Been in portage for awhile, no open bugs, shouldn't be any problems.
ppc64 stable
Stable for HPPA.
Compiles, merges, and works on amd64. emerge --info: Portage 2.1.2.9 (default-linux/amd64/2006.1/desktop, gcc-4.1.2, glibc-2.5-r3, 2.6.21-gentoo-r2 x86_64) ================================================================= System uname: 2.6.21-gentoo-r2 x86_64 Intel(R) Core(TM)2 CPU T7200 @ 2.00GHz Gentoo Base System release 1.12.9 Timestamp of tree: Fri, 13 Jul 2007 20:30:01 +0000 distcc 2.18.3 x86_64-pc-linux-gnu (protocols 1 and 2) (default port 3632) [disabled] dev-java/java-config: 1.3.7, 2.0.33-r1 dev-lang/python: 2.4.4-r4 dev-python/pycrypto: 2.0.1-r5 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: 2.17 sys-devel/gcc-config: 1.3.16 sys-devel/libtool: 1.5.23b virtual/os-headers: 2.6.17-r2 ACCEPT_KEYWORDS="amd64" AUTOCLEAN="yes" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-O2 -march=nocona -pipe" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /lib/modules /usr/kde/3.5/env /usr/kde/3.5/share/config /usr/kde/3.5/shutdown /usr/share/X11/xkb /usr/share/config" CONFIG_PROTECT_MASK="/etc/env.d /etc/env.d/java/ /etc/gconf /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/terminfo /etc/texmf/web2c" CXXFLAGS="-O2 -march=nocona -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="ccache collision-protect distlocks metadata-transfer multilib-strict prelink sandbox sfperms strict userpriv usersandbox" GENTOO_MIRRORS="http://mirror.datapipe.net/gentoo http://gentoo.mirrors.tds.net/gentoo" LINGUAS="en en_US" MAKEOPTS="-j3" PKGDIR="/usr/portage/packages" 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 /usr/portage/local/layman/voip /usr/portage/local/layman/toolchain /usr/portage/local/layman/iwlwifi" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="X a52 aac acpi aiglx alsa amd64 arts berkdb bitmap-fonts bluetooth cairo cdda cddb cdinstall cdr cli cracklib crypt cups dbus doc dri dvd dvdr eds emboss encode esd exif fam firefox flac fortran gdbm gif gnome gpm gstreamer gtk gtk2 hal iconv ipv6 isdnlog jack java5 jce jikes jpeg kde ldap libg++ lirc mad midi mikmod mozbranding mp3 mpeg mudflap ncurses nls nptl nptlonly ogg opengl openmp oss pam pcre perl png ppds pppd python qt3 qt4 quicktime readline reflection sdl session spell spl srvdir ssl symlink tcpd theora tiff truetype truetype-fonts type1-fonts unicode vorbis x264 xml xorg xv xvid zlib" ALSA_CARDS="hda-intel" 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" CAMERAS="canon ptp ptp2" ELIBC="glibc" INPUT_DEVICES="evdev keyboard mouse synaptics" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LINGUAS="en en_US" LIRC_DEVICES="streamzap" USERLAND="GNU" VIDEO_CARDS="i810 i945 vesa" Unset: CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LANG, LC_ALL, LDFLAGS, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS
amd64 stable
mips stable.
ppc stable
