redhat 9 and mpi++.h
Thank you for your replay. I did check for the mpi++.h file and the only one I found, written in 1997 and never upgraded (?) was in mpi2c++-1.0.1-3.i386.rpm (from redhat 8) which, after I installed, and compiled again vtk, I got other errors, regarding some other .h files which are mentioned in this old mpi++.h file but don't exist in redhat 9 anymore. Now I really don't know what else to do. This is obviously a redhat 9 problem and not a vtk problem. What I really don't understand is how come redhat 9 (which, by the way, I bought and not download from the internet!) comes without this mpi++.h file but it is still used in the mpi.h file !?! What else can I do/try?