gentoo firefox 10.0.4 compile error

#### build log

/usr/bin/python2.7 /var/tmp/portage/www-client/firefox-10.0.4/work/mozilla-esr10/config/pythonpath.py -I../../config /var/tmp/portage/www-client/firefox-10.0.4/work/mozilla-esr10/config/expandlibs_exec.py --uselist --  x86_64-pc-linux-gnu-g++  -fno-rtti -Wall -Wpointer-arith -Woverloaded-virtual -Wsynth -Wno-ctor-dtor-privacy -Wno-non-virtual-dtor -Wcast-align -Wno-invalid-offsetof -Wno-variadic-macros -Werror=return-type -march=core2 -pipe -mno-avx -fno-exceptions -fno-strict-aliasing -std=gnu++0x -pthread -ffunction-sections -fdata-sections -pipe  -DNDEBUG -DTRIMMED -g -Os -freorder-blocks -finline-limit=50 -fomit-frame-pointer -fPIC -shared -Wl,-z,defs -Wl,--gc-sections -Wl,-h,libxul.so -o libxul.so  nsStaticXULComponents.o nsUnicharUtils.o nsBidiUtils.o nsRDFResource.o    -lpthread -Wl,-O1 -Wl,--as-needed   -Wl,-rpath-link,/var/tmp/portage/www-client/firefox-10.0.4/work/mozilla-esr10/obj-x86_64-unknown-linux-gnu/dist/bin -Wl,-rpath-link,/usr/lib    ../../toolkit/xre/libxulapp_s.a  ../../staticlib/components/libnecko.a ../../staticlib/components/libuconv.a ../../staticlib/components/libi18n.a ../../staticlib/components/libchardet.a ../../staticlib/components/libjar50.a ../../staticlib/components/libstartupcache.a ../../staticlib/components/libpref.a ../../staticlib/components/libhtmlpars.a ../../staticlib/components/libimglib2.a ../../staticlib/components/libgkgfx.a ../../staticlib/components/libgklayout.a ../../staticlib/components/libdocshell.a ../../staticlib/components/libembedcomponents.a ../../staticlib/components/libwebbrwsr.a ../../staticlib/components/libnsappshell.a ../../staticlib/components/libtxmgr.a ../../staticlib/components/libcommandlines.a ../../staticlib/components/libtoolkitcomps.a ../../staticlib/components/libpipboot.a ../../staticlib/components/libpipnss.a ../../staticlib/components/libappcomps.a ../../staticlib/components/libjsreflect.a ../../staticlib/components/libcomposer.a ../../staticlib/components/libjetpack_s.a ../../staticlib/components/libtelemetry.a ../../staticlib/components/libjsdebugger.a ../../staticlib/components/libstoragecomps.a ../../staticlib/components/librdf.a ../../staticlib/components/libwindowds.a ../../staticlib/components/libjsctypes.a ../../staticlib/components/libjsperf.a ../../staticlib/components/libgkplugin.a ../../staticlib/components/libunixproxy.a ../../staticlib/components/libjsd.a ../../staticlib/components/libautoconfig.a ../../staticlib/components/libauth.a ../../staticlib/components/libcookie.a ../../staticlib/components/libpermissions.a ../../staticlib/components/libuniversalchardet.a ../../staticlib/components/libfileview.a ../../staticlib/components/libplaces.a ../../staticlib/components/libtkautocomplete.a ../../staticlib/components/libsatchel.a ../../staticlib/components/libpippki.a ../../staticlib/components/libwidget_gtk2.a ../../staticlib/components/libsystem-pref.a ../../staticlib/components/libimgicon.a ../../staticlib/components/libaccessibility.a ../../staticlib/components/libremoteservice.a ../../staticlib/components/libspellchecker.a ../../staticlib/components/libzipwriter.a ../../staticlib/components/libservices-crypto.a ../../staticlib/libjsipc_s.a ../../staticlib/libdomipc_s.a ../../staticlib/libdomplugins_s.a ../../staticlib/libmozipc_s.a ../../staticlib/libmozipdlgen_s.a ../../staticlib/libipcshell_s.a ../../staticlib/libgfx2d.a ../../staticlib/libgfxipc_s.a ../../staticlib/libhal_s.a ../../staticlib/libxpcom_core.a ../../staticlib/libucvutil_s.a ../../staticlib/libchromium_s.a ../../staticlib/libmozreg_s.a ../../staticlib/libgtkxtbin.a ../../staticlib/libthebes.a ../../staticlib/libycbcr.a ../../staticlib/libangle.a  -L../../dist/bin -L../../dist/lib -ljpeg  -lpng  ../../gfx/qcms/libmozqcms.a /var/tmp/portage/www-client/firefox-10.0.4/work/mozilla-esr10/obj-x86_64-unknown-linux-gnu/dist/lib/libjs_static.a -lffi   -Wl,-R/usr/lib64 -L/usr/lib64 -lssl3 -lsmime3 -lnss3 -lnssutil3 -lcrmf -lcairo -lpixman-1 -lfreetype -lfontconfig    -L/usr/lib64 -lXrender -lcairo -lX11   ../../gfx/harfbuzz/src/libmozharfbuzz.a ../../gfx/ots/src/libmozots.a  ../../dist/lib/libmozsqlite3.a  -lz  -lhunspell-1.3   -L/usr/lib -levent -L/usr/lib -lvpx -lasound   -L../../dist/bin -L../../dist/lib  -Wl,-R/usr/lib64 -L/usr/lib64 -lplds4 -lplc4 -lnspr4 -lpthread -ldl ../../dist/lib/libmozalloc.a -ldbus-glib-1 -ldbus-1 -lpthread -lrt -lgobject-2.0 -lglib-2.0   -L/usr/lib64 -lX11  -lXext  -lpangoft2-1.0 -lfreetype -lfontconfig -lpangocairo-1.0 -lpango-1.0 -lcairo -lgobject-2.0 -lglib-2.0   -lgtk-x11-2.0 -latk-1.0 -lgio-2.0 -lpangoft2-1.0 -lfreetype -lfontconfig -lgdk-x11-2.0 -lpangocairo-1.0 -lgdk_pixbuf-2.0 -lpango-1.0 -lcairo -lgobject-2.0 -lglib-2.0   -lXt -lgthread-2.0 -lfreetype -lz -lbz2 -ldl  -lrt
collect2: ld terminated with signal 9 [Killed]
make[5]: *** [libxul.so] Error 1
make[5]: Leaving directory `/var/tmp/portage/www-client/firefox-10.0.4/work/mozilla-esr10/obj-x86_64-unknown-linux-gnu/toolkit/library'
make[4]: *** [libs_tier_platform] Error 2
make[4]: Leaving directory `/var/tmp/portage/www-client/firefox-10.0.4/work/mozilla-esr10/obj-x86_64-unknown-linux-gnu'
make[3]: *** [tier_platform] Error 2
make[3]: Leaving directory `/var/tmp/portage/www-client/firefox-10.0.4/work/mozilla-esr10/obj-x86_64-unknown-linux-gnu'
make[2]: *** [default] Error 2
make[2]: Leaving directory `/var/tmp/portage/www-client/firefox-10.0.4/work/mozilla-esr10/obj-x86_64-unknown-linux-gnu'
make[1]: *** [realbuild] Error 2
make[1]: Leaving directory `/var/tmp/portage/www-client/firefox-10.0.4/work/mozilla-esr10'
make: *** [build] Error 2
emake failed
 * ERROR: www-client/firefox-10.0.4 failed (compile phase):
 *   emake failed
 *
 * Call stack:
 *     ebuild.sh, line  85:  Called src_compile
 *   environment, line 6506:  Called die
 * The specific snippet of code:
 *           CC="$(tc-getCC)" CXX="$(tc-getCXX)" LD="$(tc-getLD)" MOZ_MAKE_FLAGS="${MAKEOPTS}" emake -f client.mk || die "emake failed";
 *
 * If you need support, post the output of 'emerge --info =www-client/firefox-10.0.4',
 * the complete build log and the output of 'emerge -pqv =www-client/firefox-10.0.4'.
 * The complete build log is located at '/var/tmp/portage/www-client/firefox-10.0.4/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/www-client/firefox-10.0.4/temp/environment'.
 * S: '/var/tmp/portage/www-client/firefox-10.0.4/work/mozilla-esr10'

