Patch from Sebastien Vincent
diff --git a/scons-tools/doxygen.py b/scons-tools/doxygen.py
index a03314e..927fd29 100644
--- a/scons-tools/doxygen.py
+++ b/scons-tools/doxygen.py
@@ -80,8 +80,9 @@
        'DOXYFILE_FILE'
        ]
 
-   doxyfile_action = SCons.Action.Action( Doxyfile_Builder, doxyfile_message,
-                                          doxyfile_variables )
+   #doxyfile_action = SCons.Action.Action( Doxyfile_Builder, doxyfile_message,
+   #                                       doxyfile_variables )
+   doxyfile_action = SCons.Action.Action( Doxyfile_Builder, doxyfile_message)
 
    doxyfile_builder = SCons.Builder.Builder( action = doxyfile_action,
                                              emitter = Doxyfile_emitter )