$ emerge --info
Portage 2.1-r2 (default-linux/x86/2006.0, gcc-3.4.6, glibc-2.3.6-r4, 2.6.16-gentoo-r9 i686)
=================================================================
System uname: 2.6.16-gentoo-r9 i686 AMD Athlon(tm)
Gentoo Base System version 1.12.4
app-admin/eselect-compiler: [Not Present]
dev-lang/python:     2.4.3-r1
dev-python/pycrypto: 2.0.1-r5
dev-util/ccache:     [Not Present]
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="x86"
AUTOCLEAN="yes"
CBUILD="i686-pc-linux-gnu"
CFLAGS="-march=athlon-xp -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/X11/xkb /usr/share/config"
CONFIG_PROTECT_MASK="/etc/env.d /etc/gconf /etc/revdep-rebuild /etc/splash /etc/terminfo"
CXXFLAGS="-march=athlon-xp -O2 -pipe"
DISTDIR="/distpack/distfiles"
FEATURES="autoconfig buildpkg ccache distlocks metadata-transfer parallel-fetch sandbox sfperms strict userpriv usersandbox"
GENTOO_MIRRORS="http://www.die.unipd.it/pub/Linux/distributions/gentoo-sources/"
LC_ALL="fr_FR.utf8"
LINGUAS="fr fr_FR"
MAKEOPTS="-j2"
PKGDIR="/distpack/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="/var/portage"
PORTDIR_OVERLAY="/usr/local/portage"
SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage"
USE="x86 3dnow X alsa apache2 apm arts avi berkdb bitmap-fonts bzip2 cli crypt cups dlloader dri dvd dvdr dvdread eds emboss encode esd ffmpeg firefox foomaticdb fortran gdbm gif gnome gpm gstreamer gtk gtk2 hal imlib ipv6 isdnlog jpeg kde libg++ libwww mad mikmod mmx motif mozilla mp3 mpeg ncurses nls nptl nsplugin nvidia ogg opengl oss pcre pdflib perl png ppds pppd python qt3 qt4 quicktime readline real reflection samba scanner sdl session spell spl sse ssl stream tcpd truetype truetype-fonts type1-fonts udev usb userlocales vcd vorbis win32codecs wma xml xmms xorg xv xvid zlib elibc_glibc input_devices_keyboard input_devices_mouse input_devices_evdev kernel_linux linguas_fr linguas_fr_FR userland_GNU video_cards_nv video_cards_nvidia"
Unset:  CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LANG, LDFLAGS, PORTAGE_RSYNC_EXTRA_OPTS