Arun Isaac writes: > * gnu/packages/maths.scm (gsl): Update to 2.4. This should also mention that #:parallel-tests? is now gone. [...] > I don't know if this section is still valid. I don't have machines > with these architectures. How do I check? Digging around in the ChangeLog might give some hints. If nothing is mentioned, I would just assume the status quo. For aarch64 in particular, I suppose you could ping Efraim on IRC.