diff -U 3 -H -d -r -N -- boost.orig/boost/system/error_code.hpp boost/boost/system/error_code.hpp
--- boost.orig/boost/system/error_code.hpp	2009-01-21 16:08:54.000000000 +0200
+++ boost/boost/system/error_code.hpp	2009-04-23 19:53:21.000000000 +0300
@@ -184,7 +184,7 @@
     public:
       virtual ~error_category(){}
       virtual inline const char *    name() const;  // see implementation note below
-      virtual inline std::string     message( int ev ) const;   // see implementation note below
+      virtual std::string     message( int ev ) const;   // see implementation note below
       virtual inline error_condition default_error_condition( int ev ) const;
       virtual inline bool equivalent( int code, const error_condition & condition ) const;
       virtual inline bool equivalent( const error_code & code, int condition ) const;
@@ -481,11 +481,6 @@
       return "error: should never be called";
     }
 
-    inline std::string error_category::message( int ) const
-    { 
-      static std::string s("error: should never be called");
-      return s;
-    }
 
   } // namespace system
 } // namespace boost
diff -U 3 -H -d -r -N -- boost.orig/libs/system/src/error_code.cpp boost/libs/system/src/error_code.cpp
--- boost.orig/libs/system/src/error_code.cpp	2009-01-21 16:08:54.000000000 +0200
+++ boost/libs/system/src/error_code.cpp	2009-04-23 20:25:42.000000000 +0300
@@ -429,5 +429,11 @@
       return generic_category_const;
     }
 
+    std::string error_category::message( int ) const
+    { 
+      static std::string s("error: should never be called");
+      return s;
+    }
+
   } // namespace system
 } // namespace boost