update boost

linx64/include/boost/spirit/home/qi/nonterminal/debug_handler.hpp

@@ -11,15 +11,11 @@
 #pragma once
 #endif
 
-#include <boost/spirit/home/support/unused.hpp>
 #include <boost/spirit/home/qi/nonterminal/rule.hpp>
 #include <boost/spirit/home/qi/nonterminal/debug_handler_state.hpp>
 #include <boost/spirit/home/qi/detail/expectation_failure.hpp>
 #include <boost/function.hpp>
-#include <boost/fusion/include/at.hpp>
-#include <boost/fusion/include/vector.hpp>
-#include <boost/fusion/include/out.hpp>
-#include <iostream>
+#include <string>
 
 namespace boost { namespace spirit { namespace qi
 {

linx64/include/boost/spirit/home/qi/nonterminal/grammar.hpp

@@ -19,6 +19,8 @@
 #include <boost/spirit/home/qi/nonterminal/nonterminal_fwd.hpp>
 #include <boost/spirit/home/qi/reference.hpp>
 #include <boost/noncopyable.hpp>
+#include <boost/proto/extends.hpp>
+#include <boost/proto/traits.hpp>
 #include <boost/type_traits/is_same.hpp>
 
 namespace boost { namespace spirit { namespace qi

linx64/include/boost/spirit/home/qi/nonterminal/rule.hpp

@@ -16,7 +16,6 @@
 #include <boost/config.hpp>
 #include <boost/function.hpp>
 #include <boost/mpl/vector.hpp>
-#include <boost/type_traits/add_reference.hpp>
 #include <boost/type_traits/is_convertible.hpp>
 #include <boost/type_traits/is_same.hpp>
 
@@ -40,6 +39,10 @@
 #include <boost/spirit/home/qi/nonterminal/nonterminal_fwd.hpp>
 #include <boost/spirit/home/qi/skip_over.hpp>
 
+#include <boost/proto/extends.hpp>
+#include <boost/proto/traits.hpp>
+#include <boost/type_traits/is_reference.hpp>
+
 #if defined(BOOST_MSVC)
 # pragma warning(push)
 # pragma warning(disable: 4355) // 'this' : used in base member initializer list warning
@@ -127,7 +130,10 @@ namespace boost { namespace spirit { namespace qi
         typedef typename
             spirit::detail::attr_from_sig<sig_type>::type
         attr_type;
-        typedef typename add_reference<attr_type>::type attr_reference_type;
+        BOOST_STATIC_ASSERT_MSG(
+            !is_reference<attr_type>::value,
+            "Reference qualifier on Qi rule attribute is meaningless");
+        typedef attr_type& attr_reference_type;
 
         // parameter_types is a sequence of types passed as parameters to the rule
         typedef typename