boost-1.51.0-define-BOOST_SP_USE_SPINLOCK.patch

diff --git a/boost/config/user.hpp b/boost/config/user.hpp
index 5a4a9d4..8c7f353 100644
--- a/boost/config/user.hpp
+++ b/boost/config/user.hpp
@@ -121,4 +121,5 @@
 // #define BOOST_WHATEVER_NO_LIB
  
 
-
+// Do not use inline assembly for atomic operations
+#define BOOST_SP_USE_SPINLOCK