When trying to emerge Vega Strike 0.4.1 on AMD 64, it fails with the following errors: In file included from ../../../src/networking/const.h:25, from ../../../src/cmd/unit_generic.h:51, from communication.h:3, from comm_ai.cpp:3: ../../../src/posh.h:542:4: #error POSH cannot determine target CPU In file included from ../../../src/networking/const.h:25, from ../../../src/cmd/unit_generic.h:51, from docking.cpp:4: ../../../src/posh.h:542:4: #error POSH cannot determine target CPU emerge --info: Portage 2.1_pre3-r1 (default-linux/amd64/2005.0, gcc-3.4.5, glibc-2.3.6-r2, 2.6.14-ck1777 x86_64) ================================================================= System uname: 2.6.14-ck1777 x86_64 AMD Athlon(tm) 64 Processor 3000+ Gentoo Base System version 1.12.0_pre13 [disabled] dev-lang/python: 2.3.5, 2.4.2 sys-apps/sandbox: 1.2.17 sys-devel/autoconf: 2.13, 2.59-r7 sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r1 sys-devel/binutils: 2.16.1-r1 sys-devel/libtool: 1.5.22 virtual/os-headers: 2.6.11-r3 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="/usr/kde/3.4/env /usr/kde/3.4/share/config /usr/kde/3.4/shutdown /usr/kde/3.5/env /usr/kde/3.5/share/config /usr/kde/3.5/shutdown /usr/lib/X11/xkb /usr/share/config" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-march=athlon64 -O2 -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig distlocks sandbox sfperms strict" GENTOO_MIRRORS="ftp://213.186.33.38/gentoo-distfiles/ http://ftp.club-internet.fr/pub/mirrors/gentoo http://mirror.datapipe.net/gentoo http://ftp.du.se/pub/os/gentoo" LINGUAS="nb" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage" USE="X a52 aac aalib acpi alsa amd64 apache2 arts audiofile avi berkdb bitmap-fonts bzip2 cdparanoia cdr crypt cups curl directfb dts dvd dvdr dvdread eds emboss emul-linux-x86 encode ethereal exif expat fam ffmpeg flac foomaticdb fortran gd gdbm gif glut gmp gphoto2 gpm gstreamer hal howl idn imagemagick imlib ipv6 jack java jpeg kde lcms ldap libcaca libwww lirc lua lzw lzw-tiff mad matroska mhash mng motif mp3 mpeg msn musicbrainz nas ncurses nls nptl nptlonly offensive ogg oggvorbis openal opengl pam pcre pdflib perl png python qt readline samba scanner sdl slang sockets speex spell ssl tcltk tcpd theora tiff truetype truetype-fonts type1-fonts udev usb userlocales v4l vcd videos visualization vorbis wifi wxgtk1 xine xml xml2 xpm xv xvid xvideo zlib elibc_glibc kernel_linux linguas_nb userland_GNU" Unset: ASFLAGS, CTARGET, LANG, LC_ALL, LDFLAGS, PORTDIR_OVERLAY
http://www.gentoo.org/proj/en/desktop/games/#doc_chap5_sect11 It does not have any amd64 KEYWORDS. If you want to provide apatch to make it work on amd64, we'll add it, but otherwise, this is INVALID.