[bug#67822] [PATCH v3] gnu: maths: petsc: Reduce closure size.

[Efraim Flashner <efraim@flashner.co.il>]

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On Fri, Jan 05, 2024 at 12:52:02PM +0100, Lars Bilke wrote:
> Hi Ludo,
> 
> On 5 Jan 2024, at 12:08, Ludovic Courtès wrote:
> 
> > Can we instead patch the thing that creates ‘petscvariables’ in the
> > first place?
> >
> > The reason I’m suggesting it is because in general we avoid hardcoding
> > /gnu/store in substitution patterns because it’s possible to configure
> > Guix with a different store directory.
> 
> Thanks for your feedback!
> 
> In v1 of this patch I removed the 'petscvariables'-file completely but this broke dependent packages as well as not-yet packaged projects which use the file for finding the PETSc library and configuriung their build system.
> 
> Is there a possibility to replace the hard-coded /gnu/store with a variable which evaluates to the current store directory?

There's %store-directory in (guix build utils).  In fact, it looks like
git might have some code that you can borrow.


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