bug#72045: Emacs graft lookup still fails

[Suhail Singh <suhailsingh247@gmail.com>]

Liliana Marie Prikler <liliana.prikler@gmail.com> writes:

> Am Sonntag, dem 14.07.2024 um 12:27 -0400 schrieb Suhail Singh:
>> However, perhaps there is a way to ensure that the proposed
>> replacement doesn't have a different ABI_VERSION.  Could this be
>> caught by a test or "sanity checker" of some kind?
> You could just print the value of comp-native-version-dir.  If that
> changes between ungrafted and grafted emacs, then the graft is NG (no
> good).

Yes, of course.  The part that's not clear to me (due to my limited
understanding of Guix internals) is how to trigger it at the time the
package replacement is being considered / done.  Perhaps that would be
the responsiblity of the emacs-build-system.

-- 
Suhail