diff --git a/waf-tools/ns3.py b/waf-tools/ns3.py
new file mode 100644
index 0000000..5f5595e
--- /dev/null
+++ b/waf-tools/ns3.py
@@ -0,0 +1,66 @@
+## -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-
+
+import waflib
+from waflib.Configure import conf
+from waflib import Utils,Logs,Errors
+
+@conf
+def _print_optional_features(conf):
+    # Write a summary of optional features status
+    print "---- Summary of optional NS-3 features:"
+    Logs.pprint ('RED', "---- Summary of optional NS-3 features:")
+    # for (name, caption, was_enabled, reason_not_enabled) in conf.env['NS3_OPTIONAL_FEATURES']:
+    #     if was_enabled:
+    #         status = 'enabled'
+    #     else:
+    #         status = 'not enabled (%s)' % reason_not_enabled
+    #     print "%-30s: %s" % (caption, status)
+
+@conf
+def _check_dependencies(conf, required, mandatory):
+    # Logs.pprint ('CYAN', '  + %s' % required)
+    found = []
+    for module in required:
+        retval = conf.check_cfg(package = 'libns3-dev-%s-debug' % module,
+                                args='--cflags --libs', mandatory=mandatory,
+                                msg="Checking for ns3-%s" % module,
+                                uselib_store='NS3_%s' % module.upper())
+        # Logs.pprint ('CYAN', 'NS3_%s' % module.upper())
+        if not retval is None:
+            found.append(module)
+    import copy
+    if not 'NS3_MODULES_FOUND' in conf.env:
+        conf.env['NS3_MODULES_FOUND'] = []
+    conf.env['NS3_MODULES_FOUND'] = conf.env['NS3_MODULES_FOUND'] + copy.copy(found)
+
+def modules_uselib(bld, names):
+    return ['NS3_%s' % name.upper() for name in names] + \
+        ['NS3_LIBRARY_%s' % name.upper() for name in names] + \
+        ['NS3_HEADERS_%s' % name.upper() for name in names]
+
+def modules_found(bld, needed):
+    for module in needed:
+        if not module in bld.env['NS3_MODULES_FOUND']:
+            return False
+    return True
+
+@conf
+def check_modules(conf, modules, mandatory = True):
+    import os
+
+    if not 'NS3_CHECK_MODULE_ONCE' in conf.env:
+        conf.env['NS3_CHECK_MODULE_ONCE'] = ''
+
+        conf.check_cfg(atleast_pkgconfig_version='0.0.0')
+
+        if conf.options.log4cxx:
+            conf.env.append_value('DEFINES', 'NS3_LOG_ENABLE')
+
+    conf._check_dependencies(modules, mandatory)
+    conf._print_optional_features
+
+@conf
+def print_ns3_feature_summary(conf):
+    Logs.pprint ('CYAN', "---- Summary of optional NS-3 features:")
+    conf._print_optional_features
+