GNU bug report logs - #62762
'make' often errors with "Org version mismatch" after pulling a new version of the code

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Message #203 received at 62762 <at> debbugs.gnu.org (full text, mbox):

From: Max Nikulin <manikulin <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: yantar92 <at> posteo.net, 62762 <at> debbugs.gnu.org, bzg <at> gnu.org, dmitry <at> gutov.dev,
 monnier <at> iro.umontreal.ca, acm <at> muc.de
Subject: Re: Incremental builds and Lisp files dependencies pulling a new
 version of the code
Date: Sun, 7 May 2023 09:45:20 +0700

On 06/05/2023 23:26, Eli Zaretskii wrote:
>> Date: Sat, 6 May 2023 22:50:22 +0700 From: Max Nikulin
>>
>> 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.

Sorry, but it is still not clear to we what "doesn't really work" and I 
feel that it may be important for further discussion.

If a Makefile contains a dependency like

org/ol.elc: org/org-macs.elc

and org/org-macs.elc needs update then the rule for org/ol.elc is 
executed after completion of the rule for org/org-macs.elc. The purpose 
of dependencies is to define order of execution of build rules.

However I suggested dependencies on org-macs.el, not on org-macs.elc:

Sat, 6 May 2023 13:00:38 +0700
>> they 
>> should be at least that all lisp/org/*.elc files depend on 
>> lisp/org/org-version.el and lisp/org/org-macs.el.

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