git.ipfire.org Git - thirdparty/openembedded/openembedded-core-contrib.git/blob

   1 From 7ccfea413216bddd988823acf4e93421ea0f7f9f Mon Sep 17 00:00:00 2001
   2 From: Khem Raj <raj.khem@gmail.com>
   3 Date: Tue, 16 Aug 2022 18:35:45 -0700
   4 Subject: [PATCH] specify void prototype for functions with no parameters
   5
   6 Compilers defaulting to C99 flag such functions as warning which fails
   7 to compile when using -Werror
   8
   9 Fixes
  10 error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
  11
  12 Upstream-Status: Submitted [https://lists.gnu.org/archive/html/autoconf-patches/2022-08/msg00003.html]
  13 Signed-off-by: Khem Raj <raj.khem@gmail.com>
  14 ---
  15  lib/autoconf/c.m4 | 4 ++--
  16  1 file changed, 2 insertions(+), 2 deletions(-)
  17
  18 --- a/lib/autoconf/c.m4
  19 +++ b/lib/autoconf/c.m4
  20 @@ -127,7 +127,7 @@ m4_if([$2], [main], ,
  21  [/* Override any GCC internal prototype to avoid an error.
  22     Use char because int might match the return type of a GCC
  23     builtin and then its argument prototype would still apply.  */
  24 -char $2 ();])], [return $2 ();])])
  25 +char $2 (void);])], [return $2 ();])])
  26
  27
  28  # AC_LANG_FUNC_LINK_TRY(C)(FUNCTION)
  29 @@ -151,7 +151,7 @@ m4_define([AC_LANG_FUNC_LINK_TRY(C)],
  30  #define $1 innocuous_$1
  31
  32  /* System header to define __stub macros and hopefully few prototypes,
  33 -   which can conflict with char $1 (); below.  */
  34 +   which can conflict with char $1 (void); below.  */
  35
  36  #include <limits.h>
  37  #undef $1
  38 @@ -162,7 +162,7 @@ m4_define([AC_LANG_FUNC_LINK_TRY(C)],
  39  #ifdef __cplusplus
  40  extern "C"
  41  #endif
  42 -char $1 ();
  43 +char $1 (void);
  44  /* The GNU C library defines this for functions which it implements
  45      to always fail with ENOSYS.  Some functions are actually named
  46      something starting with __ and the normal name is an alias.  */
  47 @@ -252,7 +252,7 @@ dnl other built-in extern "C" functions,
  48  dnl when it actually happens.
  49  [AC_LANG_PROGRAM([[$1
  50  namespace conftest {
  51 -  extern "C" int $2 ();
  52 +  extern "C" int $2 (void);
  53  }]],
  54  [[return conftest::$2 ();]])])
  55
  56 @@ -2457,7 +2457,7 @@ using std::strcmp;
  57
  58  namespace {
  59
  60 -void test_exception_syntax()
  61 +void test_exception_syntax(void)
  62  {
  63    try {
  64      throw "test";