[Bug 53011] New: Multithreaded compilation fails sometimes due to race conditions

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=53011

            Bug ID: 53011
           Summary: Multithreaded compilation fails sometimes due to race
                    conditions
           Product: Wine
           Version: 7.7
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: wine-bugs at winehq.org
          Reporter: dark.shadow4 at web.de
      Distribution: ---

Created attachment 72380
  --> https://bugs.winehq.org/attachment.cgi?id=72380
Sample of the two broken files

Sometimes the compilation fails with a message like the following:

/usr/bin/i686-w64-mingw32-dlltool: dlls/mfplat/libmfplat.cross.a: error reading
mfplat_dll_t.o: No such file or directory

/usr/bin/i686-w64-mingw32-dlltool: dlls/rpcrt4/librpcrt4.cross.a: error reading
rpcrt4_dll_h.o: file truncated

/usr/bin/i686-w64-mingw32-dlltool: dlls/rpcrt4/librpcrt4.delay.a: error reading
rpcrt4_dll_t.o: No such file or directory

/usr/bin/i686-w64-mingw32-dlltool: bfd_open failed reopen stub file:
wintrust_dll_s00009.o: No such file or directory

Or sometimes files are broken:

/usr/lib/gcc/i686-w64-mingw32/11.2.0/../../../../i686-w64-mingw32/bin/ld:
dlls/iphlpapi/libiphlpapi.delay.a: error adding symbols: file in wrong format

/usr/lib/gcc/i686-w64-mingw32/11.2.0/../../../../i686-w64-mingw32/bin/ld:
dlls/wintrust/libwintrust.cross.a: error adding symbols: file format not
recognized


If the file doesn't exist / is truncated, then trying again usually makes it
work. For broken files, they need to be deleted and then you can try again.


I usually compile wine like this:
ALLFLAGS="-g -O0"
PKG_CONFIG_PATH=/usr/lib32/pkgconfig CC="ccache gcc" CFLAGS="$ALLFLAGS"
CROSSCC="ccache i686-w64-mingw32-gcc" CROSSCFLAGS="$ALLFLAGS"
../wine-git/configure --without-cups --enable-silent-rules
make -j15 -sw

I don't think ccache causes this, but possibly it exacerbates it..

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