[petsc-users] Open MPI library version error

[Pierre Jolivet]

Hello Daniel,
Which PETSc version are you using?
I think this has been addressed there: https://gitlab.com/petsc/petsc/-/merge_requests/3671 <https://gitlab.com/petsc/petsc/-/merge_requests/3671>

Thanks,
Pierre

> On 11 May 2021, at 11:22 AM, Daniel Stone <daniel.stone at opengosim.com> wrote:
> 
> Hello,
> 
> I have the following error:
> 
> PETSc Error --- Open MPI library version
> FUJITSU MPI Library 4.0.0 (4.0.1fj4.0.0) does not match what PETSc was compiled with 4.0, aborting
> 
> I have to configure and compile petsc in a cross compilation environment and run it 
> in a different one. I'm trying to run src/snes/examples/tutorials/ex19 to confirm things 
> are working.
> 
> It looks like this error could be down to some confusion with string comparison
> ("4.0.0" =/= "4.0"), or it could be some nightmare misalignment between the two 
> environments I have to use, and/or my efforts to configure PETSc. I'm trying to 
> determine which.
> 
> Is there some way to turn off this version checking, to see if it is just a string comparison
> error and maybe the rest of the program will run fine? Or could someone point me to where
> in the source code/configuration scripts these numbers are harvested and this error is generated, so I can try to get a better idea about what is going on?
> 
> Thanks,
> 
> Daniel Stone

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