[bug#41167] Julia: fix current patches, upgrade to 1.4.1

[Efraim Flashner]

On Wed, May 13, 2020 at 02:11:49AM +0200, zimoun wrote:
> Hi Nicolò,
> 
> On Sun, 10 May 2020 at 10:08, Nicolò Balzarotti <address@hidden> wrote:
> 
> > - fixed the julia-SOURCE_DATE_EPOCH-mtime.patch: It's now a meta-patch,
> >   that creates the right patch file, so the current julia version is not
> >   patched, and precompile cache of packages installed with guix is
> >   broken.  Still no julia-package is in guix, that's why it went
> >   unnoticed
> 
> Does this fix the unreproducible behaviour of Julia? As described in
> this bug [1] and discussed at length for v1.3.
> 
> > - Update julia to latest release, v1.4.1.  I was finally able to
> >   unbundle the last pieces of bundled software (libwhich).  Now julia
> >   is based on llvm-8 (previously on llvm-6) and I measuread a speedup of
> >   ~17x on precompile times
> 
> Because my machine (of lockdown) is not enough powerful, I cannot
> rebuild Julia v1.4.1 with the option '--check'.
> Could you report the status on the reproducibility of Julia with this
> new version?

guix build: error: derivation 
`/gnu/store/z21c12ijspavaclcins5pja8z1s8wbm0-julia-1.4.1.drv' may not be 
deterministic: output `/gnu/store/ri931fk8hf5wvagk76zhmwbphq2pwgnp-julia-1.4.1' 
differs from ?/gnu/store/ri931fk8hf5wvagk76zhmwbphq2pwgnp-julia-1.4.1-check?

I built it on bayfront twice. I'll get the diffoscope output once it
finally builds.

> 
> 
> BTW, thank you for this important update!
> Hope to play with it soon.
> 
> 
> Cheers,
> simon
> 
> ps:
> hope that your PhD defense was fine?
> 
> 
> 

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