diff -Nru simgear-3.6.0~4347+gitfdcef8e/CMakeLists.txt simgear-3.6.0~4348+gita52d354/CMakeLists.txt
--- simgear-3.6.0~4347+gitfdcef8e/CMakeLists.txt	2015-07-17 06:22:34.000000000 +0000
+++ simgear-3.6.0~4348+gita52d354/CMakeLists.txt	2015-09-20 15:46:14.000000000 +0000
@@ -17,7 +17,6 @@
 
 # using 10.7 because boost requires libc++ and 10.6 doesn't include it
 set(CMAKE_OSX_DEPLOYMENT_TARGET 10.7)
-set(CMAKE_OSX_SYSROOT /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk)
 
 # only relevant for building shared libs but let's set it regardless
 set(CMAKE_OSX_RPATH 1)
diff -Nru simgear-3.6.0~4347+gitfdcef8e/debian/changelog simgear-3.6.0~4348+gita52d354/debian/changelog
--- simgear-3.6.0~4347+gitfdcef8e/debian/changelog	2015-08-05 16:33:51.000000000 +0000
+++ simgear-3.6.0~4348+gita52d354/debian/changelog	2015-09-20 15:46:16.000000000 +0000
@@ -1,3 +1,12 @@
+simgear (3.6.0~4348+gita52d354-0ubuntu1~ppa1~wily1) wily; urgency=low
+
+  [ James Turner ]
+  * Drop explicit SDK on Mac
+
+  [ Saikrishna Arcot ]
+
+ -- Saikrishna Arcot <saiarcot895@gmail.com>  Sun, 20 Sep 2015 11:46:16 -0400
+
 simgear (3.6.0~4347+gitfdcef8e-0ubuntu1~ppa1~wily1) wily; urgency=low
 
   [ Torsten Dreyer ]