From c4c4124473c187b5c4642611390897666c3d3970 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri, 28 Mar 2014 11:59:41 -0700
Subject: misc/sys/cdefs.h: Add _Noreturn macro for pre-C11 compilers

2014-07-02  Will Newton  <will.newton@linaro.org>
	    Paul Eggert  <eggert@cs.ucla.edu>

	* misc/sys/cdefs.h (_Noreturn): New macro, for pre-C11 compilers.
---
 ChangeLog        | 5 +++++
 misc/sys/cdefs.h | 8 ++++++++
 2 files changed, 13 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 7401bf20f3..934c47c664 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2014-07-02  Will Newton  <will.newton@linaro.org>
+	    Paul Eggert  <eggert@cs.ucla.edu>
+
+	* misc/sys/cdefs.h (_Noreturn): New macro, for pre-C11 compilers.
+
 2014-07-02  Siddhesh Poyarekar  <siddhesh@redhat.com>
 
 	* resolv/gethnamaddr.c: Add comment warning that the file is
diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h
index 4d958ea066..a5c3224a64 100644
--- a/misc/sys/cdefs.h
+++ b/misc/sys/cdefs.h
@@ -382,6 +382,14 @@
 # define __glibc_likely(cond)	(cond)
 #endif
 
+#if !defined _Noreturn && __STDC_VERSION__ < 201112 && !__GNUC_PREREQ (4,7)
+# if __GNUC_PREREQ (2,8)
+#  define _Noreturn __attribute__ ((__noreturn__))
+# else
+#  define _Noreturn
+# endif
+#endif
+
 #include <bits/wordsize.h>
 
 #if defined __LONG_DOUBLE_MATH_OPTIONAL && defined __NO_LONG_DOUBLE_MATH
-- 
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