边走边想

bigner forker # emerge --info
Portage 2.1.3.12 (default-linux/x86/2007.0, gcc-4.1.1, glibc-2.6.1-r0, 2.6.22-gentoo-r8 i686)
=================================================================
System uname: 2.6.22-gentoo-r8 i686 Intel(R) Celeron(R) CPU 2.50GHz
Timestamp of tree: Tue, 09 Oct 2007 16:20:01 +0000
ccache version 2.4 [disabled]
app-shells/bash:     3.2_p17-r1
dev-lang/python:     2.4.3-r4, 2.5.1-r2
dev-python/pycrypto: 2.0.1-r6
dev-util/ccache:     2.4-r7
sys-apps/baselayout: 1.12.10-r5
sys-apps/sandbox:    1.2.18.1
sys-devel/autoconf:  2.13, 2.61-r1
sys-devel/automake:  1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2, 1.10
sys-devel/binutils:  2.18-r1
sys-devel/gcc-config: 1.4.0-r3
sys-devel/libtool:   1.5.24
virtual/os-headers:  2.6.22-r2
ACCEPT_KEYWORDS="x86 ~x86"
CBUILD="i686-pc-linux-gnu"
CFLAGS="-march=i686 -O2 -pipe"
CHOST="i686-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/kde/3.5/env /usr/kde/3.5/share/config /usr/kde/3.5/shutdown /usr/share/config"
CONFIG_PROTECT_MASK="/etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/terminfo /etc/udev/rules.d"
CXXFLAGS="-march=i686 -O2 -pipe"
DISTDIR="/usr/portage/distfiles"
FEATURES="distlocks metadata-transfer sandbox sfperms strict unmerge-orphans userfetch"
GENTOO_MIRRORS="ftp://gentoo.arcticnetwork.ca/pub/gentoo/ http://gentoo.arcticnetwork.ca/ "
LANG="en_US.UTF-8"
LINGUAS="zh_CN"
MAKEOPTS="-j2"
PKGDIR="/usr/portage/packages"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --delete-after --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages --filter=H_**/files/digest-*"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/usr/portage/local/layman/gentoo-china"
SYNC="rsync://rsync.asia.gentoo.org/gentoo-portage"
USE="X acl alsa berkdb bitmap-fonts cli cracklib crypt cups dbus dri gdbm gpm hal iconv immqt isdnlog kdebase midi mudflap ncurses nls nptl nptlonly opengl openmp pam pcre perl pppd python qt3 qt4 readline reflection session spl ssl svg tcpd truetype truetype-fonts type1-fonts unicode x86 xorg" ALSA_CARDS="AC97" 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" ELIBC="glibc" INPUT_DEVICES="keyboard mouse" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LINGUAS="zh_CN" USERLAND="GNU" VIDEO_CARDS="apm ark chips cirrus cyrix dummy fbdev glint i128 i740 i810 imstt mach64 mga neomagic nsc nv r128 radeon rendition s3 s3virge savage siliconmotion sis sisusb tdfx tga trident tseng v4l vesa vga via vmware voodoo"
Unset:  CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LC_ALL, LDFLAGS, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS

bigner forker # gcc-config -l
 [1] i686-pc-linux-gnu-3.3.6
 [2] i686-pc-linux-gnu-4.1.1 *
 [3] i686-pc-linux-gnu-4.2.1
bigner forker # gcc-config 3
 * Switching native-compiler to i686-pc-linux-gnu-4.2.1 ...               [ ok ]
bigner forker # env-update
>>> Regenerating /etc/ld.so.cache...
bigner forker # source /etc/profile
bigner forker # gcc-config -l
 [1] i686-pc-linux-gnu-3.3.6
 [2] i686-pc-linux-gnu-4.1.1 *
 [3] i686-pc-linux-gnu-4.2.1