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-rw-r--r--include/sys/cdefs.h40
1 files changed, 38 insertions, 2 deletions
diff --git a/include/sys/cdefs.h b/include/sys/cdefs.h
index 8daac15ef..e2920510a 100644
--- a/include/sys/cdefs.h
+++ b/include/sys/cdefs.h
@@ -1,4 +1,5 @@
-/* Copyright (C) 1992-2001, 2002, 2004, 2005 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2001, 2002, 2004, 2005, 2006, 2007
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -130,8 +131,18 @@
/* Fortify support. */
#define __bos(ptr) __builtin_object_size (ptr, __USE_FORTIFY_LEVEL > 1)
#define __bos0(ptr) __builtin_object_size (ptr, 0)
-#define __warndecl(name, msg) extern void name (void)
+#if __GNUC_PREREQ (4,3)
+# define __warndecl(name, msg) \
+ extern void name (void) __attribute__((__warning__ (msg)))
+# define __warnattr(msg) __attribute__((__warning__ (msg)))
+# define __errordecl(name, msg) \
+ extern void name (void) __attribute__((__error__ (msg)))
+#else
+# define __warndecl(name, msg) extern void name (void)
+# define __warnattr(msg)
+# define __errordecl(name, msg) extern void name (void)
+#endif
/* Support for flexible arrays. */
#if __GNUC_PREREQ (2,97)
@@ -286,6 +297,31 @@
# define __always_inline __inline
#endif
+/* GCC 4.3 and above with -std=c99 or -std=gnu99 implements ISO C99
+ inline semantics, unless -fgnu89-inline is used. */
+#if !defined __cplusplus || __GNUC_PREREQ (4,3)
+# if defined __GNUC_STDC_INLINE__ || defined __cplusplus
+# define __extern_inline extern __inline __attribute__ ((__gnu_inline__))
+# if __GNUC_PREREQ (4,3)
+# define __extern_always_inline \
+ extern __always_inline __attribute__ ((__gnu_inline__, __artificial__))
+# else
+# define __extern_always_inline \
+ extern __always_inline __attribute__ ((__gnu_inline__))
+# endif
+# else
+# define __extern_inline extern __inline
+# define __extern_always_inline extern __always_inline
+# endif
+#endif
+
+/* GCC 4.3 and above allow passing all anonymous arguments of an
+ __extern_always_inline function to some other vararg function. */
+#if __GNUC_PREREQ (4,3)
+# define __va_arg_pack() __builtin_va_arg_pack ()
+# define __va_arg_pack_len() __builtin_va_arg_pack_len ()
+#endif
+
/* It is possible to compile containing GCC extensions even if GCC is
run in pedantic mode if the uses are carefully marked using the
`__extension__' keyword. But this is not generally available before