lua: Setup compilation for the standalone tool
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 4b7a8d2..02e4f02 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -11,3 +11,4 @@
 add_subdirectory(cc)
 endif()
 add_subdirectory(python)
+add_subdirectory(lua)