diff -ur boost-1_39.orig/boost/date_time/posix_time/posix_time_config.hpp boost-1_39/boost/date_time/posix_time/posix_time_config.hpp
--- boost-1_39.orig/boost/date_time/posix_time/posix_time_config.hpp    2009-05-26 20:10:40.000000000 -0400
+++ boost-1_39/boost/date_time/posix_time/posix_time_config.hpp 2009-05-26 20:11:54.000000000 -0400
@@ -82,8 +82,8 @@
     //Give duration access to ticks constructor -- hide from users
     friend class date_time::time_duration<time_duration, time_res_traits>;
   private:
-    explicit time_duration(impl_type ticks) :
-      date_time::time_duration<time_duration, time_res_traits>(ticks)
+    explicit time_duration(impl_type time_ticks) :
+      date_time::time_duration<time_duration, time_res_traits>(time_ticks)
     {}
   };