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From: "lh_mouse at 126 dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/99913] GCC11 fails to build for MinGW-w64 for Windows
 32-bit
Date: Tue, 16 Jan 2024 05:17:57 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99913

LIU Hao <lh_mouse at 126 dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |lh_mouse at 126 dot com

--- Comment #4 from LIU Hao <lh_mouse at 126 dot com> ---
Is there still such an error for you?

It looks to me that this linker command line did not contain `-pthread` unl=
ike
the ones above. Maybe the configure script is worth looking at.

```
configure:16911: /R/winlibs32_stage/gcc-11-20210404/build_mingw/./gcc/xgcc
-B/R/winlibs32_stage/gcc-11-20210404/build_mingw/./gcc/
-L/R/winlibs32_stage/inst_gcc-11-20210404/share/gcc/i686-w64-mingw32/lib
-L/R/winlibs32_stage/inst_gcc-11-20210404/share/gcc/mingw/lib -isystem
/R/winlibs32_stage/inst_gcc-11-20210404/share/gcc/i686-w64-mingw32/include
-isystem /R/winlibs32_stage/inst_gcc-11-20210404/share/gcc/mingw/include
-B/R/winlibs32_stage/inst_gcc-11-20210404/share/gcc/i686-w64-mingw32/bin/
-B/R/winlibs32_stage/inst_gcc-11-20210404/share/gcc/i686-w64-mingw32/lib/
-isystem
/R/winlibs32_stage/inst_gcc-11-20210404/share/gcc/i686-w64-mingw32/include
-isystem
/R/winlibs32_stage/inst_gcc-11-20210404/share/gcc/i686-w64-mingw32/sys-incl=
ude
--sysroot=3D/R/winlibs32_stage/gcc-11-20210404/build_mingw/mingw-w64   -o
conftest.exe -O0 -include confdefs.h -include
../../../libgomp/config/posix/omp-lock.h  -s conftest.c -ldl  >&5
D:\prog\winlibs32_stage\mingw32\i686-w64-mingw32\bin\ld.exe:
R:/winlibs32_stage/gcc-11-20210404/build_mingw/gcc/libgcc_eh.a(unwind-dw2.o=
):
in function `_gthread_once':
R:\winlibs32_stage\gcc-11-20210404\build_mingw\i686-w64-mingw32\libgcc/./gt=
hr-default.h:700:
undefined reference to `pthread_once'
```=