I'm not sure what other details are needed for this. Reproducible: Always Steps to Reproduce: 1. 2. 3.
Your emerge info usually helps, since we want to make sure it isn't a case where it works for you, but breaks for everybody else... ;]
Portage 2.0.51.22-r2 (default-linux/amd64/2004.3, gcc-3.4.4, glibc-2.3.5-r1, 2.6.12-gentoo-r6 x86_64) ================================================================= System uname: 2.6.12-gentoo-r6 x86_64 AMD Athlon(tm) 64 Processor 3000+ Gentoo Base System version 1.6.13 ccache version 2.4 [disabled] dev-lang/python: 2.3.5, 2.4.1-r1 sys-apps/sandbox: 1.2.11 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 sys-devel/binutils: 2.16.1 sys-devel/libtool: 1.5.18-r1 virtual/os-headers: 2.6.11-r2 ACCEPT_KEYWORDS="amd64 ~amd64" AUTOCLEAN="yes" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-O2 -ftracer -pipe -march=athlon64 -frename-registers" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr//lib/mozilla/defaults/pref /usr/kde/2/share/config /usr/kde/3.4/env /usr/kde/3.4/share/config /usr/kde/3.4/shutdown /usr/kde/3/share/config /usr/lib/X11/xkb /usr/share/config /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/splash /etc/terminfo /etc/texmf/web2c /etc/env.d" CXXFLAGS="-O2 -ftracer -pipe -march=athlon64 -frename-registers" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig distlocks sandbox sfperms strict" GENTOO_MIRRORS="http://distfiles.gentoo.org http://distro.ibiblio.org/pub/Linux/distributions/gentoo" MAKEOPTS="-j2" 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 Xaw3d aac aalib acl alsa apache2 aredmem arts artswrappersuid artworkextra audiofile avi ba-completion bash-completion berkdb bitmap-fonts bonobo bzip2 bzlib c++ cairo cddb cdparanoia cdr cgi cluster crypt css ctype cups curl dba dbus directfb djbfft doc dvd dvdr dvdread dynagraph edl eds emul-linux encode esd ex examples exif faad fam fame fbcon ffmpeg firefox fla flac flatfile foomaticdb foreign-package fortran fpx ftp gd gdbm gif gimpprint glibc-omitfp glitz gmp gphoto2 gpm graphviz gstreamer gtk gtk2 gtkhtml guile hal howl ieee1394 imagemagick imap imlib inifile innodb ipv6 jabber java javamail javascript joystick jpeg jpeg2k jsch junit kde kdgraphics kig-scripting ldap libg++ libgda libwww lirc live lm_sensors logitech-mouse logrotate lufsusermount lzo lzw lzw-tiff mad maildir mbrola mha mikmod mime ming mjpeg mmap mng motif mozcalendar mozdevelop mozilla moznoirc mozsvg mozxmlterm mp3 mpeg mpeg4 mpm-prefork mppe-mppc multilib mysql mythtv nagios-dns nagios-ntp nagios-ping nagios-s nagios-ssh ncurses network nfs nfsv4 nls nntp no-old-linux nptl nptlonly nvidia objc odbc offensive ofx ogg oggvorbis openexr opengl opens pam pcntl pcre pda pdflib perl php physfs pic plotutils png posix postgres povray ppds python qt quicktime radeon rdesktop readline rrdtool rtc samba sdl sensord server simplexml slang sndfile sockets speex spell spl sql sqlite ssl subversion svg symlink sysfs sysvipc tcltk tetex tga theora tidy tiff tokenizer toolbar truetype truetype-fonts type1-fonts unicode ups usb userlocales vcd vhosts vim-with-x vorbis webdav wmf xanim xine xinerama xml xml2 xmlrpc xmms xosd xpm xprint xscreensaver xsl xv xvid xvmc yv12 zlib userland_GNU kernel_linux elibc_glibc" Unset: ASFLAGS, CTARGET, LANG, LC_ALL, LDFLAGS, LINGUAS
it works on my amd64 too. this is my "emerge --info": Portage 2.0.51.22-r2 (default-linux/amd64/2005.0, gcc-3.4.4, glibc-2.3.5-r0, 2.6 .12-gentoo-r6 x86_64) ================================================================= System uname: 2.6.12-gentoo-r6 x86_64 AMD Athlon(tm) 64 Processor 3000+ Gentoo Base System version 1.6.13 distcc 2.18.3 x86_64-pc-linux-gnu (protocols 1 and 2) (default port 3632) [disab led] dev-lang/python: 2.4.1-r1 sys-apps/sandbox: 1.2.11 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, 1.9.5 sys-devel/binutils: 2.15.92.0.2-r10 sys-devel/libtool: 1.5.18-r1 virtual/os-headers: 2.6.11-r2 ACCEPT_KEYWORDS="amd64" AUTOCLEAN="yes" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-O2 -march=athlon64 -pipe" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/2/share/config /usr/kde/3/share/config /usr/lib/X1 1/xkb /usr/share/config /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-O2 -march=athlon64 -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig distlocks sandbox sfperms strict" GENTOO_MIRRORS="http://gentoo.ngi.it" LANG="it_IT@euro" LINGUAS="it" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage" SYNC="rsync://gentoo-rsync.ngi.it/gentoo-portage" USE="amd64 3dnowex X aalib acpi alsa avi bash-completion berkdb bitmap-fonts cai ro cdr crypt cups curl dvd dvdread encode esd fam flac foomaticdb fortran gif gn ome gpm gstreamer gtk gtk2 gtkhtml imagemagick imlib java joystick jpeg lzw lzw- tiff mad mng mp3 mpeg ncurses nls nptl ogg oggvorbis opengl pam pdflib perl png ppds python quicktime readline samba sdl ssl svg tcpd tiff truetype truetype-fon ts type1-fonts usb userlocales vorbis wmf xine xml2 xpm xv xvid zlib linguas_it userland_GNU kernel_linux elibc_glibc" Unset: ASFLAGS, CTARGET, LC_ALL, LDFLAGS
Marked ~amd64. Thanks for reporting.