diff -u boost_1_36_0-orig/boost/system/error_code.hpp boost_1_36_0/boost/system/error_code.hpp
--- boost_1_36_0-orig/boost/system/error_code.hpp	2008-07-11 09:25:09.000000000 +0800
+++ boost_1_36_0/boost/system/error_code.hpp	2008-11-03 00:48:12.000000000 +0800
@@ -201,6 +201,7 @@
 
     BOOST_SYSTEM_DECL const error_category &  get_system_category();
     BOOST_SYSTEM_DECL const error_category &  get_generic_category();
+    BOOST_SYSTEM_DECL const error_category &  get_posix_category();
 
     static const error_category &  system_category = get_system_category();
     static const error_category &  generic_category = get_generic_category();