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Re: [patch, build] Restore bootstrap in building libcc1 on darwin
- From: FX <fxcoudert at gmail dot com>
- To: Richard Biener <richard dot guenther at gmail dot com>
- Cc: Iain Sandoe <iain at codesourcery dot com>, gcc-patches <gcc-patches at gcc dot gnu dot org>, GCC Development <gcc at gcc dot gnu dot org>
- Date: Thu, 4 Dec 2014 16:24:05 +0100
- Subject: Re: [patch, build] Restore bootstrap in building libcc1 on darwin
- Authentication-results: sourceware.org; auth=none
- References: <94381BB6-563C-44EE-910E-9569410F2AB5 at gmail dot com> <C3BC6494-0362-4AFC-9F1D-E456B6D9A471 at gmail dot com> <F510F911-EA66-4CA8-A43D-92CF538E50F4 at gmail dot com> <ydd388vczh8 dot fsf at lokon dot CeBiTec dot Uni-Bielefeld dot DE> <659E2BE7-2692-4023-9BD2-CE131F8B5451 at codesourcery dot com> <0EB3ED59-3AB7-4EF5-94F3-AFFEB0DAD812 at gmail dot com> <CAFiYyc0+sGS8o7drgCmEnhjyk4zHisamJDOBBJ3pC7SX88OZaQ at mail dot gmail dot com>
> Can you try adding it as
>
> T_CFLAGS += -mdynamic-no-pic
>
> in gcc/config/t-tarwin instead?
Nope, doing so fails to link libgcc_s.dylib:
/Users/fx/devel/gcc/i/./gcc/xgcc -B/Users/fx/devel/gcc/i/./gcc/ -B/Users/fx/devel/gcc/i2/i386-apple-darwin14.0.0/bin/ -B/Users/fx/devel/gcc/i2/i386-apple-darwin14.0.0/lib/ -isystem /Users/fx/devel/gcc/i2/i386-apple-darwin14.0.0/include -isystem /Users/fx/devel/gcc/i2/i386-apple-darwin14.0.0/sys-include -O2 -g -O2 -DIN_GCC -mdynamic-no-pic -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem ./include -pipe -fno-common -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -dynamiclib -nodefaultlibs -install_name /Users/fx/devel/gcc/i2/lib/libgcc_s.1.dylib -single_module -o ./libgcc_s.dylib -Wl,-exported_symbols_list,libgcc.map -compatibility_version 1 -current_version 1.0 -g -O2 -B./ _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 _fixsfti_s.o _fixdfti_s.o _fixxfti_s.o _fixtfti_s.o _fixunssfti_s.o _fixunsdfti_s.o _fixunsxfti_s.o _fixunstfti_s.o _floattisf_s.o _floattidf_s.o _floattixf_s.o _floattitf_s.o _floatuntisf_s.o _floatuntidf_s.o _floatuntixf_s.o _floatuntitf_s.o _divdi3_s.o _moddi3_s.o _udivdi3_s.o _umoddi3_s.o _udiv_w_sdiv_s.o _udivmoddi4_s.o darwin-64_s.o cpuinfo_s.o tf-signs_s.o sfp-exceptions_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-darwin_s.o unwind-sjlj_s.o unwind-c_s.o emutls_s.o libgcc.a -lc
ld: warning: could not create compact unwind for __Unwind_RaiseException: does not use EBP or ESP based frame
ld: warning: could not create compact unwind for __Unwind_ForcedUnwind: does not use EBP or ESP based frame
ld: warning: could not create compact unwind for __Unwind_Resume: does not use EBP or ESP based frame
ld: warning: could not create compact unwind for __Unwind_Resume_or_Rethrow: does not use EBP or ESP based frame
ld: illegal text-relocation to '4-byte-literal' in _powisf2_s.o from '___powisf2' in _powisf2_s.o for architecture i386
collect2: error: ld returned 1 exit status
make[3]: *** [libgcc_s.dylib] Error 1
make[2]: *** [all-stage1-target-libgcc] Error 2
make[1]: *** [stage1-bubble] Error 2
make: *** [all] Error 2