On Tue, Sep 19, 2017 at 11:58 AM, Jeff Hammond <jeff.scie...@gmail.com> wrote:

> Fortran is a legit problem, although if somebody builds a standalone Fortran
> 2015 implementation of the MPI interface, it would be decoupled from the MPI
> library compilation.

Is this even doable without making any assumptions ?
For example, how should the MPI C library handle MPI_INTEGER if the
datatype size if it is not known at build time ?
it is likely to be 4 (most common case), but might be 8 (if the
infamous -i8 option, or its equivalent, is used)

Cheers,

Gilles
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