+#if defined(__GNUC__) && !defined(ASN1_INTERNAL_BUILD)
+# define _ASN1_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
+# if _ASN1_GCC_VERSION >= 30100
+# define _ASN1_GCC_ATTR_DEPRECATED __attribute__ ((__deprecated__))
+# endif
+#endif
+
+#ifndef _ASN1_GCC_ATTR_DEPRECATED
+#define _ASN1_GCC_ATTR_DEPRECATED
+#endif
+