Не собираются ati-drivers

При выполнении команды

emerge ati-drivers 

получаю вот такую ошибку

>>> Compiling source in /var/tmp/portage/x11-drivers/ati-drivers-12.6/work ...
 * Preparing fglrx module
make HOSTCC=i686-pc-linux-gnu-gcc CROSS_COMPILE=i686-pc-linux-gnu- LDFLAGS= GCC_VER_MAJ=4 KVER=3.4.4-gentoo KDIR=/usr/src/linux 'CFLAGS_MODULE+=-DMODULE -DATI -DFGL' CFLAGS_MODULE+=-DCOMPAT_ALLOC_USER_SPACE=arch_compat_alloc_user_space kmod_build 
make -C /usr/src/linux M=/var/tmp/portage/x11-drivers/ati-drivers-12.6/work/common/lib/modules/fglrx/build_mod/2.6.x modules
make[1]: Вход в каталог `/usr/src/linux-3.4.4-gentoo'
  CC [M]  /var/tmp/portage/x11-drivers/ati-drivers-12.6/work/common/lib/modules/fglrx/build_mod/2.6.x/firegl_public.o
/var/tmp/portage/x11-drivers/ati-drivers-12.6/work/common/lib/modules/fglrx/build_mod/2.6.x/firegl_public.c: В функции ‘KCL_fpu_begin’:
/var/tmp/portage/x11-drivers/ati-drivers-12.6/work/common/lib/modules/fglrx/build_mod/2.6.x/firegl_public.c:5833:9: ошибка: неявная декларация функции ‘__save_init_fpu’
make[2]: *** [/var/tmp/portage/x11-drivers/ati-drivers-12.6/work/common/lib/modules/fglrx/build_mod/2.6.x/firegl_public.o] Ошибка 1
make[1]: *** [_module_/var/tmp/portage/x11-drivers/ati-drivers-12.6/work/common/lib/modules/fglrx/build_mod/2.6.x] Ошибка 2
make[1]: Выход из каталога `/usr/src/linux-3.4.4-gentoo'
make: *** [kmod_build] Ошибка 2
 * ERROR: x11-drivers/ati-drivers-12.6 failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=x11-drivers/ati-drivers-12.6'`,
 * the complete build log and the output of `emerge -pqv '=x11-drivers/ati-drivers-12.6'`.
 * The complete build log is located at '/var/tmp/portage/x11-drivers/ati-drivers-12.6/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/x11-drivers/ati-drivers-12.6/temp/environment'.
 * Working directory: '/var/tmp/portage/x11-drivers/ati-drivers-12.6/work/common/lib/modules/fglrx/build_mod/2.6.x'
 * S: '/var/tmp/portage/x11-drivers/ati-drivers-12.6/work'

>>> Failed to emerge x11-drivers/ati-drivers-12.6, Log file:

>>>  '/var/tmp/portage/x11-drivers/ati-drivers-12.6/temp/build.log'

У меня следующее железо: ноутбук hp probook 4720s, видеокарта ati mobilbty radeon hd6370
ядро: 3.4.4-gentoo
содержание make.conf

INPUT_DEVICES="evdev synaptics mouse ps2mouse"
VIDEO_CARDS="radeon"
USE="video_cards_radeon modules sqlite cdda icu UTF-8 cxx sasl"
CHOST="i686-pc-linux-gnu

Подскажите куда копать.