At r185971, the multi lib bootstrap on i386-apple-darwin is broken... Adding multilib support to Makefile in ../../../gcc-4.8-20120329/libgcc multidirs=x86_64 with_multisubdir= Running configure in multilib subdirs x86_64 pwd: /sw_i386/src/fink.build/gcc48-4.8.0-1000/darwin_objdir/i386-apple-darwin10.8.0/libgcc Running configure in multilib subdir x86_64 pwd: /sw_i386/src/fink.build/gcc48-4.8.0-1000/darwin_objdir/i386-apple-darwin10.8.0 mkdir x86_64 configure: creating cache ./config.cache checking build system type... i386-apple-darwin10.8.0 checking host system type... i386-apple-darwin10.8.0 checking for --enable-version-specific-runtime-libs... no checking for a BSD-compatible install... /usr/bin/install -c checking for gawk... gawk checking for i386-apple-darwin10.8.0-ar... ar checking for i386-apple-darwin10.8.0-lipo... lipo checking for i386-apple-darwin10.8.0-nm... /sw_i386/src/fink.build/gcc48-4.8.0-1000/darwin_objdir/./gcc/nm checking for i386-apple-darwin10.8.0-ranlib... ranlib checking for i386-apple-darwin10.8.0-strip... strip checking whether ln -s works... yes checking for i386-apple-darwin10.8.0-gcc... /sw_i386/src/fink.build/gcc48-4.8.0-1000/darwin_objdir/./gcc/xgcc -B/sw_i386/src/fink.build/gcc48-4.8.0-1000/darwin_objdir/./gcc/ -B/sw_i386/lib/gcc4.8/i386-apple-darwin10.8.0/bin/ -B/sw_i386/lib/gcc4.8/i386-apple-darwin10.8.0/lib/ -isystem /sw_i386/lib/gcc4.8/i386-apple-darwin10.8.0/include -isystem /sw_i386/lib/gcc4.8/i386-apple-darwin10.8.0/sys-include -m64 checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether /sw_i386/src/fink.build/gcc48-4.8.0-1000/darwin_objdir/./gcc/xgcc -B/sw_i386/src/fink.build/gcc48-4.8.0-1000/darwin_objdir/./gcc/ -B/sw_i386/lib/gcc4.8/i386-apple-darwin10.8.0/bin/ -B/sw_i386/lib/gcc4.8/i386-apple-darwin10.8.0/lib/ -isystem /sw_i386/lib/gcc4.8/i386-apple-darwin10.8.0/include -isystem /sw_i386/lib/gcc4.8/i386-apple-darwin10.8.0/sys-include -m64 accepts -g... no checking for /sw_i386/src/fink.build/gcc48-4.8.0-1000/darwin_objdir/./gcc/xgcc -B/sw_i386/src/fink.build/gcc48-4.8.0-1000/darwin_objdir/./gcc/ -B/sw_i386/lib/gcc4.8/i386-apple-darwin10.8.0/bin/ -B/sw_i386/lib/gcc4.8/i386-apple-darwin10.8.0/lib/ -isystem /sw_i386/lib/gcc4.8/i386-apple-darwin10.8.0/include -isystem /sw_i386/lib/gcc4.8/i386-apple-darwin10.8.0/sys-include -m64 option to accept ISO C89... unsupported checking how to run the C preprocessor... /sw_i386/src/fink.build/gcc48-4.8.0-1000/darwin_objdir/./gcc/xgcc -B/sw_i386/src/fink.build/gcc48-4.8.0-1000/darwin_objdir/./gcc/ -B/sw_i386/lib/gcc4.8/i386-apple-darwin10.8.0/bin/ -B/sw_i386/lib/gcc4.8/i386-apple-darwin10.8.0/lib/ -isystem /sw_i386/lib/gcc4.8/i386-apple-darwin10.8.0/include -isystem /sw_i386/lib/gcc4.8/i386-apple-darwin10.8.0/sys-include -m64 -E checking for grep that handles long lines and -e... /usr/bin/grep checking for egrep... /usr/bin/grep -E checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking size of double... 8 checking size of long double... 16 checking whether decimal floating point is supported... no configure: WARNING: decimal float is not supported for this target, ignored checking whether fixed-point is supported... no checking whether to use setjmp/longjmp exceptions... unknown configure: error: unable to detect exception model make[2]: *** [configure-stage1-target-libgcc] Error 1 make[1]: *** [stage1-bubble] Error 2 Build configure as... $ ../gcc-4.8-20120329/configure --prefix=/sw_i386 --prefix=/sw_i386/lib/gcc4.8 --mandir=/sw_i386/share/man --infodir=/sw_i386/lib/gcc4.8/info --enable-languages=c,c++,fortran,lto,objc,obj-c++,java --with-gmp=/sw_i386 --with-libiconv-prefix=/sw_i386 --with-ppl=/sw_i386 --with-cloog=/sw_i386 --with-mpc=/sw_i386 --with-system-zlib --x-includes=/usr/X11R6/include --x-libraries=/usr/X11R6/lib --program-suffix=-fsf-4.8 --enable-cloog-backend=isl
Caused by... Author: hjl Date: Wed Mar 28 22:42:28 2012 New Revision: 185937 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=185937 Log: Add ABI_64 and replace ISA_X32 with ABI_X32 2012-03-28 H.J. Lu <hongjiu.lu@intel.com> * config/i386/biarch64.h (TARGET_64BIT_DEFAULT): Add OPTION_MASK_ABI_64. * config/i386/gnu-user64.h (SPEC_64): Support TARGET_BI_ARCH == 2. (SPEC_X32): Likewise. (MULTILIB_DEFAULTS): Likewise. * config/i386/i386.c (isa_opts): Remove -m64. (ix86_target_string): Properly handle -m32/-m64/-mx32. (ix86_option_override_internal): Properly set OPTION_MASK_ISA_64BIT and OPTION_MASK_ISA_X32 as well as handle -m32, -m64 and -mx32. * config/i386/i386.h (TARGET_X32): Replace OPTION_ISA_X32 with OPTION_ABI_X32. Moved after TARGET_LP64. (TARGET_LP64): Changed to OPTION_ABI_64. * config/i386/i386.opt (m64): Replace ISA_64BIT with ABI_64. (mx32): Replace ISA_X32 with ABI_X32. Modified: trunk/gcc/ChangeLog trunk/gcc/config/i386/biarch64.h trunk/gcc/config/i386/gnu-user64.h trunk/gcc/config/i386/i386.c trunk/gcc/config/i386/i386.h trunk/gcc/config/i386/i386.opt Reverting this commit eliminates the multilib bootstrap failure on i386-apple-darwin10.
Same on Solaris 10 and 11/x86. Please fix. Rainer
Mine.
A patch is posted at http://gcc.gnu.org/ml/gcc-patches/2012-03/msg01948.html
Author: hjl Date: Sat Mar 31 21:03:36 2012 New Revision: 186049 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=186049 Log: Don't check TARGET_64BIT if TARGET_64BIT_DEFAULT is false 2012-03-31 H.J. Lu <hongjiu.lu@intel.com> PR bootstrap/52784 * config/i386/i386.c (ix86_option_override_internal): Don't check TARGET_64BIT if TARGET_64BIT_DEFAULT is false. Modified: trunk/gcc/ChangeLog trunk/gcc/config/i386/i386.c
Fixed.