GNU bug report logs - #72036
31.0.50; master doesn't build on macOS with clang 18

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Pip Cet <pipcet <at> protonmail.com>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#72036: closed (31.0.50; master doesn't build on macOS with
 clang 18)
Date: Wed, 10 Jul 2024 16:30:02 +0000

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Your message dated Wed, 10 Jul 2024 16:29:30 +0000
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and subject line Re: bug#72036: 31.0.50; master doesn't build on macOS with clang 18
has caused the debbugs.gnu.org bug report #72036,
regarding 31.0.50; master doesn't build on macOS with clang 18
to be marked as done.

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From: Gerd Möllmann <gerd.moellmann <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 31.0.50; master doesn't build on macOS with clang 18
Date: Wed, 10 Jul 2024 16:09:50 +0200

master, HEAD a29a385ee5ea938ed17d94622c7bfd0a10e84830

timespec-sub.c:38:12: error: operand argument to checked integer operation must be an integer type
      other than plain 'char', 'bool', bit-precise, or an enumeration ('bool' invalid)
   38 |   if (v == ckd_sub (&rs, rs, borrow))
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~
/opt/homebrew/Cellar/llvm/18.1.8/lib/clang/18/include/stdckdint.h:38:54: note: expanded from macro
      'ckd_sub'
   38 | #define ckd_sub(R, A, B) __builtin_sub_overflow((A), (B), (R))
      |                                                      ^~~

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From: Pip Cet <pipcet <at> protonmail.com>
To: Gerd Möllmann <gerd.moellmann <at> gmail.com>
Cc: "eggert <at> cs.ucla.edu" <eggert <at> cs.ucla.edu>,
 "meyering <at> meta.com" <meyering <at> meta.com>,
 "72036-done <at> debbugs.gnu.org" <72036-done <at> debbugs.gnu.org>
Subject: Re: bug#72036: 31.0.50; master doesn't build on macOS with clang 18
Date: Wed, 10 Jul 2024 16:29:30 +0000

On Wednesday, July 10th, 2024 at 16:16, Gerd Möllmann <gerd.moellmann <at> gmail.com> wrote:
> Pip Cet pipcet <at> protonmail.com writes:
> 
> > (CC'ing Paul Eggert and Jim Meyering, the relevant gnulib maintainers).
> > 
> > On Wednesday, July 10th, 2024 at 14:09, Gerd Möllmann gerd.moellmann <at> gmail.com wrote:
> > 
> > > master, HEAD a29a385ee5ea938ed17d94622c7bfd0a10e84830
> > > 
> > > timespec-sub.c:38:12: error: operand argument to checked integer operation must be an integer type
> > > other than plain 'char', 'bool', bit-precise, or an enumeration ('bool' invalid)
> > > 38 | if (v == ckd_sub (&rs, rs, borrow))
> > > | ^~~~~~~~~~~~~~~~~~~~~~~~~
> > > /opt/homebrew/Cellar/llvm/18.1.8/lib/clang/18/include/stdckdint.h:38:54: note: expanded from macro
> > > 'ckd_sub'
> > > 38 | #define ckd_sub(R, A, B) __builtin_sub_overflow((A), (B), (R))
> > > | ^~~
> > 
> > The attached patch to gnulib helps here. I'm using clang version
> > 18.1.8 and the testdir-all build fails if I ./configure CC=clang.
> 
> 
> Thanks!

Closing this optimistically as Paul pushed a fix.

Pip

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