[PATCH] Build libgcc_s on Windows

NightStrike nightstrike@gmail.com
Tue Sep 2 06:40:00 GMT 2008 

On 8/18/08, Aaron W. LaFramboise <aaronavay62@aaronwl.com> wrote:
> This patch enables building libgcc_s as a DLL on MinGW and Cygwin.  This
> allows throwing exceptions across DLL boundaries when using a shared
> libgcc_s.
>
> It needs approval from toplevel configure, gcc/mkmap, Windows and libstdc++
> maintainers.
>
> It was tested by a bootstrap and testsuite run on i386-pc-mingw32, as well
> as manually to make sure it works.


From what I can tell, this patch was committed to revision 139837.
This revision breaks the build for x86_64-pc-mingw32.  139836 works
fine.  139837 and 19838 die for the same reason.  139839 then dies for
a different reason.  Here is the error for 139837:

ln -s libgcc.map libgcc.map.def && if [ ! -d ./shlib ]; then mkdir
./shlib else true; fi &&
/home/nightstrike/build/gcc-svn/build-x86_64-pc-linux/./gcc/xgcc
-B/home/nightstrike/build/gcc-svn/build-x86_64-pc-linux/./gcc/
-L/home/nightstrike/build/gcc-svn/build-x86_64-pc-linux/x86_64-pc-mingw32/winsup/mingw
-L/home/nightstrike/build/gcc-svn/build-x86_64-pc-linux/x86_64-pc-mingw32/winsup/w32api/lib
-isystem /home/nightstrike/build/gcc-svn/gcc/winsup/mingw/include
-isystem /home/nightstrike/build/gcc-svn/gcc/winsup/w32api/include
-B/home/nightstrike/root-x86_64-pc-linux/x86_64-pc-mingw32/bin/
-B/home/nightstrike/root-x86_64-pc-linux/x86_64-pc-mingw32/lib/
-isystem /home/nightstrike/root-x86_64-pc-linux/x86_64-pc-mingw32/include
-isystem /home/nightstrike/root-x86_64-pc-linux/x86_64-pc-mingw32/sys-include
-O2 -I../../gcc/gcc/../winsup/w32api/include -g -O2 -DIN_GCC
-DCROSS_DIRECTORY_STRUCTURE  -W -Wall -Wwrite-strings
-Wstrict-prototypes -Wmissing-prototypes -Wcast-qual
-Wold-style-definition  -isystem ./include   -g -DHAVE_GTHR_DEFAULT
-DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED  -shared -nodefaultlibs
libgcc.map.def -Wl,--out-implib,./shlib/libgcc_s.a.tmp -o
./shlib/libgcc_s_1.dll.tmp -g -O2 -B./ _chkstk_s.o _muldi3_s.o
_negdi2_s.o _lshrdi3_s.o _ashldi3_s.o _ashrdi3_s.o _cmpdi2_s.o
_ucmpdi2_s.o _clear_cache_s.o _enable_execute_stack_s.o
_trampoline_s.o __main_s.o _absvsi2_s.o _absvdi2_s.o _addvsi3_s.o
_addvdi3_s.o _subvsi3_s.o _subvdi3_s.o _mulvsi3_s.o _mulvdi3_s.o
_negvsi2_s.o _negvdi2_s.o _ctors_s.o _ffssi2_s.o _ffsdi2_s.o _clz_s.o
_clzsi2_s.o _clzdi2_s.o _ctzsi2_s.o _ctzdi2_s.o _popcount_tab_s.o
_popcountsi2_s.o _popcountdi2_s.o _paritysi2_s.o _paritydi2_s.o
_powisf2_s.o _powidf2_s.o _powixf2_s.o _powitf2_s.o _mulsc3_s.o
_muldc3_s.o _mulxc3_s.o _multc3_s.o _divsc3_s.o _divdc3_s.o
_divxc3_s.o _divtc3_s.o _bswapsi2_s.o _bswapdi2_s.o _fixunssfsi_s.o
_fixunsdfsi_s.o _fixunsxfsi_s.o _fixsfdi_s.o _fixdfdi_s.o _fixxfdi_s.o
