buildCommon.xml

<?xml version="1.0" encoding="UTF-8"?>
<project name="update.common" basedir=".">
    <tstamp>
        <format property="build.time" pattern="yyyyMMddHHmm"/> 
    </tstamp>
    <condition property="build.qualifier" value="v${build.time}">
        <not>
            <isset property="build.qualifier"/>
        </not>
    </condition>

    <taskdef resource="antlib.xml" classpath="../org.eclipse.imp.update/lib/ant-imp.jar"/>
    <typedef resource="org/tigris/subversion/svnant/svnantlib.xml" classpath="../org.eclipse.imp.update/lib/svnant.jar;../org.eclipse.imp.update/lib/svnClientAdapter.jar"/>

    <!-- Global Java compiler settings -->
    <property name="javacFailOnError" value="true"/>
    <property name="javacDebugInfo" value="on"/>
    <property name="javacVerbose" value="false"/>
<!--
    <echo message="java.home = ${java.home}"/>
    <echo message="java.class.path = ${java.class.path}"/>
    <echo message="ant.home = ${ant.home}"/>
  -->

    <condition property="mac.jre.path" value="${java.home}/../Classes">
        <os family="mac"/>
    </condition>

    <condition property="mac.jre.path" value="">
        <not> <os family="mac"/> </not>
    </condition>

<!-- <echo message="mac.jre.path = ${mac.jre.path}"/> -->

    <path id="path_bootclasspath">
        <pathelement path="${java.class.path}"/>
        <fileset dir="${mac.jre.path}">
            <include name="*.jar"/>
        </fileset>
        <fileset dir="${java.home}/lib">
            <include name="*.jar"/>
        </fileset>
        <fileset dir="${ant.home}/lib">
            <include name="*.jar"/>
        </fileset>
    </path>

    <property name="bootclasspath" refid="path_bootclasspath"/>

    <fail unless="eclipse.target.platform">
        You must define the property 'eclipse.target.platform' (in the Ant runtime preferences or
        via a "-D" option) to be the location of the Eclipse installation against which plugins
        should be compiled.
    </fail>

<!-- <echo message="eclipse.target.platform = ${eclipse.target.platform}"/> -->

    <path id="path_eclipse.build.path">
        <fileset dir="${eclipse.target.platform}/plugins">
            <include name="**/*.jar"/>
        </fileset>
    </path>
    <pathconvert property="eclipse.build.path" refid="path_eclipse.build.path" targetos="windows"/>
</project>