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

Previous Next

To add a comment to this bug, you must first unarchive it, by sending
a message to control AT debbugs.gnu.org, with unarchive 72036 in the body.
You can then email your comments to 72036 AT debbugs.gnu.org in the normal way.

Toggle the display of automated, internal messages from the tracker.

Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

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))
      |                                                      ^~~

Message #8 received at 72036 <at> debbugs.gnu.org (full text, mbox):

From: Pip Cet <pipcet <at> protonmail.com>
To: Gerd Möllmann <gerd.moellmann <at> gmail.com>,
 "eggert <at> cs.ucla.edu" <eggert <at> cs.ucla.edu>,
 "meyering <at> meta.com" <meyering <at> meta.com>
Cc: 72036 <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 15:38:56 +0000

[Message part 1 (text/plain, inline)]

(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.

Pip

[0001-timespec-sub-Fix-compilation-error-on-clang.patch (text/x-patch, attachment)]

Message #11 received at 72036 <at> debbugs.gnu.org (full text, mbox):

From: Gerd Möllmann <gerd.moellmann <at> gmail.com>
To: Pip Cet <pipcet <at> protonmail.com>
Cc: "eggert <at> cs.ucla.edu" <eggert <at> cs.ucla.edu>,
 "meyering <at> meta.com" <meyering <at> meta.com>, 72036 <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 18:16:07 +0200

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!

Message #16 received at 72036-done <at> debbugs.gnu.org (full text, mbox):

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

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.