They need ~amd64 keyword, they work just fine. Reproducible: Always Steps to Reproduce: 1. 2. 3. Gentoo Base System version 1.12.0_pre9 Portage 2.0.53_rc6 (default-linux/amd64/2005.1, gcc-3.4.4, glibc-2.3.5-r3, 2.6.14-ck1 x86_64) ================================================================= System uname: 2.6.14-ck1 x86_64 AMD Athlon(tm) 64 Processor 2800+ dev-lang/python: 2.3.5, 2.4.2 sys-apps/sandbox: 1.2.13 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 sys-devel/libtool: 1.5.20 virtual/os-headers: 2.6.11-r2 ACCEPT_KEYWORDS="amd64 ~amd64" AUTOCLEAN="yes" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-march=athlon64 -O2 -pipe -fomit-frame-pointer" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/2/share/config /usr/kde/3/share/config /usr/share/X11/xkb /usr/share/config /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-march=athlon64 -O2 -pipe -fomit-frame-pointer" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig distlocks sandbox sfperms strict" GENTOO_MIRRORS="ftp://ftp.du.se/pub/os/gentoo http://ftp.du.se/pub/os/gentoo http://ds.thn.htu.se/linux/gentoo http://mirror.pudas.net/gentoo ftp://mirror.pudas.net/gentoo" LC_ALL="en_US.utf8" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="amd64 X a52 aac alsa berkdb bzip2 chroot custom-cflags dts dvd dvdread ffmpeg flac gif glitz gpm gtk2 imlib imlib2 ipv6 ithreads javascript jpeg linuxthreads-tls matroska mikmod mp3 ncurses nls nptl nptlonly nvidia ogg oggvorbis opengl perl png python readline rtc sdl spell ssl svg tcpd tga theora threads tiff truetype unicode vorbis xgetdefault xinerama xml xml2 xv zlib userland_GNU kernel_linux elibc_glibc" Unset: ASFLAGS, CTARGET, LANG, LDFLAGS, LINGUAS, MAKEOPTS
Done.