[Bug bootstrap/44405] New: --enable-build-with-cxx bootstrap fails on i686-pc-linux-gnu (Fedora13)

Thu, 03 Jun 2010 10:37:27 -0700 

I am trying to build mainline GCC (revision 160215) configured
with -enable-build-with-cxx .

I get the following error during bootstrap:

/user/inria/fsf/bldxx-20100603/./prev-gcc/g++
-B/user/inria/fsf/bldxx-20100603/./prev-gcc/
-B/user/inria/cxx/i686-pc-linux-gnu/bin/ -nostdinc++
-I/user/inria/fsf/bldxx-20100603/prev-i686-pc-linux-gnu/libstdc++-v3/include/i686-pc-linux-gnu
-I/user/inria/fsf/bldxx-20100603/prev-i686-pc-linux-gnu/libstdc++-v3/include
-I/user/inria/fsf/gcc/libstdc++-v3/libsupc++
-L/user/inria/fsf/bldxx-20100603/prev-i686-pc-linux-gnu/libstdc++-v3/src/.libs
-c  -g -O2 -fomit-frame-pointer -gtoggle -DIN_GCC   -W -Wall -Wwrite-strings
-Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long
-Wno-variadic-macros -Wno-overlength-strings -Werror -fno-common 
-DHAVE_CONFIG_H -I. -I. -I../../gcc/gcc -I../../gcc/gcc/.
-I../../gcc/gcc/../include -I../../gcc/gcc/../libcpp/include 
-I../../gcc/gcc/../libdecnumber -I../../gcc/gcc/../libdecnumber/bid
-I../libdecnumber  -DCLOOG_PPL_BACKEND  -I/usr/include/libelf 
../../gcc/gcc/simplify-rtx.c -o simplify-rtx.o
/user/inria/fsf/bldxx-20100603/./prev-gcc/g++
-B/user/inria/fsf/bldxx-20100603/./prev-gcc/
-B/user/inria/cxx/i686-pc-linux-gnu/bin/ -nostdinc++
-I/user/inria/fsf/bldxx-20100603/prev-i686-pc-linux-gnu/libstdc++-v3/include/i686-pc-linux-gnu
-I/user/inria/fsf/bldxx-20100603/prev-i686-pc-linux-gnu/libstdc++-v3/include
-I/user/inria/fsf/gcc/libstdc++-v3/libsupc++
-L/user/inria/fsf/bldxx-20100603/prev-i686-pc-linux-gnu/libstdc++-v3/src/.libs
-c  -g -O2 -fomit-frame-pointer -gtoggle -DIN_GCC   -W -Wall -Wwrite-strings
-Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long
-Wno-variadic-macros -Wno-overlength-strings -Werror -fno-common 
-DHAVE_CONFIG_H -I. -I. -I../../gcc/gcc -I../../gcc/gcc/.
-I../../gcc/gcc/../include -I../../gcc/gcc/../libcpp/include 
-I../../gcc/gcc/../libdecnumber -I../../gcc/gcc/../libdecnumber/bid
-I../libdecnumber  -DCLOOG_PPL_BACKEND  -I/usr/include/libelf 
../../gcc/gcc/sparseset.c -o sparseset.o
../../gcc/gcc/simplify-rtx.c: In function ‘rtx_def*
simplify_immed_subreg(machine_mode, rtx, machine_mode, unsigned int)’:
../../gcc/gcc/simplify-rtx.c:4878:11: error: variable ‘ibyte’ set but not used
[-Werror=unused-but-set-variable]
../../gcc/gcc/simplify-rtx.c:4982:16: error: variable ‘ibyte’ set but not used
[-Werror=unused-but-set-variable]
../../gcc/gcc/simplify-rtx.c:5027:11: error: variable ‘ibyte’ set but not used
[-Werror=unused-but-set-variable]
/user/inria/fsf/bldxx-20100603/./prev-gcc/g++
-B/user/inria/fsf/bldxx-20100603/./prev-gcc/
-B/user/inria/cxx/i686-pc-linux-gnu/bin/ -nostdinc++
-I/user/inria/fsf/bldxx-20100603/prev-i686-pc-linux-gnu/libstdc++-v3/include/i686-pc-linux-gnu
-I/user/inria/fsf/bldxx-20100603/prev-i686-pc-linux-gnu/libstdc++-v3/include
-I/user/inria/fsf/gcc/libstdc++-v3/libsupc++
-L/user/inria/fsf/bldxx-20100603/prev-i686-pc-linux-gnu/libstdc++-v3/src/.libs
-c  -g -O2 -fomit-frame-pointer -gtoggle -DIN_GCC   -W -Wall -Wwrite-strings
-Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long
-Wno-variadic-macros -Wno-overlength-strings -Werror -fno-common 
-DHAVE_CONFIG_H -I. -I. -I../../gcc/gcc -I../../gcc/gcc/.
-I../../gcc/gcc/../include -I../../gcc/gcc/../libcpp/include 
-I../../gcc/gcc/../libdecnumber -I../../gcc/gcc/../libdecnumber/bid
-I../libdecnumber  -DCLOOG_PPL_BACKEND  -I/usr/include/libelf 
../../gcc/gcc/sreal.c -o sreal.o
cc1plus: all warnings being treated as errors

make[3]: *** [simplify-rtx.o] Error 1
make[3]: *** Waiting for unfinished jobs....
rm gcj-dbtool.pod jcf-dump.pod jv-convert.pod grmic.pod gcov.pod gcj.pod
gc-analyze.pod gfdl.pod cpp.pod gij.pod gcc.pod gfortran.pod fsf-funding.pod
make[3]: Leaving directory `/user/inria/fsf/bldxx-20100603/gcc'
make[2]: *** [all-stage2-gcc] Error 2
make[2]: Leaving directory `/user/inria/fsf/bldxx-20100603'
make[1]: *** [stage2-bubble] Error 2
make[1]: Leaving directory `/user/inria/fsf/bldxx-20100603'
make: *** [bootstrap] Error 2


-- 
           Summary: --enable-build-with-cxx bootstrap fails on i686-pc-
                    linux-gnu (Fedora13)
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Keywords: build
          Severity: blocker
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: amylaar at gcc dot gnu dot org
  GCC host triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44405

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