[petsc-users] misleading "mpich" messages

[Kong, Fande]

On Tue, Apr 25, 2017 at 3:42 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:

>
>    The error message is generated based on the macro MPICH_NUMVERSION
> contained in the mpi.h file.
>
> Apparently MVAPICH also provides this macro, hence PETSc has no way to
> know that it is not MPICH.
>
> If you can locate in the MVAPICH mpi.h include files macros related
> explicitly to MVAPICH then we could possibly use that macro to provide a
> more specific error message.
>


There is also a macro: MVAPICH2_NUMVERSION in mpi.h. We might use it to
have a right message.

Looks possible for me.

Fande,



>
>   Barry
>
>
> > On Apr 25, 2017, at 4:35 PM, Kong, Fande <fande.kong at inl.gov> wrote:
> >
> > Hi,
> >
> > We configured PETSc with a version of MVAPICH, and complied with another
> version of MVAPICH.  Got the error messages:
> >
> > error "PETSc was configured with one MPICH mpi.h version but now appears
> to be compiling using a different MPICH mpi.h version"
> >
> >
> > Why we could not say something about "MVAPICH" (not "MPICH")?
> >
> > Do we just simply consider all MPI implementations (MVAPICH, maybe Intel
> MPI, IBM mpi?) based on MPICH as "MPICH"?
> >
> > Fande,
>
>
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