bug#47120: 28.0.50; [feature/native-comp] Stale *.eln files are not recompiled

[Andrea Corallo]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Andrea Corallo <akrl@sdf.org>
>> Cc: 47120@debbugs.gnu.org
>> Date: Sat, 13 Mar 2021 20:12:41 +0000
>> 
>> > I'm talking about the *.el files that are not automatically natively
>> > compiled, they are natively compiled when first time loaded into
>> > Emacs.
>> 
>> I see now thanks, but I'm wondering why should we native compile it
>> automatically when the .el is updated later-on if we don't do it during
>> the first build?
>
> It just doesn't sound right to me not to update.
>
> But maybe others will think differently.
>
> Or maybe we should by default native-compile all the *.el files in the
> tarball as part of the build, and then what I expect will happen
> automatically.

Yeah, I guess if we go for distributing a tarball with .eln files would
be nice to compile as mush as possible to save computation time to the
user.  That said I like the general idea of keeping the behavior of
following builds symmetric with the initial one.

Regards

  Andrea