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Re: Bug#1067055: openmpi: error: implicit declaration of function 'OPAL_THREAD_ADD_FETCH64'



On Mon, Apr 01, 2024 at 12:05:30PM +0100, Alastair McKinstry wrote:
> There is a transition to openmpi-5 / mpi-defaults which is stalled by the
> t64 transition.
> 
> It drops 32-bit support from OpenMPI.
> 
> Because of this, I don't think the solution is to  port 32-bit atomics for
> armel/armhf, as it will be removed in a few weeks/months.
> 
> While we didn't want the transitions to be done simultaneously, it might be
> the best answer.
It may have been somewhat easier for armel/armhf bootstrapping/rebuilding
if MPI stuff was dropped there early, but that's already finished
successfully so it doesn't matter.
Note that openmpi built successfuly on all release architectures so this
bug doesn't apply to them anyway.

-- 
WBR, wRAR

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