Something

Portage 2.1.1_pre3-r1 (default-linux/amd64/2006.0, gcc-4.1.1/amd64-vanilla, glibc-2.4-r3, 2.6.17-gentoo-r3 x86_64)
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System uname: 2.6.17-gentoo-r3 x86_64 AMD Athlon(tm) 64 Processor 3500+
Gentoo Base System version 1.12.1
ccache version 2.4 [enabled]
app-admin/eselect-compiler: 2.0.0_rc2-r1
dev-lang/python:     2.4.3-r1
dev-python/pycrypto: 2.0.1-r5
dev-util/ccache:     2.4-r2
dev-util/confcache:  [Not Present]
sys-apps/sandbox:    1.2.18.1
sys-devel/autoconf:  2.13, 2.60
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:  2.17
sys-devel/gcc-config: 2.0.0_rc1
sys-devel/libtool:   1.5.22
virtual/os-headers:  2.6.16
ACCEPT_KEYWORDS="amd64 ~amd64"
AUTOCLEAN="yes"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=k8 -pipe -msse3 -fno-omit-frame-pointer"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/X11/xkb"
CONFIG_PROTECT_MASK="/etc/env.d /etc/eselect/compiler /etc/gconf /etc/revdep-rebuild /etc/terminfo"
CXXFLAGS="-march=k8 -pipe -msse3 -fno-omit-frame-pointer"
DISTDIR="/usr/portage/distfiles"
FEATURES="autoconfig ccache distlocks metadata-transfer sandbox sfperms strict"
GENTOO_MIRRORS="http://gentoo.osuosl.org/ http://open-systems.ufl.edu/mirrors/gentoo"
LDFLAGS="-Wl,-O2 -Wl,--enable-new-dtags -Wl,--sort-common -s"
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'"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/usr/local/portage"
SYNC="rsync://rsync.namerica.gentoo.org/gentoo-portage"
USE="amd64 X aalib acpi alsa apache2 avi bash-completion berkdb bitmap-fonts bzip2 cdr cli crypt cups dlloader dri dv dvd eds emboss emul-linux-x86 encode fbcon ffmpeg flac foomaticdb fortran ftp gif gstreamer gtk gtk2 hal imagemagick imlib isdnlog javascript jpeg lzw lzw-tiff mad memlimit mime mmap mp3 mpeg ncurses nls nptl nptlonly nsplugin ogg oggvorbis openal opengl oss pam pcre pdf pdflib perl php png posix pppd python qmax qt quicktime readline reflection sdl session sockets speex spell spl ssl symlink tcpd textires thunar tiff truetype-fonts type1-fonts unicode usb verbose videos vorbis wmf xine xml xorg xpm xv xvid zlib elibc_glibc input_devices_keyboard input_devices_mouse kernel_linux userland_GNU video_cards_nvidia"
Unset:  CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LANG, LC_ALL, LINGUAS, PORTAGE_RSYNC_EXTRA_OPTS