Subject: [bug#38546] [PATCH 0/3] Julia: fix package build and add julia-xyz

From: Ludovic Courtès <[email-masked]>
Date: Sun, 15 Dec 2019 22:40:00 +0100

Hi!

nixo <[email-masked]> skribis:

> This set of patches improve the state of julia-build-system.
>
> 1. set path JULIA_LOAD_PATH to enable installing packages, and
>   JULIA_DEPOT_PATH to allow guix-precompiled cache to be recognized by julia. To

These two environment variables are supported upstream, right?

>   do this, a small "hack" with libfaketime was required (julia decides if the
>   cache is valid by comparing source ".jl" mtime with cache ".ji" file, in which
>   julia stores a timestamp. We need to force this timestamp to be equal to the
>   mtime of guix-store files).

OK.  This hack shouldn’t break “normal” Julia uses (outside of the
store), right?

Ludo’.