bison  -v /var/tmp/portage/sys-devel/gcc-3.3.6-r1/work/gcc-3.3.6/gcc/treelang/parse.y\
        --output=/var/tmp/portage/sys-devel/gcc-3.3.6-r1/work/gcc-3.3.6/gcc/treelang/parse.c --defines
bison: cannot open file `/var/tmp/portage/sys-devel/gcc-3.3.6-r1/work/gcc-3.3.6/gcc/treelang/parse.y--output=/var/tmp/portage/sys-devel/gcc-3.3.6-r1/work/gcc-3.3.6/gcc/treelang/parse.c': No such file or directory
make[2]: *** [/var/tmp/portage/sys-devel/gcc-3.3.6-r1/work/gcc-3.3.6/gcc/treelang/parse.h] Error 1
make[2]: *** Waiting for unfinished jobs....
make[2]: Leaving directory `/var/tmp/portage/sys-devel/gcc-3.3.6-r1/work/build/gcc'
make[1]: *** [stage2_build] Error 2
make[1]: Leaving directory `/var/tmp/portage/sys-devel/gcc-3.3.6-r1/work/build/gcc'
make: *** [bootstrap-lean] Error 2
 * 
 * ERROR: sys-devel/gcc-3.3.6-r1 failed.
 * Call stack:
 *          ebuild.sh, line 1701:  Called dyn_compile
 *          ebuild.sh, line 1039:  Called qa_call 'src_compile'
 *          ebuild.sh, line   44:  Called src_compile
 *          ebuild.sh, line 1383:  Called toolchain_src_compile
 *   toolchain.eclass, line   26:  Called gcc_src_compile
 *   toolchain.eclass, line 1548:  Called gcc_do_make
 *   toolchain.eclass, line 1422:  Called die
 * The specific snippet of code:
 *      emake \
 *              LDFLAGS="${LDFLAGS}" \
 *              STAGE1_CFLAGS="${STAGE1_CFLAGS}" \
 *              LIBPATH="${LIBPATH}" \
 *              BOOT_CFLAGS="${BOOT_CFLAGS}" \
 *              ${GCC_MAKE_TARGET} \
 *              || die "emake failed with ${GCC_MAKE_TARGET}"
 *  The die message:
 *   emake failed with bootstrap-lean
 * 
 * If you need support, post the topmost build error, and the call stack if relevant.
 * A complete build log is located at '/var/tmp/portage/sys-devel/gcc-3.3.6-r1/temp/build.log'.
 * 

 * Messages for package sys-devel/gcc-3.3.6-r1:

 * 
 * ERROR: sys-devel/gcc-3.3.6-r1 failed.
 * Call stack:
 *          ebuild.sh, line 1701:  Called dyn_compile
 *          ebuild.sh, line 1039:  Called qa_call 'src_compile'
 *          ebuild.sh, line   44:  Called src_compile
 *          ebuild.sh, line 1383:  Called toolchain_src_compile
 *   toolchain.eclass, line   26:  Called gcc_src_compile
 *   toolchain.eclass, line 1548:  Called gcc_do_make
 *   toolchain.eclass, line 1422:  Called die
 * The specific snippet of code:
 *      emake \
 *              LDFLAGS="${LDFLAGS}" \
 *              STAGE1_CFLAGS="${STAGE1_CFLAGS}" \
 *              LIBPATH="${LIBPATH}" \
 *              BOOT_CFLAGS="${BOOT_CFLAGS}" \
 *              ${GCC_MAKE_TARGET} \
 *              || die "emake failed with ${GCC_MAKE_TARGET}"
 *  The die message:
 *   emake failed with bootstrap-lean
 * 
 * If you need support, post the topmost build error, and the call stack if relevant.
 * A complete build log is located at '/var/tmp/portage/sys-devel/gcc-3.3.6-r1/temp/build.log'.
 *