unikernel/duniverse/dune_/test/blackbox-tests/test-cases/github1529.t/dune

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+(menhir (modules parser))
+(library (name foo))

unikernel/duniverse/dune_/test/blackbox-tests/test-cases/github1529.t/run.t

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+Reproduction case for #1529: using an extension when no dune-project
+file is present.
+
+  $ dune build @install 2>&1 | sed "s/(lang dune .*)/(lang dune <version>)/" | sed "s/(using menhir .*)/(using menhir <version>)/"
+  File ".", line 1, characters 0-0:
+  Warning: No dune-project file has been found in directory ".". A default one
+  is assumed but the project might break when dune is upgraded. Please create a
+  dune-project file.
+  Hint: generate the project file with: $ dune init project <name>
+  File "dune", line 1, characters 0-25:
+  1 | (menhir (modules parser))
+      ^^^^^^^^^^^^^^^^^^^^^^^^^
+  Error: 'menhir' is available only when menhir is enabled in the dune-project
+  file. You must enable it using (using menhir <version>) in your dune-project file.