--- build.xml.sav	2007-03-07 23:54:08.000000000 +0100
+++ build.xml	2007-12-01 19:59:32.000000000 +0100
@@ -17,7 +17,7 @@
   <target name="compile" depends="init"
         description="compile the source " >
     <!-- Compile the java code from ${src} into ${build} -->
-    <javac srcdir="${src}" destdir="${build}"/>
+    <javac source="1.5" srcdir="${src}" destdir="${build}"/>
   </target>
 
   <target name="dist" depends="compile"