From df7b6fb380b0ea23b42a1c756720325bc36b29eb Mon Sep 17 00:00:00 2001
From: Bjorn Winckler <bjorn.winckler@gmail.com>
Date: Mon, 7 Oct 2013 18:22:34 +0200
Subject: [PATCH] Always pull in AvailabilityMacros.h

This fixes a compilation problem on OS X 10.9.  Patch by
@felixbuenemann.
---
 src/os_mac.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/os_mac.h b/src/os_mac.h
index 78b79c2e16..9546b6d36e 100644
--- a/src/os_mac.h
+++ b/src/os_mac.h
@@ -16,6 +16,11 @@
 # define OPAQUE_TOOLBOX_STRUCTS 0
 #endif
 
+/* Include MAC_OS_X_VERSION_* macros (needed for OS X 10.9, should be supported
+ * as of OS X 10.2)
+ * */
+#include <AvailabilityMacros.h>
+
 /*
  * Macintosh machine-dependent things.
  *