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gcc-toolset-13-gdb/SOURCES/gdb-rhbz2143992-libiberty-f...

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From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
From: Keith Seitz <keiths@redhat.com>
Date: Tue, 29 Nov 2022 13:43:34 -0800
Subject: gdb-rhbz2143992-libiberty-fix-c89isms-in-configure.patch
;; libiberty: Fix C89-isms in configure tests
;; (Florian Weimer, RHBZ 2143992)
libiberty/
* acinclude.m4 (ac_cv_func_strncmp_works): Add missing
int return type and parameter list to the definition of main.
Include <stdlib.h> and <string.h> for prototypes.
(ac_cv_c_stack_direction): Add missing
int return type and parameter list to the definitions of
main, find_stack_direction. Include <stdlib.h> for exit
prototype.
* configure: Regenerate.
diff --git a/libiberty/acinclude.m4 b/libiberty/acinclude.m4
--- a/libiberty/acinclude.m4
+++ b/libiberty/acinclude.m4
@@ -24,6 +24,8 @@ AC_CACHE_CHECK([for working strncmp], ac_cv_func_strncmp_works,
[AC_TRY_RUN([
/* Test by Jim Wilson and Kaveh Ghazi.
Check whether strncmp reads past the end of its string parameters. */
+#include <stdlib.h>
+#include <string.h>
#include <sys/types.h>
#ifdef HAVE_FCNTL_H
@@ -51,7 +53,8 @@ AC_CACHE_CHECK([for working strncmp], ac_cv_func_strncmp_works,
#define MAP_LEN 0x10000
-main ()
+int
+main (void)
{
#if defined(HAVE_MMAP) || defined(HAVE_MMAP_ANYWHERE)
char *p;
@@ -157,7 +160,10 @@ if test $ac_cv_os_cray = yes; then
fi
AC_CACHE_CHECK(stack direction for C alloca, ac_cv_c_stack_direction,
-[AC_TRY_RUN([find_stack_direction ()
+[AC_TRY_RUN([#include <stdlib.h>
+
+int
+find_stack_direction (void)
{
static char *addr = 0;
auto char dummy;
@@ -169,7 +175,9 @@ AC_CACHE_CHECK(stack direction for C alloca, ac_cv_c_stack_direction,
else
return (&dummy > addr) ? 1 : -1;
}
-main ()
+
+int
+main (void)
{
exit (find_stack_direction() < 0);
}],
diff --git a/libiberty/configure b/libiberty/configure
--- a/libiberty/configure
+++ b/libiberty/configure
@@ -6918,7 +6918,10 @@ else
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-find_stack_direction ()
+#include <stdlib.h>
+
+int
+find_stack_direction (void)
{
static char *addr = 0;
auto char dummy;
@@ -6930,7 +6933,9 @@ find_stack_direction ()
else
return (&dummy > addr) ? 1 : -1;
}
-main ()
+
+int
+main (void)
{
exit (find_stack_direction() < 0);
}
@@ -7755,6 +7760,8 @@ else
/* Test by Jim Wilson and Kaveh Ghazi.
Check whether strncmp reads past the end of its string parameters. */
+#include <stdlib.h>
+#include <string.h>
#include <sys/types.h>
#ifdef HAVE_FCNTL_H
@@ -7782,7 +7789,8 @@ else
#define MAP_LEN 0x10000
-main ()
+int
+main (void)
{
#if defined(HAVE_MMAP) || defined(HAVE_MMAP_ANYWHERE)
char *p;