diff -ruN netpanzer.old/files/patch-mk-jam-helper.jam netpanzer/files/patch-mk-jam-helper.jam
--- netpanzer.old/files/patch-mk-jam-helper.jam	Thu Jan  1 01:00:00 1970
+++ netpanzer/files/patch-mk-jam-helper.jam	Mon Sep 18 23:22:10 2006
@@ -0,0 +1,11 @@
+--- mk/jam/helper.jam.orig	Mon Sep 18 23:04:51 2006
++++ mk/jam/helper.jam	Mon Sep 18 23:21:57 2006
+@@ -153,7 +153,7 @@
+   {
+     # eleminate multiple slashes because jam is somewhat buggy here
+     dir1 = [ MATCH (.*[^/]?) : $(result) ] ;
+-    dir2 = [ MATCH ([^/].*) : $(i) ] ;
++    dir2 = $(i) ;
+     if ! $(dir1) { dir1 = "" ; }
+     if $(dir1) != "" { dir1 = $(dir1)/ ; }
+     if ! $(dir2) { dir2 = "" ; }