--- a/langtools/src/share/classes/com/sun/tools/javac/main/JavaCompiler.java	Sun Jun 08 15:02:34 2014 -0700
+++ b/langtools/src/share/classes/com/sun/tools/javac/main/JavaCompiler.java	Mon Jun 09 10:17:16 2014 +0200
@@ -832,6 +832,10 @@
                         List<String> classnames,
                         Iterable<? extends Processor> processors)
     {
+        if (!taskListener.isEmpty()) {
+            taskListener.started(new TaskEvent(TaskEvent.Kind.COMPILATION));
+        }
+
         if (processors != null && processors.iterator().hasNext())
             explicitAnnotationProcessingRequested = true;
         // as a JavaCompiler can only be used once, throw an exception if
@@ -905,6 +909,9 @@
                 printCount("error", errorCount());
                 printCount("warn", warningCount());
             }
+            if (!taskListener.isEmpty()) {
+                taskListener.finished(new TaskEvent(TaskEvent.Kind.COMPILATION));
+            }
             close();
             if (procEnvImpl != null)
                 procEnvImpl.close();