gcc build log

/usr/armv7a-unknown-linux-gnueabi/bin/ld: error: .libs/dprod_r8.o uses VFP register arguments, .libs/libgfortran.so.3.0.0 does n
ot
/usr/armv7a-unknown-linux-gnueabi/bin/ld: failed to merge target specific data of file .libs/dprod_r8.o
/usr/armv7a-unknown-linux-gnueabi/bin/ld: error: .libs/f2c_specifics.o uses VFP register arguments, .libs/libgfortran.so.3.0.0 d
oes not
/usr/armv7a-unknown-linux-gnueabi/bin/ld: failed to merge target specific data of file .libs/f2c_specifics.o
collect2: error: ld returned 1 exit status
make[3]: *** [libgfortran.la] Error 1
make[3]: Leaving directory `/var/tmp/portage/sys-devel/gcc-4.7.3-r1/work/build/armv7a-unknown-linux-gnueabi/libgfortran'
make[2]: *** [all] Error 2
make[2]: Leaving directory `/var/tmp/portage/sys-devel/gcc-4.7.3-r1/work/build/armv7a-unknown-linux-gnueabi/libgfortran'
make[1]: *** [all-target-libgfortran] Error 2
make[1]: Leaving directory `/var/tmp/portage/sys-devel/gcc-4.7.3-r1/work/build'
make: *** [bootstrap-lean] Error 2
emake failed
 * ERROR: sys-devel/gcc-4.7.3-r1::gentoo failed (compile phase):
 *   emake failed with bootstrap-lean
 *
 * Call stack:
 *     ebuild.sh, line   93:  Called src_compile
 *   environment, line 3692:  Called toolchain_src_compile
 *   environment, line 4411:  Called gcc_do_make
 *   environment, line 1859:  Called die
 * The specific snippet of code:
 *       emake LDFLAGS="${LDFLAGS}" STAGE1_CFLAGS="${STAGE1_CFLAGS}" LIBPATH="${LIBPATH}" BOOT_CFLAGS="${BOOT_CFLAGS}" ${GCC_MAK
E_TARGET} || die "emake failed with ${GCC_MAKE_TARGET}";
 *
 * If you need support, post the output of `emerge --info '=sys-devel/gcc-4.7.3-r1::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=sys-devel/gcc-4.7.3-r1::gentoo'`.
 *
 * Please include /var/tmp/portage/sys-devel/gcc-4.7.3-r1/work/gcc-build-logs.tar.bz2 in your bug report.
 *
 * The complete build log is located at '/var/tmp/portage/sys-devel/gcc-4.7.3-r1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/sys-devel/gcc-4.7.3-r1/temp/environment'.
 * Working directory: '/var/tmp/portage/sys-devel/gcc-4.7.3-r1/work/build'
 * S: '/var/tmp/portage/sys-devel/gcc-4.7.3-r1/work/gcc-4.7.3'