Please add "~amd64" to the KEYWORDS for games-simulation/qct Compiles and runs without any problems. Not surprising, seeing as it's a Python app. root@blackbox alym # emerge info Portage 2.0.51-r3 (default-linux/amd64/2004.3, gcc-3.4.3, glibc-2.3.4.20040808-r1, 2.6.7 x86_64) ================================================================= System uname: 2.6.7 x86_64 AMD Athlon(tm) 64 Processor 3200+ Gentoo Base System version 1.4.16 Autoconf: sys-devel/autoconf-2.59-r5 Automake: sys-devel/automake-1.8.5-r1 Binutils: sys-devel/binutils-2.15.90.0.1.1-r3 Headers: sys-kernel/linux26-headers-2.6.6-r1 Libtools: sys-devel/libtool-1.5.2-r5 ACCEPT_KEYWORDS="amd64" AUTOCLEAN="yes" CFLAGS="-mtune=athlon64 -march=athlon64 -O2 -frename-registers -fweb -ffast-math -fomit-frame-pointer -pipe" CHOST="x86_64-pc-linux-gnu" COMPILER="" CONFIG_PROTECT="/etc /usr/X11R6/lib/X11/xkb /usr/kde/2/share/config /usr/kde/3.3/env /usr/kde/3.3/share/config /usr/kde/3.3/shutdown /usr/kde/3/share/config /usr/share/config /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-mtune=athlon64 -march=athlon64 -O2 -frename-registers -fweb -ffast-math -fomit-frame-pointer -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoaddcvs autoconfig ccache distlocks sandbox" GENTOO_MIRRORS="http://gentoo.blueyonder.co.uk" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage" SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage" USE="amd64 X acpi alsa apache2 arts berkdb bitmap-fonts crypt cups dvd encode f77 fam flac ftp gdbm gif gpm gstreamer gtk gtk2 gtkhtml guile imagemagick imlib java jp2 jpeg junit kde libg++ libwww lzw lzw-tiff mad mng motif mozilla mozsvg mpeg msn multilib mysql ncurses nptl nptlonly odbc oggvorbis opengl pam pdflib perl php png postgres python qt quicktime readline ruby samba sdl slang spell spl ssl svg tcltk tcpd theora tiff timidity truetype usb userlocales videos wmf wxwindows xine xml2 xmms xpm xrandr xv xvid zlib"
~amd64