Use cppo to hide Generator from dune build

davesnx · davesnx · commit f053490d1d94 · 2025-05-08T18:56:16.000+02:00
diff --git a/src/markdown2/dune b/src/markdown2/dune
@@ -1,4 +1,13 @@
 (library
  (name odoc_markdown)
  (public_name odoc.markdown)
- (libraries odoc_model odoc_document cmarkit))
+ (libraries odoc_model odoc_document cmarkit)
+ (preprocess
+  (action
+   (run
+    %{bin:cppo}
+    -I
+    "%{env:CPPO_FLAGS=}"
+    -V
+    OCAML:%{ocaml_version}
+    %{input-file}))))
diff --git a/src/markdown2/odoc_markdown.cppo.ml b/src/markdown2/odoc_markdown.cppo.ml
@@ -0,0 +1,16 @@
+module Config = Config
+
+#if OCAML_VERSION >= (4, 08, 0)
+module Generator = Generator
+#else
+module Generator = struct
+  let render (_ : Config.t) _ = failwith "Markdown generation isn't available"
+
+  let filepath (_ : Config.t) _ = failwith "Markdown generation isn't available"
+
+  let items (_ : Config.t) _ = failwith "Markdown generation isn't available"
+
+  let inline (_ : Config.t) _ = failwith "Markdown generation isn't available"
+end
+#endif
+
diff --git a/src/markdown2/odoc_markdown.ml b/src/markdown2/odoc_markdown.ml
