<project default="compile"> <property name="lib.dir" value="${ocvJarDir}"/> <path id="classpath"> <fileset dir="${lib.dir}" includes="**/*.jar"/> </path> <target name="compile"> <mkdir dir="${dstDir}"/> <javac includeantruntime="false" srcdir="${srcDir}" destdir="${dstDir}" classpathref="classpath"/> </target> </project>