$ emerge --info
Portage 2.1.1-r1 (default-linux/x86/2006.1/desktop, gcc-4.1.1, glibc-2.4-r4, 2.6.17-gentoo-r4 i686)
=================================================================
System uname: 2.6.17-gentoo-r4 i686 AMD Sempron(tm) 2200+
Gentoo Base System version 1.12.6
Last Sync: Tue, 14 Nov 2006 08:50:02 +0000
ccache version 2.3 [disabled]
app-admin/eselect-compiler: [Not Present]
dev-java/java-config: 1.3.7, 2.0.30
dev-lang/python:     2.4.3-r4
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, 2.60
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:  2.16.1-r3
sys-devel/gcc-config: 1.3.13-r4
sys-devel/libtool:   1.5.22
virtual/os-headers:  2.6.17-r1
ACCEPT_KEYWORDS="x86"
AUTOCLEAN="yes"
CBUILD="i686-pc-linux-gnu"
CFLAGS="-O2 -march=athlon-xp -pipe"
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/revdep-rebuild /etc/terminfo"
CXXFLAGS="-O2 -march=athlon-xp -pipe"
DISTDIR="/usr/portage/distfiles"
FEATURES="autoconfig buildpkg distlocks metadata-transfer parallel-fetch sandbox sfperms strict userfetch userpriv usersandbox"
GENTOO_MIRRORS="ftp://mirror.ovh.net/gentoo-distfiles/ ftp://ftp.belnet.be/mirror/rsync.gentoo.org/gentoo/"
LANG="fr_FR.UTF-8"
LC_ALL="fr_FR.UTF-8"
LINGUAS="fr"
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://192.168.2.78/gentoo-portage"
USE="x86 3dnow 3dnowext X aac alsa berkdb bitmap-fonts bzip2 cairo cdr cli cracklib crypt curl dbus dlloader dri dts dvd dvdr dvdread elibc_glibc emboss encode esd fam firefox fortran gdbm gif gnome gpm gstreamer gtk hal iconv input_devices_keyboard input_devices_mouse isdnlog java jpeg kde kernel_linux ldap libg++ linguas_fr mad mikmod mmx mmxext mp3 mpeg ncurses nls nptl nptlonly nsplugin ogg opengl oss pam pcre perl png ppds pppd python quicktime readline reflection sdl session spell spl sse ssl tcpd tiff truetype truetype-fonts type1-fonts udev unicode usb userland_GNU userlocales video_cards_sis vorbis win32codecs xml xorg xv xvid zlib"
Unset:  CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LDFLAGS, PORTAGE_RSYNC_EXTRA_OPTS