diff -up ./build.xml.pdebuildlocation ./build.xml
--- ./build.xml.pdebuildlocation	2008-08-28 15:32:09.000000000 -0400
+++ ./build.xml	2008-08-28 15:41:33.000000000 -0400
@@ -1597,7 +1597,7 @@
           if="eclipse.home"
           description="Locate org.eclipse.pde.build plug-in and set the property 'eclipse.pde.dir'">
     <first id="eclipse.pde.plugin.dir">
-      <dirset dir="${eclipse.home}/plugins">
+      <dirset dir="${eclipse.home}/dropins/sdk/plugins">
         <include name="org.eclipse.pde.build_*"/>
       </dirset>
     </first>