[Gm2] Cygwin build error

[Christoph Schlegel]

Hello Gaius,

I tried the new tarball (30-Aug-2014) and get (similar to the last error 
reported on this platform):

ln -s -f libgcc.map libgcc.map.def && if [ ! -d ./shlib ]; then mkdir ./shlib; 
else true; fi && /home/Christoph/gm2build/./gcc/xgcc 
-B/home/Christoph/gm2build/./gcc/ -B/home/Christoph/opt/i686-pc-cygwin/bin/ 
-B/home/Christoph/opt/i686-pc-cygwin/lib/ -isystem 
/home/Christoph/opt/i686-pc-cygwin/include -isystem 
/home/Christoph/opt/i686-pc-cygwin/sys-include    -O2 
-I../../../gcc-4.7.3/libgcc/../winsup/w32api/include 
-I../../../gcc-4.7.3/libgcc/../winsup/include 
-I../../../gcc-4.7.3/libgcc/../winsup/cygwin/include -O2 -g -DIN_GCC   -W -Wall 
-Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes 
-Wmissing-prototypes -Wold-style-definition  -isystem ./include   -g 
-DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector   -shared -nodefaultlibs 
libgcc.map.def -Wl,--out-implib,./shlib/libgcc_s.dll.a.tmp -o 
./shlib/cyggcc_s-sjlj-1.dll.tmp -O2 -g -B./ _chkstk_s.o _chkstk_ms_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 _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 _clrsbsi2_s.o _clrsbdi2_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 tf-signs_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 
extendsftf2_s.o extenddftf2_s.o extendxftf2_s.o trunctfsf2_s.o trunctfdf2_s.o 
trunctfxf2_s.o enable-execute-stack_s.o unwind-dw2_s.o unwind-dw2-fde_s.o 
unwind-sjlj_s.o unwind-c_s.o emutls_s.o libgcc.a  -lcygwin -ladvapi32 -lshell32 
-luser32 -lkernel32 && if [ -f ./shlib/cyggcc_s-sjlj-1.dll ]; then mv -f 
./shlib/cyggcc_s-sjlj-1.dll ./shlib/cyggcc_s-sjlj-1.dll.backup; else true; fi 
&& mv ./shlib/cyggcc_s-sjlj-1.dll.tmp ./shlib/cyggcc_s-sjlj-1.dll && mv 
./shlib/libgcc_s.dll.a.tmp ./shlib/libgcc_s.dll.a
/home/Christoph/gm2build/./gcc/crtend.o:cygming-crtend.c:(.text.startup+0x13): 
undefined reference to `_atexit'
collect2: error: ld returned 1 exit status
Makefile:922: recipe for target 'libgcc_s.dll' failed
make[2]: *** [libgcc_s.dll] Error 1
make[2]: Leaving directory '/home/Christoph/gm2build/i686-pc-cygwin/libgcc'
Makefile:10083: recipe for target 'all-target-libgcc' failed
make[1]: *** [all-target-libgcc] Error 2
make[1]: Leaving directory '/home/Christoph/gm2build'
Makefile:881: recipe for target 'all' failed
make: *** [all] Error 2

Regards,
Christoph