121 lines
4.8 KiB
OCaml
121 lines
4.8 KiB
OCaml
(***********************************************************************)
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(* ocamlbuild *)
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(* *)
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(* Nicolas Pouillard, Berke Durak, projet Gallium, INRIA Rocquencourt *)
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(* *)
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(* Copyright 2007 Institut National de Recherche en Informatique et *)
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(* en Automatique. All rights reserved. This file is distributed *)
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(* under the terms of the Q Public License version 1.0. *)
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(* *)
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(***********************************************************************)
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(* Original author: Nicolas Pouillard *)
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open My_std
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open Format
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open Log
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open Pathname.Operators
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open Tags.Operators
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open Rule
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open Tools
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open Command
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;;
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module Make(U:sig end) =
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struct
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let plugin = "myocamlbuild"
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let plugin_file = plugin^".ml"
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let plugin_config_file = plugin^"_config.ml"
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let plugin_config_file_interface = plugin^"_config.mli"
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let we_have_a_config_file = sys_file_exists plugin_config_file
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let we_need_a_plugin = !Options.plugin && sys_file_exists plugin_file
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let we_have_a_plugin = sys_file_exists ((!Options.build_dir/plugin)^(!Options.exe))
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let we_have_a_config_file_interface = sys_file_exists plugin_config_file_interface
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let up_to_date_or_copy fn =
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let fn' = !Options.build_dir/fn in
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Pathname.exists fn &&
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begin
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Pathname.exists fn' && Pathname.same_contents fn fn' ||
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begin
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Shell.cp fn fn';
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false
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end
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end
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let profiling = Tags.mem "profile" (tags_of_pathname plugin_file)
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let debugging = Tags.mem "debug" (tags_of_pathname plugin_file)
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let rebuild_plugin_if_needed () =
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let a = up_to_date_or_copy plugin_file in
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let b = (not we_have_a_config_file) or up_to_date_or_copy plugin_config_file in
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let c = (not we_have_a_config_file_interface) or up_to_date_or_copy plugin_config_file_interface in
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if a && b && c && we_have_a_plugin then
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() (* Up to date *)
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(* FIXME: remove ocamlbuild_config.ml in _build/ if removed in parent *)
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else begin
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if !Options.native_plugin
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&& not (sys_file_exists ((!Ocamlbuild_where.libdir)/"ocamlbuildlib.cmxa")) then
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begin
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Options.native_plugin := false;
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eprintf "Warning: Won't be able to compile a native plugin"
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end;
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let plugin_config =
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if we_have_a_config_file then
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if we_have_a_config_file_interface then
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S[P plugin_config_file_interface; P plugin_config_file]
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else P plugin_config_file
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else N in
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let cma, cmo, more_options, compiler =
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if !Options.native_plugin then
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"cmxa", "cmx", (if profiling then A"-p" else N), !Options.ocamlopt
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else
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"cma", "cmo", (if debugging then A"-g" else N), !Options.ocamlc
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in
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let ocamlbuildlib, ocamlbuild, libs =
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if (not !Options.native_plugin) && !*My_unix.is_degraded then
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"ocamlbuildlightlib", "ocamlbuildlight", N
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else
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"ocamlbuildlib", "ocamlbuild", A("unix"-.-cma)
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in
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let ocamlbuildlib = ocamlbuildlib-.-cma in
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let ocamlbuild = ocamlbuild-.-cmo in
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let dir = !Ocamlbuild_where.libdir in
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if not (sys_file_exists (dir/ocamlbuildlib)) then
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failwith (sprintf "Cannot find %S in ocamlbuild -where directory" ocamlbuildlib);
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let dir = if Pathname.is_implicit dir then Pathname.pwd/dir else dir in
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let cmd =
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Cmd(S[compiler; A"-I"; P dir; libs; more_options;
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P(dir/ocamlbuildlib); plugin_config; P plugin_file;
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P(dir/ocamlbuild); A"-o"; Px (plugin^(!Options.exe))])
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in
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Shell.chdir !Options.build_dir;
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Shell.rm_f (plugin^(!Options.exe));
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Command.execute cmd
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end
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let execute_plugin_if_needed () =
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if we_need_a_plugin then
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begin
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rebuild_plugin_if_needed ();
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Shell.chdir Pathname.pwd;
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if not !Options.just_plugin then
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let runner = if !Options.native_plugin then N else !Options.ocamlrun in
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let argv = List.tl (Array.to_list Sys.argv) in
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let spec = S[runner; P(!Options.build_dir/plugin^(!Options.exe));
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A"-no-plugin"; atomize (List.filter (fun s -> s <> "-plugin-option") argv)] in
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let () = Log.finish () in
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raise (Exit_silently_with_code (sys_command (Command.string_of_command_spec spec)))
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end
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else
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()
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end
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;;
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let execute_plugin_if_needed () =
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let module P = Make(struct end) in
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P.execute_plugin_if_needed ()
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;;
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