Gcc [trunk revision 178132] failed to bootstrap on i686!

[ia32corei7 at gnu-34 dot sc dot intel dot com (H.J. Lu (ia32 Core 2/i7))]

cd bld; \
 CC="gcc -m32" CXX="g++ -m32" ../src-trunk/configure \
	--with-arch=core2 --with-cpu=core2 --enable-clocale=gnu --with-system-zlib --enable-shared --with-demangler-in-ld --enable-cloog-backend=isl --with-ppl=/opt/gnu --with-cloog=/opt/gnu i686-linux --with-fpmath=sse --enable-languages=c,c++,fortran,java,lto,objc
configure: WARNING: you should use --build, --host, --target
checking build system type... i686-pc-linux-gnu
checking host system type... i686-pc-linux-gnu
checking target system type... i686-pc-linux-gnu
    grep "Error " makelog.178132.trunk.i686.core2 >> makelog.178132.trunk.i686.core2.mail; \
make[6]: *** [errors.o] Error 1
make[5]: *** [all-stage1-gcc] Error 2
make[4]: *** [stage1-bubble] Error 2
make[3]: *** [bootstrap] Error 2
make[2]: *** [bootstrap] Error 2
8765 translated messages.
8765 translated messages.
gcc -m32 -c   -g -fkeep-inline-functions -DIN_GCC   -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Wold-style-definition -Wc++-compat -fno-common  -DHAVE_CONFIG_H -DGENERATOR_FILE -I. -Ibuild -I../../src-trunk/gcc -I../../src-trunk/gcc/build -I../../src-trunk/gcc/../include -I../../src-trunk/gcc/../libcpp/include  -I../../src-trunk/gcc/../libdecnumber -I../../src-trunk/gcc/../libdecnumber/bid -I../libdecnumber -I/opt/gnu/include  -I/opt/gnu/include -DCLOOG_INT_GMP -DCLOOG_ORG  \
-DBASEVER="\"4.7.0\"" -DDATESTAMP="\" 20110827\"" \
-DREVISION="\" [trunk revision 178132]\"" \
-DDEVPHASE="\" (experimental)\"" -DPKGVERSION="\"(GCC) \"" \
-DBUGURL="\"<http://gcc.gnu.org/bugs.html>\"" -o build/version.o ../../src-trunk/gcc/version.c
4267 translated messages, 3006 fuzzy translations, 1492 untranslated messages.
echo "#define BUILDING_GCC_MAJOR `echo 4.7.0 | sed -e 's/^\([0-9]*\).*$/\1/'`" > bversion.h
/bin/sh ../../src-trunk/gcc/../move-if-change tmp-gi.list gtyp-input.list
echo "#define BUILDING_GCC_MINOR `echo 4.7.0 | sed -e 's/^[0-9]*\.\([0-9]*\).*$/\1/'`" >> bversion.h
echo timestamp > s-gtyp-input
TARGET_CPU_DEFAULT="" \
HEADERS="config/i386/i386-protos.h tm-preds.h" DEFINES="" \
/bin/sh ../../src-trunk/gcc/mkconfig.sh tm_p.h
echo "#define BUILDING_GCC_PATCHLEVEL `echo 4.7.0 | sed -e 's/^[0-9]*\.[0-9]*\.\([0-9]*\)$/\1/'`" >> bversion.h
echo "#define BUILDING_GCC_VERSION (BUILDING_GCC_MAJOR * 1000 + BUILDING_GCC_MINOR)" >> bversion.h
echo timestamp > s-bversion
rm -f tmp-all-tree.def
echo '#include "tree.def"' > tmp-all-tree.def
echo 'END_OF_BASE_TREE_CODES' >> tmp-all-tree.def
echo '#include "c-family/c-common.def"' >> tmp-all-tree.def
ltf="../../src-trunk/gcc/ada/gcc-interface/ada-tree.def ../../src-trunk/gcc/cp/cp-tree.def ../../src-trunk/gcc/java/java-tree.def ../../src-trunk/gcc/objc/objc-tree.def"; for f in $ltf; do \
  echo "#include \"$f\""; \
done | sed 's|../../src-trunk/gcc/||' >> tmp-all-tree.def
if test yes = yes \
   || test -n ""; then \
  /bin/sh ../../src-trunk/gcc/genmultilib \
    "" \
    "" \
    "" \
    "" \
    "" \
    "" \
    "" \
    "yes" \
    > tmp-mlib.h; \
else \
  /bin/sh ../../src-trunk/gcc/genmultilib '' '' '' '' '' '' '' no \
    > tmp-mlib.h; \
fi
/bin/sh ../../src-trunk/gcc/../move-if-change tmp-all-tree.def all-tree.def
echo timestamp > s-alltree
lsf="../../src-trunk/gcc/cp/lang-specs.h ../../src-trunk/gcc/lto/lang-specs.h"; for f in $lsf; do \
    echo "#include \"$f\""; \
done | sed 's|../../src-trunk/gcc/||' > tmp-specs.h
/bin/sh ../../src-trunk/gcc/../move-if-change tmp-specs.h specs.h
echo timestamp > s-specs
