From: Jerome Guitton <guitton@adacore.com>
Date: Tue, 26 Apr 2005 09:43:17 +0000 (+0000)
Subject: 	* bfd.m4 (BFD_NEED_DECLARATION): Restore.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8e5b6e16eebcf9e43a756b412a25d8c85d3e62de;p=binutils-gdb.git

	* bfd.m4 (BFD_NEED_DECLARATION): Restore.
---

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 41a0ead0fcf..bf49cc0e424 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,7 @@
+2005-04-26  Jerome Guitton  <guitton@gnat.com>
+
+	* bfd.m4 (BFD_NEED_DECLARATION): Restore.
+
 2005-04-25  David S. Miller  <davem@davemloft.net>
 
 	* elfxx-sparc.c (sparc_elf_append_rela_64): Add BFD64 protection.
diff --git a/bfd/bfd.m4 b/bfd/bfd.m4
index 1d7d53a1f21..cb0cb464638 100644
--- a/bfd/bfd.m4
+++ b/bfd/bfd.m4
@@ -1,6 +1,36 @@
 dnl This file was derived from acinclude.m4.
 
 
+dnl See whether we need a declaration for a function.
+
+AC_DEFUN([BFD_NEED_DECLARATION],
+[AC_MSG_CHECKING([whether $1 must be declared])
+AC_CACHE_VAL(bfd_cv_decl_needed_$1,
+[AC_TRY_COMPILE([
+#include <stdio.h>
+#ifdef HAVE_STRING_H
+#include <string.h>
+#else
+#ifdef HAVE_STRINGS_H
+#include <strings.h>
+#endif
+#endif
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif],
+[char *(*pfn) = (char *(*)) $1],
+bfd_cv_decl_needed_$1=no, bfd_cv_decl_needed_$1=yes)])
+AC_MSG_RESULT($bfd_cv_decl_needed_$1)
+if test $bfd_cv_decl_needed_$1 = yes; then
+  AC_DEFINE([NEED_DECLARATION_]translit($1, [a-z], [A-Z]), 1,
+	    [Define if $1 is not declared in system header files.])
+fi
+])dnl
+
+
 dnl Check for existence of a type $1 in sys/procfs.h
 
 AC_DEFUN([BFD_HAVE_SYS_PROCFS_TYPE],