_fixtfdi_s.o _fixunssfdi_s.o _fixunsdfdi_s.o _fixunsxfdi_s.o
_fixunstfdi_s.o _floatdisf_s.o _floatdidf_s.o _floatdixf_s.o
_floatditf_s.o _floatundisf_s.o _floatundidf_s.o _floatundixf_s.o
_floatunditf_s.o _divdi3_s.o _moddi3_s.o _udivdi3_s.o _umoddi3_s.o
_udiv_w_sdiv_s.o _udivmoddi4_s.o gthr-win32_s.o unwind-dw2_s.o
unwind-dw2-fde_s.o unwind-sjlj_s.o gthr-gnat_s.o unwind-c_s.o
emutls_s.o -luser32 -lkernel32 -ladvapi32 -lshell32 -lmingw32
-lmingwex -lmoldname -lmsvcrt &&
/home/nightstrike/root-x86_64-pc-linux/x86_64-pc-mingw32/bin/ar -r
./shlib/libgcc_s.a.tmp _chkstk.o _ctors.o gthr-win32.o && if [ -f
./shlib/libgcc_s_1.dll ]; then mv -f ./shlib/libgcc_s_1.dll
./shlib/libgcc_s_1.dll.backup; else true; fi && mv
./shlib/libgcc_s_1.dll.tmp ./shlib/libgcc_s_1.dll && mv
./shlib/libgcc_s.a.tmp ./shlib/libgcc_s.a
Creating library file: ./shlib/libgcc_s.a.tmp
/home/nightstrike/root-x86_64-pc-linux/x86_64-pc-mingw32/lib/libmingw32.a(lib64_libmingw32_a-gs_support.o):
In function `__report_gsfailure':
/home/nightstrike/build/mingw/build-x86_64-pc-linux/../mingw-w64-crt/crt64/gs_support.c:94:
undefined reference to `__imp__RtlCaptureContext'
/home/nightstrike/build/mingw/build-x86_64-pc-linux/../mingw-w64-crt/crt64/gs_support.c:96:
undefined reference to `_RtlLookupFunctionEntry'
/home/nightstrike/build/mingw/build-x86_64-pc-linux/../mingw-w64-crt/crt64/gs_support.c:99:
undefined reference to `_RtlVirtualUnwind'
/home/nightstrike/build/mingw/build-x86_64-pc-linux/../mingw-w64-crt/crt64/gs_support.c:125:
undefined reference to `__imp__SetUnhandledExceptionFilter'
/home/nightstrike/build/mingw/build-x86_64-pc-linux/../mingw-w64-crt/crt64/gs_support.c:126:
undefined reference to `__imp__UnhandledExceptionFilter'
/home/nightstrike/build/mingw/build-x86_64-pc-linux/../mingw-w64-crt/crt64/gs_support.c:127:
undefined reference to `__imp__GetCurrentProcess'
/home/nightstrike/build/mingw/build-x86_64-pc-linux/../mingw-w64-crt/crt64/gs_support.c:127:
undefined reference to `__imp__TerminateProcess'
/home/nightstrike/root-x86_64-pc-linux/x86_64-pc-mingw32/lib/libmingw32.a(lib64_libmingw32_a-gs_support.o):
In function `__security_init_cookie':
/home/nightstrike/build/mingw/build-x86_64-pc-linux/../mingw-w64-crt/crt64/gs_support.c:53:
undefined reference to `__imp__GetSystemTimeAsFileTime'
/home/nightstrike/build/mingw/build-x86_64-pc-linux/../mingw-w64-crt/crt64/gs_support.c:61:
undefined reference to `__imp__GetCurrentProcessId'
/home/nightstrike/build/mingw/build-x86_64-pc-linux/../mingw-w64-crt/crt64/gs_support.c:63:
undefined reference to `__imp__GetTickCount'
/home/nightstrike/build/mingw/build-x86_64-pc-linux/../mingw-w64-crt/crt64/gs_support.c:65:
undefined reference to `__imp__QueryPerformanceCounter'
collect2: ld returned 1 exit status




And this is for 139839:


