Am Freitag, den 28.02.2020, 09:32 +0100 schrieb Pierre Neidhardt:
> The `#:emacs` field tells the build system which Emacs package to use
> to
> build this package.  There may be something that not compatible
> between
> our current build system and emacs-next.
> 
> I've CC'ed Maxim and Leo, they might know more than me.
This issue should be addressed by #39375, which is currently waiting to
be pushed to master or staging.  I took the liberty to rewrite this
patch with that one in mind – the build succeeds now, but I'm not sure
how to run it.  Perhaps I'm missing a few bits.

Regards,
Leo