root /home/ultraCRUX # gl-select nvidia
* nvidia gl/glx selected
libglx ln: target `/usr/lib/xorg/modules/extensions/libglx.so' is not a directory
libGLcore ln: target `/usr/lib/xorg/modules/extensions/libGLcore.so' is not a directory
libGL ln: target `/usr/lib/libGL.so' is not a directory
ln: target `/usr/lib/libGLcore.so' is not a directory
done.