diff --git a/src/extra/CMakeLists.txt b/src/extra/CMakeLists.txt
new file mode 100644
index 000000000..0b860b877
--- /dev/null
+++ b/src/extra/CMakeLists.txt
@@ -0,0 +1,9 @@
+file(GLOB LEANLIB "${LEAN_SOURCE_DIR}/extra/*.lean")
+FOREACH(FILE ${LEANLIB})
+   install_files(/library FILES ${FILE})
+ENDFOREACH(FILE)
+
+file(GLOB LEANLIB "${LEAN_SOURCE_DIR}/extra/*.lua")
+FOREACH(FILE ${LEANLIB})
+   install_files(/library FILES ${FILE})
+ENDFOREACH(FILE)