--- bin/astk.orig	2011-12-20 13:33:00.000000000 +0100
+++ bin/astk	2012-05-08 12:31:09.000000000 +0200
@@ -17,15 +17,9 @@
 #    1 AVENUE DU GENERAL DE GAULLE, 92141 CLAMART CEDEX, FRANCE.
 # ==============================================================================
 
-set_prefix() {
-    local this=`readlink -n -f $1`
-    local bin=`dirname $this`
-    prefix=`dirname $bin`
-}
+prefix=%%inst_dir%%/ASTK_CLIENT
 
-set_prefix $0
-
-ASTER_ROOT=$prefix
+ASTER_ROOT=?ASTER_ROOT?
 ASTER_ETC=$ASTER_ROOT/etc
 if [ "$ASTER_ROOT" = "/usr" ]; then
     ASTER_ETC=/etc
@@ -43,5 +37,5 @@
    WISHEXECUTABLE=wish
 fi
 
-$WISHEXECUTABLE $ASTER_ROOT/lib/astk/astk.tcl -- $* &
+$WISHEXECUTABLE $prefix/lib/astk.tcl -- $* &