Ad: https://www.open-mpi.org/community/lists/users/2016/05/29166.php
Yes ! The the PGI stuff in path was the reason ... the OpenMPI build with GNU was taking PGI preprocessor. I unloaded the PGI module (and Intel module to be sure) and the OpenMPI 1.10.1 static build with GNU compilers went well. Miro
