Index: gregorian.hpp
===================================================================
--- gregorian.hpp	(revision 76248)
+++ gregorian.hpp	(working copy)
@@ -77,12 +77,12 @@
 
 
     // ------------------------------------------------------------------------
-    boost::gregorian::date operator ++(boost::gregorian::date& x)
+    inline boost::gregorian::date operator ++(boost::gregorian::date& x)
     {
         return x += boost::gregorian::date::duration_type::unit();
     }
 
-    boost::gregorian::date operator --(boost::gregorian::date& x)
+    inline boost::gregorian::date operator --(boost::gregorian::date& x)
     {
         return x -= boost::gregorian::date::duration_type::unit();
     }
@@ -107,12 +107,12 @@
         typedef boost::gregorian::date_duration type; 
     };  
 
-    boost::gregorian::date_duration operator ++(boost::gregorian::date_duration& x)
+    inline boost::gregorian::date_duration operator ++(boost::gregorian::date_duration& x)
     {
         return x += boost::gregorian::date::duration_type::unit();
     }
 
-    boost::gregorian::date_duration operator --(boost::gregorian::date_duration& x)
+    inline boost::gregorian::date_duration operator --(boost::gregorian::date_duration& x)
     {
         return x -= boost::gregorian::date::duration_type::unit();
     }