<!-- HACK to add the android-support-v4.jar to the classpath directly from the SDK -->
    <target name="-pre-compile">
        <echo>ORIGINAL jars.path : ${toString:project.all.jars.path}</echo>

        <path id="project.all.jars.path.hacked">
                <path path="${toString:project.all.jars.path}"/>
                <fileset dir="${jar.libs.dir}">
                    <include name="*.jar"/>
                </fileset>
        </path>

        <path id="project.all.jars.path">
            <path path="${toString:project.all.jars.path.hacked}"/>
        </path>

        <echo>HACKED jars.path : ${toString:project.all.jars.path}</echo>
    </target>