bug#62762: Incremental builds and Lisp files dependencies pulling a new version of the code

[Eli Zaretskii]

> Date: Sat, 6 May 2023 22:50:22 +0700
> Cc: monnier@iro.umontreal.ca, yantar92@posteo.net, bzg@gnu.org,
>  dmitry@gutov.dev, 62762@debbugs.gnu.org, acm@muc.de
> From: Max Nikulin <manikulin@gmail.com>
> 
> On 06/05/2023 14:51, Eli Zaretskii wrote:
> > This doesn't really work, not as long as we use Make: some *.elc files
> > might not exist yet, for whatever reasons, so Make will try to
> > generate them first, thus disrupting the order of generation that you
>                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > will try to encode in the dependencies.  We already tried that, and it
>         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > didn't work, not even just for Org.
> 
> Could you, please, be more precise? Do you suspect that Make may start 
> building a target before completion of all rules for its prerequisites? 

No, I mean that the order in which Make builds the targets might not
be what you think, if all you tell it that all org/*.elc files depend
on org-macs.elc.