build.xml

<project name="minecraft" default="build">
    <property file="project.properties"/>
    <property name="src" location="src/main"/>
    <property name="src.java" location="${src}/java"/>
    <property name="lib" location="lib"/>
    <property name="target" location="target"/>
    <property name="classes" location="${target}/classes"/>
    <property name="target.client.jar" location="${target}/1.7.10.jar"/>
    <property name="server.jar" value="server-1.7.10.jar"/>
    <property name="server.dist" location="${target}/dist/server"/>

    <path id="java.library.path">
        <fileset dir="${lib}/natives">
            <include name="**/*.dll"/>
        </fileset>
    </path>

    <path id="lib.runtime">
        <fileset dir="${lib}">
            <include name="**/*.jar"/>
        </fileset>
    </path>

    <path id="project.class.path">
        <pathelement location="${classes}"/>
        <path refid="lib.runtime"/>
        <pathelement path="${java.class.path}"/>
    </path>

    <pathconvert targetos="unix" pathsep=" " property="lib.runtime.jars" refid="lib.runtime">
        <map from="${basedir}/lib/" to=""/>
    </pathconvert>

    <target name="init">
        <tstamp/>
        <mkdir dir="${target}"/>
        <mkdir dir="${classes}"/>
        <mkdir dir="${server.dist}"/>
    </target>

    <target name="compile" description="compile the source" depends="init">
        <javac destdir="${classes}" srcdir="${src.java}"
               debug="true"
               debuglevel="lines,source"
               includeantruntime="true"
               encoding="utf-8">
            <!--            <classpath refid="dev.class.path" />-->
            <classpath refid="project.class.path"/>
        </javac>
    </target>

    <target name="client" depends="compile">
        <jar destfile="${target.client.jar}">
            <fileset dir="${classes}"/>
            <fileset dir="${src}/resources"/>
        </jar>
    </target>

    <target name="server" depends="compile">
        <jar destfile="${target}/${server.jar}">
            <fileset dir="${classes}"/>
            <fileset dir="${src}/resources"/>
            <manifest>
                <attribute name="Main-Class" value="net.minecraft.server.MinecraftServer"/>
                <attribute name="Class-Path" value="${lib.runtime.jars}"/>
            </manifest>
        </jar>
        <copy file="${target}/${server.jar}" todir="${server.dist}"/>
        <copy todir="${server.dist}">
            <path refid="lib.runtime"/>
<!--            <fileset refid="lib.runtime" />-->
        </copy>
    </target>

    <target name="clean">
        <delete dir="${classes}"/>
        <delete file="${target.client.jar}"/>
        <delete file="${target}/${server.jar}"/>
        <delete file="${server.dist}"/>
    </target>

    <target name="build" depends="compile, client, server"/>
    <target name="rebuild" depends="clean, build"/>
</project>