--- configure.orig	Sun Apr 23 16:06:17 2006
+++ configure	Tue Apr 25 07:15:42 2006
@@ -2471,7 +2471,7 @@
 fi
 
 
-   if test "z$ERLC" = "z" || test "z$ERL" = "z"; then
+   if test -z "$ERLC" || test -z "$ERL"; then
    		{ { echo "$as_me:$LINENO: error: erlang not found" >&5
 echo "$as_me: error: erlang not found" >&2;}
    { (exit 1); exit 1; }; }