Something

localhost ~ # emerge --info
Portage 2.1.2.7 (default-linux/x86/2007.0, gcc-4.1.2, glibc-2.5-r2, 2.6.20-gentoo-r8 i686)
=================================================================
System uname: 2.6.20-gentoo-r8 i686 Intel(R) Pentium(R) M processor 1.50GHz
Gentoo Base System release 1.12.9
Timestamp of tree: Tue, 22 May 2007 19:30:01 +0000
ccache version 2.4 [enabled]
dev-java/java-config: 1.3.7, 2.0.31-r5
dev-lang/python:     2.4.4-r4
dev-python/pycrypto: 2.0.1-r5
dev-util/ccache:     2.4-r7
sys-apps/sandbox:    1.2.17
sys-devel/autoconf:  2.61
sys-devel/automake:  1.7.9-r1, 1.9.6-r2, 1.10
sys-devel/binutils:  2.16.1-r3
sys-devel/gcc-config: 1.3.16
sys-devel/libtool:   1.5.22
virtual/os-headers:  2.6.17-r2
ACCEPT_KEYWORDS="x86"
AUTOCLEAN="yes"
CBUILD="i686-pc-linux-gnu"
CFLAGS="-Os -march=pentium-m -pipe -fomit-frame-pointer"
CHOST="i686-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/X11/xkb"
CONFIG_PROTECT_MASK="/etc/env.d /etc/env.d/java/ /etc/gconf /etc/java-config/vms/ /etc/terminfo"
CXXFLAGS="-Os -march=pentium-m -pipe -fomit-frame-pointer"
DISTDIR="/usr/portage/distfiles"
FEATURES="ccache distlocks metadata-transfer parallel-fetch sandbox sfperms strict"
GENTOO_MIRRORS="http://distro.ibiblio.org/pub/linux/distributions/gentoo/               http://www.gtlib.gatech.edu/pub/gentoo          ftp://ftp.ussg.iu.edu/pub/linux/gentoo             http://gentoo.chem.wisc.edu/gentoo/ "
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"
SYNC="rsync://rsync.gentoo.org/gentoo-portage"
USE="7zip X a52 aac aalib acl acpi aixgl alsa amarok asf audiofile avahi bash-completion berkdb bitmap-fonts bzip2 cairo cddb cdr cli cpudetection cracklib crypt css cups d dbus dri dts dv dvd dvdr dvdread encode ffmpeg firefox flac flash foomatic-db fortran ftp gdbm gif gimpprint glitz gnokii gnutls gphoto2 gpm gs hal iconv ieee1394 imap ipod ipv6 irda isdnlog jack java javascript jpeg jpeg2k kde kdeenablefinal kdehiddenvisibility kipi lame libcaca libg++ lm_sensors lzo mad matroska matrox midi mjpeg mmx mng mono mp3 mpeg mplayer mudflap musepack musicbrainz mysql ncurses new-login nls nptl nptlonly nsplugin ogg openal openexr opengl openmp pam pam_console pcmcia pcre pdf perl plugin png povray pppd pulseaudio python qt3 qt4 quicktime rar readline real reflection samba scanner sdl session shorten slp sms sndfile speex spell spl sse sse2 ssl stream svg tcpd theora tiff truetype truetype-fonts type1-fonts udev unicode usb vcd visualization vorbis wavpack wifi win32codecs wmf x264 x86 xcb xcomposite xine xinerama xml xorg xpm xprint xscreensaver xsl xv xvid xvmc zeroconf 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 wacom" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" USERLAND="GNU" VIDEO_CARDS="vesa i810"
Unset:  CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LANG, LC_ALL, LDFLAGS, LINGUAS, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, PORTDIR_OVERLAY