Thank you for your response!

You were right, /bin/sh was the issue. I did some grepping and found Elixir was generating files that depend on /bin/sh. I am now able to build Elixir 1.9.2 on Guix.

I am attaching the patch to this e-mail. Please format/fix the code as necessary, I am not too familiar with Guile and other Scheme/Lisp languages.

Oskar

Nov 1, 2019, 00:54 by mbakke@fastmail.com:

Oskar Köök <oskar@maatriks.ee> writes:
Sorry, first time using Guix.

Some Elixir tests are failing, caused by a new feature. I have locally fixed most of the issues related to this (I can now manually run the Makefile in the generated Guix folder without any tests failing), but I am stuck on a part where the tests spawn binaries and wait for a certain file to be created in a certain location. This does not work during the Guix build.

Perhaps it requires a network connection? Or /bin/sh? Those are the
most common sources of things failing in the build container but not on
a "regular" system.
I will examine further over the weekend. If I can not fix these tests, is it acceptable to disable them? I can verify that the behaviour being tested works manually.

We should find out why they are failing in either case. :-)