[mpich-discuss] missing mpi_f08 module in MPICH 3.2

[Damian Rouson]

According to the MPICH Changes web page, "Fortran 2008 bindings are enabled by default and fully supported” starting in MPICH 3.2. Could someone please point me to documentation on using the bindings?  My installation of MPICH 3.2 doesn’t find the mpi_f08 module described in MPI 3.1 standard.  My draft copy of the standard states the following at the beginning of Section 17.1.2: "An MPI implementation providing a Fortran interface must provide a module named mpi_f08 that can be used in a Fortran program.”  Below is an example of what I’m seeing.

Damian


$ cat use_mpi_f08.f90 
program main
  use mpi_f08
  implicit none
end program

$ mpifort use_mpi_f08.f90 
use_mpi_f08.f90:2:6:

   use mpi_f08
      1
Fatal Error: Can't open module file ‘mpi_f08.mod’ for reading at (1): No such file or directory
compilation terminated.

$ mpiexec --version
HYDRA build details:
    Version:                                 3.2
    Release Date:                            Wed Nov 11 22:06:48 CST 2015
    CC:                              gcc    
    CXX:                             g++    
    F77:                             gfortran   
    F90:                             gfortran   
    Configure options:                       '--disable-option-checking' '--prefix=/opt/mpich/3.2/gnu/7.2.0' 'CC=gcc' 'CXX=g++' 'FC=gfortran' '--cache-file=/dev/null' '--srcdir=/home/rouson/Desktop/Builds/opencoarrays/prerequisites/downloads/mpich-3.2/src/pm/hydra' 'CFLAGS= -O2' 'LDFLAGS=' 'LIBS=-lpthread ' 'CPPFLAGS= -I/home/rouson/Desktop/Builds/opencoarrays/prerequisites/builds/mpich-3.2/src/mpl/include -I/home/rouson/Desktop/Builds/opencoarrays/prerequisites/downloads/mpich-3.2/src/mpl/include -I/home/rouson/Desktop/Builds/opencoarrays/prerequisites/downloads/mpich-3.2/src/openpa/src -I/home/rouson/Desktop/Builds/opencoarrays/prerequisites/builds/mpich-3.2/src/openpa/src -D_REENTRANT -I/home/rouson/Desktop/Builds/opencoarrays/prerequisites/builds/mpich-3.2/src/mpi/romio/include'
    Process Manager:                         pmi
    Launchers available:                     ssh rsh fork slurm ll lsf sge manual persist
    Topology libraries available:            hwloc
    Resource management kernels available:   user slurm ll lsf sge pbs cobalt
    Checkpointing libraries available:       blcr
    Demux engines available:                 poll select




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