GNU bug report logs - #73318
31.0.50; with-native-compilation=aot breaks exec -a emacs

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Message #20 received at 73318 <at> debbugs.gnu.org (full text, mbox):

From: Ship Mints <shipmints <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: sbaugh <at> janestreet.com, larsi <at> gnus.org, acorallo <at> gnu.org,
 73318 <at> debbugs.gnu.org
Subject: Re: bug#73318: 31.0.50;
 with-native-compilation=aot breaks exec -a emacs
Date: Tue, 17 Sep 2024 15:22:18 -0400

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I think the kind of "unreliability" in question is, for example, when a
process starts and unlinks itself. I doubt Emacs will ever do this. Using
the proc file system is "technically" unreliable, unable to cover 100% of
all potential cases, but is practically reliable, especially in this case.

On Tue, Sep 17, 2024 at 3:07 PM Eli Zaretskii <eliz <at> gnu.org> wrote:

> > From: Ship Mints <shipmints <at> gmail.com>
> > Date: Tue, 17 Sep 2024 14:14:54 -0400
> > Cc: Spencer Baugh <sbaugh <at> janestreet.com>, 73318 <at> debbugs.gnu.org,
> larsi <at> gnus.org,
> >       acorallo <at> gnu.org
> >
> > Google's build system, gn, used for Chromium, et.al., has support for
> this which can provide some inspiration
> > for most of the major platforms on which Emacs runs; qv
> > https://gn.googlesource.com/gn/+/refs/heads/main/src/util/exe_path.cc
>
> Thanks.  That's exactly the method that I was told was unreliable on
> GNU/Linux.  I don't know enough to argue with people who said that
> about this particular feature.
>

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