+printf %s "checking for BSD- or MS-compatible name lister (nm)... " >&6; }
+if test ${lt_cv_path_NM+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$NM"; then
+  # Let the user override the test.
+  lt_cv_path_NM=$NM
+else
+  lt_nm_to_check=${ac_tool_prefix}nm
+  if test -n "$ac_tool_prefix" && test "$build" = "$host"; then
+    lt_nm_to_check="$lt_nm_to_check nm"
+  fi
+  for lt_tmp_nm in $lt_nm_to_check; do
+    lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
+    for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do
+      IFS=$lt_save_ifs
+      test -z "$ac_dir" && ac_dir=.
+      tmp_nm=$ac_dir/$lt_tmp_nm
+      if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext"; then
+	# Check to see if the nm accepts a BSD-compat flag.
+	# Adding the 'sed 1q' prevents false positives on HP-UX, which says:
+	#   nm: unknown option "B" ignored
+	# Tru64's nm complains that /dev/null is an invalid object file
+	# MSYS converts /dev/null to NUL, MinGW nm treats NUL as empty
+	case $build_os in
+	mingw*) lt_bad_file=conftest.nm/nofile ;;
+	*) lt_bad_file=/dev/null ;;
+	esac
+	case `"$tmp_nm" -B $lt_bad_file 2>&1 | sed '1q'` in
+	*$lt_bad_file* | *'Invalid file or object type'*)
+	  lt_cv_path_NM="$tmp_nm -B"
+	  break 2
+	  ;;
+	*)
+	  case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in
+	  */dev/null*)
+	    lt_cv_path_NM="$tmp_nm -p"
+	    break 2
+	    ;;
+	  *)
+	    lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
+	    continue # so that we can try to find one that supports BSD flags
+	    ;;
+	  esac
+	  ;;
+	esac
+      fi
+    done
+    IFS=$lt_save_ifs
+  done
+  : ${lt_cv_path_NM=no}
+fi
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_NM" >&5
+printf "%s\n" "$lt_cv_path_NM" >&6; }
+if test no != "$lt_cv_path_NM"; then
+  NM=$lt_cv_path_NM
+else
+  # Didn't find any BSD compatible name lister, look for dumpbin.
+  if test -n "$DUMPBIN"; then :
+    # Let the user override the test.
+  else
+    if test -n "$ac_tool_prefix"; then
+  for ac_prog in dumpbin "link -dump"
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_DUMPBIN+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$DUMPBIN"; then
+  ac_cv_prog_DUMPBIN="$DUMPBIN" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_DUMPBIN="$ac_tool_prefix$ac_prog"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+DUMPBIN=$ac_cv_prog_DUMPBIN
+if test -n "$DUMPBIN"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $DUMPBIN" >&5
+printf "%s\n" "$DUMPBIN" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+    test -n "$DUMPBIN" && break
+  done
+fi
+if test -z "$DUMPBIN"; then
+  ac_ct_DUMPBIN=$DUMPBIN
+  for ac_prog in dumpbin "link -dump"
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_DUMPBIN+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_DUMPBIN"; then
+  ac_cv_prog_ac_ct_DUMPBIN="$ac_ct_DUMPBIN" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_DUMPBIN="$ac_prog"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_DUMPBIN=$ac_cv_prog_ac_ct_DUMPBIN
+if test -n "$ac_ct_DUMPBIN"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DUMPBIN" >&5
+printf "%s\n" "$ac_ct_DUMPBIN" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+  test -n "$ac_ct_DUMPBIN" && break
+done
+
+  if test "x$ac_ct_DUMPBIN" = x; then
+    DUMPBIN=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DUMPBIN=$ac_ct_DUMPBIN
+  fi
+fi
+
+    case `$DUMPBIN -symbols -headers /dev/null 2>&1 | sed '1q'` in
+    *COFF*)
+      DUMPBIN="$DUMPBIN -symbols -headers"
+      ;;
+    *)
+      DUMPBIN=:
+      ;;
+    esac
+  fi
+
+  if test : != "$DUMPBIN"; then
+    NM=$DUMPBIN
+  fi
+fi
+test -z "$NM" && NM=nm
+
+
+
+
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking the name lister ($NM) interface" >&5
+printf %s "checking the name lister ($NM) interface... " >&6; }
+if test ${lt_cv_nm_interface+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_nm_interface="BSD nm"
+  echo "int some_variable = 0;" > conftest.$ac_ext
+  (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&5)
+  (eval "$ac_compile" 2>conftest.err)
+  cat conftest.err >&5
+  (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
+  (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
+  cat conftest.err >&5
