Please add "~amd64" to the KEYWORDS for sci-mathematics/snns-4.2-r4 Reproducible: Always Steps to Reproduce: Portage 2.0.51-r15 (default-linux/amd64/2004.3, gcc-3.4.3, glibc-2.3.4.20040808- r1, 2.6.9-gentoo-r14 x86_64) ================================================================= System uname: 2.6.9-gentoo-r14 x86_64 AMD Opteron(tm) Processor 246 Gentoo Base System version 1.4.16 Python: dev-lang/python-2.3.4 [2.3.4 (#1, Jan 26 2005, 13:19:45)] dev-lang/python: 2.3.4 sys-devel/autoconf: 2.13, 2.59-r5 sys-devel/automake: 1.8.5-r2, 1.8.5-r1, 1.6.3, 1.7.9, 1.4_p6, 1.9.4 sys-devel/binutils: 2.15.92.0.2-r1 sys-devel/libtool: 1.5.2-r7 virtual/os-headers: 2.6.8.1-r2 ACCEPT_KEYWORDS="amd64" AUTOCLEAN="yes" CFLAGS="-march=opteron -O2 -pipe" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/X11R6/lib/X11/xkb /usr/kde/2/share/config /usr/kde/3/s hare/config /usr/share/config /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-march=opteron -O2 -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoaddcvs autoconfig ccache distlocks sandbox" GENTOO_MIRRORS="ftp://gentoo.risq.qc.ca http://gentoo.osuosl.org http://www.ibiblio.org/pub/Linux/distributions/gentoo" MAKEOPTS="-j5" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="amd64 X acpi berkdb bitmap-fonts cdr crypt dvdr f77 font-server fortran ftp gd gdbm gif gnome gpm gtk imlib ipv6 jp2 jpeg libwww lzw lzw-tiff mpi multilib ncurses nls opengl pam perl php png postgres python readline samba ssl tcpd tiff truetype truetype-fonts type1-fonts usb userlocales xml xml2 xpm xrandr xv zlib" Unset: ASFLAGS, CBUILD, CTARGET, LDFLAGS, PORTDIR_OVERLAY
i've added ~amd64 to KEYWORDS of -r6, i've also added a patch which is necessary if USE=python