--- /dev/null
+#if !defined _Noreturn && __STDC_VERSION__ < 201112
+# if (3 <= __GNUC__ || (__GNUC__ == 2 && 8 <= __GNUC_MINOR__) \
+ || 0x5110 <= __SUNPRO_C)
+# define _Noreturn __attribute__ ((__noreturn__))
+# elif 1200 <= _MSC_VER
+# define _Noreturn __declspec (noreturn)
+# else
+# define _Noreturn
+# endif
+#endif