2005-05-04 H.J. Lu <hongjiu.lu@intel.com>

[pf3gnuchains/gcc-fork.git] / include / ansidecl.h

diff --git a/include/ansidecl.h b/include/ansidecl.h
index 4b3eae9..2eeccf2 100644 (file)
--- a/include/ansidecl.h
+++ b/include/ansidecl.h
@@ -149,7 +149,12 @@ So instead we use the macro below and test it against specific values.  */
 #define PTRCONST       void *const
 #define LONG_DOUBLE    long double
 
+/* PARAMS is often defined elsewhere (e.g. by libintl.h), so wrap it in
+   a #ifndef.  */
+#ifndef PARAMS
 #define PARAMS(ARGS)           ARGS
+#endif
+
 #define VPARAMS(ARGS)          ARGS
 #define VA_START(VA_LIST, VAR) va_start(VA_LIST, VAR)
 
@@ -264,6 +269,14 @@ So instead we use the macro below and test it against specific values.  */
 #define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
 #endif /* ATTRIBUTE_UNUSED */
 
+/* Before GCC 3.4, the C++ frontend couldn't parse attributes placed after the
+   identifier name.  */
+#if ! defined(__cplusplus) || (GCC_VERSION >= 3004)
+# define ARG_UNUSED(NAME) NAME ATTRIBUTE_UNUSED
+#else /* !__cplusplus || GNUC >= 3.4 */
+# define ARG_UNUSED(NAME) NAME
+#endif /* !__cplusplus || GNUC >= 3.4 */
+
 #ifndef ATTRIBUTE_NORETURN
 #define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
 #endif /* ATTRIBUTE_NORETURN */
@@ -314,6 +327,15 @@ So instead we use the macro below and test it against specific values.  */
 # define ATTRIBUTE_NULL_PRINTF_5 ATTRIBUTE_NULL_PRINTF(5, 6)
 #endif /* ATTRIBUTE_NULL_PRINTF */
 
+/* Attribute `sentinel' was valid as of gcc 3.5.  */
+#ifndef ATTRIBUTE_SENTINEL
+# if (GCC_VERSION >= 3005)
+#  define ATTRIBUTE_SENTINEL __attribute__ ((__sentinel__))
+# else
+#  define ATTRIBUTE_SENTINEL
+# endif /* GNUC >= 3.5 */
+#endif /* ATTRIBUTE_SENTINEL */
+
 /* We use __extension__ in some places to suppress -pedantic warnings
    about GCC extensions.  This feature didn't work properly before
    gcc 2.8.  */