[bug#50080] Commit updating SUNDIALS to 6.1.1.

[Ludovic Courtès]

Hi Paul,

"Paul A. Patience" <paul@apatience.com> skribis:

> On 2022-04-15 04:50:39-04:00, Ludovic Courtès wrote:
>> "Paul A. Patience" <paul@apatience.com> skribis:
>>> Do you know if the update to 6.1.1 renders the issues extraneous?
>>
>> Thanks for bringing it up, I had overlooked this patch of yours—my
>> apologies for that.  I don’t know if the new version defaults to 64-bit
>> or 32-bit indices.
>
> Ok, I figured out what happened.
>
>       ("petsc" ,petsc-openmpi)         ;support in SUNDIALS requires MPI
> -       ,@(package-inputs sundials)))
> +       ("petsc-openmpi" ,petsc-openmpi)      ;support in SUNDIALS requires 
> MPI
> +       ,@(alist-delete "petsc" (package-inputs sundials))))
>      (arguments
>       (substitute-keyword-arguments (package-arguments sundials)
>         ((#:configure-flags flags '())
> -        `(cons* "-DMPI_ENABLE:BOOL=ON"
> -                "-DPETSC_ENABLE:BOOL=ON"
> -                (string-append "-DPETSC_INCLUDE_DIR="
> -                               (assoc-ref %build-inputs "petsc")
> -                               "/include")
> -                (string-append "-DPETSC_LIBRARY_DIR="
> -                               (assoc-ref %build-inputs "petsc")
> -                               "/lib")
> -                ,flags))
> +        `(cons* "-DENABLE_MPI:BOOL=ON" ,flags))
>
> You accidentally disabled PETSc support in SUNDIALS by not re-adding
> PETSC_ENABLE in the sundials (not sundials-openmpi) package.
> If you had done so, the configure step would have failed because PETSc
> is supported in SUNDIALS only with MPI (hence the comment).

Oops, got it; sorry about that.

> Once we enable PETSc again, the index size problem appears again, even
> with SUNDIALS 6.1.1.
>
> Basically, I think all of my changes are still relevant.
> I still think setting the sundials and sundials-openmpi's index sizes to
> 32 bits is the most logical option (see the commit message in the
> “gnu: sundials: Update to 5.7.0.” patch).
>
> I will bring my old patch series up to date and submit it again when
> it's done.

Excellent.  Please let me know when you’re done and I’ll happily apply
it.

Thanks!

Ludo’.