[Paraview] Tiled Display Question GNRD LIB not found

[Christian Wohlschlager]

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Hy 
I'm compiling paraview from cvs when i set BUILD_TILECOMP  to ON i get
the following error:

CMake error: Could not find GMRD header required for tilecomp
CMake error: Could not find GMRD library  required for tilecomp

where can i get this library ( I ve a SGI Prism with Linux ia64)

thank you

christian