diff --git a/gl/regex_internal.h b/gl/regex_internal.h
index dc322ec587466b4ef09ef8ff0062828bd3c35550..2cb8c4d0b7cbdf85f3ba2555f90007d72ce690a0 100644 (file)
--- a/gl/regex_internal.h
+++ b/gl/regex_internal.h
/* Extended regular expression matching and search library.
- Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
- Free Software Foundation, Inc.
+ Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free
+ Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
#include <stdlib.h>
#include <string.h>
-#ifdef _LIBC
-# include <langinfo.h>
-#else
+#include <langinfo.h>
+#ifndef _LIBC
# include "localcharset.h"
#endif
#if defined HAVE_LOCALE_H || defined _LIBC
}
#endif /* RE_ENABLE_I18N */
+#ifndef __GNUC_PREREQ
+# if defined __GNUC__ && defined __GNUC_MINOR__
+# define __GNUC_PREREQ(maj, min) \
+ ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
+# else
+# define __GNUC_PREREQ(maj, min) 0
+# endif
+#endif
+
+#if __GNUC_PREREQ (3,4)
+# undef __attribute_warn_unused_result__
+# define __attribute_warn_unused_result__ \
+ __attribute__ ((__warn_unused_result__))
+#else
+# define __attribute_warn_unused_result__ /* empty */
+#endif
+
#endif /* _REGEX_INTERNAL_H */