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: [...] /builddir/build/BUILD/cp2k-5.1/src/mpiwrap/message_passing.F:3588:70: type_descriptor%type_handle, ierr) 1 Error: Type mismatch in argument 'array_of_displacements' at (1); passed INTEGER(8) to INTEGER(4) [...] Version-Release number of selected component (if applicable): openmpi-2.1.1-5.fc28.i686 mpich-3.2.1-2.fc28.i686 How reproducible: Always Steps to Reproduce: 1. grep MPI_OFFSET_KIND= mpich-i386/mpif.h mpich-i386/mpiof.h openmpi-i386/mpif-config.h Actual results: 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) Expected results: The value should be the same across MPI implementations. Additional info: https://lists.cp2k.org/private/cp2k-dev/2018-January/000856.html
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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