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From: Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
To: Paul Eggert <eggert@cs.ucla.edu>
Cc: 72145@debbugs.gnu.org
Subject: bug#72145: rare Emacs screwups on x86 due to GCC bug 58416
Date: Thu, 18 Jul 2024 10:39:42 +0800	[thread overview]
Message-ID: <87msmfxw29.fsf@yahoo.com> (raw)
In-Reply-To: <6f37e80e-6226-428c-a89d-e6fda856e32d@cs.ucla.edu> (Paul Eggert's message of "Wed, 17 Jul 2024 14:56:49 -0700")

Paul Eggert <eggert@cs.ucla.edu> writes:

> On 2024-07-16 22:01, Paul Eggert wrote:
>> We could add an AC_RUN_IFELSE test for SSE2, though I doubt whether
>> it would affect builds significantly in practice.
>
> On second thought the rare Arch or Gentoo user could still be building
> Emacs for the Pentium III, and for such a user a run-time test on the
> build host would be a win. This can be done via the attached revised
> patch. It uses AC_LINK_IFELSE to compile and run a single program,
> instead of AC_RUN_IFELSE which (when combined with AC_COMPILE_IFELSE)
> would mean compiling two test programs and running one.

I'm thinking of the computer where I produce binaries for Windows 9X,
which, being a Windows 98 system, probably does not support SSE2.





  reply	other threads:[~2024-07-18  2:39 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-07-16 23:26 bug#72145: rare Emacs screwups on x86 due to GCC bug 58416 Paul Eggert
2024-07-17  0:57 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-07-17  5:01   ` Paul Eggert
2024-07-17 21:56     ` Paul Eggert
2024-07-18  2:39       ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors [this message]
2024-07-18  5:14         ` Eli Zaretskii
2024-07-18  3:22 ` Richard Stallman
2024-07-18 12:38   ` Paul Eggert
2024-07-18 15:19     ` Pip Cet via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-07-19 21:31       ` Paul Eggert
2024-08-22  6:44         ` Paul Eggert
2024-07-18 14:19 ` Andrea Corallo

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