emerge zope 时找i486-pc-linux-gnu

tanhua

emerge zope 时提示 ：
unable to execute i486-pc-linunable to execute i486-pc-linux-gnu-gcc: No such file or directory
error: command 'i486-pc-linux-gnu-gcc' failed with exit status 1
make: *** [build] Error 1
----------------------------------------------------
Portage 2.2_rc1 (default/linux/x86/2008.0, gcc-4.3.1, glibc-2.8_p20080602-r0, 2.6.25-gentoo-r5 i686)
=================================================================
System uname: Linux-2.6.25-gentoo-r5-i686-Intel-R-_Core-TM-2_CPU_T5500_@_1.66GHz-with-glibc2.0
Timestamp of tree: Sun, 13 Jul 2008 09:45:01 +0000
app-shells/bash:     3.2_p39
dev-java/java-config: 2.1.6
dev-lang/python:     2.4.4-r6, 2.5.2-r5
dev-python/pycrypto: 2.0.1-r6
sys-apps/baselayout: 2.0.0
sys-apps/openrc:     0.2.5
sys-apps/sandbox:    1.2.18.1-r3
sys-devel/autoconf:  2.13, 2.62-r1
sys-devel/automake:  1.7.9-r1, 1.9.6-r2, 1.10.1-r1
sys-devel/binutils:  2.18-r3
sys-devel/gcc-config: 1.4.0-r4
sys-devel/libtool:   2.2.4
virtual/os-headers:  2.6.25-r4
ACCEPT_KEYWORDS="x86 ~x86"
CBUILD="i686-pc-linux-gnu"
CFLAGS="-O2 -march=pentium-m  -msse3 -pipe  -fomit-frame-pointer"
CHOST="i686-pc-linux-gnu"
CONFIG_PROTECT="/etc"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/env.d/java/ /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/terminfo /etc/udev/rules.d"
CXXFLAGS="-O2 -march=pentium-m  -msse3 -pipe  -fomit-frame-pointer"
DISTDIR="/usr/portage/distfiles"
FEATURES="distlocks parallel-fetch preserve-libs sandbox sfperms strict unmerge-orphans userfetch"
GENTOO_MIRRORS="http://61.135.158.199"
LANG="en_US.UTF-8"
LDFLAGS="-Wl,-O1"
MAKEOPTS="-j3"
PKGDIR="/usr/portage/packages"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
SYNC="rsync://61.135.158.199/gentoo-portage"
USE="X acl bash-completion berkdb bzip2 cli cracklib crypt dri fortran gdbm gpm iconv isdnlog jpeg jpeg2k midi mmx mudflap ncurses nls nptl nptlonly opengl openmp pam pcre perl png pppd python readline reflection session spl sqlite sse sse2 ssl ssse3 tcpd unicode x86 xorg xv zlib" ALSA_CARDS="hda-intel" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mulaw multi null plug rate route share shm softvol" APACHE2_MODULES="actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" ELIBC="glibc" INPUT_DEVICES="keyboard mouse synaptics" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" USERLAND="GNU" VIDEO_CARDS="radeon vesa"
Unset:  CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LC_ALL, LINGUAS, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, PORTDIR_OVERLAY