This ebuild is stable on x86 and ~amd64. It works on amd64 also, should be marked stable.
emerges fine and works Portage 2.1.2.2 (default-linux/amd64/2006.1/desktop, gcc-4.1.1, glibc-2.5-r0, 2.6.20-beyond2 x86_64) ================================================================= System uname: 2.6.20-beyond2 x86_64 AMD Athlon(tm) 64 X2 Dual Core Processor 4600+ Gentoo Base System release 1.12.9 Timestamp of tree: Fri, 13 Apr 2007 13:50:01 +0000 ccache version 2.4 [enabled] dev-java/java-config: 1.3.7, 2.0.31-r5 dev-lang/python: 2.4.3-r4 dev-python/pycrypto: 2.0.1-r5 dev-util/ccache: 2.4-r6 sys-apps/sandbox: 1.2.17 sys-devel/autoconf: 2.13, 2.61 sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2, 1.10 sys-devel/binutils: 2.16.1-r3 sys-devel/gcc-config: 1.3.15-r1 sys-devel/libtool: 1.5.22 virtual/os-headers: 2.6.17-r2 ACCEPT_KEYWORDS="amd64" AUTOCLEAN="yes" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-march=k8 -Os -pipe -msse3 -w" 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/php/apache1-php5/ext-active/ /etc/php/apache2-php5/ext-active/ /etc/php/cgi-php5/ext-active/ /etc/php/cli-php5/ext-active/ /etc/revdep-rebuild /etc/splash /etc/terminfo" CXXFLAGS="-march=k8 -Os -pipe -msse3 -w" DISTDIR="/usr/portage/distfiles" EMERGE_DEFAULT_OPTS="--quiet" FEATURES="buildsyspkg ccache collision-protect distlocks metadata-transfer multilib-strict nodoc noinfo parallel-fetch sandbox sfperms strict test userfetch userpriv usersandbox" 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.UTF-8" LC_ALL="en_US.UTF-8" MAKEOPTS="-j3 -l3 -s" 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 --filter=H_**/files/digest-*" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage/overlay" SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage" USE="X a52 aac acpi alsa amd64 amr audiofile bitmap-fonts bzip2 cairo cdinstall cdr cli cracklib crypt cups dbus dri dts dvd dvdr dvdread emboss encode exif fam firefox fortran gdbm gif gstreamer gtk gtk2 hal iconv jpeg libg++ lirc logrotate mad midi mikmod minimal mp3 mpeg ncurses nptl nptlonly offensive ogg opengl pam pcre php png ppds pppd quicktime readline reflection sdl session smp spl ssl svg symlink tcpd test tiff truetype truetype-fonts type1-fonts unicode v4l vim vorbis x264 xinerama xorg xv xvid zlib" ALSA_CARDS="emu10k1" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mulaw multi null plug rate route share shm softvol" ELIBC="glibc" INPUT_DEVICES="evdev keyboard" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIRC_DEVICES="inputlirc" USERLAND="GNU" VIDEO_CARDS="nvidia" Unset: CTARGET, INSTALL_MASK, LDFLAGS, LINGUAS, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS
Stabilized, thanks