In building a binary system, the symlinks created by eselect-opengl post-installation of nvidia-drivers are wrong. # PORTAGE_CONFIGROOT=/var/build emerge -OK nvidia-drivers The ROOT paramater in /var/build/etc/make.conf is set to /var/build. Eselect-opengl is prepending that to the symlink though. # ls -l /var/build/usr/lib64/xorg/modules/extensions/libglx.so lrwxrwxrwx 1 root root 58 2009-10-30 16:34 /var/build/usr/lib64/xorg/modules/extensions/libglx.so -> /var/build//usr/lib64/opengl/xorg-x11/extensions/libglx.so
Fixed with 1.0.9 eselect-opengl