--- file_not_specified_in_diff	
+++ file_not_specified_in_diff	
@@ -, +, @@ 
--- simgear-2.4.0/simgear/structure/Singleton.hxx
+++ simgear-2.4.0/simgear/structure/Singleton.hxx
@@ -1,7 +1,7 @@ 
 #ifndef SIMGEAR_SINGLETON_HXX
 #define SIMGEAR_SINGLETON_HXX 1
 
-#include <boost/pool/detail/singleton.hpp>
+#include "boost/thread/detail/singleton.hpp"
 
 #include <osg/Referenced>
 #include <osg/ref_ptr>
@@ -22,7 +22,7 @@ 
     static Class* instance()
     {
         Class& singleton
-            = boost::details::pool::singleton_default<Class>::instance();
+            = boost::detail::thread::singleton<Class>::instance();
         return &singleton;
     }
 };
@@ -38,7 +38,7 @@ 
     static RefClass* instance()
     {
         SingletonRefPtr& singleton
-            = boost::details::pool::singleton_default<SingletonRefPtr>::instance();
+            = boost::detail::thread::singleton<SingletonRefPtr>::instance();
         return singleton.ptr.get();
     }
 private: