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bug#62762: Incremental builds and Lisp files dependencies pulling a new


From: Max Nikulin
Subject: bug#62762: Incremental builds and Lisp files dependencies pulling a new version of the code
Date: Sun, 7 May 2023 09:45:20 +0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0

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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