Install the OpenGL® 1.0 software and test the configuration by running /usr/openwin/demo/GL/ogl_install_check, which provides the following results:
# ./ogl_install_check Xlib: extension "GLX" missing on display "0.0". Xlib: extension "GLX" missing on display "0.0". Xlib: extension "GLX" missing on display "0.0". can't find visual |