[Slackbuilds-users] Using OpenBLAS with getfem

[Fellype]

Hi Erich,

Enabling superlu (or/and mumps) is required to build getfem. I chose
superlu because it is already in the SBo repo.
I don't want to add OpenBLAS as a dependency to getfem. But I can add a
variable to allow users to pass openblas as an argument to the build
script, with blas as the default option.
Probably something like this:
BLAS=${BLAS:-blas}
...
--with-blas=$BLAS \
...

Then you can just build getfem with:
BLAS=openblas sh getfem.SlackBuild
Does it work for you?
If you or someone else have a better way to implement this, please let me
know.

Regards,
Fellype

On Mon, Feb 3, 2025 at 2:09 PM Erich Ritz <erich.public at protonmail.com>
wrote:

> Hello all,
>
> getfem recently added superlu as a dependency, which itself needs a blas
> library.  I prefer to always use OpenBLAS (and superlue suggests it as
> well), but initially building getfem failed (it failed to find a blas
> library).
>
> I was able to get the build to succeed by adding:
>
>     --with-blas=openblas \
>
> to the configure line in getfem.SlackBuild.  (I also verified in getfem's
> build log that it found and used both OpenBLAS and superlu.)
>
> What is the best way to support using OpenBLAS with getfem?  I prefer not
> to carry my own patch.
>
> Erich
>
>
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