ant-build-windows-exe.xml

<?xml version="1.0" encoding="UTF-8"?>
<!-- Ant project for launch4j, needed to override the launch4j.jar from sbt (launch4j does not support this via the commandline tool) -->
<project default="hello">

    <property environment="env"/>
    <property name="launch4j.dir" location="${env.LAUNCH4J_HOME}" />
    <property name="launch4j.jar" location="." />

    <taskdef name="launch4j" classname="net.sf.launch4j.ant.Launch4jTask" classpath="${launch4j.dir}/launch4j.jar:${launch4j.dir}/lib/xstream.jar" />
    <target name="l4j">
        <launch4j configFile="launch4j-config-win.xml" jar="${launch4j.jar}"/>
    </target>

</project>