$ emerge --info
Portage 2.1.2.11 (default-linux/x86/2007.0/desktop, gcc-4.1.1, glibc-2.5-r0, 2.6.20-gentoo i686)
=================================================================
System uname: 2.6.20-gentoo i686 AMD Athlon(tm) XP 3200+
Gentoo Base System release 1.12.9
Timestamp of tree: Sat, 04 Aug 2007 22:30:10 +0000
dev-java/java-config: 1.3.7, 2.0.31-r5
dev-lang/python:     2.3.5-r3, 2.4.3-r4
dev-python/pycrypto: 2.0.1-r5
sys-apps/sandbox:    1.2.18.1
sys-devel/autoconf:  2.13, 2.61
sys-devel/automake:  1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2, 1.10
sys-devel/binutils:  2.16.1-r3
sys-devel/gcc-config: 1.3.15-r1
sys-devel/libtool:   1.5.22
virtual/os-headers:  2.6.20-r2
ACCEPT_KEYWORDS="x86"
AUTOCLEAN="yes"
CBUILD="i686-pc-linux-gnu"
CFLAGS="-O2 -pipe -march=athlon-xp -fomit-frame-pointer"
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/X11/xkb /usr/share/config"
CONFIG_PROTECT_MASK="/etc/env.d /etc/env.d/java/ /etc/gconf /etc/java-config/vms/ /etc/revdep-rebuild /etc/splash /etc/terminfo"
CXXFLAGS="-O2 -pipe -march=athlon-xp -fomit-frame-pointer"
DISTDIR="/usr/portage/distfiles"
FEATURES="distlocks metadata-transfer sandbox sfperms strict"
GENTOO_MIRRORS="http://gentoo.cites.uiuc.edu/pub/gentoo/"
LANG="en_US.UTF-8"
LC_ALL="en_US.UTF-8"
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"
SYNC="rsync://rsync.gentoo.org/gentoo-portage"
USE="3dnow X a52 aac acl acpi alsa berkdb bitmap-fonts cairo cddb cdr cli cracklib crypt css cups dbus divx dri dts dv dvb dvd dvdr dvdread eds emboss encode evo fam ffmpeg firefox flac fortran gdbm gif gmedia gnome gpm gstreamer gtk hal iconv ipv6 isdnlog jack java joystick jpeg kerberos ldap libg++ lm_sensors mad midi mikmod mmx mp3 mpeg mplayer mudflap musepack ncurses nls nptl nptlonly ogg openal opengl openmp oss pam pcre pdf perl png pppd python qt3 qt3support qt4 quicktime readline real realmedia reflection samba sdl session spell spl sse ssl svg tcpd theora tiff truetype truetype-fonts type1-fonts unicode v4l v4l2 vcd vorbis widescreen win32codecs wmp x264 x86 xine xml xorg xscreensaver xv xvid zlib" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1 emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" 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="evdev keyboard mouse joystick" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" USERLAND="GNU" VIDEO_CARDS="vesa vga radeon fglrx"
Unset:  CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LDFLAGS, LINGUAS, MAKEOPTS, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, PORTDIR_OVERLAY