[Debichem-devel] current status of mpi-default-dev for mpich/mpich2 arches (and scalapack in particular)

[Michael Banck]

Hi Sebastian,

On Tue, Mar 04, 2014 at 02:37:28PM +0100, Sébastien Villemot wrote:
> Le mardi 04 mars 2014 à 13:18 +0100, Michael Banck a écrit :
> > cp2k FTBFS on s390x[1], because:
> > 
> > 1. The content of /usr/share/mpi-default-dev/debian_defaults on
> > mpich-arches is currently "mpich" in unstable, TTBOMK.
> > 
> > 2. The scalapack (and blacs, I believe) libraries contain a
> > "libscalapack-mpich2.so" symlink.
> > 
> > 3. In DebiChem, we have several packages which link to scalapack, and
> > sofar we used something like this snippet to figure out which library to
> > link in:
> > include /usr/share/mpi-default-dev/debian_defaults
> > export LIB_SCALAPACK=-lscalapack-$(ARCH_DEFAULT_MPI_IMPL)
> 
> Note that I have requested a binNMU on scalapack (#740620) which should
> solve this specific issue. petsc is currently affected by the same
> problem as cp2k.
> 
> I don't know if we need to think of a better solution to this problem.
> As long as mpich does not get renamed again in the foreseeable future,
> this may not be necessary.

Ah great - I didn't realize a binNMU would fix this.  In that case, I
agree that the status quo is probably fine.


Michael