echo "gcc -m32   -g -fkeep-inline-functions -DIN_GCC   -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Wold-style-definition -Wc++-compat -fno-common  -DHAVE_CONFIG_H " > checksum-options.tmp \
&& ../../src-trunk/gcc/../move-if-change checksum-options.tmp checksum-options
/bin/sh ../../src-trunk/gcc/../move-if-change tmp-mlib.h multilib.h
gawk -f ../../src-trunk/gcc/config/i386/i386-builtin-types.awk ../../src-trunk/gcc/config/i386/i386-builtin-types.def > tmp-bt.inc
echo timestamp > s-mlib
gcc -m32 -c   -g -fkeep-inline-functions -DIN_GCC   -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Wold-style-definition -Wc++-compat -fno-common  -DHAVE_CONFIG_H -I. -I. -I../../src-trunk/gcc -I../../src-trunk/gcc/. -I../../src-trunk/gcc/../include -I../../src-trunk/gcc/../libcpp/include  -I../../src-trunk/gcc/../libdecnumber -I../../src-trunk/gcc/../libdecnumber/bid -I../libdecnumber -I/opt/gnu/include  -I/opt/gnu/include -DCLOOG_INT_GMP -DCLOOG_ORG  ../../src-trunk/gcc/errors.c -o errors.o
rm -f mm_malloc.h
cat ../../src-trunk/gcc/config/i386/pmm_malloc.h > mm_malloc.h
TARGET_CPU_DEFAULT="" \
HEADERS="auto-host.h ansidecl.h" DEFINES="USED_FOR_TARGET " \
/bin/sh ../../src-trunk/gcc/mkconfig.sh tconfig.h
In file included from ../../src-trunk/gcc/errors.c:30:0:
../../src-trunk/gcc/system.h:490:20: error: conflicting types for 'strsignal'
/usr/include/string.h:566:14: note: previous declaration of 'strsignal' was here
/bin/sh ../../src-trunk/gcc/../move-if-change tmp-bt.inc i386-builtin-types.inc
echo timestamp > s-i386-bt
(echo "@set version-GCC 4.7.0"; \
 if [ "experimental" = "experimental" ]; \
 then echo "@set DEVELOPMENT"; \
 else echo "@clear DEVELOPMENT"; \
 fi) > gcc-vers.texiT
echo @set srcdir /export/gnu/import/svn/gcc-test-ia32corei7/bld/gcc/../../src-trunk/gcc >> gcc-vers.texiT
echo timestamp > gcov.pod
echo timestamp > cpp.pod
echo timestamp > gfdl.pod
if [ -n "(GCC) " ]; then \
  echo "@set VERSION_PACKAGE (GCC) " >> gcc-vers.texiT; \
fi
make[6]: *** [errors.o] Error 1
make[6]: *** Waiting for unfinished jobs....
perl ../../src-trunk/gcc/../contrib/texi2pod.pl -DBUGURL="@uref{http://gcc.gnu.org/bugs.html}"; ../../src-trunk/gcc/doc/gcov.texi > gcov.pod
perl ../../src-trunk/gcc/../contrib/texi2pod.pl -DBUGURL="@uref{http://gcc.gnu.org/bugs.html}"; ../../src-trunk/gcc/doc/cpp.texi > cpp.pod
perl ../../src-trunk/gcc/../contrib/texi2pod.pl ../../src-trunk/gcc/doc/include/fdl.texi > gfdl.pod
echo "@set BUGURL @uref{http://gcc.gnu.org/bugs.html}"; >> gcc-vers.texiT; \
mv -f gcc-vers.texiT gcc-vers.texi
/bin/sh ../../src-trunk/gcc/../move-if-change tmp-optionlist optionlist
echo timestamp > s-options
1994 translated messages, 367 fuzzy translations, 6404 untranslated messages.
3911 translated messages, 2776 fuzzy translations, 2078 untranslated messages.
7775 translated messages, 770 fuzzy translations, 220 untranslated messages.
rm gcov.pod cpp.pod gfdl.pod
make[6]: Leaving directory `/export/gnu/import/svn/gcc-test-ia32corei7/bld/gcc'
make[5]: *** [all-stage1-gcc] Error 2
make[5]: Leaving directory `/export/gnu/import/svn/gcc-test-ia32corei7/bld'
make[4]: *** [stage1-bubble] Error 2
make[4]: Leaving directory `/export/gnu/import/svn/gcc-test-ia32corei7/bld'
make[3]: *** [bootstrap] Error 2
make[3]: Leaving directory `/export/gnu/import/svn/gcc-test-ia32corei7/bld'
35.48user 15.48system 0:45.46elapsed 112%CPU (0avgtext+0avgdata 41940maxresident)k
75896inputs+121232outputs (29major+8466395minor)pagefaults 0swaps
make[2]: *** [bootstrap] Error 2
make[2]: Leaving directory `/export/gnu/import/svn/gcc-test-ia32corei7'