Ludovic Courtès writes:

> I like this but… while we’re at it, could we arrange to have a single
> file that works for both Hydra and Cuirass?

I like that.  It bothered me a bit to have similar files (not DRY) but
didn't see how that could be easily avoided.

> The main difference is that one returns an alist with symbols, whereas
> the other returns an alist with keywords.

That helps a lot...I kind of vaguely knew this but not well enough to see it!

> If we could instead add, say, build-aux/hydra/gnu-system-cuirass.scm,
> which simply loads gnu-system.scm and “converts” the resulting alist
> appropriately, that would be awesome.

I opted for build-aux/cuiras/gnu-cuirass.scm.

> I understand this is not quite what you were asking for ;-), but it
> would achieve the same result.

Attached is a new proposal, untested.  I will test it tomorrow, please
shoot on things that are already visibly foo.

One question: Assuming we intend to move to Cuirass and away from Hydra,
do we want to reverse the translation: have Cuirass be the untranslated
version and keep the translation to Hydra alive for as long as we need
to support Hydra?

Greetings,
janneke