GNU bug report logs - #59586
Conflicting types for 'wait' in binutils test program

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: John David Anglin <dave.anglin <at> bell.net>
Subject: bug#59586: closed (Re: bug#59586: Conflicting types for 'wait' in
 binutils test program)
Date: Thu, 01 Dec 2022 02:20:01 +0000

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

Your bug report

#59586: Conflicting types for 'wait' in binutils test program

which was filed against the dejagnu package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 59586 <at> debbugs.gnu.org.

-- 
59586: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=59586
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: Jacob Bachmeyer <jcb62281 <at> gmail.com>
To: John David Anglin <dave.anglin <at> bell.net>
Cc: 59586-done <at> debbugs.gnu.org
Subject: Re: bug#59586: Conflicting types for 'wait' in binutils test program
Date: Wed, 30 Nov 2022 20:19:25 -0600

John David Anglin wrote:
> On 2022-11-28 10:43 p.m., Jacob Bachmeyer wrote:
>> An initial patch has been pushed to Savannah in the 
>> "topic-improved-unit-test" branch.  Please confirm that this resolves 
>> your issues.
>
> The patch fixes the wait conflict in the binutils libsframe on 
> hppa64-hp-hpux11.11.

Since the patch removes wait() entirely, it will also fix other 
platforms.  Thanks for confirming that this was the cause.  The patch is 
now on track to land in 1.6.4, so I am closing this bug report.


-- Jacob

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From: John David Anglin <dave.anglin <at> bell.net>
To: bug-dejagnu <at> gnu.org
Subject: Conflicting types for 'wait' in binutils test program
Date: Fri, 25 Nov 2022 18:44:07 -0500

https://sourceware.org/bugzilla/show_bug.cgi?id=29828

            Bug ID: 29828
           Summary: error: conflicting types for 'wait'
           Product: binutils
           Version: 2.40 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: binutils
          Assignee: unassigned at sourceware dot org
          Reporter: danglin at gcc dot gnu.org
  Target Milestone: ---
              Host: hppa2.0w-hp-hpux11.11
            Target: hppa2.0w-hp-hpux11.11
             Build: hppa2.0w-hp-hpux11.11

make[2]: Entering directory '/home/dave/gnu/binutils/objdir/libsframe'
make  testsuite/libsframe.decode/be-flipping
testsuite/libsframe.decode/frecnt-1
 testsuite/libsframe.decode/frecnt-2 testsuite/libsframe.encode/encode-1
make[3]: Entering directory '/home/dave/gnu/binutils/objdir/libsframe'
gcc -DHAVE_CONFIG_H -I. -I../../src/libsframe -I../../src/libsframe/../include
-Wall  -Wall -Wextra -Wwrite-strings -Wmissing-format-attribute
-Wstrict-prototy
pes -Wmissing-prototypes -O2 -g     -MT
testsuite/libsframe.decode/testsuite_lib
sframe_decode_be_flipping-be-flipping.o -MD -MP -MF
testsuite/libsframe.decode/.
deps/testsuite_libsframe_decode_be_flipping-be-flipping.Tpo -c -o
testsuite/libs
frame.decode/testsuite_libsframe_decode_be_flipping-be-flipping.o `test -f
'test
suite/libsframe.decode/be-flipping.c' || echo
'../../src/libsframe/'`testsuite/l
ibsframe.decode/be-flipping.c
In file included from
../../src/libsframe/testsuite/libsframe.decode/be-flipping
.c:28:
/opt/gnu/include/dejagnu.h:48:1: error: conflicting types for 'wait'
   48 | wait (void)
      | ^~~~
In file included from
/home/opt/gnu/gcc/gcc-10/lib/gcc/hppa2.0w-hp-hpux11.11/10.
3.1/include-fixed/stdlib.h:307,
                 from
../../src/libsframe/testsuite/libsframe.decode/be-flipping
.c:21:
/usr/include/sys/wait.h:74:21: note: previous declaration of 'wait' was here
   74 |        extern pid_t wait(int *);
      |                     ^~~~
make[3]: *** [Makefile:733:
testsuite/libsframe.decode/testsuite_libsframe_decod
e_be_flipping-be-flipping.o] Error 1
make[3]: Target 'testsuite/libsframe.decode/be-flipping' not remade because of
e
rrors.

In dejagnu.h, we have:

void
wait (void)
{
#ifdef_DEJAGNU_WAIT_
  fd_set rfds;
  struct timeval tv;

  FD_ZERO (&rfds);
  tv.tv_sec = 0;
  tv.tv_usec = 1;

  select (0, &rfds, NULL, NULL, &tv);
#endif
}

In fixed stdlib.h, we have:
#ifdef _INCLUDE_XOPEN_SOURCE_EXTENDED
# include <sys/wait.h>     /* For required W* macros */

Seems like a dejagnu bug. dejagnu-1.6.3 is installed.

Dave

-- 
John David Anglin  dave.anglin <at> bell.net

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