Danny Milosavljevic <dannym@scratchpost.org> writes:

> $ guix environment --pure guix --ad-hoc git guile-json guile-readline
> $ make 
> [ 11%] LOAD     guix/scripts/download.scm
> ice-9/eval.scm:293:34: error: hash-algorithm: unbound variable
>
> guix master commit 51443772b80c5ca51ccbe5cf05c5db4c216a7b66
> on Ubuntu 16.04 on armhf.

What is your 'guix --version'?

Presumably you can fix this by importing (guix openpgp) in (guix scripts
download), but IWBN to figure out why it works on other systems.