Check for SYS/GL during library init. Reason is that
[AROS.git] / workbench / libs / mesa / include / 
tree6bb7b2a8b535ff108375edfce0aee2c3cb2139f3
drwxr-xr-x   ..
drwxr-xr-x - EGL
drwxr-xr-x - GL
drwxr-xr-x - GLES
drwxr-xr-x - GLES2
drwxr-xr-x - KHR
drwxr-xr-x - VG