[vtkusers] compile problem on linux Redhat 6.2 with Mesa-3.2-2

[Roland Jesse]

"Marcel van Straten" <streets at mediaport.org> writes:

> If this doesn't solve the problem you maybe have to re-intsall/compile Mesa
> by yourself (and not use the RPM package from RedHat).

That's exactly what one should do as these RedHat folks patched
GL/gl.h and commented out the defines of MESA, MESA_MAJOR_VERSION, and
MESA_MINOR_VERSION. That kind of annoys vtkMesaRenderWindow.cxx.

        Roland