diff -r 66570eb8a685 src/core/test/threaded-test-suite.cc
--- a/src/core/test/threaded-test-suite.cc	Fri Apr 06 15:25:43 2012 -0700
+++ b/src/core/test/threaded-test-suite.cc	Sun Apr 08 23:00:54 2012 -0700
@@ -18,6 +18,7 @@
  * Author: Claudio Freire <claudio-daniel.freire@inria.fr>
  */
 #include "ns3/test.h"
+#include "ns3/log.h"
 #include "ns3/simulator.h"
 #include "ns3/list-scheduler.h"
 #include "ns3/heap-scheduler.h"
@@ -204,6 +205,7 @@
 void 
 ThreadedSimulatorEventsTestCase::DoRun (void)
 {
+  NS_LOG_UNCOND ("DoRun");
   m_stop = false;
   Simulator::SetScheduler (m_schedulerFactory);
 
@@ -232,14 +234,15 @@
     : TestSuite ("threaded-simulator")
   {
     std::string simulatorTypes[] = {
+#ifdef HAVE_RT
       "ns3::RealtimeSimulatorImpl",
+#endif
       "ns3::DefaultSimulatorImpl"
     };
     std::string schedulerTypes[] = {
       "ns3::ListScheduler",
       "ns3::HeapScheduler",
       "ns3::MapScheduler",
-      "ns3::CalendarScheduler",
 #if 0
       // Bug 1397
       "ns3::CalendarScheduler",
diff -r 66570eb8a685 src/core/wscript
--- a/src/core/wscript	Fri Apr 06 15:25:43 2012 -0700
+++ b/src/core/wscript	Sun Apr 08 23:00:54 2012 -0700
@@ -168,7 +168,6 @@
         'test/traced-callback-test-suite.cc',
         'test/type-traits-test-suite.cc',
         'test/watchdog-test-suite.cc',
-        'test/threaded-test-suite.cc',
         ]
 
     headers = bld.new_task_gen(features=['ns3header'])
@@ -289,6 +288,7 @@
             'model/unix-system-mutex.cc',
             'model/unix-system-condition.cc',
             ])
+        core_test.source.extend(['test/threaded-test-suite.cc'])
         core.use.append('PTHREAD')
         core_test.use.append('PTHREAD')
         headers.source.extend([