--- src/system/installml.orig	Tue May 11 21:20:17 2004
+++ src/system/installml	Thu Aug  5 22:17:28 2004
@@ -11,8 +11,10 @@
 twoup=`pwd`
 cd $here
 
-MAIN_HEAP_DIR=$twoup/bin/.heap
-MAIN_LIB_DIR=$twoup/lib
+INSTALLROOT=${INSTALLROOT:-$twoup}
+
+MAIN_HEAP_DIR=$INSTALLROOT/bin/.heap
+MAIN_LIB_DIR=$INSTALLROOT/lib
 
 if [ $# -gt 0 ] ; then
     STEM=$1