diff -r ce0620dc5163 tools/common.jam
--- a/tools/common.jam	Sat Oct 17 01:00:21 2009 +0000
+++ b/tools/common.jam	Tue Jul 13 23:28:48 2010 +0200
@@ -759,7 +759,7 @@
         switch $(f:G)
         {
             case <base> :
-                result += $(name:B) ;
+                result += [ join-tag $(f:G=) : $(name:B) ] ;
             
             case <toolset> :
                 result += [ join-tag $(f:G=) : [ toolset-tag $(name) : $(type) :