Mine

# These settings were set by the catalyst build script that automatically built this stage
# Please consult /etc/make.conf.example for a more detailed example
CHOST="i686-pc-linux-gnu"
CXXFLAGS="${CFLAGS}"
MAKEOPTS="-j2"
USE="16bit 3dnow 3dnowext X Xaw3d a52 aac aalib alsa amarok amd apache2 \
     apm aqua_theme -arts artworkextra asf avi bash-completion \
     berkdb bitmap-fonts browserplugin cairo cdparanoia cdr cdrom cjk \
     cli crypt dbus devfs26 directfb divx4linux doc dri dvd dvdr \
     dvdread eds elibc_glibc emboss encode -esd fam fame fbcon \
     ffmpeg firefox flac flash fortran freetype gd gecko-sdk gif glitz \
     glut gnome gpm gstreamer gtk gtk2 gzip hal howl imlib ipv6 \
     isdnlog java javascript jpeg kde kdeenablefinal kdexdeltas \
     kernel_linux lame ldap libg++ libwww lm_sensors lzo mad mikmod \
     ming mjpeg mmx mmxext motif mozdevelop mp3 mp4live mpeg mpeg2 \
     mpeg4 mplayer musepack musicbrainz ncurses netboot network \
     nls nptl nsplugin nvidia ogg oggvorbis opengl pam pcre pdflib \
     perl png portaudio pppd python -qt quicktime readline \
     reflection reiserfs sdl session spell spl sse sse-filters ssl svga \
     symlink syslog tcpd theora toolbar transcode truetype \
     truetype-fonts type1-fonts udev unicode usb userland_GNU v4l v4l2 vcd \
     vcdimager video_cards_nvidia videos vidix vorbis win32codecs \
     x86 xcomposite xine xinerama xml xml2 xmms xorg xscreensaver \
     xv xvid xvmc zeroconf zlib bindist x86 ntfs nptlonly svg \
     gpg2-experimental -tiff -jpeg2k gnutls -oss qt4 -elibc_FreeBSD \
     qt3"
FEATURES=""
ACCEPT_KEYWORDS="~x86"
CFLAGS="-mtune=athlon-xp -m3dnow -msse -mmmx -O2 -pipe "
#CONFIG_PROTECT_MASK="/etc/*.* /usr/"
LINGUAS="pt_BR"
SYNC="rsync://rsync.namerica.gentoo.org/gentoo-portage"
EMERGE_DEFAULT_OPTS="--alphabetical"
INPUT_DEVICES="keyboard mouse"
VIDEO_CARDS="nv nvidia vesa"
FEATURES="ccache parallel-fetch"
CCACHE_DIR="/var/tmp/ccache/"
CCACHE_SIZE="2G"
PORTDIR_OVERLAY="/usr/local/overlays/xgl-coffee/portage-xgl"