mte/unikernel/duniverse/cppo/ocamlbuild_plugin/ocamlbuild_cppo.ml
2025-11-11 02:07:51 +01:00

35 lines
1.3 KiB
OCaml

open Ocamlbuild_plugin
let cppo_rules ext =
let dep = "%(name).cppo"-.-ext
and prod1 = "%(name: <*> and not <*.cppo>)"-.-ext
and prod2 = "%(name: <**/*> and not <**/*.cppo>)"-.-ext in
let cppo_rule prod env _build =
let dep = env dep in
let prod = env prod in
let tags = tags_of_pathname prod ++ "cppo" in
Cmd (S[A "cppo"; T tags; S [A "-o"; P prod]; P dep ])
in
rule ("cppo: *.cppo."-.-ext^" -> *."-.-ext) ~dep ~prod:prod1 (cppo_rule prod1);
rule ("cppo: **/*.cppo."-.-ext^" -> **/*."-.-ext) ~dep ~prod:prod2 (cppo_rule prod2)
let dispatcher = function
| After_rules -> begin
List.iter cppo_rules ["ml"; "mli"; "mlpack"];
pflag ["cppo"] "cppo_D" (fun s -> S [A "-D"; A s]) ;
pflag ["cppo"] "cppo_U" (fun s -> S [A "-U"; A s]) ;
pflag ["cppo"] "cppo_I" (fun s ->
if Pathname.is_directory s then S [A "-I"; P s]
else S [A "-I"; P (Pathname.dirname s)]
) ;
pdep ["cppo"] "cppo_I" (fun s ->
if Pathname.is_directory s then [] else [s]) ;
flag ["cppo"; "cppo_q"] (A "-q") ;
flag ["cppo"; "cppo_s"] (A "-s") ;
flag ["cppo"; "cppo_n"] (A "-n") ;
pflag ["cppo"] "cppo_x" (fun s -> S [A "-x"; A s]);
pflag ["cppo"] "cppo_V" (fun s -> S [A "-V"; A s]);
flag ["cppo"; "cppo_V_OCAML"] & S [A "-V"; A ("OCAML:" ^ Sys.ocaml_version)]
end
| _ -> ()