AC_DEFUN([gl_COMMON_BODY], [
AH_VERBATIM([_Noreturn],
[/* The _Noreturn keyword of C11. */
-#ifndef _Noreturn
+#if !defined _Noreturn && __STDC_VERSION__ < 201112
# if (3 <= __GNUC__ || (__GNUC__ == 2 && 8 <= __GNUC_MINOR__) \
|| 0x5110 <= __SUNPRO_C)
# define _Noreturn __attribute__ ((__noreturn__))