[Paraview] opengl extension manager issue

[John Biddiscombe]

Can anyone tell me why Cmake/ParaView fail to generate the correct 
opengl stuff

/users/biddisco/code/pv/VTK/Rendering/vtkOpenGLExtensionManager.cxx: In 
member function `virtual void (* 
vtkOpenGLExtensionManager::GetProcAddress(const char*))()':
/users/biddisco/code/pv/VTK/Rendering/vtkOpenGLExtensionManager.cxx:267: 
error: `glXGetProcAddressARB' was not declared in this scope
make[2]: *** 
[VTK/Rendering/CMakeFiles/vtkRendering.dir/vtkOpenGLExtensionManager.o] 
Error 1
make[1]: *** [VTK/Rendering/CMakeFiles/vtkRendering.dir/all] Error 2
make: *** [all] Error 2

I have had this problem for ever and I have finally decided I don't 
understand why I get it sometimes, but not others.

if I wipe vtkOpenGLExtensionManagerConfigure and vtkParseOpenGLExt - the 
files are regenerated - but usually wrongly - wopuld one expect the 
results to be differnt if they are generated with/without a display?

Any ideas?

JB

-- 
John Biddiscombe,                            email:biddisco @ cscs.ch
http://www.cscs.ch/about/BJohn.php
CSCS, Swiss National Supercomputing Centre  | Tel:  +41 (91) 610.82.07
Via Cantonale, 6928 Manno, Switzerland      | Fax:  +41 (91) 610.82.82