Axel Huebl b26c85301d OpenMPI: Prefer Last 3.X (#9945) ...

The latest OpenMPI release, v4.0.0, does not build with many GCC
variants. Since this is our default, a lot of users get hit.

Let's wait for some point releases.

2018-11-26 16:46:04 -06:00

..

spack

OpenMPI: Prefer Last 3.X (#9945)

2018-11-26 16:46:04 -06:00