/mnt/sdb1/buildbot/linuxvm-slave/linux-i386/build/gcc/obj/./gcc/xgcc
-B/mnt/sdb1/buildbot/linuxvm-slave/linux-i386/build/gcc/obj/./gcc/
-L/mnt/sdb1/buildbot/linuxvm-slave/linux-i386/build/gcc/obj/x86_64-pc-mingw32/winsup/mingw
-L/mnt/sdb1/buildbot/linuxvm-slave/linux-i386/build/gcc/obj/x86_64-pc-mingw32/winsup/w32api/lib
-isystem /mnt/sdb1/buildbot/linuxvm-slave/linux-i386/build/gcc/gcc/winsup/mingw/include
-isystem /mnt/sdb1/buildbot/linuxvm-slave/linux-i386/build/gcc/gcc/winsup/w32api/include
-B/mnt/sdb1/buildbot/linuxvm-slave/linux-i386/build/root/x86_64-pc-mingw32/bin/
-B/mnt/sdb1/buildbot/linuxvm-slave/linux-i386/build/root/x86_64-pc-mingw32/lib/
-isystem /mnt/sdb1/buildbot/linuxvm-slave/linux-i386/build/root/x86_64-pc-mingw32/include
-isystem /mnt/sdb1/buildbot/linuxvm-slave/linux-i386/build/root/x86_64-pc-mingw32/sys-include
-g -O0 -O2 -I../../gcc/gcc/../winsup/w32api/include -g -O0 -DIN_GCC
-DCROSS_DIRECTORY_STRUCTURE -DNATIVE_CROSS  -W -Wall -Wwrite-strings
-Wstrict-prototypes -Wmissing-prototypes -Wcast-qual
-Wold-style-definition  -isystem ./include   -g -DHAVE_GTHR_DEFAULT
-DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED   -I. -I. -I../.././gcc
-I../../../gcc/libgcc -I../../../gcc/libgcc/.
-I../../../gcc/libgcc/../gcc -I../../../gcc/libgcc/../include
-DHAVE_CC_TLS -o gthr-win32.o -MT gthr-win32.o -MD -MP -MF
gthr-win32.dep -fexceptions -c
../../../gcc/libgcc/../gcc/config/i386/gthr-win32.c
In file included from ../../../gcc/libgcc/../gcc/config/i386/gthr-win32.c:40:
../../../gcc/libgcc/../gcc/gthr-win32.h: In function
‘__gthread_setspecific’:
../../../gcc/libgcc/../gcc/gthr-win32.h:458: warning: implicit
declaration of function ‘CONST_CAST2’
../../../gcc/libgcc/../gcc/gthr-win32.h:458: error: expected
expression before ‘void’
../../../gcc/libgcc/../gcc/gthr-win32.h:458: warning: passing argument
2 of ‘TlsSetValue’ makes pointer from integer without a cast
/mnt/sdb1/buildbot/linuxvm-slave/linux-i386/build/root/x86_64-pc-mingw32/include/winbase.h:1617:
note: expected ‘LPVOID’ but argument is of type ‘int’
../../../gcc/libgcc/../gcc/gthr-win32.h:456: warning: unused parameter ‘ptr’
../../../gcc/libgcc/../gcc/config/i386/gthr-win32.c: In function
‘__gthr_win32_setspecific’:
../../../gcc/libgcc/../gcc/config/i386/gthr-win32.c:144: error:
expected expression before ‘void’
../../../gcc/libgcc/../gcc/config/i386/gthr-win32.c:144: warning:
passing argument 2 of ‘TlsSetValue’ makes pointer from integer
without a cast
/mnt/sdb1/buildbot/linuxvm-slave/linux-i386/build/root/x86_64-pc-mingw32/include/winbase.h:1617:
note: expected ‘LPVOID’ but argument is of type ‘int’
../../../gcc/libgcc/../gcc/config/i386/gthr-win32.c:142: warning:
unused parameter ‘ptr’
make[2]: *** [gthr-win32.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[2]: Leaving directory
`/mnt/sdb1/buildbot/linuxvm-slave/linux-i386/build/gcc/obj/x86_64-pc-mingw32/libgcc'
make[1]: Leaving directory
`/mnt/sdb1/buildbot/linuxvm-slave/linux-i386/build/gcc/obj'
make[1]: *** [all-target-libgcc] Error 2
make: *** [all] Error 2
program finished with exit code 2

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