--- boost_1_36_0-orig/libs/system/src/error_code.cpp	2008-07-11 09:25:09.000000000 +0800
+++ boost_1_36_0/libs/system/src/error_code.cpp	2008-11-03 00:47:48.000000000 +0800
@@ -408,5 +408,11 @@
       return generic_category_const;
     }
 
+    BOOST_SYSTEM_DECL const error_category & get_posix_category()
+    {
+      static const system_error_category  posix_category_const;
+      return posix_category_const;
+    }
+
   } // namespace system
 } // namespace boost