build.xml

<?xml version="1.0" encoding="UTF-8"?>
<project name="RL2SimpleApplication" basedir="." default="build">
	<!-- set up a prefix for all environment variables -->
	<property environment="env." />
	<!-- load user properties to override defaults -->
	<property file="user.properties" />
	<!-- System environment must contain FLEX_HOME variable that points to Flex SDK -->
	<property name="FLEX_HOME" location="${env.FLEX_HOME}" />
	<!-- identify properties file -->
	<property file="build.properties" />

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

	<target name="build">
		<mxmlc file="${main.src.loc}/${package.dir}/${project.name}.as" output="${bin.loc}/${project.name}.swf">
			<load-config filename="${FLEX_HOME}/frameworks/flex-config.xml" />
			<source-path path-element="${main.src.loc}" />
			<compiler.library-path dir="${lib.loc}">
				<include name="*.swc" />
			</compiler.library-path>
			<compiler.debug>true</compiler.debug>
			<default-size width="500" height="600" />
		</mxmlc>
	</target>

</project>