[erlang-questions] repeatable builds

Magnus Henoch magnus@REDACTED
Tue Apr 5 15:07:46 CEST 2016

Debian has included a patch that lets you use the environment variable
SOURCE_DATE_EPOCH to fix the compile time, and thus obtain identical output
(given the same compiler version and other things):

This was briefly discussed on this mailing list:


On Mon, Apr 4, 2016 at 8:59 PM, Joe Armstrong <erlang@REDACTED> wrote:

> Hello,
> I think I've asked this before but cannot find the answer:
> I want the beam file produced by
>   $ erl file.erl
> to always have the same sha1 checksum - there was, if I remember
> correctly, a hidden flag that removed the time of compilation etc from
> the beam code. Any ideas how to do this?
> /Joe
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