Gcc [gcc-4_7-branch revision 190295] failed to bootstrap on x86_64!

[H.J. Lu Intel64]

cd bld; \
 RUNTESTFLAGS="--target_board='unix{-m32,}'" ../src-4.7/configure \
	 --prefix=/usr/local --enable-clocale=gnu --with-system-zlib --enable-shared --with-demangler-in-ld --with-fpmath=sse --enable-languages=c,c++,fortran,java,lto,objc
checking build system type... x86_64-unknown-linux-gnu
checking host system type... x86_64-unknown-linux-gnu
checking target system type... x86_64-unknown-linux-gnu
checking for a BSD-compatible install... /bin/install -c
    grep "Error " makelog.190295.4.7.x86_64 >> makelog.190295.4.7.x86_64.mail; \
make[5]: *** [configure-stage1-target-libgcc] Error 1
make[4]: *** [stage1-bubble] Error 2
make[3]: *** [bootstrap] Error 2
make[2]: *** [bootstrap] Error 2
Applying io_quotes_use            to drm/savage_drm.h
Applying io_quotes_use            to drm/exynos_drm.h
Applying io_quotes_use            to drm/nouveau_drm.h
Applying io_quotes_use            to drm/drm.h
Applying io_quotes_use            to drm/i810_drm.h
Applying io_quotes_use            to drm/sis_drm.h
Applying io_quotes_use            to video/sisfb.h
Applying io_quotes_use            to mtd/ubi-user.h
Cleaning up unneeded directories:
fixincludes is done
echo timestamp > stmp-fixinc
if [ -d include ] ; then true; else mkdir include; chmod a+rx include; fi
if [ -d include-fixed ] ; then true; else mkdir include-fixed; chmod a+rx include-fixed; fi
for file in .. ../../src-4.7/gcc/ginclude/float.h ../../src-4.7/gcc/ginclude/iso646.h ../../src-4.7/gcc/ginclude/stdarg.h ../../src-4.7/gcc/ginclude/stdbool.h ../../src-4.7/gcc/ginclude/stddef.h ../../src-4.7/gcc/ginclude/varargs.h ../../src-4.7/gcc/ginclude/stdfix.h ../../src-4.7/gcc/ginclude/stdnoreturn.h ../../src-4.7/gcc/ginclude/stdalign.h ../../src-4.7/gcc/config/i386/cpuid.h ../../src-4.7/gcc/config/i386/mmintrin.h ../../src-4.7/gcc/config/i386/mm3dnow.h ../../src-4.7/gcc/config/i386/xmmintrin.h ../../src-4.7/gcc/config/i386/emmintrin.h ../../src-4.7/gcc/config/i386/pmmintrin.h ../../src-4.7/gcc/config/i386/tmmintrin.h ../../src-4.7/gcc/config/i386/ammintrin.h ../../src-4.7/gcc/config/i386/smmintrin.h ../../src-4.7/gcc/config/i386/nmmintrin.h ../../src-4.7/gcc/config/i386/bmmintrin.h ../../src-4.7/gcc/config/i386/fma4intrin.h ../../src-4.7/gcc/config/i386/wmmintrin.h ../../src-4.7/gcc/config/i386/immintrin.h ../../src-4.7/gcc/config/i386/x86intrin.h ../../src-4.7/gcc/config/i386/avxintrin.h ../../src-4.7/gcc/config/i386/xopintrin.h ../../src-4.7/gcc/config/i386/ia32intrin.h ../../src-4.7/gcc/config/i386/cross-stdarg.h ../../src-4.7/gcc/config/i386/lwpintrin.h ../../src-4.7/gcc/config/i386/popcntintrin.h ../../src-4.7/gcc/config/i386/lzcntintrin.h ../../src-4.7/gcc/config/i386/bmiintrin.h ../../src-4.7/gcc/config/i386/tbmintrin.h ../../src-4.7/gcc/config/i386/bmi2intrin.h ../../src-4.7/gcc/config/i386/avx2intrin.h ../../src-4.7/gcc/config/i386/fmaintrin.h ../../src-4.7/gcc/config/i386/f16cintrin.h mm_malloc.h; do \
  if [ X$file != X.. ]; then \
    realfile=`echo $file | sed -e 's|.*/\([^/]*\)$|\1|'`; \
    echo timestamp > include/$realfile; \
    rm -f include/$realfile; \
    cp $file include; \
    chmod a+r include/$realfile; \
  fi; \
done
for file in .. ; do \
  if [ X$file != X.. ]; then \
            mv include/$file include/x_$file; \
            echo "#include_next <$file>" >include/$file; \
            cat include/x_$file >>include/$file; \
            rm -f include/x_$file; \
    chmod a+r include/$file; \
  fi; \
done
for file in .. ; do \
  if [ X$file != X.. ]; then \
