Seeing this as well. Here's my emerge info:
Portage 2.1_pre3-r1 (default-linux/amd64/2005.1, gcc-3.4.4, glibc-2.3.5-r3,
2.6.14-gentoo-r1 x86_64)
=================================================================
System uname: 2.6.14-gentoo-r1 x86_64 AMD Athlon(tm) 64 Processor 3500+
Gentoo Base System version 1.12.0_pre13
dev-lang/python: 2.3.5, 2.4.2
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-r1
sys-devel/binutils: 2.16.1-r1
sys-devel/libtool: 1.5.22
virtual/os-headers: 2.6.11-r3
ACCEPT_KEYWORDS="amd64 ~amd64"
AUTOCLEAN="yes"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=athlon64 -O2 -pipe -fomit-frame-pointer"
CHOST="x86_64-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/3.5/env
/usr/kde/3.5/share/config /usr/kde/3.5/shutdown /usr/kde/3/share/config
/usr/lib/X11/xkb /usr/share/config /var/qmail/control"
CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d"
CXXFLAGS="-march=athlon64 -O2 -pipe -fomit-frame-pointer"
DISTDIR="/usr/portage/distfiles"
FEATURES="autoconfig distlocks sandbox sfperms strict"
GENTOO_MIRRORS="http://distfiles.gentoo.org
http://distro.ibiblio.org/pub/linux/distributions/gentoo"
MAKEOPTS="-j2"
PKGDIR="/usr/portage/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/usr/local/portage"
SYNC="rsync://rsync.gentoo.org/gentoo-portage"
USE="amd64 X Xaw3d a52 aac alsa arts audiofile avi bash-completion berkdb
bitmap-fonts bzip2 calendar crypt cscope ctype cups curl dga divx4linux dri dv
dvb dvd eds emacs emboss encode exif expat fam ffmpeg flac foomaticdb fortran
ftp gdbm gif glut gmp gnome gpm gstreamer gtk gtk2 idn imagemagick imlib innodb
ipv6 java javascript jpeg junit kde lcms lm_sensors lzw lzw-tiff mad mmap mng
motif mozsvg mp3 mpeg msn mysql mysqli ncurses nis nls nptl nptlonly nvidia
offensive ogg opengl oss pam pcntl pcre pdflib perl png posix python qt
quicktime readline recode ruby samba sdl server shared sharedmem snmp sockets
spell ssl svg tcltk tcpd threads tiff truetype truetype-fonts type1-fonts udev
unicode usb userlocales v4l videos xinerama xml2 xmms xpm xv xvid zlib
elibc_glibc kernel_linux userland_GNU"
Unset: ASFLAGS, CTARGET, LANG, LC_ALL, LDFLAGS, LINGUAS
