# emerge --info     
Portage 2.1-r1 (default-linux/amd64/2006.0, gcc-3.4.6, glibc-2.3.6-r4, 2.6.16-gentoo-r9 x86_64)
=================================================================
System uname: 2.6.16-gentoo-r9 x86_64 AMD Athlon(tm) 64 X2 Dual Core Processor 3800+
Gentoo Base System version 1.6.15
distcc 2.18.3 x86_64-pc-linux-gnu (protocols 1 and 2) (default port 3632) [disabled]
ccache version 2.3 [enabled]
dev-lang/python:     2.4.2
dev-python/pycrypto: 2.0.1-r5
dev-util/ccache:     2.3
dev-util/confcache:  [Not Present]
sys-apps/sandbox:    1.2.17
sys-devel/autoconf:  2.13, 2.59-r7
sys-devel/automake:  1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2
sys-devel/binutils:  2.16.1-r3
sys-devel/gcc-config: 1.3.13-r3
sys-devel/libtool:   1.5.22
virtual/os-headers:  2.6.11-r2
ACCEPT_KEYWORDS="amd64"
AUTOCLEAN="yes"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=athlon64 -O2 -pipe -msse3"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/kde/3.4/env /usr/kde/3.4/share/config /usr/kde/3.4/shutdown /usr/kde/3.5/env /usr/kde/3.5/share/config /usr/kde/3.5/shutdown 
/usr/lib64/mozilla/defaults/pref /usr/share/config"
CONFIG_PROTECT_MASK="/etc/env.d /etc/gconf /etc/revdep-rebuild /etc/terminfo"
CXXFLAGS="-march=athlon64 -O2 -pipe -msse3"
DISTDIR="/usr/portage/distfiles"
FEATURES="autoconfig ccache distlocks metadata-transfer sandbox sfperms strict"
GENTOO_MIRRORS="http://distfiles.gentoo.org http://distro.ibiblio.org/pub/linux/distributions/gentoo"
LANG="en_US"
MAKEOPTS="-j3"
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'"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
SYNC="rsync://rsync.gentoo.org/gentoo-portage"
USE="amd64 X a52 aac alsa audiofile avi berkdb bitmap-fonts bzip2 cdr cdrom cli cpudetection crypt css cups dlloader dpms dri dts dvd dvdr dvdread emboss encode exif fbcon ffmpeg 
firefox flac foomaticdb fortran gif gimp gphoto2 gpm gstreamer gtk gtk2 ieee1394 imap imlib intel8x0 isdnlog java jpeg libcaca lzw lzw-tiff mad mikmod mozilla mp3 mpeg mplayer 
musepack ncurses nls nptl nsplugin nvidia ogg oggvorbis opengl oss pam pcre pdflib perl pic png ppds pppd python qt3 qt4 quicktime readline reflection scanner sdl session smp spell 
spl ssl tcpd tiff truetype truetype-fonts type1-fonts unicode usb v4l v4l2 vcd vorbis wxgtk1 xmms xorg xpm xv xvid zlib elibc_glibc input_devices_keyboard input_devices_mouse 
input_devices_evdev kernel_linux userland_GNU video_cards_nvidia"
Unset:  CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LC_ALL, LDFLAGS, LINGUAS, PORTAGE_RSYNC_EXTRA_OPTS, PORTDIR_OVERLAY