Re: Using julia in guix

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

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On Wed, Nov 03, 2021 at 10:56:51PM +0100, Théo Maxime Tyburn wrote:
> Hi,
> 
> Thanks for the quick reply!
> 
> > For now, it is either packages from Pkg.jl or either packages julia-*
> > from Guix.  A patch [1] is still pending for being able to mix both.
> > Aside that packages from Pkg.jl do not always work out-of-the-box,
> > sadly.
> >
> > 1: <http://issues.guix.gnu.org/51319>
> 
> Ok I see so either I use guix julia-* packages and then I need julia to
> ignore packages in ~/.julia and avoid using Pkg, or I use Pkg to
> install packages but it will break in some cases and also ignore already
> install julia packages from guix.
> 
> What about using JLLs ? I have no precise understanding of how a jll work
> and how to use it but it seems they contain binaries and there are
> guix packages for them. For example julia-glfw-jll. Could I use GLFW in
> julia with this guix package installed ?
> 
> >> I encountered two problems. The first with the package "GR" the
> >> second with the package "GLFW". I encountered these bugs while trying
> >> the packages "Plots" and the "GLMakie" backend of "Makie"
> >
> > IIUC, you installed all the packages using Pkg.jl, right?
> 
> Yes until my first message I only installed stuff with Pkg. Now I tried
> the guix packages and they work fine. Especially the GR package works so
> I can at least plot things now, thanks ! (Makie with Cairo backend is
> also working from Pkg install though)
> 
> > and I do not know if Pkg.jl works correctly with the current julia
> > from Guix.  For instance, "guix shell julia -CN -- julia" then 'using
> > Pkg; Pkg.add("Plots")' reports failures.  One is reference to build
> > directory "/tmp/guix-build-julia-1.6.2.drv-0", see [2].
> >
> > 2: <http://issues.guix.gnu.org/issue/48238>
> 
> This seems nasty. For me however everything I tried to install and
> precompile with Pkg worked. So "pkg>add Plots" and "using Plots" works
> fine. Problems arise when I call a function, say "plot(1:3,1:3)".
> 
> > For now, I do not have a solution and I do not have time to work on
> > it.  Sorry.  I would be happy if someone fixes the issue; probably
> > patch#51319 helps here. :-)
> 
> I’ll try that out, it seems promising. Combining packages from Pkg and
> guix while prioritizing guix packages and avoid reinstalling them seems
> like the right way to get the problematic packages under control for now
> (by that I mean creating a guix package for them).
> 
> I never tested a patch though. How do I do this ? Is it on a branch of
> the git repo ?

The way I do it is I read my emails with mutt and I pipe the patch file
(either the e-mail or a part of it, depending on how it came through) to
'cd workspace/guix; git am' and then test it out from there.

There is also CBaines's patch tracker. If you add
https://git.guix-patches.cbaines.net/git/guix-patches as another remote
(git remote add guix-patches https://git.guix-patches.cbaines.net/git/guix-patches)
then you can cherry-pick c6e882a52b5e736d0ac11872bc2dc6e26100115a and
test out the patch that way.

-- 
Efraim Flashner   <efraim@flashner.co.il>   רנשלפ םירפא
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