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Replace deprecated Fortran 'include mpif.h' with 'USE mpi' #4032

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cniethammer opened this issue Feb 20, 2024 · 1 comment
Closed

Replace deprecated Fortran 'include mpif.h' with 'USE mpi' #4032

cniethammer opened this issue Feb 20, 2024 · 1 comment
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Component - Fortran Fortran wrappers Priority - 2. Medium ⏹ It would be nice to have this in the next release Type - Improvement Improvements that don't add a new feature or functionality

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@cniethammer
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Describe the bug
With MPI 4.1 the use of the mpif.h include file has been deprecated. Codes should transition to USE mpi or USE mpi_f08.

Expected behavior
HDF5 code, documentation, and examples should use the Fortran USE mpi or USE mpi_f08 interface instead of the deprecated include mpif.h.

For proposed updates to the HDF sources see PR #4031

Additional context
For the interested see section 19.1.4 of the MPI 4.1 standard on page 793 (https://www.mpi-forum.org/docs/)
@derobins derobins added Priority - 2. Medium ⏹ It would be nice to have this in the next release Component - Fortran Fortran wrappers Type - Improvement Improvements that don't add a new feature or functionality labels Feb 23, 2024
@brtnfld
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brtnfld commented Feb 26, 2024

Complete by PR #4031 merge.

@brtnfld brtnfld closed this as completed Feb 26, 2024
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Component - Fortran Fortran wrappers Priority - 2. Medium ⏹ It would be nice to have this in the next release Type - Improvement Improvements that don't add a new feature or functionality
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@derobins @brtnfld @cniethammer