emerging blas-atlas-3.6.0-r1 fails, because it tries to compile 64bit. specifically "-fomit-frame-pointer -O -mfpmath=387 -m64" "interactive=1 emerge blas-atlas" compiles when selecting to use 32bit libraries. Portage 2.0.54 (default-linux/x86/2005.1, gcc-3.4.4, glibc-2.3.5-r2, 2.6.15-gentoo-r1 i686) ================================================================= System uname: 2.6.15-gentoo-r1 i686 AMD Athlon(tm) 64 Processor 3000+ Gentoo Base System version 1.6.14 dev-lang/python: 2.4.2 sys-apps/sandbox: 1.2.12 sys-devel/autoconf: 2.13, 2.59-r6 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: 1.5.22 virtual/os-headers: 2.6.11-r2 ACCEPT_KEYWORDS="x86" AUTOCLEAN="yes" CBUILD="i686-pc-linux-gnu" CFLAGS="-march=athlon-xp -msse2 -O2 -pipe" CHOST="i686-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/2/share/config /usr/kde/3.5/env /usr/kde/3.5/share/config /usr/kde/3.5/shutdown /usr/kde/3/share/config /usr/lib/X11/xkb /usr/share/config /usr/share/texmf/dvipdfm/config/ /usr/share/texmf/dvips/config/ /usr/share/texmf/tex/generic/config/ /usr/share/texmf/tex/platex/config/ /usr/share/texmf/xdvi/ /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-march=athlon-xp -msse2 -O2 -pipe" DISTDIR="/home/distfiles" FEATURES="autoconfig distlocks sandbox sfperms strict" GENTOO_MIRRORS="ftp://192.168.1.4 http://gentoo.mirrors.tds.net/gentoo " PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" SYNC="rsync://192.168.1.4/gentoo-portage" USE="x86 3dnow X aac alsa arts artswrappersuid audiofile avi berkdb bitmap-fonts bzip2 cdr crypt cups dvd emboss expat fam flac foomaticdb fortran gdbm gif gmp gstreamer gtk gtk2 idn imagemagick imlib java jpeg kde kdeenablefinal lcms libg++ libwww logitech-mouse mad mmx mng motif mp3 mpeg ncurses nls nsplugin ogg oggvorbis opengl oss pam pcre perl pic png python qt quicktime readline samba spell sse sse2 ssl tcpd tetex tiff truetype truetype-fonts type1-fonts udev usb vorbis wifi xine xml2 xmms xprint xv zeroconf zlib userland_GNU kernel_linux elibc_glibc" Unset: ASFLAGS, CTARGET, LANG, LC_ALL, LDFLAGS, LINGUAS, MAKEOPTS, PORTDIR_OVERLAY
Known issue, nothing we could do here. Either do 'interactive=1 emerge blas-atlas' or try some later version.