[Bug 1382755] Review Request: legion - A data-centric parallel programming system

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https://bugzilla.redhat.com/show_bug.cgi?id=1382755



--- Comment #19 from Antonio Trande <anto.trande@xxxxxxxxx> ---
(In reply to Christoph Junghans from comment #18)
> (In reply to Antonio Trande from comment #17)
> > - MPI builds are not using MPI compilers:
> > 
> > OpenMPI build must use mpic++ that's located in '/usr/lib64/openmpi/bin'.
> > MPICH build must use mpic++ that's located in '/usr/lib64/mpich/bin'.
> > 
> > Force CXX flags after %{_mpich_load} and %{_openmpi_load} with:
> > 
> > export CXX=mpic++
> Legion doesn't actually depends on MPI and hence using mpic++ as a compiler
> might lead to overlinking. Legion only depends on Gasnet, which comes in two
> mpi variants.
> The reason that legion looks for mpi can be found here:
> <https://github.com/StanfordLegion/legion/pull/205>
> And doesn't really apply on Fedora as we are using shared libs for gasnet.

Let me understand, please: Legion does not depend on MPI but neither Gasnet
looks linked to mpi, in fact Legion is inheriting all undefined-non-weak-symbol
from Gasnet (https://bugzilla.redhat.com/show_bug.cgi?id=1375744#c9).
I'm asking to myself why Legion-MPI libraries are compiled.

> 
> > - Use %{_mpich_load} and %{_openmpi_load} into '%install' section too.
> Will do.
> 
> > - There are test files available for testing 'legion'
> Last time I checked the tests only work in the non-cmake build system, but I
> will check again.
> 
> > - *.cmake file go in '/usr/lib(64)/cmake/legion', not under /usr/share.
> Ok.
> 
> > - 'fedora-review' tool seems not able to download src-rpm from github.io;
> > please, use your 'fedorapeople' space if you can.
> Ok, is there a way to pull the srpm from koji?

No, i guess.
You can use Copr.

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