tntnet 1.6.3 works on my sparc-based machine, so it should have the ~sparc or sparc keyword. Note: I haven't tested the actual Gentoo ebuild but instead have manually compiled and installed the source distribution from the upstream source. Reproducible: Always Steps to Reproduce: n/a Actual Results: n/a Expected Results: n/a # emerge --info Portage 2.1.4.4 (default-linux/sparc/sparc64/2007.0, gcc-4.1.2, glibc-2.6.1-r0, 2.6.23-gentoo-r8 sparc64) ================================================================= System uname: 2.6.23-gentoo-r8 sparc64 sun4u Timestamp of tree: Sun, 22 Jun 2008 22:00:01 +0000 app-shells/bash: 3.2_p33 dev-lang/python: 2.4.4-r13 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: 1.5, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2, 1.10.1 sys-devel/binutils: 2.18-r1 sys-devel/gcc-config: 1.4.0-r4 sys-devel/libtool: 1.5.26 virtual/os-headers: 2.6.24 ACCEPT_KEYWORDS="sparc" CBUILD="sparc-unknown-linux-gnu" CFLAGS="-O2 -mcpu=ultrasparc -pipe" CHOST="sparc-unknown-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/3.5/env /usr/kde/3.5/share/config /usr/kde/3.5/shutdown /usr/share/config" CONFIG_PROTECT_MASK="/etc/env.d /etc/fonts/fonts.conf /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/texmf/web2c /etc/udev/rules.d" CXXFLAGS="-O2 -mcpu=ultrasparc -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="distlocks metadata-transfer sandbox sfperms strict unmerge-orphans userfetch" GENTOO_MIRRORS="http://mirrors.sec.informatik.tu-darmstadt.de/gentoo/ http://gentoo.mirror.solnet.ch http://gentoo.tiscali.nl/" LINGUAS="en de" MAKEOPTS="-j3" PKGDIR="/usr/portage/packages" 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" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="X aac aiglx alsa apache2 audiofile bzip2 cairo cddb cli cracklib crypt ctype cups doc dri encode fam flac fortran ftp gd gdbm gif gpm gstreamer gtk iconv imlib ipv6 isdnlog jpeg jpeg2k kde mad midi mp3 mudflap musepack nls nptl nptlonly ogg opengl openmp pcre pdf png postgres ppds pppd qt3 readline reflection sdl session sparc speex spell spl ssl svg theora tiff unicode vorbis x264 xcomposite xinerama xorg xv xvid zlib" 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 auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias auth_digest" ELIBC="glibc" INPUT_DEVICES="keyboard mouse evdev" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LINGUAS="en de" USERLAND="GNU" VIDEO_CARDS="sunffb fbdev" Unset: CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LANG, LC_ALL, LDFLAGS, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, PORTDIR_OVERLAY
Added ~sparc to: dev-libs/cxxtools-1.4.8 dev-libs/tntnet-1.6.3 Thanks for the report.