build.xml

<project name="game" default="compile" basedir=".">
    <property name="src" location="src/"/>
    <property name="assets" location="assets/"/>
    <property name="build" location="build/"/>
    <property name="lwjgl" location="./libs"/>
    <property name="slick" location="./libs"/>

    <path id="project.class.path">
        <pathelement path="{$classpath}"/>
        <fileset dir="${lwjgl}">
            <include name="jar/*.jar"/>
        </fileset>
        <fileset dir="${slick}">
            <include name="*.jar"/>
        </fileset>
    </path>


    <target name="init">
        <mkdir dir="${build}"/>
    </target>


    <target name="compile" depends="init" description="compile the source">
        <javac srcdir="${src}"
               destdir="${build}"
               classpathref="project.class.path"
               includeantruntime="false"/>
    </target>

    <target name="clean"
            description="clean up">
        <delete dir="${build}"/>
    </target>

    <condition property="native" value="${lwjgl}/native/macosx">
        <os family="mac"/>
    </condition>

    <condition property="native" value="${lwjgl}/native/windows">
        <os family="windows"/>
    </condition>

    <target name="run" description="run the compiled code" depends="compile">
        <property name="native" location="natives"/>
        <java classname="com.github.capstone.Twotris" fork="true">
            <sysproperty key="java.library.path" value="${native}"/>
            <classpath refid="project.class.path"/>
            <classpath>
                <pathelement path="build/"/>
            </classpath>
        </java>
    </target>

    <target name="check-syntax" depends="init" description="check for errors">
        <javac destdir="${build}"
               classpathref="project.class.path"
               includeantruntime="false">
            <src path="${CHK_SOURCES}"/>
            <compilerarg value="-Xlint"/>
        </javac>
    </target>
</project>