[решено] www-client/firefox-11.0-r1 не собирается с USE=pgo

Пытается зачем-то создать конфиг гнома (!!!) в хомяке у рута (!!!) и отваливается.
Гнома у меня нет, использую XFCE.

MOZ_PGO_INSTRUMENTED=1 OBJDIR=obj-i686-pc-linux-gnu JARLOG_DIR=obj-i686-pc-linux-gnu/jarlog/en-US python obj-i686-pc-linux-gnu/_profile/pgo/profileserver.py
args: ['/var/tmp/portage/www-client/firefox-11.0-r1/work/mozilla-release/obj-i686-pc-linux-gnu/dist/firefox/firefox-bin', '-no-remote', '-profile', '/var/tmp/portage/www-client/firefox-11.0-r1/work/mozilla-release/obj-i686-pc-linux-gnu/_profile/pgo/pgoprofile/', 'http://localhost:8888/index.html']
INFO | automation.py | Application pid: 16399

(firefox-bin:16399): libgnomevfs-WARNING **: Unable to create ~/.gnome2 directory: Permission denied
Could not create per-user gnome configuration directory `/root/.gnome2/': Permission denied
TEST-UNEXPECTED-FAIL | automation.py | Exited with code 1 during test run
INFO | automation.py | Application ran for: 0:00:03.424543
INFO | automation.py | Reading PID log: /var/tmp/portage/www-client/firefox-11.0-r1/temp/tmpJI57CJpidlog
make: *** [profiledbuild] Error 1
emake failed
 * ERROR: www-client/firefox-11.0-r1 failed (compile phase):
 *   virtualmake: the emake failed.
 * 
 * Call stack:
 *     ebuild.sh, line   85:  Called src_compile
 *   environment, line 6447:  Called Xemake '-f' 'client.mk' 'profiledbuild'
 *   environment, line  669:  Called virtualmake '-f' 'client.mk' 'profiledbuild'
 *   environment, line 7165:  Called die
 * The specific snippet of code:
 *       [[ ${retval} -ne 0 ]] && die "${FUNCNAME}: the ${VIRTUALX_COMMAND} failed.";
 * 
 * If you need support, post the output of 'emerge --info =www-client/firefox-11.0-r1',
 * the complete build log and the output of 'emerge -pqv =www-client/firefox-11.0-r1'.
 * The complete build log is located at '/var/tmp/portage/www-client/firefox-11.0-r1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/www-client/firefox-11.0-r1/temp/environment'.
 * S: '/var/tmp/portage/www-client/firefox-11.0-r1/work/mozilla-release'