From: "Björn Bidar" <bjorn.bidar@thaodan.de>
To: Eli Zaretskii <eliz@gnu.org>
Cc: gerd.moellmann@gmail.com, emacs-devel@gnu.org
Subject: Re: How to make aot native-compilation and pdmp creation reproduceable
Date: Mon, 09 Oct 2023 19:53:11 +0300 [thread overview]
Message-ID: <87jzrvspoo.fsf@thaodan.de> (raw)
In-Reply-To: <837cnvwyiz.fsf@gnu.org> (Eli Zaretskii's message of "Mon, 09 Oct 2023 19:28:36 +0300")
Eli Zaretskii <eliz@gnu.org> writes:
>> From: Björn Bidar <bjorn.bidar@thaodan.de>
>> Cc: gerd.moellmann@gmail.com, emacs-devel@gnu.org
>> Date: Mon, 09 Oct 2023 19:06:41 +0300
>>
>> Eli Zaretskii <eliz@gnu.org> writes:
>>
>> >> From: Björn Bidar <bjorn.bidar@thaodan.de>
>> >> Cc: Eli Zaretskii <eliz@gnu.org>, emacs-devel@gnu.org
>> >> Date: Mon, 09 Oct 2023 18:25:42 +0300
>> >>
>> >> > - Executable and pdmp change with every build, independent of
>> >> > native-comp?
>> >> yes
>> >
>> > You build each time in the exact same directory? That is, remove the
>> > source tree, recreate it again in the same place under the same name,
>> > and then rebuild?
>>
>> The builder is recreated on each build. Obs sets up a fresh install in
>> each worker with just the packages required and nothing else but those
>> and the package sources.
>
> I don't think this answers my question. Are the absolute file names
> of each file in the source tree exactly identical in all the builds,
> including all the leading directories? If not, that can explain some
> differences.
They are exactly the same. That's the point it was trying to make, each
builder has a fresh set of packages, plus the extracted sources.
>> > I see that you use "make -j4", what happens if you don't use the -j4
>> > option (i.e. build in a deterministic sequential order)?
>>
>> How should that make a difference?
>
> "make -j4" can compile files in different order, so when file1.el is
> byte-compiled and 'require's file2.el, file2.el may or may not be
> already byte-compiled, so byte-compilation of file1.el may load
> file2.el or file2.elc, thus producing some differences.
OK I try if that makes a difference.
next prev parent reply other threads:[~2023-10-09 16:53 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-07 18:37 How to make aot native-compilation and pdmp creation reproduceable Björn Bidar
2023-10-07 19:27 ` Gerd Möllmann
2023-10-08 20:53 ` Björn Bidar
2023-10-08 20:57 ` Björn Bidar
2023-10-09 4:19 ` Gerd Möllmann
2023-10-09 11:05 ` Eli Zaretskii
2023-10-09 11:26 ` Gerd Möllmann
2023-10-09 11:32 ` Eli Zaretskii
2023-10-09 11:55 ` Gerd Möllmann
2023-10-09 12:29 ` Gerd Möllmann
2023-10-09 13:09 ` Eli Zaretskii
2023-10-09 13:33 ` Gerd Möllmann
2023-10-09 14:20 ` Eli Zaretskii
2023-10-09 14:30 ` Gerd Möllmann
2023-10-09 14:48 ` Björn Bidar
2023-10-09 14:58 ` Eli Zaretskii
2023-10-09 15:44 ` Björn Bidar
2023-10-09 14:52 ` Björn Bidar
2023-10-09 15:06 ` Gerd Möllmann
[not found] ` <8734yju8ax.fsf@thaodan.de>
2023-10-09 15:59 ` Eli Zaretskii
2023-10-09 16:06 ` Björn Bidar
2023-10-09 16:28 ` Eli Zaretskii
2023-10-09 16:53 ` Björn Bidar [this message]
2023-10-09 16:40 ` Gerd Möllmann
2023-10-09 17:06 ` Björn Bidar
2023-10-09 17:19 ` Gerd Möllmann
2023-10-09 18:23 ` Alan Mackenzie
2023-10-10 6:21 ` Gerd Möllmann
2023-10-10 10:39 ` Alan Mackenzie
2023-10-10 11:12 ` Gerd Möllmann
2023-10-10 11:58 ` Michael Albinus
2023-10-10 12:17 ` Eli Zaretskii
2023-10-10 13:07 ` Alan Mackenzie
2023-10-11 9:15 ` Andrea Corallo
2023-10-10 8:30 ` Ulrich Mueller
2023-10-10 9:28 ` Gerd Möllmann
2023-10-10 10:53 ` Ulrich Mueller
2023-10-10 11:15 ` Gerd Möllmann
2023-10-10 11:08 ` Differences in *.elc files (was: Re: How to make aot native-compilation and pdmp creation reproduceable) Ulrich Mueller
2023-10-10 11:51 ` Differences in *.elc files Gerd Möllmann
2023-10-10 12:14 ` How to make aot native-compilation and pdmp creation reproduceable Eli Zaretskii
2023-10-10 14:40 ` Björn Bidar
2023-10-10 14:59 ` Ulrich Mueller
2023-10-09 4:28 ` Gerd Möllmann
2023-10-08 7:14 ` Andrea Corallo
2023-10-08 21:38 ` Björn Bidar
2023-10-09 2:34 ` Eli Zaretskii
2023-10-09 4:25 ` Björn Bidar
2023-10-09 4:46 ` Gerd Möllmann
2023-10-09 5:06 ` Gerd Möllmann
2023-10-09 5:47 ` Gerd Möllmann
2023-10-09 11:15 ` Eli Zaretskii
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