Subject: [bug#32171] Update: Erlang and Elixir

From: Pjotr Prins <[email-masked]>
Date: Tue, 17 Jul 2018 11:48:39 +0200

On Mon, Jul 16, 2018 at 08:22:48PM +0000, Nils Gillmann wrote:
> Apparently we had this (Erlang, Elixir reproducible) fixed at some point.

That was due to beam's time stamp getting removed.

> compressing documentation in '/gnu/store/a3938xrgzdlwh25qfpbhrgaf9gm6231b-erlang-21.0/share/man' with "gzip" and flags ("--best" "--no-name")
> phase `compress-documentation' succeeded after 0.3 seconds
> guix build: error: build failed: derivation `/gnu/store/1vaz67iwn518m8d35j98zjpy3fjw92ca-erlang-21.0.drv' may not be deterministic: output `/gnu/store/a3938xrgzdlwh25qfpbhrgaf9gm6231b-erlang-21.0' differs

I may look into this at some point. Best is to see what individual
files were changed during different builds. Erlang cares about
reproducibility, so they'll be responsive.

Pj.