I successfully installed portage prefix following the linux bootstrap guide on IA64 hardware. However, to make it work I had to add 51 packages to $EPREFIX/etc/portage/package.keywords, below is a list of packages that should have the keyword added and the portage overlay for prefix updated. % cat package.keywords sys-libs/ncurses ~* sys-devel/m4 ~* sys-devel/autoconf ~* sys-devel/autoconf-wrapper ~* sys-apps/coreutils ~* sys-apps/findutils ~* app-arch/tar ~* sys-apps/baselayout-prefix ~* dev-lang/perl ~* sys-devel/libperl ~* perl-core/Test-Harness ~* app-admin/perl-cleaner ~* perl-core/PodParser ~* sys-apps/help2man ~* sys-devel/gnuconfig ~* sys-libs/readline ~* dev-libs/openssl ~* sys-apps/diffutils ~* sys-apps/man-pages ~* sys-apps/man ~* sys-apps/groff ~* app-misc/ca-certificates ~* sys-libs/zlib ~* sys-apps/sandbox ~* net-misc/rsync ~* dev-libs/popt ~* app-misc/pax-utils ~* dev-libs/expat ~* sys-apps/mktemp ~* sys-devel/gcc ~* sys-devel/bison ~* sys-apps/grep ~* sys-devel/patch ~* dev-perl/Locale-gettext ~* dev-libs/libpcre ~* dev-util/pkgconfig ~* sys-devel/flex ~* sys-apps/file ~* app-arch/bzip2 ~* app-arch/cpio ~* sys-devel/make ~* sys-apps/which ~* sys-devel/binutils ~* sys-devel/binutils-config ~* sys-devel/gcc-config ~* dev-util/subversion ~* dev-libs/apr-util ~* dev-libs/apr ~* net-misc/neon ~* dev-libs/libxml2 ~* app-admin/eselect ~*
done, thanks!