From 6ea3c9b22a3e81e6484a30c1d64c6a859a40da6a Mon Sep 17 00:00:00 2001
From: Ned Deily <nad@acm.org>
Date: Fri, 18 Oct 2013 21:33:57 -0700
Subject: [PATCH] Ensure setup.py looks for zlib.h in an OS X SDK.

---
 setup.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/setup.py b/setup.py
index bb7f29595d..de4392ff39 100644
--- a/setup.py
+++ b/setup.py
@@ -1389,6 +1389,8 @@ class PyBuildExt(build_ext):
             zlib_h = zlib_inc[0] + '/zlib.h'
             version = '"0.0.0"'
             version_req = '"1.1.3"'
+            if host_platform == 'darwin' and is_macosx_sdk_path(zlib_h):
+                zlib_h = os.path.join(macosx_sdk_root(), zlib_h[1:])
             fp = open(zlib_h)
             while 1:
                 line = fp.readline()
-- 
2.50.1