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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Ihor Radchenko <yantar92@gmail.com>
Cc: emacs-orgmode@gnu.org
Subject: Re: org-assert-version considered harmful
Date: Tue, 13 Sep 2022 09:26:38 -0400	[thread overview]
Message-ID: <jwvsfkv5s7l.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <87h71ct10n.fsf@localhost> (Ihor Radchenko's message of "Tue, 13 Sep 2022 11:18:48 +0800")

>> - git pull  =>  switches to 9.5.5, but several .el files are left unchanged.
>> - make autoloads  =>  this refreshes the autoloads, but the .elc files
>>   of those .el files which didn't change still won't be recompiled.
>
> Isn't it a bug in the elpa scripts then?
> If a macro definition is changed and the .elc file using that macro is
> not changed, it still needs to be re-compiled. Otherwise, all kinds of
> unexpected side effects may appear.

Yup.  But there's no option to automatically find those dependencies in
ELisp, and (IIRC from last time I looked at it, in many packages obeying
such dependencies would end up introducing circular dependencies in
the Makefile), so we'd have to depend on the package's author to provide
a working set of file dependencies.

Note that the same problem applies to Emacs's own ELisp files.
In Emacs we have `make bootstrap` to manually get out of such
a bad compilation.

>> PPS: Maybe instead of calling `org-assert-version` everywhere, the
>>      `org-autoloads.el` (i.e. the file that sets up the `load-path` and
>>      the autoloads) could look for traces of Org files in the
>>      `load-history` and signal an error if such files are found coming
>>      from a different directory.
>
> No, unfortunately.
>
> org-autoloads, when loaded from built-in Emacs version will not help
> to catch newer Org libraries being loaded after built-in Org version is
> loaded.

Hmm... after new-org-autoloads.el is loaded, the old-Org files will be
relegated to "late in the `load-path`" (i.e. after the directory that
holds the new-Org file) and should hence not be loaded any more (unless
someone goes through the trouble to explicitly load an old-Org files
with an absolute file name).

> Moreover, I consider loading personal forks of built-in Org libraries a
> valid use-case. Demanding all the org libraries to be loaded from the
> same directory will limit this possibility.

As long as they're loaded after new-org-autoloads.el, it would still be
fine since the test is only performed once when loading the
new-org-autoloads.el.


        Stefan



  reply	other threads:[~2022-09-13 13:27 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-12 18:27 org-assert-version considered harmful Stefan Monnier
2022-09-13  1:52 ` Ihor Radchenko
2022-09-13  2:16   ` Timothy
2022-09-13  2:53   ` Stefan Monnier
2022-09-13  3:18     ` Ihor Radchenko
2022-09-13 13:26       ` Stefan Monnier [this message]
2022-09-13 14:42         ` Ihor Radchenko
2022-09-13 16:13           ` Stefan Monnier
2022-09-14  2:46             ` Ihor Radchenko
2022-09-14 14:08               ` Stefan Monnier
2022-09-14 19:13                 ` Tim Cross
2022-09-25  2:39               ` Bastien
2022-09-25  3:15                 ` Ihor Radchenko
2022-09-25  4:27                   ` Timothy
2022-09-25  9:37                   ` Bastien
2022-09-25  9:55                     ` Ihor Radchenko
2022-09-25 10:24                       ` Bastien
2022-09-25 11:10                         ` Ihor Radchenko
2022-09-25 11:26                           ` Bastien
2022-09-25 12:16                             ` Ihor Radchenko
2022-09-25 13:18                               ` Bastien
2022-09-26 11:15                                 ` Ihor Radchenko
2022-09-25 12:20                             ` Ihor Radchenko
2022-09-25 13:16                               ` Bastien
2022-09-26 11:29                 ` Ihor Radchenko
2022-09-27 21:35                   ` Bastien
2022-10-31 14:11                     ` Cook, Malcolm
2022-10-31 20:16                       ` [External] : " Daniel Ortmann
2022-10-31 20:40                         ` Cook, Malcolm
2022-10-31 23:16                       ` Tim Cross
2022-11-01  6:09                       ` Ihor Radchenko
2022-11-02 20:42                         ` Cook, Malcolm
2022-11-03  7:51                           ` Ihor Radchenko
2022-11-03 17:30                             ` Cook, Malcolm
2022-12-02  8:16                               ` Tom Gillespie
2022-12-02  6:45                                 ` Ihor Radchenko
2022-12-04  4:22                                   ` Tom Gillespie
2022-12-04  4:33                                     ` Stefan Monnier
2022-12-04 11:12                                       ` Ihor Radchenko
2023-08-16 11:08                                         ` Ihor Radchenko
2023-08-16 12:30                                           ` Stefan Monnier
2023-08-16 12:41                                             ` Ihor Radchenko
2023-08-16 13:41                                               ` Stefan Monnier
2023-08-18  9:37                                                 ` Ihor Radchenko
2023-08-18 13:19                                                   ` Stefan Monnier
2023-08-18 13:33                                                     ` Ihor Radchenko
2023-08-18 13:45                                                       ` Stefan Monnier
2023-08-18 14:26                                                         ` Ihor Radchenko
2023-08-18 14:29                                                           ` Ihor Radchenko
2023-08-17 16:43                                           ` Max Nikulin
2023-08-17 16:59                                             ` Ihor Radchenko

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