Your OpenGL projects will be tested on Salina. Always make sure your projects compile and run on this machine.
It is running RedHat 6.2 with Mesa 3.2-2, you should not have any problem making compatible code for this configuration. Most current distributions come with some form of Mesa, so check your system before wasting your time. Don't worry if the version on your system is newer than the version on Salina, the libraries have not changed significantly from the API perspective.

RPM: Mesa-3.2-2.i386.rpm
DEB: mesag3_3.1-17.deb
TAR: MesaLib-3.2.1.tar.gz

You will also want to install GLUT for some higher level GL calls.

RPM: glut-3.7-3.i386.rpm
DEB: glutg3_3.7-5.deb
TAR: glut-3.7.tar.gz