The summary says it all.
The customary emerge info:
wolverine ~ # emerge info
Portage 2.0.51.22-r2 (default-linux/x86/2005.0, gcc-3.3.5-20050130,
glibc-2.3.5-r0, 2.6.12-gentoo-r6 i686)
=================================================================
System uname: 2.6.12-gentoo-r6 i686 Intel(R) Pentium(R) 4 CPU 3.00GHz
Gentoo Base System version 1.6.13
dev-lang/python: 2.3.5
sys-apps/sandbox: 1.2.11
sys-devel/autoconf: 2.13, 2.59-r6
sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.5
sys-devel/binutils: 2.15.92.0.2-r10
sys-devel/libtool: 1.5.18-r1
virtual/os-headers: 2.6.11-r2
ACCEPT_KEYWORDS="x86"
AUTOCLEAN="yes"
CBUILD="i686-pc-linux-gnu"
CFLAGS="-march=pentium4 -O2 -pipe"
CHOST="i686-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/kde/2/share/config /usr/kde/3.4/env /usr/kde/3.4/share/config /usr/kde/3.4/shutdown /usr/kde/3/share/config /usr/lib/X11/xkb /usr/share/config /usr/share/texmf/dvipdfm/config/ /usr/share/texmf/dvips/config/ /usr/share/texmf/tex/generic/config/ /usr/share/texmf/tex/platex/config/ /usr/share/texmf/xdvi/ /var/bind /var/qmail/control"
CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d"
CXXFLAGS="-march=pentium4 -O2 -pipe"
DISTDIR="/usr/portage/distfiles"
FEATURES="autoconfig candy distlocks sfperms strict"
GENTOO_MIRRORS="http://gentoo.seren.com/gentoo
ftp://gentoo.mirrors.tds.net/gentoo
ftp://gentoo.netnitco.net/pub/mirrors/gentoo/source/"
MAKEOPTS="-j3"
PKGDIR="/usr/portage/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
SYNC="rsync://rsync.namerica.gentoo.org/gentoo-portage"
USE="x86 X aalib alsa apm arts avi bash-completion bitmap-fonts bzlib cdr
crypt curl dvd dvdr emboss encode esd fam flac fortran gif gpm imlib ipv6 java
jpeg kde kdeenablefinal libwww mad mikmod mmx mmx2 motif mp3 mpeg ncurses
network nptl nptlonly ogg oggvorbis opengl oss pam pdflib perl png python qt
quicktime readline rtc sdl slang spell sse sse2 ssl svga tcpd tetex tiff
truetype truetype-fonts type1-fonts vorbis xine xml2 xmms xv xvid zlib
userland_GNU kernel_linux elibc_glibc"
Unset: ASFLAGS, CTARGET, LANG, LC_ALL, LDFLAGS, LINGUAS, PORTDIR_OVERLAY
