Index: /sample/pingpong/Makefile.am
===================================================================
--- /sample/pingpong/Makefile.am	(revision 10432)
+++ /sample/pingpong/Makefile.am	(revision 10570)
@@ -26,5 +26,6 @@
 # linker flags ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-AM_LDFLAGS      = -L../../source/ariba -lariba
+AM_LDFLAGS      = -L../../source/ariba -lariba $(BOOST_SYSTEM_LDFLAGS)
+LIBS           += $(BOOST_SYSTEM_LIBS)
 
 if PROFILING
Index: /sample/pingpong/PingPong.h
===================================================================
--- /sample/pingpong/PingPong.h	(revision 10432)
+++ /sample/pingpong/PingPong.h	(revision 10570)
@@ -20,9 +20,9 @@
 
 /**
- /* The PingPong main class
- /* This class implements an example service for demonstration purposes
- /* The pingpong class sends and receives messages between two SpoVNet
- /* instances
- **/
+ * The PingPong main class
+ * This class implements an example service for demonstration purposes
+ * The pingpong class sends and receives messages between two SpoVNet
+ * instances
+ */
 class PingPong: public NodeListener,
 	public CommunicationListener,