--- configure.orig	2008-12-02 08:55:06.000000000 -0200
+++ configure	2009-10-09 19:10:25.000000000 -0300
@@ -6770,6 +6770,8 @@
 
     TCL_INCLUDES=-I\"${INCLUDE_DIR_NATIVE}\"
 
+    TCL_SRC_DIR=${with_tclinclude}
+