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2019-01-16curl-compilers.m4: check for __ibmxl__ to detect xlclangDaniel Stenberg
Follow-up to 2fa0d57e2e3. The __xlc__ symbol is only defined there if a particular flag is used for legacy macros. Fixes #3474 Closes #3479
2019-01-15curl-compilers.m4: detect xlclangDaniel Stenberg
Since it isn't totally clang compatible, we detect this IBM clang front-end and if detected, avoids some clang specific magic. Reported-by: Kees Dekker Fixes #3474 Closes #3476
2018-11-21configure: Fix typo in commentDaniel Gustafsson
2018-09-26configure: s/AC_RUN_IFELSE/CURL_RUN_IFELSEDaniel Stenberg
fix a few leftovers Fixes #3006 Closes #3049
2018-09-23whitespace fixesViktor Szakats
- replace tabs with spaces where possible - remove line ending spaces - remove double/triple newlines at EOF - fix a non-UTF-8 character - cleanup a few indentations/line continuations in manual examples Closes https://github.com/curl/curl/pull/3037
2018-08-21Enable more GCC warningsMarcel Raad
This enables the following additional warnings: -Wold-style-definition -Warray-bounds=2 instead of the default 1 -Wformat=2, but only for GCC 4.8+ as Wno-format-nonliteral is not respected for older versions -Wunused-const-variable, which enables level 2 instead of the default 1 -Warray-bounds also in debug mode through -ftree-vrp -Wnull-dereference also in debug mode through -fdelete-null-pointer-checks Closes https://github.com/curl/curl/pull/2747
2018-08-21curl-compilers: enable -Wimplicit-fallthrough=4 for GCCMarcel Raad
This enables level 4 instead of the default level 3, which of the currently used comments only allows /* FALLTHROUGH */ to silence the warning. Closes https://github.com/curl/curl/pull/2747
2018-08-21curl-compilers: enable -Wbad-function-cast on GCCMarcel Raad
This warning used to be enabled only for clang as it's a bit stricter on GCC. Silence the remaining occurrences and enable it on GCC too. Closes https://github.com/curl/curl/pull/2747
2018-06-15curl-confopts.m4: fix typo from ed224f23d5bebDaniel Stenberg
Fixes my local configure to detect a custom installed c-ares without pkgconfig.
2018-06-14configure: use pkg-config for c-ares detectionDaniel Stenberg
First check if there's c-ares information given as pkg-config info and use that as first preference. Reported-by: pszemus on github Fixes #2203 Closes #2658
2018-05-22configure: add missing m4/ax_compile_check_sizeof.m4Daniel Stenberg
follow-up to mistake in 6876ccf90b4
2018-05-21configure: replace AC_TRY_RUN with CURL_RUN_IFELSEDaniel Stenberg
... and export LD_LIBRARY_PATH properly. This is a follow-up from 2d4c215. Fixes #2586 Reported-by: Bernhard Walle
2018-05-04configure: put CURLDEBUG and DEBUGBUILD in lib/curl_config.hFrank Gevaerts
They are removed from the compiler flags. This ensures that make dependency tracking will force a rebuild whenever configure --enable-debug or --enable-curldebug changes. Closes #2548
2018-04-16configure: keep LD_LIBRARY_PATH changes localDaniel Stenberg
... only set it when we actually have to run tests to reduce its impact on for example build commands etc. Fixes #2490 Closes #2492 Reported-by: Dmitry Mikhirev
2018-04-07build: add picky compiler warning flags for gcc 6 and 7Eric Gallager
2018-03-12curl-openssl.m4: fix spelling [ci skip]Viktor Szakats
2018-02-24curl-openssl.m4: Fix version check for OpenSSL 1.1.1Jay Satiro
- Add OpenSSL 1.1.1 to the header/library version lists. - Detect OpenSSL 1.1.1 library using its function ERR_clear_last_mark, which was added in that version. Prior to this change an erroneous header/library mismatch was caused by lack of OpenSSL 1.1.1 detection. I tested using openssl-1.1.1-pre1.
2018-01-30configure: set PATH_SEPARATOR to colon for PATH w/o separatorDaniel Stenberg
The logic tries to figure out what the path separator in the $PATH variable is, but if there's only one directory in the $PATH it fails. This change make configure *guess* on colon instead of erroring out, simply because that is probably the more common character. PATH_SEPARATOR can always be set by the user to override the guessing. (tricky bug to reproduce, as in my case for example the configure script requires binaries in more than one directory so passing in a PATH with a single dir fails.) Reported-by: Earnestly on github Fixes #2202 Closes #2265
2017-09-08configure: use -Wno-varargs on clang 3.9[.X] debug buildsDaniel Stenberg
... to avoid a clang bug
2017-08-16m4/curl-compilers.m4: use proper quotes around string, not backticksDaniel Stenberg
... when setting clang version to assume 3.7 Caused a lot of "integer expression expected" warnings by configure.
