Index: liblayout/build.xml
===================================================================
--- liblayout.orig/build.xml
+++ liblayout/build.xml
@@ -35,7 +35,7 @@
 
    <!-- Build classes -->
    <target name="classes" depends="prepare">
-     <javac srcdir="source" destdir="${build.classes}" debug="off" optimize="on">
+     <javac target="1.8" srcdir="source" destdir="${build.classes}" debug="off" optimize="on">
        <classpath refid="classpath"/>
        <exclude name="org/jfree/layouting/modules/output/excel/**"/>
        <exclude name="org/jfree/layouting/modules/output/pdf/**"/>