emerges and works fine on amd64
Portage 2.1.2_rc2-r1 (default-linux/amd64/2006.1/desktop, gcc-4.1.1,
glibc-2.4-r4, 2.6.18-ck1-r2 x86_64)
=================================================================
System uname: 2.6.18-ck1-r2 x86_64 AMD Athlon(tm) 64 Processor 3000+
Gentoo Base System version 1.12.6
Last Sync: Mon, 20 Nov 2006 19:20:01 +0000
ccache version 2.3 [enabled]
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
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: 2.6.11-r2
ACCEPT_KEYWORDS="amd64"
AUTOCLEAN="yes"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=k8 -O2 -pipe"
CHOST="x86_64-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="-march=k8 -O2 -pipe"
DISTDIR="/usr/portage/distfiles"
FEATURES="autoconfig buildsyspkg ccache collision-protect distlocks
metadata-transfer multilib-strict parallel-fetch sandbox sfperms strict test"
GENTOO_MIRRORS="ftp://linux.rz.ruhr-uni-bochum.de/gentoo-mirror/
ftp://ftp.uni-erlangen.de/pub/mirrors/gentoo
ftp://ftp.join.uni-muenster.de/pub/linux/distributions/gentoo
ftp://ftp.wh2.tu-dresden.de/pub/mirrors/gentoo
ftp://ftp.join.uni-muenster.de/pub/linux/distributions/gentoo
ftp://ftp-stud.fht-esslingen.de/pub/Mirrors/gentoo/
ftp://ftp.gentoo.mesh-solutions.com/gentoo/
ftp://pandemonium.tiscali.de/pub/gentoo/ "
LANG="en_US.ISO-8859-15"
LC_ALL="en_US.ISO-8859-15"
MAKEOPTS="-j2"
PKGDIR="/usr/portage/packages"
PORTAGE_RSYNC_EXTRA_OPTS="--exclude-from=/etc/portage/rsync_excludes"
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/overlay"
SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage"
USE="amd64 X a52 aac acpi alsa amr audiofile berkdb bitmap-fonts branding bzip2
cairo cdinstall cdr cli cracklib crypt cups dbus divx dlloader dri dvd dvdr
dvdread eds elibc_glibc emboss encode fam ffmpeg firefox fortran gdbm gif glut
gpm gstreamer gtk gtk2 hal iconv imagemagick input_devices_evdev
input_devices_keyboard ipod isdnlog jpeg kernel_linux ldap libg++ lirc
lirc_devices_inputlirc logrotate mad mikmod mng mp3 mpeg ncurses nls nptl
nptlonly offensive ogg opengl pam pcre php png ppds pppd quicktime readline
reflection rtc sdl session socks5 spl ssl svg symlink tcpd test tiff truetype
truetype-fonts type1-fonts udev unicode userland_GNU userlocales v4l v4l2
video_cards_fglrx video_cards_radeon vim-with-x vorbis wmp xine xinerama xml
xorg xv xvid zlib"
Unset: CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LDFLAGS, LINGUAS