vaadin-framework/common.xml

<?xml version="1.0" encoding="UTF-8"?>
<project name="common" basedir="." default="" xmlns:ivy="antlib:org.apache.ivy.ant" xmlns:antcontrib="antlib:net.sf.antcontrib" xmlns:cs="antlib:com.puppycrawl.tools.checkstyle">

    <tstamp>
        <format property="build.date" pattern="yyyy-MM-dd" />
    </tstamp>

    <dirname property="vaadin.basedir" file="${ant.file.common}" />
    <property file="${vaadin.basedir}/build.properties" />

    <ivy:settings file="${vaadin.basedir}/ivysettings.xml" />
    <ivy:settings file="${vaadin.basedir}/ivysettings.xml" id="ivysettings" />
    <ivy:resolve log="download-only" file="${vaadin.basedir}/ivy-taskdefs.xml" conf="taskdefs" />
    <ivy:cachepath pathid="taskdefs.classpath" conf="taskdefs" />
    <taskdef uri="antlib:net.sf.antcontrib" resource="net/sf/antcontrib/antlib.xml" classpathref="taskdefs.classpath" />

</project>