--- gorilla.in.orig	Sun Dec  5 22:21:54 2004
+++ gorilla.in	Sat Feb 11 12:30:44 2006
@@ -7,4 +7,4 @@
 }]} {
     set myName $linkName
 }
-source [file join [file dirname $myName] gorilla.tcl]
+source [file join [file dirname $myName] @prefix@/lib/gorilla/gorilla.tcl]