Hi Gilles, > On 20 Dec 2016, at 05:31, Gilles Gouaillardet <gil...@rist.or.jp> wrote: >
> btw, do you really want 32 bytes complex in Fortran ? that is not for me to decide. I also do not want to change the default build just because of the open-mpi flags. > > if yes, then you should use an other compiler (such as gcc/g++) > > if not, then you can configure with FFLAGS='-fdefault-real-8 > -fdefault-double-8', Thank you for the suggestion. open-mpi configures and compiles find now, but running my program fails: An error occurred in MPI_Comm_size reported by process [2925920257,6] on communicator MPI_COMM_WORLD MPI_ERR_COMM: invalid communicator I will continue to use mpich at this point, as I do not have the time for now to fiddle with the open-mpi configuration. I like open-mpi better, so maybe I will invest more time to get it running next year. Cheers and many thanks for all the suggestions, Jan _______________________________________________ devel mailing list devel@lists.open-mpi.org https://rfd.newmexicoconsortium.org/mailman/listinfo/devel