myocamlbuild.ml

   1 open Printf
   2 open Ocamlbuild_plugin;;
   3
   4 let mkcamlp4 prod deps =
   5   let mode = match Pathname.get_extension (Pathname.mk prod) with
   6   | "byte" -> `Byte
   7   | "native" -> `Native
   8   | _ -> failwith "mkcamlp4 can build only .byte and .native targets"
   9   in
  10   let ocaml = match mode with `Byte -> !Options.ocamlc | `Native -> !Options.ocamlopt in
  11   let cm name = A (name ^ match mode with `Byte -> ".cmo" | `Native -> ".cmx") in
  12
  13   rule (sprintf "mkcamlp4 %s" prod) ~deps ~prod begin fun _ _ ->
  14     Cmd (S[
  15       ocaml;
  16       A "-linkall";
  17       T(tags_of_pathname prod++"link");
  18       cm "Camlp4Parsers/Camlp4OCamlRevisedParser";
  19       cm "Camlp4Parsers/Camlp4OCamlParser";
  20       cm "Camlp4Printers/Camlp4AutoPrinter";
  21       Command.atomize_paths deps;
  22       A"-o"; A prod;
  23       cm "Camlp4Bin";
  24     ])
  25   end
  26
  27 let _ =  dispatch begin function
  28   | After_rules ->
  29       flag ["pp"; "camlp4of"] & S[A"-loc"; A"loc"];
  30       flag ["ocaml";"pp";"pa_deriving"] (P"pa_deriving.cma");
  31       dep ["pa_deriving"] ["pa_deriving.cma"];
  32
  33       ocaml_lib "deriving";
  34
  35       mkcamlp4 "deriving.byte" ["pa_deriving.cma"];
  36       mkcamlp4 "deriving.native" ["pa_deriving.cmxa"];
  37
  38  | _ -> ()
  39  end;;
  40