[petsc-users] error with MPI + ifort

[Satish Balay]

On Wed, 7 Mar 2018, Smith, Barry F. wrote:

> 
>    You have multiple 
> 
>     use xxxx
> 
>     make sure they don't have multiple paths back to MPI. For example if two of them have use petscsys etc
> 
>    Barry

Barry,

Having 'use petscsys' from multiple modules won't cause problems.

If mpi.h gets included - in multiple modules [directly via mpi.h - or indirectly - via petsc includes petsc.h ] - it causes problems.

Satish