+  (eval echo "\"\$as_me:$LINENO: output\"" >&5)
+  cat conftest.out >&5
+  if $GREP 'External.*some_variable' conftest.out > /dev/null; then
+    lt_cv_nm_interface="MS dumpbin"
+  fi
+  rm -f conftest*
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5
+printf "%s\n" "$lt_cv_nm_interface" >&6; }
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5
+printf %s "checking whether ln -s works... " >&6; }
+LN_S=$as_ln_s
+if test "$LN_S" = "ln -s"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5
+printf "%s\n" "no, using $LN_S" >&6; }
+fi
+
+# find the maximum length of command line arguments
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking the maximum length of command line arguments" >&5
+printf %s "checking the maximum length of command line arguments... " >&6; }
+if test ${lt_cv_sys_max_cmd_len+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+    i=0
+  teststring=ABCD
+
+  case $build_os in
+  msdosdjgpp*)
+    # On DJGPP, this test can blow up pretty badly due to problems in libc
+    # (any single argument exceeding 2000 bytes causes a buffer overrun
+    # during glob expansion).  Even if it were fixed, the result of this
+    # check would be larger than it should be.
+    lt_cv_sys_max_cmd_len=12288;    # 12K is about right
+    ;;
+
+  gnu*)
+    # Under GNU Hurd, this test is not required because there is
+    # no limit to the length of command line arguments.
+    # Libtool will interpret -1 as no limit whatsoever
+    lt_cv_sys_max_cmd_len=-1;
+    ;;
+
+  cygwin* | mingw* | cegcc*)
+    # On Win9x/ME, this test blows up -- it succeeds, but takes
+    # about 5 minutes as the teststring grows exponentially.
+    # Worse, since 9x/ME are not pre-emptively multitasking,
+    # you end up with a "frozen" computer, even though with patience
+    # the test eventually succeeds (with a max line length of 256k).
+    # Instead, let's just punt: use the minimum linelength reported by
+    # all of the supported platforms: 8192 (on NT/2K/XP).
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  mint*)
+    # On MiNT this can take a long time and run out of memory.
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  amigaos*)
+    # On AmigaOS with pdksh, this test takes hours, literally.
+    # So we just punt and use a minimum line length of 8192.
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  bitrig* | darwin* | dragonfly* | freebsd* | netbsd* | openbsd*)
+    # This has been around since 386BSD, at least.  Likely further.
+    if test -x /sbin/sysctl; then
+      lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
+    elif test -x /usr/sbin/sysctl; then
+      lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax`
+    else
+      lt_cv_sys_max_cmd_len=65536	# usable default for all BSDs
+    fi
+    # And add a safety zone
+    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+    ;;
+
+  interix*)
+    # We know the value 262144 and hardcode it with a safety zone (like BSD)
+    lt_cv_sys_max_cmd_len=196608
+    ;;
+
+  os2*)
+    # The test takes a long time on OS/2.
+    lt_cv_sys_max_cmd_len=8192
+    ;;
+
+  osf*)
+    # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
+    # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
+    # nice to cause kernel panics so lets avoid the loop below.
+    # First set a reasonable default.
+    lt_cv_sys_max_cmd_len=16384
+    #
+    if test -x /sbin/sysconfig; then
+      case `/sbin/sysconfig -q proc exec_disable_arg_limit` in
+        *1*) lt_cv_sys_max_cmd_len=-1 ;;
+      esac
+    fi
+    ;;
+  sco3.2v5*)
+    lt_cv_sys_max_cmd_len=102400
+    ;;
+  sysv5* | sco5v6* | sysv4.2uw2*)
+    kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null`
+    if test -n "$kargmax"; then
+      lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[	 ]//'`
+    else
+      lt_cv_sys_max_cmd_len=32768
+    fi
+    ;;
+  *)
+    lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null`
+    if test -n "$lt_cv_sys_max_cmd_len" && \
+       test undefined != "$lt_cv_sys_max_cmd_len"; then
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+    else
+      # Make teststring a little bigger before we do anything with it.
+      # a 1K string should be a reasonable start.
