As reported in last comments of bug #75416 , supertuxkart works fine on amd64 Please add "~amd64" to the KEYWORDS for games-action/supertuxkart-0.2 Portage 2.1.2_pre1-r4 (default-linux/amd64/2006.1/desktop, gcc-4.1.1, glibc-2.4-r3, 2.6.18-ck1 x86_64) ================================================================= System uname: 2.6.18-ck1 x86_64 AMD Athlon(tm) 64 Processor 3700+ Gentoo Base System version 1.12.5 Last Sync: Fri, 29 Sep 2006 09:20:02 +0000 ccache version 2.4 [enabled] app-admin/eselect-compiler: [Not Present] 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: 2.4-r6 dev-util/confcache: 0.4.2-r1 sys-apps/sandbox: 1.2.18.1 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: 2.17 sys-devel/gcc-config: 1.3.13-r3 sys-devel/libtool: 1.5.22 virtual/os-headers: 2.6.17-r1 ACCEPT_KEYWORDS="amd64 ~amd64" AUTOCLEAN="yes" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-march=athlon64 -O2 -pipe" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/NX/etc /usr/NX/home /usr/grass60/etc /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/java-config/vms/ /etc/revdep-rebuild /etc/terminfo /etc/texmf/web2c" CXXFLAGS="-march=athlon64 -O2 -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig ccache confcache distlocks fixpackages metadata-transfer parallel-fetch prelink sandbox sfperms strict" GENTOO_MIRRORS="http://ftp.belnet.be/mirror/rsync.gentoo.org/gentoo/ http://ftp.snt.utwente.nl/pub/os/linux/gentoo http://pandemonium.tiscali.de/pub/gentoo/" LANG="fr_FR@euro" LC_ALL="fr_FR" LDFLAGS="-Wl,-O1 -Wl,--as-needed" LINGUAS="fr fr_FR" MAKEOPTS="-j2" 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'" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage" SYNC="rsync://rsync.cafarelli.fr:22/gentoo-portage" USE="amd64 X a52 aac aalib acpi aim alsa audiofile avi bash-completion berkdb bitmap-fonts bonobo browserplugin bzip2 cairo cddb cdr cli crypt cscope cups curl dbus dga dio dlloader dri dts dvb dvd dvdr dvdread elibc_glibc emboss encode exif expat ffmpeg fftw flac foomaticdb fortran ftp gb gcj gd gdbm gif gimp glut gmp gnome gnustep gnutls gphoto2 gpm gstreamer gtk gtk2 gtkhtml iconv idn imagemagick imap imlib input_devices_evdev input_devices_keyboard input_devices_mouse input_devices_synaptics ipv6 isdnlog jabber java jikes joystick jpeg kernel_linux lcms libcaca libg++ linguas_fr linguas_fr_FR live mad matroska mbox mikmod mime mng mono mp3 mpeg msn musicbrainz nas ncurses nls nptl nptlonly nsplugin nvidia objc offensive ogg openal opengl oscar oss pam pcmcia pcre pda pdf pdflib perl php pic png posix ppds pppd python qt3 qt4 quicktime readline recode reflection ruby samba scanner sdl seamonkey session slang speex spell spl sqlite ssl startup-notification svg tcl tcltk tcpd tetex theora threads tiff tk truetype truetype-fonts type1-fonts udev unicode usb userland_GNU v4l vcd video_cards_none video_cards_nvidia vorbis wifi wmf wxwindows x264 xcomposite xface xine xinerama xml xml2 xmms xorg xosd xpm xscreensaver xv xvid yahoo zlib" Unset: CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, PORTAGE_RSYNC_EXTRA_OPTS
Done, thanks for the report :)