Hi! I just got GLUT to compile with a recent GHC (tried both ghc6.4 and a fresh CVS), see: https://sourceforge.net/tracker/?func=detail&atid=108032&aid=1177838&group_id=8032 Anyways, now I did 'gmake' in GLUT/examples. Everything builds fine, but a number of the examples don't work. I.e., in RedBook: 2:39 ~/local/src/build/libraries/GLUT/examples/RedBook$ for f in `find . -type f -perm 755 -print`; do if $f >/dev/null 2>&1; then echo "$f OK"; else echo "$f failed"; fi; done ./Alpha OK ./BezCurve OK ./BezMesh failed ./BezSurf OK ./BlendEqn OK ./Checker OK ./Clip failed ./ColorMat failed ./ColorMatrix OK ./ColorTable OK ./Combiner OK ./Convolution OK ./Cube OK ./CubeMap failed ./DList OK ./Double OK ./DrawF OK ./Feedback OK ./Fog failed ./FogCoord OK ./Font OK ./Hello OK ./Histogram OK ./Image OK ./Light failed ./Lines OK ./MVArray failed ./Material failed ./Minmax OK ./Mipmap OK ./Model OK ./MoveLight failed ./MultiTex OK ./PickDepth OK ./PickSquare OK ./Planet failed ./Polys OK ./Quadric failed ./Robot OK ./Scene failed ./Select OK ./ShadowMap failed ./Smooth OK ./SurfPoints OK ./Surface failed ./Teapots failed ./Tess OK ./TexBind OK ./TessWind OK ./TexGen failed ./TexProx OK ./TexSub OK ./Texture3D OK ./TextureSurf OK ./Trim failed ./UnProject OK ./VArray OK ./Wrap OK This is probably some known bug, but I wanted to check. If so, does anyone know what the parameters are on what can be used, and what will core dump? If it's not a known bug, I'll file a bug report - any other info that would be helpful? Thank you! Tim -- If you're not part of the solution, you're part of the precipitate.