unikernel/duniverse/dune_/test/blackbox-tests/test-cases/include-qualified/stdlib.t

@@ -0,0 +1,23 @@
+Libraries designed as the "stdlib" may not use (include_subdirs qualified)
+
+Although it's just an artificial limitation and when we can lift it if the need
+arises to.
+
+  $ cat >dune-project <<EOF
+  > (lang dune 3.7)
+  > (using experimental_building_ocaml_compiler_with_dune 0.1) 
+  > EOF
+
+  $ cat >dune <<EOF
+  > (include_subdirs qualified)
+  > (library
+  >  (name foo)
+  >  (stdlib))
+  > EOF
+
+  $ dune build @check
+  File "dune", line 1, characters 0-27:
+  1 | (include_subdirs qualified)
+      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  Error: a library with (stdlib ...) may not use (include_subdirs qualified)
+  [1]