[bug#39588] gnu: Add mpich, scalapack-mpich, mumps-mpich, pt-scotch-mpich, python-mpi4py-mpich

[Ludovic Courtès]

Hi,

zimoun <zimon.toutoune@gmail.com> skribis:

> Reliving the openmpi->mpich topic of #39588 [1].
>
> 1: <http://issues.guix.gnu.org/issue/39588>

Thanks for staying on top of things!  :-)

> On Thu, 20 Feb 2020 at 10:08, Ludovic Courtès <ludo@gnu.org> wrote:
>
>>> Well, for these particular patches, the variants are ok.
>>> But we should think about how to ease the variant generation of all the 
>>> chain.
>>
>> Well again there are things like ‘package-input-rewriting’ that could
>> help: we could define a ‘package-with-mpich’ procedure.
>
> Now the “#:deep?” exists, does it make sense to implement this
> “package-with-mpich” procedure?  It could be helpful for HPC people,
> isn’t?

Or does ‘--with-input=openmpi=mpich’ fit the bill now?

Ludo’.