Description of problem:
MPI_OFFSET_KIND=4 in OpenMPI while it equals 8 in MPICH on 32bit arches. I don't know which is correct, but this difference has caused compilation issues in cp2k-5.1 with MPICH:
Error: Type mismatch in argument 'array_of_displacements' at (1); passed INTEGER(8) to INTEGER(4)
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. grep MPI_OFFSET_KIND= mpich-i386/mpif.h mpich-i386/mpiof.h openmpi-i386/mpif-config.h
mpich-i386/mpif.h: PARAMETER (MPI_OFFSET_KIND=8)
mpich-i386/mpiof.h: PARAMETER (MPI_OFFSET_KIND= 8)
openmpi-i386/mpif-config.h: parameter (MPI_OFFSET_KIND=4)
The value should be the same across MPI implementations.
For now upstream worked around it by using MPI_ADDRESS_KIND which equals 4 in both OpenMPI and MPICH.
This bug appears to have been reported against 'rawhide' during the Fedora 28 development cycle.
Changing version to '28'.
Reported upstream, too.
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