Building SWC using the Flex 3 SDK and build xml

Run this xml using mxmlc compiler. 

<?xml version=”1.0″ encoding=”UTF-8″?> 

<!– Define base directory and start up identification –>
<project default=”build-swc-lib” basedir=”.”> 

<!– Define the Flex SDK path of Flex Builder 3 –>
<property value=”C:/Program Files/Adobe/Flex Builder 3/sdks/3.2.0″ /> 

<!– Define the source path of directory which has the *.as files to be compiled to SWC –>
<property value=”${basedir}/src” /> 

<!– Define the path of lib directory where the compiled SWC will be created –>
<property value=”${basedir}/lib” /> 

<!– Define the path of flexTasks.jar for compiling the *.as files –>
<taskdef resource=”flexTasks.tasks” classpath=”${FLEX_HOME}/ant/lib/flexTasks.jar” /> 

<!– SWC Template –>
<echo>Compiles SWC</echo> 

<!– Define the commands to generate a SWC library –>
<target description=”Generates a SWC library from a directory of AS3 classes”> 

<echo>Generating SWC Library</echo>
<exec executable=”${FLEX_HOME}/bin/compc.exe”> 

<!– Define the classes to be compiled –>
<arg line=”-include-sources ${SRC_DIR}/net/ct/widgets/Paypal.as”/> 

<!– Define the name of the SWC along with the path of export –>
<arg line=”-output ${LIB_PATH}/Paypal.swc”/> 

</exec> 

</target> 

</project>