openmpi-* subports, and publishing of binaries

Christopher Nielsen mascguy at
Fri Apr 30 18:05:18 UTC 2021

Based on local testing of the buildbot binaries, everything looks good.

Of note, buildbot binaries shouldn’t be used when compiling against the Xcode-provided compiler, since that can vary between the builtbot and users’ machines. (And that’s consistent with the behavior of mpich-* ports.) But most openmpi-* subports can utilize the buildbot binaries, eliminating local builds in many cases.

For anyone interested in more detail, the work is tracked by ticket: <>

Thoughts/comments welcome.

> On 2021-04-28-W, at 08:15, Christopher Nielsen <mascguy at> wrote:
> Good point, and the binaries do indeed exist.
> I’m running on a 2008 MacPro, with pre-Nehalem Xeons that are one major generation behind the Xserves. So that makes me an ideal candidate to test.
> Now it’s simply a matter of putting together a suite of tests that thoroughly exercises OpenMPI. Stay tuned...
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