After we had OpenMPI 1.54 working, we moved to OpenMPI 1.55 without incident.
However, neither 1.54 nor 1.55 would link any reference to comm_world from C or C++ until we defined the following three compile defines
After we had OpenMPI 1.54 working, we moved to OpenMPI 1.55 without incident.
However, neither 1.54 nor 1.55 would link any reference to comm_world from C or C++ until we defined the following three compile defines