+      for i in 1 2 3 4 5 6 7 8; do
+        teststring=$teststring$teststring
+      done
+      SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}}
+      # If test is not a shell built-in, we'll probably end up computing a
+      # maximum length that is only half of the actual maximum length, but
+      # we can't tell.
+      while { test X`env echo "$teststring$teststring" 2>/dev/null` \
+	         = "X$teststring$teststring"; } >/dev/null 2>&1 &&
+	      test 17 != "$i" # 1/2 MB should be enough
+      do
+        i=`expr $i + 1`
+        teststring=$teststring$teststring
+      done
+      # Only check the string length outside the loop.
+      lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1`
+      teststring=
+      # Add a significant safety factor because C++ compilers can tack on
+      # massive amounts of additional arguments before passing them to the
+      # linker.  It appears as though 1/2 is a usable value.
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2`
+    fi
+    ;;
+  esac
+
+fi
+
+if test -n "$lt_cv_sys_max_cmd_len"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5
+printf "%s\n" "$lt_cv_sys_max_cmd_len" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none" >&5
+printf "%s\n" "none" >&6; }
+fi
+max_cmd_len=$lt_cv_sys_max_cmd_len
+
+
+
+
+
+
+: ${CP="cp -f"}
+: ${MV="mv -f"}
+: ${RM="rm -f"}
+
+if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
+  lt_unset=unset
+else
+  lt_unset=false
+fi
+
+
+
+
+
+# test EBCDIC or ASCII
+case `echo X|tr X '\101'` in
+ A) # ASCII based system
+    # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr
+  lt_SP2NL='tr \040 \012'
+  lt_NL2SP='tr \015\012 \040\040'
+  ;;
+ *) # EBCDIC based system
+  lt_SP2NL='tr \100 \n'
+  lt_NL2SP='tr \r\n \100\100'
+  ;;
+esac
+
+
+
+
+
+
+
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to $host format" >&5
+printf %s "checking how to convert $build file names to $host format... " >&6; }
+if test ${lt_cv_to_host_file_cmd+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  case $host in
+  *-*-mingw* )
+    case $build in
+      *-*-mingw* ) # actually msys
+        lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32
+        ;;
+      *-*-cygwin* )
+        lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32
+        ;;
+      * ) # otherwise, assume *nix
+        lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32
+        ;;
+    esac
+    ;;
+  *-*-cygwin* )
+    case $build in
+      *-*-mingw* ) # actually msys
+        lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin
+        ;;
+      *-*-cygwin* )
+        lt_cv_to_host_file_cmd=func_convert_file_noop
+        ;;
+      * ) # otherwise, assume *nix
+        lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin
+        ;;
+    esac
+    ;;
+  * ) # unhandled hosts (and "normal" native builds)
+    lt_cv_to_host_file_cmd=func_convert_file_noop
+    ;;
+esac
+
+fi
+
+to_host_file_cmd=$lt_cv_to_host_file_cmd
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_host_file_cmd" >&5
+printf "%s\n" "$lt_cv_to_host_file_cmd" >&6; }
+
+
+
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to toolchain format" >&5
+printf %s "checking how to convert $build file names to toolchain format... " >&6; }
+if test ${lt_cv_to_tool_file_cmd+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  #assume ordinary cross tools, or native build.
+lt_cv_to_tool_file_cmd=func_convert_file_noop
+case $host in
+  *-*-mingw* )
+    case $build in
+      *-*-mingw* ) # actually msys
+        lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32
+        ;;
+    esac
+    ;;
+esac
+
+fi
+
+to_tool_file_cmd=$lt_cv_to_tool_file_cmd
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_tool_file_cmd" >&5
+printf "%s\n" "$lt_cv_to_tool_file_cmd" >&6; }
+
+
+
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5
+printf %s "checking for $LD option to reload object files... " >&6; }
+if test ${lt_cv_ld_reload_flag+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_ld_reload_flag='-r'
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5
+printf "%s\n" "$lt_cv_ld_reload_flag" >&6; }
+reload_flag=$lt_cv_ld_reload_flag
+case $reload_flag in
+"" | " "*) ;;
+*) reload_flag=" $reload_flag" ;;
+esac
+reload_cmds='$LD$reload_flag -o $output$reload_objs'
+case $host_os in
+  cygwin* | mingw* | pw32* | cegcc*)
+    if test yes != "$GCC"; then
+      reload_cmds=false
+    fi
+    ;;
+  darwin*)
+    if test yes = "$GCC"; then
+      reload_cmds='$LTCC $LTCFLAGS -nostdlib $wl-r -o $output$reload_objs'
+    else
+      reload_cmds='$LD$reload_flag -o $output$reload_objs'
+    fi
+    ;;
+esac
+
+
+
+
+
+
+
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args.
