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Closes #1356
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Better handle options conflicts that can occur if --enable-pthreads.
Bug: https://github.com/curl/curl/pull/1295
Reported-by: Marc-Antoine Perennou
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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.
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... so that the same libcurl build easier can run on any version.
Follow-up to issue #1057
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Fixes #1057
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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.
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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_*.
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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.
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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.
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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>
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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
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... for CURL_CHECK_OPTION_RT
Closes #456
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This option disables any attempts in configure to create dependency on
stuff requiring linking to librt.so and libpthread.so, in this case this
means clock_gettime(CLOCK_MONOTONIC, &mt).
We were in need to build curl which doesn't link libpthread.so to avoid
the following bug:
https://sourceware.org/bugzilla/show_bug.cgi?id=16628.
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Poll has long been broken on Mac OS X. Starting with 10.9 (darwin13) it
now works correctly so this patch enables it there.
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The latest version(s) of the icc compiler no longer accept the extra
space in the -we (warning enable), -wd (warning disable), etc.
Reported-by: Elmira A Semenova
Bug: http://curl.haxx.se/mail/lib-2013-09/0182.html
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The compiler test used a variable before it was assigned when it tried
to see how it acts on a mismatching prototype, which could cause a false
positive.
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Use XC_CHECK_BUILD_FLAGS instead XC_CHECK_USER_FLAGS.
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This reverts commit 6b27703b5f525eccdc0a8409f51de8595c75132a.
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Instead of claiming it is an error, we call it a "note" to reduce the
severity level. But the following text now says the [variable] "*should*
only be used to specify"... instead of previously having said "may".
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See XC_AMEND_DISTCLEAN comments for details.
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This function was only used twice, both in places where performance
isn't crucial (socks + if2ip). Removing the use of this function removes
the need to have our private version for systems without it == reduced
amount of code.
Also, in the SOCKS case it is clearly better to fail gracefully rather
than to truncate the results.
This work was triggered by a bug report on the strcal prototype in
strequal.h.
strlcat was added in commit db70cd28 in February 2001!
Bug: http://curl.haxx.se/bug/view.cgi?id=1192
Reported by: Jeremy Huddleston
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- Fix a pair of single quotes to double quotes.
URL: http://curl.haxx.se/mail/lib-2013-01/0355.html
Reported by: Tor Arntsen
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- Take into account that 'wc' may return leading spaces and/or tabs.
- Set initial IFS to space, tab and newline.
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- 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
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- 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
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This avoids witness message in output when running configure --help,
while sending the message to config.log for other configure runs.
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- version conditional overriding
- catch unexpanded XC macros
- fix double words in comments
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Tor Arntsen analyzed and reported the issue.
URL: http://curl.haxx.se/mail/lib-2013-01/0306.html
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m4 quadrigraph shell comment technique allows proper autoconf
parentheses balancing in shell 'case' statements. The presence
of unbalanced parentheses may otherwise trigger expansion bugs.
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- Update comments
- Execute commands in subshells
- Faster path separator check
- Fix missing 'test' command
- Rename private macros
- Minimize AC_REQUIRE usage
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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.
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Notes:
When running a configure script that has nested packages (for example
libcurl's configure with --enable-ares and c-ares sources embedded in
curl tree) and AC_CONFIG_SUBDIRS([nested-subdir]) machinery is used to
automatically run the nested configure script from within the parent
configure script, it happens that the nested _shell_ script will
inherit shell variables exported from the parent _shell_ script.
If for example parent configure script sets and exports LDFLAGS and LIBS
variables with proper values in order to link either a parent library or
program with a library which will be configured and built by a nested
package; It will happen that when the nested configure script runs, the
nested library does not exist yet and _any_ link-test done in the nested
configure will fail, such as those that autoconf macros perform in order
to detect existing compiler and its characteristics, the result is that
the nested configure script will fail with errors such as:
configure: error: C compiler cannot create executables
For now, we no longer export variables previously exported here.
On the other hand, AC_SUBST'ing them is appropriate and even with nested
packages each package's config.status gets its own package values.
So we reinstate AC_SUBST'ing previously AC_SUBST'ed variables.
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