-# define __noreturn __attribute__ ((noreturn))
+#define HAVE_GNUC(maj, min) \
+ defined(__GNUC__) && \
+ (__GNUC__ > maj || (__GNUC__ == maj && __GNUC_MINOR__ >= min))
+
+#if HAVE_GNUC(3,0)
# define __malloc __attribute__ ((malloc))
-# define __a_unused __attribute__ ((unused))
+#else
+# define __malloc
+#endif
+
/*
* p is the number of the "format string" parameter, and q is
* the number of the first variadic parameter
*/
+#if HAVE_GNUC(2,3)
# define __printf(p,q) __attribute__ ((format (printf, p, q)))
-/*
- * as direct use of __printf(p,q) confuses doxygen, here are two extra macros
- * for those values p,q that are actually used by paraslash.
- */
+#else
+# define __printf(p,q)
+#endif
+
#define __printf_1_2 __printf(1,2)
-#define __printf_2_3 __printf(2,3)
-# if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 3)
+#if HAVE_GNUC(3,3)
# define __must_check __attribute__ ((warn_unused_result))
-# else
+#else
# define __must_check /* no warn_unused_result */
-# endif
-
-#define _static_inline_ static inline
+#endif