diff --git a/tests/cdash/builder.py b/tests/cdash/builder.py
index 6336a3dbd..424b3c7f2 100644
--- a/tests/cdash/builder.py
+++ b/tests/cdash/builder.py
@@ -1,3 +1,23 @@
+#
+# builder.py - PJSIP test scenarios builder
+#
+# Copyright (C) 2008-2009 Teluu Inc. (http://www.teluu.com)
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+
 import ccdash
 import os
 import platform
@@ -193,12 +213,12 @@ class TestBuilder:
             excluded = False
             included = False
             for pat in self.exclude:
-                if re.search(pat, fullcmd) != None:
+                if pat and re.search(pat, fullcmd) != None:
                     excluded = True
                     break
             if excluded:
                 for pat in self.not_exclude:
-                    if re.search(pat, fullcmd) != None:
+                    if pat and re.search(pat, fullcmd) != None:
                         included = True
                         break
             if excluded and not included:
diff --git a/tests/cdash/cfg_gnu.py b/tests/cdash/cfg_gnu.py
index 55bb82bc7..75f22d750 100644
--- a/tests/cdash/cfg_gnu.py
+++ b/tests/cdash/cfg_gnu.py
@@ -1,3 +1,22 @@
+#
+# cfg_gnu.py - GNU target configurator
+#
+# Copyright (C) 2008-2009 Teluu Inc. (http://www.teluu.com)
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
 import builder
 import os
 import sys
@@ -13,8 +32,8 @@ def create_builder(args):
         file = "cfg_site"
 
     if os.access(file+".py", os.F_OK) == False:
-	print "Error: file '%s.py' doesn't exist." % (file)
-	sys.exit(1)
+        print "Error: file '%s.py' doesn't exist." % (file)
+        sys.exit(1)
 
     cfg_site = __import__(file)
     test_cfg = builder.BaseConfig(cfg_site.BASE_DIR, \
diff --git a/tests/cdash/cfg_site_sample.py b/tests/cdash/cfg_site_sample.py
index 966a156d5..a73cf8594 100644
--- a/tests/cdash/cfg_site_sample.py
+++ b/tests/cdash/cfg_site_sample.py
@@ -1,3 +1,22 @@
+#
+# cfg_site_sample.py - Sample site configuration
+#
+# Copyright (C) 2008-2009 Teluu Inc. (http://www.teluu.com)
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
 import builder
 
 # Your site name
diff --git a/tests/cdash/main.py b/tests/cdash/main.py
index 9f707bd7b..8a9937145 100644
--- a/tests/cdash/main.py
+++ b/tests/cdash/main.py
@@ -1,3 +1,25 @@
+#!/bin/env python
+
+#
+# main.py - main entry for PJSIP's CDash tests
+#
+# Copyright (C) 2008-2009 Teluu Inc. (http://www.teluu.com)
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+
 import sys
 
 if len(sys.argv)==1: