don 40 ompi/include/mpif-sentinels.h ! don't need another interface for MPI_COMM_SPAWN. don 11 ompi/mpi/fortran/base/conversion-fn-null-int-interface.h ! mpif-common.h. However, if we don't declare them here, compilers will add don 84 ompi/mpi/fortran/use-mpi-f08/bindings/mpi-f-interfaces-bind.h ! So in this case, we actually don't "use mpi" at all -- we just add