This is the same bug xmame-0.81.1 ebuild had (see bug 48470). I fixed it by adding the patch /usr/portage/games-emulation/xmame/files/0.81.1-glx-fix.patch to the xmess-0.81.1.ebuild. Reproducible: Always Steps to Reproduce: Portage 2.0.50-r6 (default-x86-1.4, gcc-3.3.2, glibc-2.3.2-r9, 2.4.25-gentoo-r2) ================================================================= System uname: 2.4.25-gentoo-r2 i686 AMD Athlon(tm) XP 2400+ Gentoo Base System version 1.4.9 ccache version 2.3 [enabled] Autoconf: sys-devel/autoconf-2.59-r3 Automake: sys-devel/automake-1.8.3 ACCEPT_KEYWORDS="x86" AUTOCLEAN="yes" CFLAGS="-mcpu=athlon-xp -O3 -pipe -m3dnow -mmmx" CHOST="i686-pc-linux-gnu" COMPILER="gcc3" CONFIG_PROTECT="/etc /usr/X11R6/lib/X11/xkb /usr/kde/2/share/config /usr/kde/3.1/share/config /usr/kde/3.2/share/config /usr/kde/3/share/config /usr/lib/mozilla/defaults/pref /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="-mcpu=athlon-xp -O3 -pipe -m3dnow -mmmx" DISTDIR="/usr/portage/distfiles" FEATURES="autoaddcvs ccache sandbox usersandbox" GENTOO_MIRRORS="http://linux.rz.ruhr-uni-bochum.de/download/gentoo-mirror/ ftp://ftp.easynet.nl/mirror/gentoo/ http://ftp.easynet.nl/mirror/gentoo/ http://194.83.57.2/sites/www.ibiblio.org/gentoo/ http://194.83.57.11/sites/www.ibiblio.org/gentoo/ http://gentoo.oregonstate.edu/ http://www.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.de.gentoo.org/gentoo-portage" USE="3dnow X aalib alsa apache2 apm arts avi berkdb bonobo cdr crypt cups curl dga directfb doc dvd encode esd fbcon foomaticdb gdbm gif gnome gpm gtk gtk2 gtkhtml guile imlib ipv6 java jikes joystick jpeg kde kerberos libg++ libwww mad mbox mikmod mmx motif mozilla mpeg mpi nas ncurses nls oggvorbis opengl oss pam pdflib perl php plotutils png postgres prebuilt python qt quicktime readline ruby ruby18 samba sasl sdl slang snmp socks5 spell sse ssl svga tcltk tcpd tetex tiff truetype usb wmf x86 xml xml2 xmms xv zlib"
Already fixed in CVS. Thanks for the bug report.