FWIW, I checked out the nvsdk from the CVS server, see http://developer.nvidia.com/docs/IO/...#update_manual
I was then able to cd into OpenGL/src/libs/nv_util/ and do a make without incident. This was on a RedHat 7.2 system using the supplied "2.96" version of gcc. (Now, actaully compiling the demos is another issue.)
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