GNU bug report logs - #40838
28.0.50; [feature/native-comp] Function overrides in init.el are not honored after deferred compilation

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From: Ihor Radchenko <yantar92 <at> gmail.com>
To: Andrea Corallo <akrl <at> sdf.org>
Cc: 40838 <at> debbugs.gnu.org
Subject: bug#40838: 28.0.50; [feature/native-comp] Function overrides in init.el are not honored after deferred compilation
Date: Tue, 19 May 2020 11:06:50 +0800

> In summary this is not a problem of the deferred compilation mechanism
> but is an hack that is not working for this case.
> 
> To mitigate this I've added a new customize you can use to define those
> functions (or whatever) into the compiler environment of the async
> compilation workers, is called `comp-async-env-modifier-form'.

If this is what is happening with straight.el, then my recipe is not
actually reproducing my initial bug report. I have other cases when
functions redefined in my config are overridden by initial definition
when .eln is loaded. I think that I still need to investigate for a real
recipe then.

Best,
Ihor


Andrea Corallo <akrl <at> sdf.org> writes:

> Ihor Radchenko <yantar92 <at> gmail.com> writes:
>
>>> thanks this is appreciated because I haven't managed to reproduce it
>>> myself.
>>
>> Finally, I found some reproducible example.
>> straight.el redefines some org functions before loading org.
>> It is done in straight--fix-org-function (org-git-version and
>> org-release are redefined). 
>> The redefined version works with org.elc, but somehow get overridden
>> when org.eln is loaded (in my case, the loading is triggered by elfeed-org).
>>
>> Steps to reproduce:
>>
>> 1. Use the attached file to load emacs. No errors should appear.
>> 2. Wait until org is native-compiled.
>> 3. Restart emacs. The following errors appears
>> (straight--fix-org-function supposed to be a workaround for this error):
>>
>> Error (use-package): elfeed-org/:catch: Invalid version syntax: ‘N/A’
>> (must start with a number)
>>
>> 4. Delete org.eln
>> 5. Restart emacs. The error disappears.
>
> Okay I think I've an idea of what is going on here.
>
> straight given wants to build org in a way org is not made for is
> hacking around the problem predefining in the compilation environment
> `org-release' and `org-git-version'.
>
> When org.el is loaded is executing at top level the expansion of
> `org-check-version' that is supposed to define these two functions,
> given are already defined by straight.el we should fall in the first if
> clause an the hacked functions remains.
>
> When the eln are compiled by deferred-compilation no-one is hacking the
> definition of these two functions in the way straight.el would like and
> so the trouble raise.
>
> In summary this is not a problem of the deferred compilation mechanism
> but is an hack that is not working for this case.
>
> To mitigate this I've added a new customize you can use to define those
> functions (or whatever) into the compiler environment of the async
> compilation workers, is called `comp-async-env-modifier-form'.
>
> 2ac6194585 * Add new customize `comp-async-env-modifier-form' (Bug#40838)
>
> I'm for closing this.
>
> Bests
>
>   Andrea
>
> -- 
> akrl <at> sdf.org

-- 
Ihor Radchenko,
PhD,
Center for Advancing Materials Performance from the Nanoscale (CAMP-nano)
State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, China
Email: yantar92 <at> gmail.com, ihor_radchenko <at> alumni.sutd.edu.sg

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