From 2cfff24f6d59402ef3616c1e5d253e1ab1c77867 Mon Sep 17 00:00:00 2001
From: David Reid <dreid@dreid.org>
Date: Thu, 12 Dec 2013 13:26:31 -0800
Subject: Supress the deprecation warnings by including an __APPLE__ only
 preamble.

---
 cryptography/hazmat/bindings/openssl/backend.py | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/cryptography/hazmat/bindings/openssl/backend.py b/cryptography/hazmat/bindings/openssl/backend.py
index 1b19ddaa..d093684e 100644
--- a/cryptography/hazmat/bindings/openssl/backend.py
+++ b/cryptography/hazmat/bindings/openssl/backend.py
@@ -111,8 +111,19 @@ class Backend(object):
         # is legal, but the following will fail to compile:
         #   int foo(int);
         #   int foo(short);
+
+        preamble = [
+"""
+#ifdef __APPLE__
+# include <AvailabilityMacros.h>
+# undef DEPRECATED_IN_MAC_OS_X_VERSION_10_7_AND_LATER
+# define DEPRECATED_IN_MAC_OS_X_VERSION_10_7_AND_LATER
+#endif
+"""
+        ]
+
         lib = ffi.verify(
-            source="\n".join(includes + functions + customizations),
+            source="\n".join(preamble + includes + functions + customizations),
             libraries=["crypto", "ssl"],
         )
 
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