Check for SYS/GL during library init. Reason is that
[AROS.git] / workbench / libs / png / projects / 
treef9f04a9095aeee131bbff236a07b6c8422e58bf1
drwxr-xr-x   ..
drwxr-xr-x - owatcom
drwxr-xr-x - visualc71
drwxr-xr-x - vstudio