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bug#64712: 29.0.92; Emacs 29 with native compilation compiles cl-loaddef
From: |
Stefan Kangas |
Subject: |
bug#64712: 29.0.92; Emacs 29 with native compilation compiles cl-loaddefs.el on every startup |
Date: |
Tue, 5 Sep 2023 16:11:16 -0700 |
Eli Zaretskii <eliz@gnu.org> writes:
> Not to slow down the build unnecessarily, I think. Basically, the
> same reason why we have "no-byte-compile: t" in some files: you get no
> gains from doing that, you just waste CPU time. And the waste is much
> more significant with native compilation.
>
>> I see that they were added in commit 6c11214dc112, but it doesn't
>> explain why.
>
> When that happens, I always search the mailing lists around the date
> of the commit. In this case, I found
>
> https://lists.gnu.org/archive/html/emacs-devel/2022-09/msg00168.html
>
>> I personally can't see that it would make much of a difference if we
>> have them or not, but maybe I'm missing something.
>
> If nothing else, it will slow down startup (because each .eln files
> needs to be loaded via dlopen, as opposed to .elc that is dumped into
> the pdumper file), albeit insignificantly. But if we do this with all
> the autoload files we have, that could slow down in a more tangible
> ways. So basically we have here two minor annoyances: you can solve
> one, but then you "gain" the other one.
Right. So perhaps we should just live with it, and close this as
wontfix.