New subject: [Bug 53756] configure fails in 32-bit gcc checking pthread_create using -Wl,--disable-stdcall-fixup

4 Oct 2022


      https://bugs.winehq.org/show_bug.cgi?id=53756
Bug ID: 53756
           Summary: configure fails in 32-bit gcc checking pthread_create
                    using -Wl,--disable-stdcall-fixup
           Product: Wine
           Version: 7.17
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: critical
          Priority: P2
         Component: build-env
          Assignee: wine-bugs@winehq.org
          Reporter: zakarjor@yahoo.com
      Distribution: ---
in 32-bit wine build, ./configure fails with the following message:
checking for pthread_create in -lpthread... no
configure: error: pthread 32-bit develment files not found.
Wine cannot support threads without libpthread.
Use the --without-pthread option if you really want this.
Checking config.log, the problem seems to be related to a second test of
-Wl,--disable-stdcall-fixup for cross-compiler, which sets CFLAGS with that
argument, and pthread test uses gcc that doesn't have that flag.
in case $host_cpu in *i[3456]86*), it checks -Wl,--disable-std-call-fixup and
since gcc doesn't have it, CFLAGS is not changed, but further down, when it
tests the same flag for cross-compiler, since 32-bit mingw gcc has that flag,
CCFLAGS now appends that flag.
Eventually when pthread_create is tested using gcc with CFLAGS containing the
unknown flag for gcc, it fails to compile, and wrongly says it couldn't find
pthread_create.
This works for case x86_64 since no such flag test exists.
This looks like a regression by changes in
https://gitlab.winehq.org/wine/wine/-/commit/8b7baa1128d974b6b9e4fc49853242e...
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[Bug 53756] New: configure fails in 32-bit gcc checking pthread_create using -Wl,--disable-stdcall-fixup