2017-08-15curl-confopts.m4: fix --disable-threaded-resolverJakub Zakrzewski
Closes https://github.com/curl/curl/issues/1784
2017-08-10configure: use the threaded resolver backend by default if possibleDaniel Stenberg
Closes #1647
2017-08-08ax_code_coverage.m4: update to latest versionMarcel Raad
This updates the script to aad5ad5fedb306b39f901a899b7bd305b66c418d from August 01, 2017. Notably, this removes the lconv version whitelist. Closes https://github.com/curl/curl/pull/1716
2017-07-10curl-compilers.m4: disable warning spam with Cygwin's clangMarcel Raad
When building with Cygwin or MinGW, libtool uses a wrapper executable instead of a wrapper script [1], which is written in C and throws missing-variable-declarations warnings. Don't enable these warnings on Cygwin and MinGW in order to avoid warnings for every executable built, which spams the test suite output when using Cygwin's clang. [1] https://www.gnu.org/software/libtool/manual/html_node/Wrapper-executables.html Closes https://github.com/curl/curl/pull/1665
2017-06-24curl-compilers.m4: fix unknown-warning-option on Apple clangMarcel Raad
Since 5598b0bd63f690c151074494ce47ef872f004ab4, clang -v is used to detect the clang version. The version number was expected to come after the word "version". For Apple clang, this doesn't work as it has its own versioning scheme. The version number is now first searched after the string "based on LLVM". This works for Apple clang before version 7, and also for e.g. Ubuntu's clang up to version 3.7. If it's not found and the version string contains "Apple LLVM version", clang version 3.7 is assumed, which is the version that comes with Xcode 7. Otherwise, the version number is still expected after the word "version", which works for very old Apple clang versions. Ref: https://trac.macports.org/wiki/XcodeVersionInfo Fixes https://github.com/curl/curl/issues/1606 Closes https://github.com/curl/curl/pull/1607
2017-06-16curl-compilers.m4: enable comma clang warningMarcel Raad
It usually warns when using commas instead of semicolons or other operators by accident. Closes https://github.com/curl/curl/pull/1578
2017-06-16curl-compilers.m4: enable missing-variable-declarations clang warningMarcel Raad
It usually warns when forgetting to declare TU-local variables static. Closes https://github.com/curl/curl/pull/1578
2017-06-16curl-compilers.m4: enable double-promotion warningMarcel Raad
Enable -Wdouble-promotion for both GCC and clang. It warns on implicit promotion from float to double. Closes https://github.com/curl/curl/pull/1578
2017-06-16curl-compilers.m4: enable vla warning for clangMarcel Raad
Previously, that warning was only implicitly active in C90 mode. Enable it unconditionally as already done for GCC. Closes https://github.com/curl/curl/pull/1578
2017-06-02build: provide easy code coverage measuringDaniel Stenberg
Closes #1528
2017-06-01curl-compilers.m4: escape square brackets in regexMarcel Raad
Otherwise, they are removed in the final configure file. Also changed sed to "$SED" like in most other calls in this file.
