--- a/src/core/wscript	Thu Aug 02 08:55:56 2007 +0200
+++ b/src/core/wscript	Thu Aug 02 13:59:08 2007 +0100
@@ -15,6 +15,12 @@
     e.define = 'HAVE_GETENV'
     e.run()
 
+    e = conf.create_header_configurator()
+    e.mandatory = False
+    e.name = 'signal.h'
+    e.define = 'HAVE_SIGNAL_H'
+    e.run()
+
     conf.write_config_header('ns3/core-config.h')
 
 
@@ -26,7 +32,7 @@
     core.source = [
         'callback-test.cc',
         'debug.cc',
-        'assert.cc',
+        'breakpoint.cc',
         'ptr.cc',
         'object.cc',
         'test.cc',
@@ -58,6 +64,7 @@
         'object.h',
         'debug.h',
         'assert.h',
+        'breakpoint.h',
         'fatal-error.h',
         'test.h',
         'random-variable.h',