cc -I../libvo -I../../libvo -I/usr/X11R6/include -fno-PIC -march=pentium4 -pipe -D__STDC_LIMIT_MACROS -D_REENTRANT -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -DHAVE_AV_CONFIG_H -I.. -I/var/tmp/portage/media-video/mplayer-1.0_pre8-r1/work/MPlayer-1.0pre8/libavutil -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE -c -o i386/fdct_mmx.o i386/fdct_mmx.c {standard input}: Assembler messages: {standard input}:1587: Error: suffix or operands invalid for `pshufw' make[1]: *** [i386/fdct_mmx.o] Error 1 make[1]: Leaving directory `/var/tmp/portage/media-video/mplayer-1.0_pre8-r1/work/MPlayer-1.0pre8/libavcodec' make: *** [libavcodec/libavcodec.a] Error 2 !!! ERROR: media-video/mplayer-1.0_pre8-r1 failed. Call stack: ebuild.sh, line 1568: Called dyn_compile ebuild.sh, line 937: Called src_compile mplayer-1.0_pre8-r1.ebuild, line 435: Called die # emerge --info Portage 2.1.2_pre3-r7 (default-linux/x86/2006.0, gcc-4.1.1, glibc-2.5-r0, 2.6.18-gentoo-r1 i686) ================================================================= System uname: 2.6.18-gentoo-r1 i686 Intel(R) Pentium(R) 4 CPU 2.00GHz Gentoo Base System version 1.12.5 Last Sync: Mon, 23 Oct 2006 09:30:02 +0000 ccache version 2.4 [enabled] app-admin/eselect-compiler: [Not Present] dev-java/java-config: 1.3.7, 2.0.30 dev-lang/python: 2.4.3-r4 dev-python/pycrypto: 2.0.1-r5 dev-util/ccache: 2.4-r6 dev-util/confcache: [Not Present] sys-apps/sandbox: 1.2.18.1 sys-devel/autoconf: 2.13, 2.60 sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2, 1.10 sys-devel/binutils: 2.17 sys-devel/gcc-config: 1.3.14 sys-devel/libtool: 1.5.22 virtual/os-headers: 2.6.17-r1 ACCEPT_KEYWORDS="x86 ~x86" AUTOCLEAN="yes" CBUILD="i686-pc-linux-gnu" CFLAGS="-march=pentium4 -pipe" CHOST="i686-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/3.5/env /usr/kde/3.5/share/config /usr/kde/3.5/shutdown /usr/share/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/" CONFIG_PROTECT_MASK="/etc/env.d /etc/env.d/java/ /etc/gconf /etc/java-config/vms/ /etc/revdep-rebuild /etc/terminfo" CXXFLAGS="-march=pentium4 -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig ccache distlocks metadata-transfer sandbox sfperms strict" GENTOO_MIRRORS="http://distfiles.gentoo.org http://distro.ibiblio.org/pub/linux/distributions/gentoo" LANG="cs_CZ" LINGUAS="cs" MAKEOPTS="-j2" PKGDIR="/mnt/cdrom" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --delete-after --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="x86 S3TC X a52 aac acpi alsa amr apm asf bcmath bitmap-fonts bl bzip2 bzlib c++ cardbus ccache cdda cddb cdf cdrom chroot cli corba cracklib crypt cscope ctype curl custom-cflags daap dio disablexmb divx dpms dri dvb dvd dvdr dvdread dxr3 edl eds elibc_glibc emboss encode fame ffmpeg flac fltk font-server foomaticdb fortran fping freetype ftp gd gdbm gif glibc-omitfp gmail gmailtimestamps gmedia gnustep gpm gstreamer gtk gtk2 gtkhtml hpn icq imlib immqt-bc inode input_devices_keyboard input_devices_mouse ipv6 isdnlog java javascript jcs jikes jpeg jpeg2k junit kernel_linux kqemu libg++ libwww linguas_cs live lm_sensors mad mikmod mjpeg mmap mmx mmxext mod modelock motif mozcalendar mozilla mp3 mp4 mpeg mplayer mzscheme ncurses netbeans nls no-old-linux nowin nptl nptlonly nsplugin nvidia objc odbc ogg openal opengl pam pascal pcntl pcre pda pdf perl php png pppd python qemu-fast qt3 qt4 quicktime readline real realmedia reflection samba sapdb sdl seamonkey session sftplogging sharedmem shorten slang sndfile spell spl sql sse sse-filters sse2 ssl subversion tcltk tcpd tetex tga theora threads tiff timidity tk truetype truetype-fonts type1-fonts udev unicode usb userland_GNU userlocales v4l v4l2 vcd video_cards_fglrx video_cards_radeon vidix vim vim-pager vim-with-x vlm vorbis win32codecs wma wmp xanim xine xinetd xml xorg xosd xpm xprint xrandr xscreensaver xv xvid xvmc zlib" Unset: CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LC_ALL, LDFLAGS, PORTAGE_RSYNC_EXTRA_OPTS
either disable custom-cflags or/and use saner cflags.