OpenGL: in MacOSX

1. To get Started with XCode insert your OS X DVD.
2. install the XCode Tools found on the Leopard DVD under
Optional Installs->Xcode Tools
3. Open a terminal
4. #include instead of for compiling in MacOSX in the file.
5. gcc -Wall -o test test.c -framework OPENGL -framework GLUT

Problems:
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1. If you run ./test and get the following error
GLUT Fatal Error: internal error: NSInternalInconsistencyException, reason: Error (1002) creating CGSWindow

Add the following line at the beginning of the main function
glutInit(&argc, argv);
Reference 1

Further reference for the problem.Reference 2

This post is build on the post.
Reference 3

Run an OpenGL code in MacOSX using XCode. Reference 4

Other useful resource:
1. Alfonse Tutorial 
2. Useful resource suggestions