          {
              typedef scanner_policies<
                  inhibit_case_iteration_policy<
+--- misc/boost_1_44_0/boost/spirit/home/classic/core/non_terminal/grammar.hpp
++++ misc/build/boost_1_44_0/boost/spirit/home/classic/core/non_terminal/grammar.hpp
+@@ -83,7 +83,7 @@
+         {   // Does _not_ copy the helpers member !
+         }
+ 
+-        grammar_helper_list& operator=(grammar_helper_list const& x)
++        grammar_helper_list& operator=(__attribute__ ((unused)) grammar_helper_list const& x)
+         {   // Does _not_ copy the helpers member !
+             return *this;
+         }
 --- misc/boost_1_44_0/boost/spirit/home/classic/core/non_terminal/parser_context.hpp	2008-06-22 17:05:38.000000000 +0200
 +++ misc/build/boost_1_44_0/boost/spirit/home/classic/core/non_terminal/parser_context.hpp	2012-01-20 12:44:07.124316347 +0100
 @@ -51,15 +51,15 @@

         {
             return (
                     (item - delim)
--- misc/boost_1_44_0/boost/throw_exception.hpp	2010-07-03 23:32:02.000000000 +0200
+++ misc/build/boost_1_44_0/boost/throw_exception.hpp	2012-01-20 12:44:07.127316333 +0100
@@ -49,7 +49,7 @@

             ) const
         {
             this->act(ref,value_ref); // defined in ActionT
--- misc/boost_1_44_0/boost/spirit/home/classic/core/composite/no_actions.hpp
+++ misc/build/boost_1_44_0/boost/spirit/home/classic/core/composite/no_actions.hpp
@@ -38,10 +38,10 @@
     template<typename ActorT, typename AttrT, typename IteratorT>
     void
     do_action(
-        ActorT const&       actor,
-        AttrT&              val,
-        IteratorT const&    first,
-        IteratorT const&    last) const
+        __attribute__ ((unused)) ActorT const&       actor,
+        __attribute__ ((unused)) AttrT&              val,
+        __attribute__ ((unused)) IteratorT const&    first,
+        __attribute__ ((unused)) IteratorT const&    last) const
     {}
 };
 
--- misc/boost_1_44_0/boost/spirit/home/classic/core/composite/impl/directives.ipp	2008-06-22 17:05:38.000000000 +0200
+++ misc/build/boost_1_44_0/boost/spirit/home/classic/core/composite/impl/directives.ipp	2012-01-20 12:44:07.124316347 +0100
@@ -41,7 +41,7 @@
