I've been using app-portage/euses-2.5.4 quite a while now on sparc and it works for me without problems. Reproducible: Always emerge --info Portage 2.1.4.4 (default-linux/sparc/sparc64/2007.0/server, gcc-4.1.2, glibc-2.6.1-r0, 2.6.23-gentoo-r9 sparc64) ================================================================= System uname: 2.6.23-gentoo-r9 sparc64 sun4u Timestamp of tree: Mon, 17 Mar 2008 07:46:01 +0000 app-shells/bash: 3.2_p17-r1 dev-lang/python: 2.4.4-r9 dev-python/pycrypto: 2.0.1-r6 sys-apps/baselayout: 1.12.11.1 sys-apps/sandbox: 1.2.18.1-r2 sys-devel/autoconf: 2.13, 2.61-r1 sys-devel/automake: 1.7.9-r1, 1.10 sys-devel/binutils: 2.18-r1 sys-devel/gcc-config: 1.4.0-r4 sys-devel/libtool: 1.5.26 virtual/os-headers: 2.6.23-r3 ACCEPT_KEYWORDS="sparc" CBUILD="sparc-unknown-linux-gnu" CFLAGS="-O2 -mcpu=ultrasparc -pipe" CHOST="sparc-unknown-linux-gnu" CONFIG_PROTECT="/etc" CONFIG_PROTECT_MASK="/etc/env.d /etc/gconf /etc/php/apache2-php5/ext-active/ /etc/php/cgi-php5/ext-active/ /etc/php/cli-php5/ext-active/ /etc/revdep-rebuild /etc/terminfo /etc/udev/rules.d" CXXFLAGS="-O2 -mcpu=ultrasparc -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="ccache collision-protect distlocks fixpackages metadata-transfer parallel-fetch sandbox sfperms strict test unmerge-orphans userfetch userpriv usersandbox" GENTOO_MIRRORS="ftp://pandemonium.tiscali.de/pub/gentoo/ ftp://ftp-stud.fht-esslingen.de/pub/Mirrors/gentoo/ ftp://linux.rz.ruhr-uni-bochum.de/gentoo-mirror/ ftp://gd.tuwien.ac.at/opsys/linux/gentoo/ ftp://gentoo.inode.at/source/" LINGUAS="en de" MAKEOPTS="-j3" PKGDIR="/usr/portage/packages" PORTAGE_COMPRESS="" PORTAGE_RSYNC_EXTRA_OPTS="--timeout=500" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage/modified /usr/local/portage/own" SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage" USE="apache2 cli courier cracklib cups dri fortran gd gdbm glibc-omitfp gpm iconv iproute2 isdnlog javascript kerberos ldap logrotate mailwrapper midi mime mudflap ncurses nls nptl nptlonly openmp pam pcre php png posix ppds pppd reflection sasl session snmp sparc spl ssl suhosin syslog tcpd truetype unicode userlocales xml xorg zlib" ALSA_CARDS="cs4231" 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" APACHE2_MODULES="actions alias asis auth_digest authn_anon authn_dbm authz_host autoindex cache cern_meta charset_lite dav dav_fs deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation proxy proxy_connect proxy_ftp proxy_http rewrite setenvif speling status unique_id userdir usertrack vhost_alias" ELIBC="glibc" INPUT_DEVICES="keyboard mouse" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LINGUAS="en de" USERLAND="GNU" VIDEO_CARDS="mach64" Unset: CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LANG, LC_ALL, LDFLAGS, PORTAGE_COMPRESS_FLAGS
Added ~sparc --- this works fine, thanks Dustin.