Try to install package mesa-libGL-devel and its dependencies. HTH, Miro On 07/04/2014 08:12 PM, fenglei qi wrote: > Dear everyone, > > I'm trying to install VTK-5.8 in Redhat 6.5. I got an error. It seems > that I didn't install openGL on this system. I wonder which version > should I install for VTK-5.8? Thanks