ant/org.eclipse.ant.core/buildfiles/buildExtraJAR.xml

<?xml version="1.0" encoding="UTF-8"?>
<project name="Build Ant support JAR" default="build" basedir="..">

	<property name="bootclasspath" value=""/>

	<target name="build" description="Cleans, builds and refreshes the impacted resources" depends="clean, lib/antsupportlib.jar"/>

	<target name="init" depends="properties">
		<property name="temp.folder" value="${basedir}/temp.folder"/>
		<property name="build.result.folder" value="${basedir}"/>
		<property name="version.suffix" value="_3.0.0"/>
		<property name="ant_version.suffix" value="_1.6.1"/>
	</target>

	<target name="properties" if="eclipse.running">
		<property name="build.compiler" value="org.eclipse.jdt.core.JDTCompilerAdapter"/>
	</target>

	<target name="lib/antsupportlib.jar" depends="init" description="Creates the lib/antsupportlib.jar">
		<property name="destdir" value="${temp.folder}/lib/antsupportlib.jar.bin"/>
		<delete dir="${temp.folder}/lib/antsupportlib.jar.bin"/>
		<mkdir dir="${temp.folder}/lib/antsupportlib.jar.bin"/>
		<!-- compile the source code -->
		<javac target="1.3" source="1.3" destdir="${temp.folder}/lib/antsupportlib.jar.bin"
			failonerror="true"
			verbose="false"
			debug="on"
			includeAntRuntime="no"
			bootclasspath="${bootclasspath}" 
			classpath="${basedir}/../org.eclipse.core.runtime/bin;
					${eclipse.home}/plugins/org.eclipse.core.runtime${version.suffix}/runtime.jar;
					${basedir}/../org.eclipse.osgi/bin;
					${eclipse.home}/plugins/org.eclipse.osgi${version.suffix}/osgi.jar;
					${basedir}/../org.apache.ant/lib/ant.jar;
					${eclipse.home}/plugins/org.apache.ant${ant_version.suffix}/lib/ant.jar;
					${basedir}/bin">
			<src path="src_ant/"/>
		</javac>
		<!-- copy necessary resources -->
		<copy todir="${temp.folder}/lib/antsupportlib.jar.bin">
			<fileset dir="src_ant/" excludes="**/*.java"/>
		</copy>
		<mkdir dir="${build.result.folder}/lib"/>
		<jar jarfile="${build.result.folder}/lib/antsupportlib.jar" basedir="${temp.folder}/lib/antsupportlib.jar.bin"/>
		<delete dir="${temp.folder}"/>
	</target>

	<target name="clean" depends="init">
		<delete file="${build.result.folder}/lib/antsupportlib.jar"/>
		<delete dir="${temp.folder}"/>
	</target>

</project>