[bug#27850] gnu: mpi: openmpi: Don't enable thread-multiple

[Ludovic Courtès]

Dave Love <address@hidden> skribis:

> Ludovic Courtès <address@hidden> writes:

[...]

>>>      (arguments
>>>       `(#:configure-flags `("--enable-static"
>>>  
>>> -                           "--enable-mpi-thread-multiple"
>>
>> Should we upgrade our openmpi package instead of doing this?
>
> I don't know whether they've fixed all the breakage I knew about in
> OMPI 2 or whether there's still any penalty from thread-multiple.  1.10
> seems fairly safe, but I don't have strong opinions if people think 2 is
> solid.  Apart from ABI incompatibility, I assume it has the usual
> incompatibilities at the mpirun/MCA level, and that they aren't well
> documented.

ABI compatibility is normally not an issue with Guix, so I’d be in favor
of upgrading to 2.0.3.  Would you like to do it?

Thanks,
Ludo’.