[Bug 281633] devel/readline: Fix API when used with -Wstrict-prototypes

From: <bugzilla-noreply_at_freebsd.org>
Date: Sat, 21 Sep 2024 17:18:29 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=281633

            Bug ID: 281633
           Summary: devel/readline: Fix API when used with
                    -Wstrict-prototypes
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: sunpoet@FreeBSD.org
          Reporter: arrowd@FreeBSD.org
          Assignee: sunpoet@FreeBSD.org
             Flags: maintainer-feedback?(sunpoet@FreeBSD.org)

When building multimedia/pipewire with newest Clang and without this patch I
get

/usr/local/include/readline/rltypedefs.h:35:22: error: a function declaration
without a prototype is deprecated in all versions of C
[-Werror,-Wstrict-prototypes]
   35 | typedef int Function () __attribute__((deprecated));
      |                      ^
      |                       void
/usr/local/include/readline/rltypedefs.h:36:24: error: a function declaration
without a prototype is deprecated in all versions of C
[-Werror,-Wstrict-prototypes]
   36 | typedef void VFunction () __attribute__((deprecated));
      |                        ^
      |                         void
/usr/local/include/readline/rltypedefs.h:37:26: error: a function declaration
without a prototype is deprecated in all versions of C
[-Werror,-Wstrict-prototypes]
   37 | typedef char *CPFunction () __attribute__((deprecated));
      |                          ^
      |                           void
/usr/local/include/readline/rltypedefs.h:38:28: error: a function declaration
without a prototype is deprecated in all versions of C
[-Werror,-Wstrict-prototypes]
   38 | typedef char **CPPFunction () __attribute__((deprecated));
      |                            ^
      |                             void
In file included from ../src/tools/pw-cli.c:19:
/usr/local/include/readline/readline.h:410:23: error: a function declaration
without a prototype is deprecated in all versions of C
[-Werror,-Wstrict-prototypes]
  410 | extern int rl_message ();
      |                       ^
      |                        void

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