2017-06-01curl-compilers.m4: fix compiler_num for clangMarcel Raad
"clang -dumpversion" always returns "4.2.1", the GCC version that clang was initially compatible to. Use "clang -v" instead, which returns the actual clang version. Fixes https://github.com/curl/curl/issues/1522 Closes https://github.com/curl/curl/pull/1523
2017-05-31curl-compilers.m4: enable -Wshift-sign-overflow for clangMarcel Raad
clang 2.9+ supports -Wshift-sign-overflow, which warns about undefined behavior on signed left shifts when shifting by too many places. Ref: https://github.com/curl/curl/issues/1516 Closes https://github.com/curl/curl/pull/1517
2017-04-25configure: stop prepending to LDFLAGS, CPPFLAGSJay Satiro
- Change prepends to appends because user's LDFLAGS and CPPFLAGS should always come first so they're searched before ours. Bug: https://github.com/curl/curl/issues/1420 Reported-by: Helmut K. C. Tessarek
2017-04-24curl-compilers.m4: accept -Og and -Ofast GCC flagsMarcel Raad
-Og, introduced in GCC 4.8, optimizes for debugging experience. -Ofast, introduced in GCC 4.7, builds on -O3 and enables further optimizations breaking strict standards compliance. When specified in CFLAGS, these were always overridden by -O0 or -O2. Fix this by adding them to flags_opt_all. Ref: https://gcc.gnu.org/onlinedocs/gcc-4.8.0/gcc/Optimize-Options.html Ref: https://github.com/curl/curl/pull/1404#issuecomment-296401570 Closes https://github.com/curl/curl/pull/1440
2017-04-15curl-compilers.m4: turn implicit function declarations into errorsMarcel Raad
This adds -Werror-implicit-function-declaration for GCC 2.95+ so that these errors are visible at the point where they occur instead of only at link time. Implicit function declarations are illegal in C99 and C++ anyway, and the same warning has been turned into an error for ICC in commit 3072c5b8a127057aa922b7c51051bbb4a630b091. Ref: https://gcc.gnu.org/onlinedocs/gcc-2.95.2/gcc_2.html#SEC8 Ref: https://curl.haxx.se/mail/lib-2017-04/0001.html Closes https://github.com/curl/curl/pull/1419
2017-03-26spelling fixesklemens
Closes #1356
2017-03-02configure: fix for --enable-pthreadsJay Satiro
Better handle options conflicts that can occur if --enable-pthreads. Bug: https://github.com/curl/curl/pull/1295 Reported-by: Marc-Antoine Perennou
2016-11-07s/cURL/curlDaniel Stenberg
We're mostly saying just "curl" in lower case these days so here's a big cleanup to adapt to this reality. A few instances are left as the project could still formally be considered called cURL.
2016-10-18configure/CURL_CHECK_FUNC_POLL: disable poll completely on macDaniel Stenberg
... so that the same libcurl build easier can run on any version. Follow-up to issue #1057
2016-10-11configure: detect the broken poll() in macOS 10.12Daniel Stenberg
Fixes #1057
2016-06-21curl-compilers.m4: improve detection of GCC's -fvisibility= flagKamil Dudka
Some builds of GCC produce output on both stdout and stderr when --help --verbose is used. The 2>&1 redirection caused them to be arbitrarily interleaved with each other because of stream buffering. Consequently, grep failed to match the fvisibility= string in the mixed output, even though the string was present in GCC's standard output. This led to silently disabling symbol hiding in some builds of curl.
2016-04-21configure: ac_cv_ -> curl_cv_ for write-only varsIrfan Adilovic
These configure vars are modified in a curl-specific way but never evaluated or loaded from cache, even though they are designated as _cv_. We could either implement proper AC_CACHE_CHECKs for them, or remove them completely. Fixes #603 as ac_cv_func_gethostbyname is no longer clobbered, and AC_CHECK_FUNC(gethostbyname...) will no longer spuriously succeed after the first configure run with caching. `ac_cv_func_strcasecmp` is curious, see #770. `eval "ac_cv_func_$func=yes"` can still cause problems as it works in tandem with AC_CHECK_FUNCS and then potentially modifies its result. It would be best to rewrite this test to use a new CURL_CHECK_FUNCS macro, which works the same as AC_CHECK_FUNCS but relies on caching the values of curl_cv_func_* variables, without modifiying ac_cv_func_*.
2016-04-21configure: ac_cv_ -> curl_cv_ for r/w varsIrfan Adilovic
These configure vars are modified in a curl-specific way and modified by the configure process, but are never loaded from cache, even though they are designated as _cv_. We should implement proper AC_CACHE_CHECKs for them eventually.
2016-04-21configure: ac_cv_ -> curl_cv_ for all cached varsIrfan Adilovic
This was automated by: sed -b -i -f <(ack -A1 AC_CACHE_CHECK | \ ack -o 'ac_cv_.*?\b' | \ sort -u | xargs -n1 bash -c \ 'echo "s/$0/curl_cv_${0#ac_cv_}/g"') \ $(git ls-files) This only changed the prefix for 16 variables actually checked with AC_CACHE_CHECK.
2016-02-03URLs: Change more haxx.se URLs from http: to https:Dan Fandrich
2016-02-03URLs: change all http:// URLs to https://Daniel Stenberg
2015-12-20configure: detect IPv6 support on WindowsJohannes Schindelin
This patch was "nicked" from the MINGW-packages project by Daniel. https://github.com/Alexpux/MINGW-packages/commit/9253d0bf58a1486e91f7efb5316e7fdb48fa4007 Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2015-12-20configure: allow static builds on mingwDaniel Stenberg
This patch is adopted from the MINGW-packages project. It makes it possible to build curl both shared and static again. URL: https://github.com/Alexpux/MINGW-packages/tree/master/mingw-w64-curl
2015-09-26curl-confopts.m4: Add missing ')'Tatsuhiro Tsujikawa
... for CURL_CHECK_OPTION_RT Closes #456
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