dune

(rule
 (deps
  (:< ppx_deriving_protobuf.cppo.ml))
 (targets ppx_deriving_protobuf.ml)
 (action
  (run %{bin:cppo} -V OCAML:%{ocaml_version} %{<} -o %{targets})))

(library
 (name protobuf)
 (public_name ppx_deriving_protobuf.runtime)
 (synopsis "Low-level Protocol Buffers codec")
 (modules protobuf))

(library
 (name ppx_deriving_protobuf)
 (public_name ppx_deriving_protobuf)
 (synopsis "[@@deriving protobuf]")
 (libraries ppx_deriving.api)
 (preprocess
  (action
   (run ppxfind -legacy ppx_tools.metaquot --as-pp %{input-file})))
 (ppx_runtime_libraries ppx_deriving_protobuf.runtime)
 (modules ppx_deriving_protobuf)
 (kind ppx_deriver))