--- CMakeLists.txt.orig	2020-06-02 18:39:48 UTC
+++ CMakeLists.txt
@@ -179,7 +179,7 @@ find_program(R_EXEC R)
 add_subdirectory(src)
 add_subdirectory(py-bindings)
 add_subdirectory(tests)
-add_subdirectory(demos)
+#add_subdirectory(demos)
 add_subdirectory(scripts)
 add_subdirectory(doc)