Index: build/targets.jam
===================================================================
--- build/targets.jam	(revision 79711)
+++ build/targets.jam	(working copy)
@@ -693,6 +693,7 @@
     rule generate ( property-set )
     {
         start-building $(__name__) ;
+        project.push-current $(self.project) ;	
 
         # We want composite properties in build request act as if all the
         # properties it expands too are explicitly specified.
@@ -710,6 +711,8 @@
                 result += $(r[2-]) ;
             }
         }
+
+        project.pop-current ;
         end-building $(__name__) ;
         return $(usage-requirements) [ sequence.unique $(result) ] ;
     }