>>> Failed to emerge www-client/firefox-10.0.4, Log file:

>>>  '/var/tmp/portage/www-client/firefox-10.0.4/temp/build.log'

 * Messages for package www-client/firefox-10.0.4:

 * This profile is merely a convenience for people who require a more
 * minimal profile, yet are unable to use hardened due to restrictions in
 * the software being used on the server. If you seek a secure
 * production server profile, please check the Hardened project
 * (http://hardened.gentoo.org)
 * You are enabling official branding. You may not redistribute this build
 * to any users on your network or the internet. Doing so puts yourself into
 * a legal problem with Mozilla Foundation
 * You can disable it by emerging firefox _with_ the bindist USE-flag
 * ERROR: www-client/firefox-10.0.4 failed (compile phase):
 *   emake failed
 *
 * Call stack:
 *     ebuild.sh, line  85:  Called src_compile
 *   environment, line 6506:  Called die
 * The specific snippet of code:
 *           CC="$(tc-getCC)" CXX="$(tc-getCXX)" LD="$(tc-getLD)" MOZ_MAKE_FLAGS="${MAKEOPTS}" emake -f client.mk || die "emake failed";
 *
 * If you need support, post the output of 'emerge --info =www-client/firefox-10.0.4',
 * the complete build log and the output of 'emerge -pqv =www-client/firefox-10.0.4'.
 * The complete build log is located at '/var/tmp/portage/www-client/firefox-10.0.4/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/www-client/firefox-10.0.4/temp/environment'.
 * S: '/var/tmp/portage/www-client/firefox-10.0.4/work/mozilla-esr10'