From: Eli Zaretskii <eliz@gnu.org>
To: Lars Ingebrigtsen <larsi@gnus.org>
Cc: 9106@debbugs.gnu.org
Subject: bug#9106: 24.0.50; ./configure causes massive recompilation
Date: Mon, 25 Apr 2022 14:34:12 +0300 [thread overview]
Message-ID: <83y1ztmm6j.fsf@gnu.org> (raw)
In-Reply-To: <87h76h4faj.fsf@gnus.org> (message from Lars Ingebrigtsen on Mon, 25 Apr 2022 12:40:20 +0200)
> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: 9106@debbugs.gnu.org
> Date: Mon, 25 Apr 2022 12:40:20 +0200
>
> Eli Zaretskii <eliz@gnu.org> writes:
>
> > Invocation of the `configure' script causes recompilation of many
> > source files, even though nothing has really changed.
> >
> > It looks like the cause is lib/Makefile which states that several
> > generated headers in that directory depend on config.status. So each
> > `configure' causes those headers to be regenerated, which in turn
> > triggers many files using those headers to be recompiled.
> >
> > This is annoying, as building Emacs even on a modern system takes a
> > significant amount of time (about 3 minutes on this box, whose details
> > see below). Can this annoyance be removed, please?
>
> Reading this bug thread, it seems that various options were suggested
> (mostly around different move-if-changed solutions), but they all seemed
> to have various problems.
>
> I think that it's unlikely that a user runs configure twice in a row
> without changing any options, so I don't personally see any problems
> with re-compiling all the .c files after running configure, so I wonder
> whether there's really anything to be done here.
I don't mind closing this as wontfix.
next prev parent reply other threads:[~2022-04-25 11:34 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-17 5:30 bug#9106: 24.0.50; ./configure causes massive recompilation Eli Zaretskii
2011-07-18 17:48 ` Glenn Morris
2011-07-18 18:20 ` Jan Djärv
2011-07-18 18:37 ` Glenn Morris
2011-07-18 18:58 ` Eli Zaretskii
2011-07-18 18:37 ` Eli Zaretskii
2011-07-20 0:39 ` Paul Eggert
[not found] ` <4E2623CA.8090805@cs.ucla.edu>
2011-07-20 5:24 ` Eli Zaretskii
[not found] ` <E1QjPH2-0000Dw-03@fencepost.gnu.org>
2011-07-20 5:58 ` Paul Eggert
[not found] ` <4E266E98.4010901@cs.ucla.edu>
2011-07-20 6:29 ` Eli Zaretskii
[not found] ` <E1QjQHq-0003DH-6Q@fencepost.gnu.org>
2011-07-20 6:38 ` Eli Zaretskii
2011-07-20 6:44 ` Ralf Wildenhues
[not found] ` <E1QjQQK-0003x0-Db@fencepost.gnu.org>
2011-07-20 6:46 ` Ralf Wildenhues
[not found] ` <20110720064623.40890@gmx.net>
2011-07-20 8:48 ` Eli Zaretskii
[not found] ` <83k4bcvo1f.fsf@gnu.org>
[not found] ` <20110720210417.270150@gmx.net>
[not found] ` <201107211257.44586.bruno@clisp.org>
2011-07-21 20:59 ` Paul Eggert
[not found] ` <4E289329.1020204@cs.ucla.edu>
2011-07-21 21:27 ` Bruno Haible
[not found] ` <201107212327.27095.bruno@clisp.org>
2011-07-21 22:00 ` Paul Eggert
[not found] ` <4E28A192.6010702@cs.ucla.edu>
2011-07-22 6:14 ` Eli Zaretskii
[not found] ` <83zkk6u9ja.fsf@gnu.org>
2011-07-22 8:06 ` Paul Eggert
2011-07-21 22:27 ` Jim Meyering
2022-04-25 10:40 ` Lars Ingebrigtsen
2022-04-25 11:34 ` Eli Zaretskii [this message]
2022-04-25 12:10 ` Lars Ingebrigtsen
2022-04-25 13:42 ` Robert Pluim
2022-04-25 14:29 ` Lars Ingebrigtsen
2022-04-25 15:49 ` Robert Pluim
2022-04-25 16:13 ` Eli Zaretskii
2022-04-26 15:43 ` Robert Pluim
2022-05-05 8:33 ` Robert Pluim
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