emerge --emptytree system 出错

tails

从stage1开始，emerge --emptytree system 出错，使用gcc3.4.4为什么还要编译gcc3.3.6？

make[2]: *** Waiting for unfinished jobs....
/bin/sh /var/tmp/portage/gcc-3.3.6/work/gcc-3.3.6/gcc/move-if-change tmp-gtyp.h gtyp-gen.h
make[2]: *** Waiting for unfinished jobs....
make[2]: Leaving directory `/var/tmp/portage/gcc-3.3.6/work/build/gcc'
make[1]: *** [stage2_build] Error 2
make[1]: Leaving directory `/var/tmp/portage/gcc-3.3.6/work/build/gcc'
make: *** [bootstrap-lean] Error 2

!!! ERROR: sys-devel/gcc-3.3.6 failed.
!!! Function gcc_do_make, Line 1210, Exitcode 2
!!! emake failed with bootstrap-lean
!!! If you need support, post the topmost build error, NOT this status message.


make.conf
CFLAGS="-O2 -march=pentium-m -fomit-frame-pointer -pipe"
CHOST="i686-pc-linux-gnu"
CXXFLAGS="${CFLAGS}"
MAKEOPTS="-j2"

GENTOO_MIRRORS="http://mirror.gentoo.gr.jp/ http://gentoo.gg3.net/"
SYNC="rsync://rsync.gg3.net/gentoo-portage/"

USE="mmx sse nptl nptlonly cjk truetype unicode acpi alsa X kde gtk2 real opengl -gnome"

ACCEPT_KEYWORDS="~x86"


livecd portage # gcc -v
Reading specs from /usr/lib/gcc/i686-pc-linux-gnu/3.4.4/specs
Configured with: /var/tmp/portage/gcc-3.4.4/work/gcc-3.4.4/configure --enable-version-specific-runtime-libs --prefix=/usr --bindir=/usr/i686-pc-linux-gnu/gcc-bin/3.4.4 --includedir=/usr/lib/gcc/i686-pc-linux-gnu/3.4.4/include --datadir=/usr/share/gcc-data/i686-pc-linux-gnu/3.4.4 --mandir=/usr/share/gcc-data/i686-pc-linux-gnu/3.4.4/man --infodir=/usr/share/gcc-data/i686-pc-linux-gnu/3.4.4/info --with-gxx-include-dir=/usr/lib/gcc/i686-pc-linux-gnu/3.4.4/include/g++-v3 --host=i686-pc-linux-gnu --build=i686-pc-linux-gnu --disable-altivec --enable-nls --without-included-gettext --with-system-zlib --disable-checking --disable-werror --disable-libunwind-exceptions --disable-multilib --disable-libgcj --enable-languages=c,c++,f77 --enable-shared --enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu
Thread model: posix
gcc version 3.4.4 (Gentoo 3.4.4, ssp-3.4.4-1.0, pie-8.7.8)
livecd portage #