build.xml

<project name="cup-maven-plugin" default="dist" basedir=".">
    <description>
        Build file for cup-maven-plugin
    </description>

    <condition property="isWindows">
        <os family="windows"/>
    </condition>

    <condition property="isUnix">
        <os family="unix"/>
    </condition>

    <target name="all" depends="mvn_windows, mvn_unix"/>

    <target name="mvn_windows" if="isWindows">
        <exec dir="java-cup" executable="cmd">
            <arg line="/c mvn clean install"/>
        </exec>
        <exec dir="java-cup-runtime" executable="cmd">
            <arg line="/c mvn clean install"/>
        </exec>
        <exec dir="cup-maven-plugin" executable="cmd">
            <arg line="/c mvn clean install"/>
        </exec>
    </target>

    <target name="mvn_unix" if="isUnix">
        <exec dir="java-cup" executable="sh">
            <arg line="-c 'mvn clean install'"/>
        </exec>
        <exec dir="java-cup-runtime" executable="sh">
            <arg line="-c 'mvn clean install'"/>
        </exec>
        <exec dir="cup-maven-plugin" executable="sh">
            <arg line="-c 'mvn clean install'"/>
        </exec>
    </target>

</project>