gcc 2.95.x does not like __attribute__ on typedefs

skeletons/asn_application.h

@@ -36,8 +36,7 @@ typedef int (asn_app_consume_bytes_f)(const void *buffer, size_t size,
 typedef void (asn_app_constraint_failed_f)(void *application_specific_key,
 	struct asn_TYPE_descriptor_s *type_descriptor_which_failed,
 	const void *structure_which_failed_ptr,
-	const char *error_message_format, ...)
-	__attribute__((format(printf, 4, 5)));
+	const char *error_message_format, ...) GCC_PRINTFLIKE(4, 5);
 
 #ifdef __cplusplus
 }

skeletons/asn_system.h

@@ -78,8 +78,14 @@ typedef	unsigned int	uint32_t;
 
 #endif	/* WIN32 */
 
-#ifndef	__GNUC__
-#define	__attribute__(ignore)
+#if	__GNUC__ >= 3
+#ifndef	GCC_PRINTFLIKE
+#define	GCC_PRINTFLIKE(fmt,var)	__attribute__((format(printf,fmt,var)))
+#endif
+#else
+#ifndef	GCC_PRINTFLIKE
+#define	GCC_PRINTFLIKE(fmt,var)	/* nothing */
+#endif
 #endif
 
 #ifndef	offsetof	/* If not defined by <stddef.h> */