> Have you built/run any of the examples on Linux yet? Just tried. Got the following error. gcc -c GLUT_c.c GLUT_c.c:3:21: GL/glut.h: No such file or directory Here's what's available on my RedHat 9 machine. % ls /usr/include/GL glext.h GLwDrawA.h GLwMDrawAP.h glxint.h glxtokens.h gl.h GLwDrawAP.h glxext.h glxmd.h osmesa.h glu.h GLwMDrawA.h glx.h glxproto.h