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From: Ed Schouten <ed@FreeBSD.org>
Date: Mon, 26 Dec 2011 18:49:57 +0000 (UTC)
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Subject: svn commit: r228900 - head/sys/sys
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Author: ed
Date: Mon Dec 26 18:49:56 2011
New Revision: 228900
URL: http://svn.freebsd.org/changeset/base/228900

Log:
  Add cdefs-magic to add optional C11 bits to headers.

Modified:
  head/sys/sys/cdefs.h

Modified: head/sys/sys/cdefs.h
==============================================================================
--- head/sys/sys/cdefs.h	Mon Dec 26 18:12:27 2011	(r228899)
+++ head/sys/sys/cdefs.h	Mon Dec 26 18:49:56 2011	(r228900)
@@ -609,11 +609,16 @@
 #define	__XSI_VISIBLE		0
 #define	__BSD_VISIBLE		0
 #define	__ISO_C_VISIBLE		1999
+#elif defined(_C11_SOURCE)	/* Localism to specify strict C11 env. */
+#define	__POSIX_VISIBLE		0
+#define	__XSI_VISIBLE		0
+#define	__BSD_VISIBLE		0
+#define	__ISO_C_VISIBLE		2011
 #else				/* Default environment: show everything. */
 #define	__POSIX_VISIBLE		200809
 #define	__XSI_VISIBLE		700
 #define	__BSD_VISIBLE		1
-#define	__ISO_C_VISIBLE		1999
+#define	__ISO_C_VISIBLE		2011
 #endif
 #endif