GNU bug report logs - #39823
26.3; update-directory-autoloads regression from Emacs 26 to Emacs 27

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From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 39823 <at> debbugs.gnu.org, rms <at> gnu.org, npostavs <at> gmail.com
Subject: bug#39823: 26.3; update-directory-autoloads regression from Emacs 26 to Emacs 27
Date: Wed, 08 Apr 2020 12:41:26 -0400

Hi Eli,

Eli Zaretskii <eliz <at> gnu.org> writes:

>> From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
>> Date: Tue, 07 Apr 2020 23:55:18 -0400
>> Cc: 39823 <at> debbugs.gnu.org, npostavs <at> gmail.com
>> 
>> I think it could be nice to update update-directory-autoloads to work in
>> a lexical setting before closing this bug, though.
>
> Update how?

Update `update-directory-autoloads' so that it accepts a &key style arg
for the ‘generated-autoload-file’ file name.  Currently it must be
dynamically bound prior to calling `update-directory-autoloads'.  This
was discussed earlier in this thread (see:
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=39823#29).

> This discussion mentioned a way to turn off lexical-binding in --eval
> command-line arguments (which is also in NEWS), so why do we need to
> do anything else specifically for update-directory-autoloads?

Because I suspect that 'update-directory-autoloads' is probably used
most of the time with the command line --eval (in Makefiles and build
scripts), and that the wrap in eval workaround, while it works, is
rather obscure.

Maxim

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