    echo "#include_next <$file>" >>include/$file; \
    chmod a+r include/$file; \
  fi; \
done
rm -f include/stdint.h
if [ wrap = wrap ]; then \
  rm -f include/stdint-gcc.h; \
  cp ../../src-4.7/gcc/ginclude/stdint-gcc.h include/stdint-gcc.h; \
  chmod a+r include/stdint-gcc.h; \
  cp ../../src-4.7/gcc/ginclude/stdint-wrap.h include/stdint.h; \
  chmod a+r include/stdint.h; \
elif [ wrap = provide ]; then \
  cp ../../src-4.7/gcc/ginclude/stdint-gcc.h include/stdint.h; \
  chmod a+r include/stdint.h; \
fi
set -e; for ml in `cat fixinc_list`; do \
  sysroot_headers_suffix=`echo ${ml} | sed -e 's/;.*$//'`; \
  multi_dir=`echo ${ml} | sed -e 's/^[^;]*;//'`; \
  fix_dir=include-fixed${multi_dir}; \
  if [ -f `echo /usr/include | sed -e :a -e 's,[^/]*/\.\.\/,,' -e ta`/limits.h ] ; then \
    cat ../../src-4.7/gcc/limitx.h ../../src-4.7/gcc/glimits.h ../../src-4.7/gcc/limity.h > tmp-xlimits.h; \
  else \
    cat ../../src-4.7/gcc/glimits.h > tmp-xlimits.h; \
  fi; \
  /bin/sh ../../src-4.7/gcc/../mkinstalldirs ${fix_dir}; \
  chmod a+rx ${fix_dir} || true; \
  /bin/sh ../../src-4.7/gcc/../move-if-change \
    tmp-xlimits.h  tmp-limits.h; \
  rm -f ${fix_dir}/limits.h; \
  cp -p tmp-limits.h ${fix_dir}/limits.h; \
  chmod a+r ${fix_dir}/limits.h; \
done
rm -f include-fixed/README
cp ../../src-4.7/gcc/../fixincludes/README-fixinc include-fixed/README
chmod a+r include-fixed/README
echo timestamp > stmp-int-hdrs
rm gfdl.pod cpp.pod gcov.pod gcc.pod fsf-funding.pod
make[6]: Leaving directory `/export/gnu/import/git/gcc-test/bld/gcc'
mkdir -p -- x86_64-unknown-linux-gnu/libgcc
Checking multilib configuration for libgcc...
Configuring stage 1 in x86_64-unknown-linux-gnu/libgcc
configure: creating cache ./config.cache
checking build system type... x86_64-unknown-linux-gnu
checking host system type... x86_64-unknown-linux-gnu
checking for --enable-version-specific-runtime-libs... no
checking for a BSD-compatible install... /bin/install -c
checking for gawk... gawk
checking for x86_64-unknown-linux-gnu-ar... /usr/local/x86_64-unknown-linux-gnu/bin/ar
checking for x86_64-unknown-linux-gnu-lipo... lipo
checking for x86_64-unknown-linux-gnu-nm... /export/gnu/import/git/gcc-test/bld/./gcc/nm
checking for x86_64-unknown-linux-gnu-ranlib... /usr/local/x86_64-unknown-linux-gnu/bin/ranlib
checking for x86_64-unknown-linux-gnu-strip... /usr/local/x86_64-unknown-linux-gnu/bin/strip
checking whether ln -s works... yes
checking for x86_64-unknown-linux-gnu-gcc... /export/gnu/import/git/gcc-test/bld/./gcc/xgcc -B/export/gnu/import/git/gcc-test/bld/./gcc/ -B/usr/local/x86_64-unknown-linux-gnu/bin/ -B/usr/local/x86_64-unknown-linux-gnu/lib/ -isystem /usr/local/x86_64-unknown-linux-gnu/include -isystem /usr/local/x86_64-unknown-linux-gnu/sys-include   
checking for suffix of object files... configure: error: in `/export/gnu/import/git/gcc-test/bld/x86_64-unknown-linux-gnu/libgcc':
configure: error: cannot compute suffix of object files: cannot compile
See `config.log' for more details.
make[5]: *** [configure-stage1-target-libgcc] Error 1
make[5]: Leaving directory `/export/gnu/import/git/gcc-test/bld'
make[4]: *** [stage1-bubble] Error 2
make[4]: Leaving directory `/export/gnu/import/git/gcc-test/bld'
make[3]: *** [bootstrap] Error 2
make[3]: Leaving directory `/export/gnu/import/git/gcc-test/bld'
739.23user 50.98system 2:00.33elapsed 656%CPU (0avgtext+0avgdata 560488maxresident)k
190592inputs+4922320outputs (31major+22323819minor)pagefaults 0swaps
make[2]: *** [bootstrap] Error 2
make[2]: Leaving directory `/export/gnu/import/git/gcc-test'