symbols missing during libgcc link

2010-10-04
2013-06-06
  • Derrick Aguren

    Derrick Aguren - 2010-10-04

    during bootstrap hosted on x86_64 Ubuntu 8.10
    using Ubuntu gcc 4.3.2-1ubuntu12

    in ./bld_gcc:
    ../gcc-4.5.1/configure -target=x86_64-w64-mingw32 -enable-targets=all -with-sysroot=/opt/mingw-w64 -prefix=/opt/mingw-w64
    make all-gcc
    make install-gcc
    add /opt/mingw-64/bin to PATH

    in ./bld_crt:
    ../mingw-w64-v1.0-20100914/mingw-w64-crt/configure -host=x86_64-w64-mingw32 -enable-lib32 -with-sysroot=/opt/mingw-w64 -prefix=/opt/mingw-w64
    make
    make install

    back in ./bld_gcc:
    make
    <clipped>
    ln -s -f libgcc.map libgcc.map.def && if ; then mkdir ./shlib; else true; fi && /opt/mingw-w64/build/bld_gcc/./gcc/xgcc -B/opt/mingw-w64/build/bld_gcc/./gcc/ -L/opt/mingw-w64/x86_64-w64-mingw32/lib -L/opt/mingw-w64/mingw/lib -isystem /opt/mingw-w64/x86_64-w64-mingw32/include -isystem /opt/mingw-w64/mingw/include -B/opt/mingw-w64/x86_64-w64-mingw32/bin/ -B/opt/mingw-w64/x86_64-w64-mingw32/lib/ -isystem /opt/mingw-w64/x86_64-w64-mingw32/include -isystem /opt/mingw-w64/x86_64-w64-mingw32/sys-include    -O2 -I../../gcc-4.5.1/gcc/../winsup/w32api/include -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE  -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -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_sjlj-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 _fixunssfdi_s.o _fixunsdfdi_s.o _fixunsxfdi_s.o _floatdisf_s.o _floatdidf_s.o _floatdixf_s.o _floatundisf_s.o _floatundidf_s.o _floatundixf_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 addtf3_s.o divtf3_s.o eqtf2_s.o getf2_s.o letf2_s.o multf3_s.o negtf2_s.o subtf3_s.o unordtf2_s.o fixtfsi_s.o fixunstfsi_s.o floatsitf_s.o floatunsitf_s.o fixtfdi_s.o fixunstfdi_s.o floatditf_s.o floatunditf_s.o fixtfti_s.o fixunstfti_s.o floattitf_s.o floatuntitf_s.o extendsftf2_s.o extenddftf2_s.o extendxftf2_s.o trunctfsf2_s.o trunctfdf2_s.o trunctfxf2_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 -lmingw32 -lmingwex -lmoldname -lmsvcrt -luser32 -lkernel32 -ladvapi32 -lshell32 && if ; then mv -f ./shlib/libgcc_s_sjlj-1.dll ./shlib/libgcc_s_sjlj-1.dll.backup; else true; fi && mv ./shlib/libgcc_s_sjlj-1.dll.tmp ./shlib/libgcc_s_sjlj-1.dll && mv ./shlib/libgcc_s.a.tmp ./shlib/libgcc_s.a
    Creating library file: ./shlib/libgcc_s.a.tmp
    Cannot export _Unwind_Backtrace: symbol not defined
    Cannot export _Unwind_DeleteException: symbol not defined
    Cannot export _Unwind_FindEnclosingFunction: symbol not defined
    Cannot export _Unwind_Find_FDE: symbol not defined
    Cannot export _Unwind_GetCFA: symbol not defined
    <clipped>
    Cannot export __unordtf2: symbol not defined
    /opt/mingw-w64/x86_64-w64-mingw32/lib/dllcrt2.o: In function `pre_c_init':
    /opt/mingw-w64/build/mingw-w64-v1.0-snapshot-20100914/bld_crt/../mingw-w64-v1.0-20100914/mingw-w64-crt/crt/crtdll.c:65: undefined reference to `malloc'
    /opt/mingw-w64/x86_64-w64-mingw32/lib/dllcrt2.o: In function `_CRT_INIT':
    /opt/mingw-w64/build/mingw-w64-v1.0-snapshot-20100914/bld_crt/../mingw-w64-v1.0-20100914/mingw-w64-crt/crt/crtdll.c:124: undefined reference to `__imp_Sleep'
    /opt/mingw-w64/build/mingw-w64-v1.0-snapshot-20100914/bld_crt/../mingw-w64-v1.0-20100914/mingw-w64-crt/crt/crtdll.c:130: undefined reference to `_amsg_exit'
    /opt/mingw-w64/build/mingw-w64-v1.0-snapshot-20100914/bld_crt/../mingw-w64-v1.0-20100914/mingw-w64-crt/crt/crtdll.c:92: undefined reference to `__imp_Sleep'
    /opt/mingw-w64/build/mingw-w64-v1.0-snapshot-20100914/bld_crt/../mingw-w64-v1.0-20100914/mingw-w64-crt/crt/crtdll.c:107: undefined reference to `_initterm'
    /opt/mingw-w64/build/mingw-w64-v1.0-snapshot-20100914/bld_crt/../mingw-w64-v1.0-20100914/mingw-w64-crt/crt/crtdll.c:108: undefined reference to `_initterm'
    /opt/mingw-w64/build/mingw-w64-v1.0-snapshot-20100914/bld_crt/../mingw-w64-v1.0-20100914/mingw-w64-crt/crt/crtdll.c:101: undefined reference to `_amsg_exit'
    /opt/mingw-w64/build/mingw-w64-v1.0-snapshot-20100914/bld_crt/../mingw-w64-v1.0-20100914/mingw-w64-crt/crt/crtdll.c:141: undefined reference to `free'
    _enable_execute_stack_s.o: In function `__enable_execute_stack':
    /opt/mingw-w64/build/bld_gcc/x86_64-w64-mingw32/libgcc/../../../gcc-4.5.1/libgcc/../gcc/libgcc2.c:2038: undefined reference to `__imp_VirtualQuery'
    /opt/mingw-w64/build/bld_gcc/x86_64-w64-mingw32/libgcc/../../../gcc-4.5.1/libgcc/../gcc/libgcc2.c:2038: undefined reference to `__imp_VirtualProtect'
    /opt/mingw-w64/build/bld_gcc/x86_64-w64-mingw32/libgcc/../../../gcc-4.5.1/libgcc/../gcc/libgcc2.c:2038: undefined reference to `abort'
    <etc>

    /opt/mingw-w64/x86_64-mingw32/lib/libmsvcrt.a is present and seems to contain all the "missing" runtime symbols (e.g. malloc and free).

    Thanks in advance

     
  • Derrick Aguren

    Derrick Aguren - 2010-10-04

    um, sorry about the lack of CRs in the post. Looked fine when I wrote it.

     
  • Jonathan Yong

    Jonathan Yong - 2010-10-04

    Try using binutils from CVS.

     
  • Derrick Aguren

    Derrick Aguren - 2010-10-11

    I misread your instructions… thanks.

     

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