drop support for pre ISO-C compilers

[uclinux-h8/uClibc.git] / include / sys / cdefs.h

diff --git a/include/sys/cdefs.h b/include/sys/cdefs.h
index e292051..6f81b6a 100644 (file)
--- a/include/sys/cdefs.h
+++ b/include/sys/cdefs.h
@@ -13,9 +13,8 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
 
 #ifndef        _SYS_CDEFS_H
 #define        _SYS_CDEFS_H    1
@@ -63,10 +62,6 @@
 # define __THROW
 # define __NTH(fct)    fct
 
-# define __const       const
-# define __signed      signed
-# define __volatile    volatile
-
 #endif /* GCC.  */
 
 /* These two macros are not used in glibc anymore.  They are kept here
@@ -120,14 +115,6 @@
 #endif
 
 
-/* Support for bounded pointers.  */
-#ifndef __BOUNDED_POINTERS__
-# define __bounded     /* nothing */
-# define __unbounded   /* nothing */
-# define __ptrvalue    /* nothing */
-#endif
-
-
 /* Fortify support.  */
 #define __bos(ptr) __builtin_object_size (ptr, __USE_FORTIFY_LEVEL > 1)
 #define __bos0(ptr) __builtin_object_size (ptr, 0)
@@ -298,9 +285,11 @@
 #endif
 
 /* GCC 4.3 and above with -std=c99 or -std=gnu99 implements ISO C99
-   inline semantics, unless -fgnu89-inline is used.  */
+   inline semantics, unless -fgnu89-inline is used.
+   For -std=gnu99, forcing gnu_inline attribute does not change behavior,
+   but may silence spurious warnings (such as in GCC 4.2).  */
 #if !defined __cplusplus || __GNUC_PREREQ (4,3)
-# if defined __GNUC_STDC_INLINE__ || defined __cplusplus
+# if defined __GNUC_STDC_INLINE__ || defined __GNUC_GNU_INLINE__ || defined __cplusplus
 #  define __extern_inline extern __inline __attribute__ ((__gnu_inline__))
 #  if __GNUC_PREREQ (4,3)
 #   define __extern_always_inline \