Ant xml example for FLEX/AS3 code build.

FLEX_build.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- myMXMLCBuild.xml -->
<project name="XXX_Flex_Compile"
		 basedir="."
		 default="main">
	<property name="FLEX_HOME"
			  value="C:\Flex\sdks\flex_sdk_3.5.0_code_coverage"/>
	<property name="TARGET_PLAYER"
			  value="11.3.0"/>
	<property name="APP_ROOT"
			  value="."/>
	<property name="swf-debug"
			  value="false"/>
	<property name="bin.dir"
			  value="${basedir}/bin-debug/"/>

	<tstamp>
		<format property="BUILD_TIME"
				pattern="MM/dd/yyyy HH:mm"
				locale="en"/>
	</tstamp>
	<echo message="BUILD_TIME = ${BUILD_TIME}"/>
	<property name="DEPLOY_DIR"
			  value="resources/"/>

	<taskdef resource="flexTasks.tasks"
			 classpath="${FLEX_HOME}/ant/lib/flexTasks.jar"/>

	<target name="main"
			depends="compile_main-app">
	</target>

	<target name="update-version">
		<propertyset id="tdate">
		</propertyset>
		<tstamp>
			<format property="tdate"
					pattern="yyyyMMdd"/>
		</tstamp>
		<buildnumber file="build.number"/>
		<echo>updating version to current datetime: ${tdate}</echo>
		<replaceregexp byline="true">
			<regexp pattern="public static const BUILD_DATE: String = \'([0-9]+)'"/>
			<substitution expression="public static const BUILD_DATE: String = '${tdate}'"/>
			<fileset dir="src/com/autophotobook/www/oldStreet/utils">
				<include name="VersionController.as"/>
			</fileset>
		</replaceregexp>
		<echo>updating build number to: ${build.number}</echo>
		<replaceregexp byline="true">
			<regexp pattern="public static const BUILD_NUMBER: String = \'([0-9\.]+)'"/>
			<substitution expression="public static const BUILD_NUMBER: String = '${build.number}'"/>
			<fileset dir="src/com/autophotobook/www/oldStreet/utils">
				<include name="VersionController.as"/>
			</fileset>
		</replaceregexp>
	</target>

	<target name="compile_main-app"
			depends="update-version">
		<ant antfile="./pmd.xml"/>
		<ant antfile="./cpd.xml"/>
		<ant antfile="./metrics.xml"/>
		<ant antfile="./unit-test.xml"/>
		<mxmlc file="${APP_ROOT}/src/Main.mxml"
			   output="${DEPLOY_DIR}/document_editor.swf"
			   keep-generated-actionscript="true"
			   maxmemory="512m">
			<define name="D::LOG"
					value="false"/>
			<load-config filename="${FLEX_HOME}/frameworks/flex-config.xml"/>
			<source-path path-element="${APP_ROOT}/src"/>
			<compiler.library-path dir="${APP_ROOT}/libs"
								   append="true">
				<include name="JSONLite.swc"/>
				<include name="Cairngorm_2.2.1.swc"/>
				<include name="popup-flex3-1.7.swc"/>
				<include name="PreloaderAnimation.swc"/>
				<include name="VKeyBoard.swc"/>
				<include name="JSONLite.swc"/>
				<include name="task-flex3-1.7.swc"/>
			</compiler.library-path>
		</mxmlc>
	</target>

</project>