[Bug bootstrap/49737] New: [4.7 Regression] Bootstrap failure at revision 176240 on x86_64-apple-darwin10

["dominiq at lps dot ens.fr" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49737

           Summary: [4.7 Regression] Bootstrap failure at revision 176240
                    on x86_64-apple-darwin10
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: dominiq@lps.ens.fr
                CC: ro@CeBiTec.Uni-Bielefeld.DE
              Host: x86_64-apple-darwin10
            Target: x86_64-apple-darwin10
             Build: x86_64-apple-darwin10


Bootstrap fail on x86_64-apple-darwin10 at revision 176240 with:

...
/opt/gcc/build_w/./gcc/xgcc -B/opt/gcc/build_w/./gcc/
-B/opt/gcc/gcc4.7w/x86_64-apple-darwin10.8.0/bin/
-B/opt/gcc/gcc4.7w/x86_64-apple-darwin10.8.0/lib/ -isystem
/opt/gcc/gcc4.7w/x86_64-apple-darwin10.8.0/include -isystem
/opt/gcc/gcc4.7w/x86_64-apple-darwin10.8.0/sys-include    -g -O2 -O2  -g -O2
-DIN_GCC   -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes
-Wmissing-prototypes -Wold-style-definition  -isystem ./include  -fPIC -pipe -g
-DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector   -I.
-I. -I../.././gcc -I../../../work/libgcc -I../../../work/libgcc/.
-I../../../work/libgcc/../gcc -I../../../work/libgcc/../include  -DHAVE_CC_TLS
-DUSE_EMUTLS -o _gcov_execve.o -MT _gcov_execve.o -MD -MP -MF _gcov_execve.dep
-DL_gcov_execve -c ../../../work/libgcc/libgcov.c
/usr/bin/ranlib: file: libgcc_eh.a(unwind-sjlj.o) has no symbols
ranlib libgcc_eh.a
ranlib: file: libgcc_eh.a(unwind-sjlj.o) has no symbols
# If the gcc directory specifies which extra parts to
# build for this target, and the libgcc configuration also
# specifies, make sure they match.  This can be removed
# when the gcc directory no longer holds libgcc configuration;
# it is useful when migrating a target.
Configuration mismatch!
Extra parts from gcc directory: crtfastmath.o crtprec32.o crtprec64.o
crtprec80.o
Extra parts from libgcc: crt3.o
exit 1
make[5]: *** [libgcc-extra-parts] Error 1
...