From mboxrd@z Thu Jan  1 00:00:00 1970
From: Leo Famulari <leo@famulari.name>
Subject: Re: [v3] Erlang
Date: Mon, 23 May 2016 14:59:14 -0400
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To: Pjotr Prins <pjotr.public12@thebird.nl>
Cc: guix-devel@gnu.org, Joe Armstrong <erlang@gmail.com>

On Mon, May 23, 2016 at 01:48:11PM +0200, Pjotr Prins wrote:
> Good news. The changelog for
> 
>   http://erlang.org/download/OTP-19.0-rc1.README
> 
> says that 
> 
> OTP-13504    Application(s): compiler
> 
>                The compiler will no longer put the compilation date
>                and time into BEAM files. That means that two BEAM
>                files compiled on the same computer from the same
>                source code and compilation options will be identical.
> 
>                Note: If you want to find out whether a BEAM file on
>                disk is different from the loaded code, compared the
>                MD5 value obtained from Mod:module_info(md5) with the
>                MD5 value obtained from beam_lib:md5(BeamFileForMod)`
> 
> This means that Erlang and Elixir may go into GNU Guix :)

Indeed, great news :) I will try building it with Guix today.