Drop Support for MPI 2.0 #2438
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Drop Support for MPI 2.0 #2438
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mkrack
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Follow-up to cp2k#2438
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* Remove __MPI_VERSION flag * Fix typo * Fix compilation in serial mode and compilation of PT-Scotch * Fix toolchain
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Follow-up to cp2k#2438
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The MPI-3.0-specification was published 10 years (!) ago. Thus, we may safely assume that all MPI implementations in use support the MPI-3.0-standard. (MPI-4.1 was released last year. Hints to "older" implementations of MPI in CP2K are ca. 7 years old.)
As a follow-up, we may switch from the Fortran 90 bindings to the Fortran 2008 bindings.
One should apply these changes to DBCSR, too.
PT-Scotch and PEXSI could be updated to a later version to drop the mp1-compatability-flag and stick completely to the MPI-3.0-standard.