GNU bug report logs - #78032
new compilation error

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Package: diffutils;

Reported by: Bruno Haible <bruno <at> clisp.org>

Date: Thu, 24 Apr 2025 10:58:08 UTC

Severity: normal

Done: Paul Eggert <eggert <at> cs.ucla.edu>

Bug is archived. No further changes may be made.

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Report forwarded to bug-diffutils <at> gnu.org:
bug#78032; Package diffutils. (Thu, 24 Apr 2025 10:58:11 GMT) Full text and rfc822 format available.
Acknowledgement sent to Bruno Haible <bruno <at> clisp.org>:
New bug report received and forwarded. Copy sent to bug-diffutils <at> gnu.org. (Thu, 24 Apr 2025 10:58:11 GMT) Full text and rfc822 format available.

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

From: Bruno Haible <bruno <at> clisp.org>
To: bug-diffutils <at> gnu.org
Subject: new compilation error
Date: Thu, 24 Apr 2025 12:57:02 +0200

Hi Paul,

The CI reports a compilation error of GNU diffutils, caused by the
most recent commit 45a4762bf3241e7fb6a2e01d382791ae44236841 .

Error seen on CentOS 7 (with gcc):

../../src/sdiff.c: In function 'edit':
../../src/sdiff.c:884:8: error: a label can only be part of a statement and a declaration is not a statement
        int cmd1 = skip_white ();
        ^
make[2]: *** [sdiff.o] Error 1

Errors seen on macOS 15 and FreeBSD (with clang):

../../src/sdiff.c:884:8: error: expected expression
  884 |               int cmd1 = skip_white ();
      |               ^
../../src/sdiff.c:885:23: error: use of undeclared identifier 'cmd1'; did you mean 'cmd'?
  885 |               switch (cmd1)
      |                       ^~~~
      |                       cmd
...

Bruno
Reply sent to Paul Eggert <eggert <at> cs.ucla.edu>:
You have taken responsibility. (Mon, 28 Apr 2025 06:46:01 GMT) Full text and rfc822 format available.
Notification sent to Bruno Haible <bruno <at> clisp.org>:
bug acknowledged by developer. (Mon, 28 Apr 2025 06:46:01 GMT) Full text and rfc822 format available.

Message #10 received at 78032-done <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Bruno Haible <bruno <at> clisp.org>
Cc: 78032-done <at> debbugs.gnu.org
Subject: Re: [bug-diffutils] bug#78032: new compilation error
Date: Sun, 27 Apr 2025 23:44:57 -0700

[Message part 1 (text/plain, inline)]
On 2025-04-24 03:57, Bruno Haible via bug-diffutils via All diffutils 
discussion. wrote:
> ../../src/sdiff.c: In function 'edit':
> ../../src/sdiff.c:884:8: error: a label can only be part of a statement and a declaration is not a statement
>          int cmd1 = skip_white ();

Thanks for reporting that. I installed the attached to fix it.
[0001-sdiff-port-back-to-C17.patch (text/x-patch, attachment)]
bug archived. Request was from Debbugs Internal Request <help-debbugs <at> gnu.org> to internal_control <at> debbugs.gnu.org. (Mon, 26 May 2025 11:24:08 GMT) Full text and rfc822 format available.
This bug report was last modified 23 days ago.

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