src/main/org/codehaus/groovy/antlib.xml

<antlib>
    <taskdef name="groovyc" classname="org.codehaus.groovy.ant.Groovyc"/>
    <taskdef name="groovy"  classname="org.codehaus.groovy.ant.Groovy"/>
    <taskdef name="groovydoc"  classname="org.codehaus.groovy.ant.Groovydoc"/>
    <!-- These tasks exist but are probably not useful ATM:
    <taskdef name="generatestubs"  classname="org.codehaus.groovy.ant.GenerateStubsTask"/>
    <taskdef name="ubercompile"  classname="org.codehaus.groovy.ant.UberCompileTask"/>
    <taskdef name="rootloaderref"  classname="org.codehaus.groovy.ant.RootLoaderRef"/>
    <taskdef name="verify"  classname="org.codehaus.groovy.ant.VerifyClass"/>
    <taskdef name="filescanner"  classname="org.codehaus.groovy.ant.FileScanner"/>
     -->
</antlib>