From e7e7323ff01684262c9ea9fd09913f558dace2e0 Mon Sep 17 00:00:00 2001
From: Stephen Birarda <commit@birarda.com>
Date: Tue, 24 Feb 2015 15:00:41 -0800
Subject: [PATCH] pass 10.9 SDK as CMAKE_OSX_SYSROOT

---
 CMakeLists.txt | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index bc67d622de..5deecb4be5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -88,8 +88,17 @@ endif ()
 
 set(CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH} ${QT_CMAKE_PREFIX_PATH})
 
-# set our OS X deployment target to
-set(CMAKE_OSX_DEPLOYMENT_TARGET 10.8)
+if (APPLE)
+  # set our OS X deployment target
+  set(CMAKE_OSX_DEPLOYMENT_TARGET 10.8)
+  
+  # find the 10.9 SDK path
+  execute_process(COMMAND xcodebuild -sdk -version OUTPUT_VARIABLE XCODE_SDK_VERSIONS)
+  string(REGEX MATCH \\/.+MacOSX10.9.sdk OSX_SDK_PATH ${XCODE_SDK_VERSIONS})
+  
+  # set that as the SDK to use
+  set(CMAKE_OSX_SYSROOT ${OSX_SDK_PATH})
+endif ()
 
 # Find includes in corresponding build directories
 set(CMAKE_INCLUDE_CURRENT_DIR ON)