+set dummy ${ac_tool_prefix}objdump; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_OBJDUMP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$OBJDUMP"; then
+  ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+OBJDUMP=$ac_cv_prog_OBJDUMP
+if test -n "$OBJDUMP"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5
+printf "%s\n" "$OBJDUMP" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_OBJDUMP"; then
+  ac_ct_OBJDUMP=$OBJDUMP
+  # Extract the first word of "objdump", so it can be a program name with args.
+set dummy objdump; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_OBJDUMP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_OBJDUMP"; then
+  ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_OBJDUMP="objdump"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP
+if test -n "$ac_ct_OBJDUMP"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5
+printf "%s\n" "$ac_ct_OBJDUMP" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_ct_OBJDUMP" = x; then
+    OBJDUMP="false"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    OBJDUMP=$ac_ct_OBJDUMP
+  fi
+else
+  OBJDUMP="$ac_cv_prog_OBJDUMP"
+fi
+
+test -z "$OBJDUMP" && OBJDUMP=objdump
+
+
+
+
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5
+printf %s "checking how to recognize dependent libraries... " >&6; }
+if test ${lt_cv_deplibs_check_method+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_file_magic_cmd='$MAGIC_CMD'
+lt_cv_file_magic_test_file=
+lt_cv_deplibs_check_method='unknown'
+# Need to set the preceding variable on all platforms that support
+# interlibrary dependencies.
+# 'none' -- dependencies not supported.
+# 'unknown' -- same as none, but documents that we really don't know.
+# 'pass_all' -- all dependencies passed with no checks.
+# 'test_compile' -- check by making test program.
+# 'file_magic [[regex]]' -- check by looking for files in library path
+# that responds to the $file_magic_cmd with a given extended regex.
+# If you have 'file' or equivalent on your system and you're not sure
+# whether 'pass_all' will *always* work, you probably want this one.
+
+case $host_os in
+aix[4-9]*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+beos*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+bsdi[45]*)
+  lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)'
+  lt_cv_file_magic_cmd='/usr/bin/file -L'
+  lt_cv_file_magic_test_file=/shlib/libc.so
+  ;;
+
+cygwin*)
+  # func_win32_libid is a shell function defined in ltmain.sh
+  lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+  lt_cv_file_magic_cmd='func_win32_libid'
+  ;;
+
+mingw* | pw32*)
+  # Base MSYS/MinGW do not provide the 'file' command needed by
+  # func_win32_libid shell function, so use a weaker test based on 'objdump',
+  # unless we find 'file', for example because we are cross-compiling.
+  if ( file / ) >/dev/null 2>&1; then
+    lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+    lt_cv_file_magic_cmd='func_win32_libid'
+  else
+    # Keep this pattern in sync with the one in func_win32_libid.
+    lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)'
+    lt_cv_file_magic_cmd='$OBJDUMP -f'
+  fi
+  ;;
+
+cegcc*)
+  # use the weaker test based on 'objdump'. See mingw*.
+  lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?'
+  lt_cv_file_magic_cmd='$OBJDUMP -f'
+  ;;
+
+darwin* | rhapsody*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+freebsd* | dragonfly*)
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
+    case $host_cpu in
+    i*86 )
+      # Not sure whether the presence of OpenBSD here was a mistake.
+      # Let's accept both of them until this is cleared up.
+      lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library'
+      lt_cv_file_magic_cmd=/usr/bin/file
+      lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
+      ;;
+    esac
+  else
+    lt_cv_deplibs_check_method=pass_all
+  fi
+  ;;
+
+haiku*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+hpux10.20* | hpux11*)
+  lt_cv_file_magic_cmd=/usr/bin/file
+  case $host_cpu in
+  ia64*)
+    lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64'
+    lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so
+    ;;
+  hppa*64*)
+    lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]'
+    lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl
+    ;;
+  *)
+    lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9]\.[0-9]) shared library'
+    lt_cv_file_magic_test_file=/usr/lib/libc.sl
+    ;;
+  esac
+  ;;
+
+interix[3-9]*)
+  # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here
+  lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$'
+  ;;
+
+irix5* | irix6* | nonstopux*)
+  case $LD in
+  *-32|*"-32 ") libmagic=32-bit;;
+  *-n32|*"-n32 ") libmagic=N32;;
+  *-64|*"-64 ") libmagic=64-bit;;
+  *) libmagic=never-match;;
+  esac
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+# This must be glibc/ELF.
+linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+netbsd* | netbsdelf*-gnu)
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
+    lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$'
+  else
+    lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$'
+  fi
+  ;;
+
+newos6*)
+  lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)'
+  lt_cv_file_magic_cmd=/usr/bin/file
+  lt_cv_file_magic_test_file=/usr/lib/libnls.so
+  ;;
+
+*nto* | *qnx*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+openbsd* | bitrig*)
+  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
+    lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$'
+  else
+    lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$'
+  fi
+  ;;
+
+osf3* | osf4* | osf5*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+rdos*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+solaris*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+sysv4 | sysv4.3*)
+  case $host_vendor in
+  motorola)
+    lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]'
+    lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
+    ;;
+  ncr)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  sequent)
+    lt_cv_file_magic_cmd='/bin/file'
+    lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'
+    ;;
+  sni)
+    lt_cv_file_magic_cmd='/bin/file'
+    lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib"
+    lt_cv_file_magic_test_file=/lib/libc.so
+    ;;
+  siemens)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  pc)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  esac
+  ;;
+
+tpf*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+os2*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+esac
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5
+printf "%s\n" "$lt_cv_deplibs_check_method" >&6; }
+
+file_magic_glob=
+want_nocaseglob=no
+if test "$build" = "$host"; then
+  case $host_os in
+  mingw* | pw32*)
+    if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then
+      want_nocaseglob=yes
+    else
+      file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[\1]\/[\1]\/g;/g"`
+    fi
+    ;;
+  esac
+fi
+
+file_magic_cmd=$lt_cv_file_magic_cmd
+deplibs_check_method=$lt_cv_deplibs_check_method
+test -z "$deplibs_check_method" && deplibs_check_method=unknown
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args.
+set dummy ${ac_tool_prefix}dlltool; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_DLLTOOL+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$DLLTOOL"; then
+  ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+DLLTOOL=$ac_cv_prog_DLLTOOL
+if test -n "$DLLTOOL"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5
+printf "%s\n" "$DLLTOOL" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_DLLTOOL"; then
+  ac_ct_DLLTOOL=$DLLTOOL
+  # Extract the first word of "dlltool", so it can be a program name with args.
+set dummy dlltool; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_DLLTOOL+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_DLLTOOL"; then
+  ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_DLLTOOL="dlltool"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL
+if test -n "$ac_ct_DLLTOOL"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5
+printf "%s\n" "$ac_ct_DLLTOOL" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_ct_DLLTOOL" = x; then
+    DLLTOOL="false"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DLLTOOL=$ac_ct_DLLTOOL
+  fi
+else
+  DLLTOOL="$ac_cv_prog_DLLTOOL"
+fi
+
+test -z "$DLLTOOL" && DLLTOOL=dlltool
+
+
+
+
+
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to associate runtime and link libraries" >&5
+printf %s "checking how to associate runtime and link libraries... " >&6; }
+if test ${lt_cv_sharedlib_from_linklib_cmd+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  lt_cv_sharedlib_from_linklib_cmd='unknown'
+
+case $host_os in
+cygwin* | mingw* | pw32* | cegcc*)
+  # two different shell functions defined in ltmain.sh;
+  # decide which one to use based on capabilities of $DLLTOOL
+  case `$DLLTOOL --help 2>&1` in
+  *--identify-strict*)
+    lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib
+    ;;
+  *)
+    lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback
+    ;;
+  esac
+  ;;
+*)
+  # fallback: assume linklib IS sharedlib
+  lt_cv_sharedlib_from_linklib_cmd=$ECHO
+  ;;
+esac
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5
+printf "%s\n" "$lt_cv_sharedlib_from_linklib_cmd" >&6; }
+sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd
+test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO
+
+
+
+
+
+
+
+if test -n "$ac_tool_prefix"; then
+  for ac_prog in ar
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking f