When I run your “Open GL” lessaon2 (http://nehe.gamedev.net/data/lessons/linux/lesson02.tar.gz), it give that message:
roman@k619:~/gl> ./lesson2
GLUT: Fatal Error in lesson2: visual with necessary capabilities not found.
What does mean?
OS: Lunux SuSE 8.2.
All versions of librariries is recently than it required in your README.
VideoCard on my system is ATI RAGE 128
Thank You.
As far as I can remember, GLUT_RGB is suffisant, and GLUT_RGBA won’t work. but I’m not sure at all. GLUT_ALPHA normally gives you what misses in GLUT_RGB.