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From: Glenn Morris <rgm@gnu.org>
To: Stefan Monnier <monnier@IRO.UMontreal.CA>
Cc: "Clément Pit--Claudel" <clement.pitclaudel@live.com>,
	23692@debbugs.gnu.org
Subject: bug#23692: 25.1.50; Package.el gets confused if file has no autoloads (could be a bug in update-directory-autoloads)
Date: Mon, 13 Jun 2016 14:33:49 -0400	[thread overview]
Message-ID: <vur3c1aqgi.fsf@fencepost.gnu.org> (raw)
In-Reply-To: <jwva8ivyw0m.fsf-monnier+emacsbugs@gnu.org> (Stefan Monnier's message of "Wed, 08 Jun 2016 21:47:04 -0400")

Stefan Monnier wrote:

> -      (when changed
> +      (if (not changed)
> +          (set-buffer-modified-p nil)

I guess that will work. Some vague thoughts:

i) I guess now autoload will sometimes not create any output file.
Does that matter?

ii) I wonder what this means for reproducibility of the loaddefs file.
IIRC When building Emacs itself, the loaddefs file can change if you:
make -j8 bootstrap; make -C lisp autoloads
due to changes in "files with no autoloads" section owing to generated
files being created in parallel with loaddefs.el (this is really a
failure in dependency tracking for loaddefs, but it's harmless).
But it does finally converge to a fixed state. Will it still do so if
the loaddefs file sometimes isn't written?

iii) Would applying a move-if-change style logic be better?





  reply	other threads:[~2016-06-13 18:33 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-03 22:03 bug#23692: 25.1.50; Package.el gets confused if file has no autoloads (could be a bug in update-directory-autoloads) Clément Pit--Claudel
2016-06-03 22:50 ` Glenn Morris
2016-06-04  4:34   ` Clément Pit--Claudel
2016-06-06 17:24   ` Glenn Morris
2016-06-09  1:47     ` Stefan Monnier
2016-06-13 18:33       ` Glenn Morris [this message]
2016-06-14  0:40         ` Stefan Monnier
2016-10-10  9:56           ` Eli Zaretskii
2016-10-11 19:56             ` Stefan Monnier
2016-10-11 20:54               ` Eli Zaretskii
2016-06-13 22:17       ` Clément Pit--Claudel

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