Complete Build.log: http://infnet.nl/build.log The most important-looking lines: gcc -minline-all-stringops -I. -Os -ffreestanding -fstrength-reduce -fomit-frame-pointer -march=i386 -fno-stack-protector -fno-pie -Wall -W -Wno-format -Wno-unused -DVERSION=\"1.4.4\" -o first32.o -c first32.c first32.c:1:0: error: CPU you selected does not support x86-64 instruction set Reproducible: Always Steps to Reproduce: 1. unmask "net-misc/mknbi x86" in /etc/portage/package.mask 2. emerge -av mknbi Actual Results: The build fails Expected Results: The build succeeds :) emerge --info: Portage 2.1.9.44 (default/linux/amd64/10.0/desktop/kde, gcc-4.5.2, glibc-2.13-r2, 2.6.38-gentoo x86_64) ================================================================= System uname: Linux-2.6.38-gentoo-x86_64-AMD_Phenom-tm-_9550_Quad-Core_Processor-with-gentoo-2.0.2 Timestamp of tree: Sat, 26 Mar 2011 10:45:01 +0000 app-shells/bash: 4.2_p8 dev-java/java-config: 2.1.11-r3 dev-lang/python: 2.7.1-r1, 3.1.3-r1 dev-util/cmake: 2.8.4 sys-apps/baselayout: 2.0.2 sys-apps/openrc: 0.7.0 sys-apps/sandbox: 2.5 sys-devel/autoconf: 2.13, 2.68 sys-devel/automake: 1.9.6-r3, 1.10.3, 1.11.1 sys-devel/binutils: 2.21 sys-devel/gcc: 4.5.2 sys-devel/gcc-config: 1.4.1 sys-devel/libtool: 2.4-r1 sys-devel/make: 3.82 virtual/os-headers: 2.6.38 (sys-kernel/linux-headers) ACCEPT_KEYWORDS="amd64 ~amd64" ACCEPT_LICENSE="*" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-mtune=k8 -O2 -pipe" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/share/config /usr/share/gnupg/qualified.txt" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/env.d/java/ /etc/eselect/postgresql /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/php/apache2-php5.3/ext-active/ /etc/php/cgi-php5.3/ext-active/ /etc/php/cli-php5.3/ext-active/ /etc/revdep-rebuild /etc/sandbox.d /etc/splash /etc/terminfo" CXXFLAGS="-mtune=k8 -O2 -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="assume-digests binpkg-logs distlocks fixlafiles fixpackages news parallel-fetch protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch" FFLAGS="" GENTOO_MIRRORS="http://gentoo.tiscali.nl/" LDFLAGS="-Wl,-O1 -Wl,--as-needed" LINGUAS="nl en" PKGDIR="/usr/portage/packages" PORTAGE_CONFIGROOT="/" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="" SYNC="rsync://rsync16.de.gentoo.org/gentoo-portage" USE="# /PROC/CPUINFO 3dnow 3dnowext 3dnowprefetch EXTRA FLAGS FROM X a52 aac abm acl acpi alsa amd64 apache apache2 apic berkdb bluetooth branding bzip2 cairo cdr clflush cli cmov cmp_legacy consolekit constant_tsc cpudetection cr8_legacy cracklib crypt ctype cups curl cx16 cx8 cxx dbus de declarative dhcp dri dts dvd dvdr emboss emerald encode exif extapic extd_apicid extras fam fbcondecor ffmpeg filter firefox flac font-server fortran fpu fxsr fxsr_opt gd gdbm gdu gif glitz gnutls gpm gstreamer gtk ht httpd ibs iconv id3tag imap ipv6 jack java6 jpeg kde lahf_lm lcms ldap libnotify libv4l2 libv4ls libwww lm mad maildir matroska mca mce mikmod misalignsse mmx mmxext mng modules monitor mp3 mp4 mpeg msr mtrr mudflap multilib mysql ncurses nls nonstop_tsc nptl nptlonly nsplugin nx ogg opengl openmp osvw pae pam pango pat pcre pdf pdpe1gb perl pge png pni policykit popcnt ppds pppd pse pse36 pulseaudio python qt3support qt4 rdesktop-vrdp rdtscp readline rep_good rtsp samba sasl sdl sep session spell sqlite sse sse2 sse4a ssl startup-notification static-libs stream svg svm syscall sysfs theora threads tiff truetype tsc udev unicode unsupported upnp usb v4l v4l2 vboxwebsrv vhosts vlm vme vorbis webinterface wifi wma-fixed x264 xcb xml xorg xulrunner xv xvid zlib" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mmap_emul mulaw multi null plug rate route share shm softvol" APACHE2_MODULES="actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ubx" INPUT_DEVICES="keyboard mouse evdev" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LINGUAS="nl en" PHP_TARGETS="php5-3" RUBY_TARGETS="ruby18" USERLAND="GNU" VIDEO_CARDS="radeon" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account" Unset: CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LANG, LC_ALL, MAKEOPTS, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS
It isn't keyworded for amd64. Maybe that's a clue.
