Index: mkmf.rb
===================================================================
--- mkmf.rb	(revision 23101)
+++ mkmf.rb	(working copy)
@@ -1710,7 +1710,7 @@
       mfile.print "\t@-$(RM) #{fseprepl[dest]}\n"
       mfile.print "\t@-$(RMDIRS) #{fseprepl[dir]}\n"
     else
-      mfile.print "#{dest}: #{f}\n"
+      mfile.print "#{dest}: #{dir} #{f}\n"
       mfile.print "\t$(INSTALL_PROG) #{fseprepl[f]} #{fseprepl[dir]}\n"
       if defined?($installed_list)
 	mfile.print "\t@echo #{dir}/#{File.basename(f)}>>$(INSTALLED_LIST)\n"