build/org.eclipse.linuxtools.cdt.autotools.core/plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.4"?>
<plugin>
   <extension
         id="genmakebuilderV2"
         name="%Makefile.builder.name"
         point="org.eclipse.core.resources.builders">
      <builder
            callOnEmptyDelta="true"
            hasNature="false"
            isConfigurable="true">
         <run
               class="org.eclipse.cdt.internal.autotools.core.AutotoolsConfigurationBuilder">
         </run>
      </builder>
   </extension>

</plugin>