diff -r 92164a5742db -r b558e19d5de5 make/build.xml
--- a/make/build.xml	Mon May 20 16:38:38 2013 +0200
+++ b/make/build.xml	Mon May 20 23:04:01 2013 +0530
@@ -212,7 +212,9 @@
            target="${javac.target}"
            debug="${javac.debug}"
            encoding="${javac.encoding}"
-           includeantruntime="false"/>
+           includeantruntime="false">
+        <compilerarg line="-extdirs &quot;&quot;"/>
+    </javac>
 
     <!-- tests that check nashorn internals and internal API -->
     <jar jarfile="${nashorn.internal.tests.jar}">