diff --git a/.gitignore b/.gitignore
index f7708b4298..2f3dc5a3ff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@ Debug
 *.vcxproj.user
 android/.settings
 local.properties
+.DS_Store
diff --git a/thread/prioritizedworkqueue.cpp b/thread/prioritizedworkqueue.cpp
index 997f835cfb..746c3fb3c6 100644
--- a/thread/prioritizedworkqueue.cpp
+++ b/thread/prioritizedworkqueue.cpp
@@ -4,7 +4,7 @@
 #include "thread/thread.h"
 #include "thread/prioritizedworkqueue.h"
 
-#if defined(IOS) || (defined(__APPLE__) && !defined(__MAC_10_7))
+#if defined(IOS) || defined(MACGNUSTD)
 #include <tr1/functional>
 namespace std {
 	using tr1::bind;
diff --git a/thread/threadpool.h b/thread/threadpool.h
index e89c93e8cd..d7d427cb49 100644
--- a/thread/threadpool.h
+++ b/thread/threadpool.h
@@ -15,7 +15,7 @@ using namespace std;
 #endif
 #include <vector>
 
-#if defined(__SYMBIAN32__) || defined(IOS) || (defined(__APPLE__) && !defined(__MAC_10_7))
+#if defined(__SYMBIAN32__) || defined(IOS) || defined(MACGNUSTD)
 #ifndef __SYMBIAN32__
 #include <tr1/functional>
 #include <tr1/memory>