diff --git a/pmd/pmd.xml b/pmd/pmd.xml
index eb5c12abfa..f5989ba7ad 100644
--- a/pmd/pmd.xml
+++ b/pmd/pmd.xml
@@ -80,7 +80,7 @@ will update documents on the Build Site.
   </target>  
 
 <!-- Documentation Chores -->
-  <target name="pre-docs" depends="rule-docs,run-pmd,pmd-docs" />
+  <target name="pre-docs" depends="rule-docs,run-pmd,run-jdk,pmd-docs" />
   <target name="post-docs" depends="move-php" />
 
   <target name="rule-docs" depends="load-tasks">
@@ -132,6 +132,21 @@ will update documents on the Build Site.
     </pmd>
   </target>
 
+  <target name="run-jdk" 
+          depends="load-tasks"
+          if="jdk14.src">
+    <mkdir dir="${maven.pmd.reportsDirectory}" />
+    <pmd reportFile="${maven.pmd.reportsDirectory}/jdk-1.4.xml"
+         verbose="false"
+         rulesetfiles="rulesets/basic.xml"
+         format="xml"
+         failonerror="no">
+      <fileset dir="${jdk14.src}">
+        <include name="**/*.java" />
+      </fileset>
+    </pmd>
+  </target>
+
   <target name="pmd-docs" depends="load-tasks">
     <mkdir dir="${maven.gen.docs}/demo" />
     <dvsl basedir="${maven.pmd.reportsDirectory}"