1 files changed, 9 insertions, 0 deletions
diff --git a/source.list b/source.list
index 7b31df91b..d50c1ee28 100644
--- a/source.list
+++ b/source.list
@@ -1197,3 +1197,12 @@ thread/thread.h
 #else
 	thread/thread_none.cpp
 #end
+
+# underground
+layer.cpp
+underground_gui.cpp
+layer_type.h
+layer_func.h
+layer_gui.h
+underground_gui.h
+widgets/underground_widget.h