[Dune] Strange problem with MPI_Comm ?

[Markus Blatt]

Hi,

On Wed, Mar 25, 2015 at 05:01:12PM +0100, Benedikt Oswald wrote:
> it may be a silly mistake of mine, but I keep getting errors like this,
> cf. below, although I include the mpi helper class and mpi collective
> communication etc.
> 
> Would you have any idea on what is going wrong ?
> 
> /scratch/daint/boswald/gitwork/hades/communicationinterface/globaluniqueindex.hh:101:58:
> error: 'MPI_Comm' was not declared in this scope
>   typedef typename Dune::template CollectiveCommunication<MPI_Comm>
> Collective;
> 

Maybe the MPI compile flags are not added for this particular
executable? Can you see them with "make VERBOSE=1 <target>" ?

Markus

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Dr. Markus Blatt - HPC-Simulation-Software & Services http://www.dr-blatt.de
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