Re: -mmacosx-version-min and libgcc

[Geoffrey Keating <geoffk at apple dot com>]

On 29/09/2005, at 11:07 AM, Andrew Pinski wrote:

> On Sep 28, 2005, at 7:46 PM, Geoffrey Keating wrote:
>
>
> > When using a shared libgcc, GCC links with '-lgcc_s -lgcc', with the
> > intention of having those symbols in the system's libgcc used from  
> > the
> > shared library, but backfilling from the static library if those
> > symbols are not available.
>
> And this breaks building on powerpc-darwin7.9:
> output from the build:
> make \
>   CFLAGS="-g -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing- 
> prototypes -Wmissing-format-attribute -fno-common " \
>   CONFIG_H="tconfig.h auto-host.h /Users/pinskia/src/combine/gcc/ 
> gcc/../include/ansidecl.h" TM_H="tm.h      options.h /Users/pinskia/ 
> src/combine/gcc/gcc/config/rs6000/rs6000.h /Users/pinskia/src/ 
> combine/gcc/gcc/config/darwin.h /Users/pinskia/src/combine/gcc/gcc/ 
> config/rs6000/darwin.h /Users/pinskia/src/combine/gcc/gcc/config/ 
> rs6000/darwin7.h /Users/pinskia/src/combine/gcc/gcc/defaults.h insn- 
> constants.h insn-flags.h options.h" \
>   INCLUDES="-I. -I. -I/Users/pinskia/src/combine/gcc/gcc -I/Users/ 
> pinskia/src/combine/gcc/gcc/. -I/Users/pinskia/src/combine/gcc/ 
> gcc/../include -I./../intl -I/Users/pinskia/src/combine/gcc/gcc/../ 
> libcpp/include " \
>   MAKEOVERRIDES= \
>   -f libgcc.mk all
> ./xgcc -B./ -B/Users/pinskia/combine/powerpc-apple-darwin7.9.0/bin/  
> -isystem /Users/pinskia/combine/powerpc-apple-darwin7.9.0/include - 
> isystem /Users/pinskia/combine/powerpc-apple-darwin7.9.0/sys- 
> include -L/Users/pinskia/src/combine/gcc/objdir/gcc/../ld -O2   - 
> DIN_GCC    -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing- 
> prototypes -Wold-style-definition  -isystem ./include  -Wa,- 
> force_cpusubtype_ALL -pipe -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 - 
> D__GCC_FLOAT_NOT_NEEDED  -dynamiclib -nodefaultlibs -Wl,- 
> install_name,/Users/pinskia/combine/lib/libgcc_s`if test . != . ;  
> then echo _. ; fi`.1.dylib -Wl,-flat_namespace -o libgcc_s`if  
> test . != . ; then echo _. ; fi`.1.dylib.tmp -Wl,- 
> exported_symbols_list,libgcc/./libgcc.map -compatibility_version 1 - 
> current_version 1.0  libgcc/./_muldi3_s.o libgcc/./_negdi2_s.o  
> libgcc/./_lshrdi3_s.o libgcc/./_ashldi3_s.o libgcc/./_ashrdi3_s.o  
> libgcc/./_cmpdi2_s.o libgcc/./_ucmpdi2_s.o libgcc/./_floatdidf_s.o  
> libgcc/./_floatdisf_s.o libgcc/./_fixunsdfsi_s.o libgcc/./ 
> _fixunssfsi_s.o libgcc/./_fixunsdfdi_s.o libgcc/./_fixdfdi_s.o  
> libgcc/./_fixunssfdi_s.o libgcc/./_fixsfdi_s.o libgcc/./ 
> _fixxfdi_s.o libgcc/./_fixunsxfdi_s.o libgcc/./_floatdixf_s.o  
> libgcc/./_fixunsxfsi_s.o libgcc/./_fixtfdi_s.o libgcc/./ 
> _fixunstfdi_s.o libgcc/./_floatditf_s.o libgcc/./_clear_cache_s.o  
> libgcc/./_enable_execute_stack_s.o libgcc/./_trampoline_s.o  
> libgcc/./__main_s.o libgcc/./_absvsi2_s.o libgcc/./_absvdi2_s.o  
> libgcc/./_addvsi3_s.o libgcc/./_addvdi3_s.o libgcc/./_subvsi3_s.o  
> libgcc/./_subvdi3_s.o libgcc/./_mulvsi3_s.o libgcc/./_mulvdi3_s.o  
> libgcc/./_negvsi2_s.o libgcc/./_negvdi2_s.o libgcc/./_ctors_s.o  
> libgcc/./_ffssi2_s.o libgcc/./_ffsdi2_s.o libgcc/./_clz_s.o  
> libgcc/./_clzsi2_s.o libgcc/./_clzdi2_s.o libgcc/./_ctzsi2_s.o  
> libgcc/./_ctzdi2_s.o libgcc/./_popcount_tab_s.o libgcc/./ 
> _popcountsi2_s.o libgcc/./_popcountdi2_s.o libgcc/./_paritysi2_s.o  
> libgcc/./_paritydi2_s.o libgcc/./_powisf2_s.o libgcc/./_powidf2_s.o  
> libgcc/./_powixf2_s.o libgcc/./_powitf2_s.o libgcc/./_mulsc3_s.o  
> libgcc/./_muldc3_s.o libgcc/./_mulxc3_s.o libgcc/./_multc3_s.o  
> libgcc/./_divsc3_s.o libgcc/./_divdc3_s.o libgcc/./_divxc3_s.o  
> libgcc/./_divtc3_s.o libgcc/./_divdi3_s.o libgcc/./_moddi3_s.o  
> libgcc/./_udivdi3_s.o libgcc/./_umoddi3_s.o libgcc/./ 
> _udiv_w_sdiv_s.o libgcc/./_udivmoddi4_s.o libgcc/./darwin-tramp_s.o  
> libgcc/./darwin-ldouble_s.o libgcc/./unwind-dw2_s.o libgcc/./unwind- 
> dw2-fde-darwin_s.o libgcc/./unwind-sjlj_s.o libgcc/./unwind-c_s.o  
> libgcc/./darwin-fallback_s.o -lc && if [ -f libgcc_s`if test . ! 
> = . ; then echo _. ; fi`.1.dylib ]; then mv -f libgcc_s`if test . ! 
> = . ; then echo _. ; fi`.1.dylib libgcc_s`if test . != . ; then  
> echo _. ; fi`.1.dylib.backup; else true; fi && mv libgcc_s`if  
> test . != . ; then echo _. ; fi`.1.dylib.tmp libgcc_s`if test . ! 
> = . ; then echo _. ; fi`.1.dylib
> ld: warning -L: directory name (/Users/pinskia/src/combine/gcc/ 
> objdir/gcc/../ld) does not exist
> for mlib in ''  ; do \
>    -o libgcc_s.10.4.dylib_T${mlib} \
>     -s /Users/pinskia/src/combine/gcc/gcc/config/rs6000/darwin- 
> libgcc.10.4.ver -c -u \
>     libgcc_s${mlib}.1.dylib || exit 1 ; \
> done
> /bin/sh: line 1: -o: command not found
> make: *** [libgcc_s.10.4.dylib] Error 1

It worked for me.  Somehow, STRIP_FOR_TARGET is not being set for  
you.  Did you update all of your tree?  There are top-level Makefile  
changes.

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