> “Build-side” modules, which typically live in (guix build …), should not > depend on “host-side” modules such as (guix packages). That’s because > if we did that, we’d effectively end up importing all of Guix on the > build side, but then we’d also have to serialize data structures such as > packages to pass them from one side to the other. (I hope this makes > sense to you, but if it doesn’t maybe the intro of > <https://gnu.org/s/guix/manual/html_node/G_002dExpressions.html> can > shed some light.)
It makes some sense, but I'll read up more. > So in short, we cannot use ‘package-name’ and > ‘package-transitive-target-inputs’ in this module. Ok. > (Time passes…) > > I wasn’t sure how to fix this bug myself so I gave it a try and ended up > with the patch below, but I haven’t tested in detail. (You’ll notice > (guix build-system python) is hard to work with because it doesn’t use > gexps yet.) > > How does it look? I'm travelling now. I'll get back on Monday and study this patch.
