
 TOPDIR is already used by build system, so always set it.

--- w-openjdk-6-1.orig/openjdk-6/Makefile	2011-02-28 17:02:07.000000000 +0100
+++ w-openjdk-6-1/openjdk-6/Makefile	2011-03-28 20:06:13.751809044 +0200
@@ -25,9 +25,7 @@
 
 BUILD_PARENT_DIRECTORY=.
 
-ifndef TOPDIR
-  TOPDIR:=.
-endif
+TOPDIR:=.
 
 ifndef JDK_TOPDIR
   JDK_TOPDIR=$(TOPDIR)/jdk
