build.xml

<?xml version="1.0"?>
<projectname="Arduino IDE Core"default="build">

 <pathid="class.path">
 <filesetdir="lib">
 <includename="*.jar"/>
 </fileset>
 <pathelementpath="${env.JAVA_HOME}/lib/tools.jar"/>
 </path>

<targetname="clean"description="Clean out the build directories">
 <deletedir="bin" />
 <deletefile="arduino-core.jar" />
 </target>

<targetname="compile"description="Compile">
<!--
 <taskdef name="methods"
 classname="PAppletMethods"
 classpath="methods/methods.jar" />
 <methods dir="${basedir}/src/processing/core" />
-->
 <mkdirdir="bin" />

<!-- ant seems to nuke ${java.home} for some reason, pointing at the JRE
 subfolder instead of the actual JDK found at JAVA_HOME. 
 To avoid this, we grab the actual JAVA_HOME environment variable 
 and use that to specify the location of tools.jar. -->

<!-- if someone is better with ant please help clean this up -->
 <propertyenvironment="env" />
 <propertyname="java_home"value="${env.JAVA_HOME}" />

 <javacsource="1.8"
target="1.8"
encoding="UTF-8"
includeAntRuntime="false"
srcdir="src"
classpathref="class.path"
debug="true"
destdir="bin">
 </javac>

 <copytodir="bin"overwrite="true"verbose="true">
 <filesetdir="src"includes="**/*.properties" />
 </copy>
 </target>

<targetname="build"depends="compile"description="Build core library">
 <jarbasedir="bin"destfile="arduino-core.jar" />
 </target>

</project>