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(**************************************************************************)
(* Copyright © 2009-2013 Stéphane Glondu <steph@glondu.net> *)
(* © 2010-2013 Mehdi Dogguy <mehdi@dogguy.org> *)
(* *)
(* This program is free software: you can redistribute it and/or modify *)
(* it under the terms of the GNU Affero General Public License as *)
(* published by the Free Software Foundation, either version 3 of the *)
(* License, or (at your option) any later version, with the additional *)
(* exemption that compiling, linking, and/or using OpenSSL is allowed. *)
(* *)
(* This program is distributed in the hope that it will be useful, but *)
(* WITHOUT ANY WARRANTY; without even the implied warranty of *)
(* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *)
(* Affero General Public License for more details. *)
(* *)
(* You should have received a copy of the GNU Affero General Public *)
(* License along with this program. If not, see *)
(* <http://www.gnu.org/licenses/>. *)
(**************************************************************************)
open Printf
open Ocamlbuild_plugin
let name = "ben"
exception Subprocess_died_unexpectedly of Unix.process_status
let try_exec cmd =
Sys.command (sprintf "%s >/dev/null 2>&1" cmd) = 0
let try_run cmd = (* reads one single line *)
let in_c = Unix.open_process_in cmd in
let line = input_line in_c in
let _ = Unix.close_process_in in_c in
line
let version = try_run "dpkg-parsechangelog -S Version"
let build_date =
try
let date = Sys.getenv "SOURCE_DATE_EPOCH" in
let cmd = Printf.sprintf "date -d '@%s' +'%%F %%T %%Z'" date in
try_run cmd
with Not_found ->
try_run "date +'%F %T %Z'"
let has_ocamlopt = try_exec "command -v ocamlopt"
let best =
try Sys.getenv "OCAMLBEST"
with Not_found -> if has_ocamlopt then "native" else "byte"
let main_executable = sprintf "bin/%s.%s" name best
let () =
dispatch begin function
| Before_options ->
Options.use_ocamlfind := true;
Options.use_menhir := true;
Options.ocaml_yaccflags := ["--explain"]
| After_rules ->
Pathname.define_context "lib/benlib" ["lib"];
Pathname.define_context "frontends" ["lib"];
Pathname.define_context "templates" ["lib"];
Pathname.define_context "bin" ["lib"; "frontends"];
flag ["ocaml"; "compile"; "native"] (S[A"-inline"; A"1000"]);
flag ["ocaml"; "link"; "native"] (S[A"-inline"; A"1000"]);
(* Templates *)
rule "template: cmx -> cmxs"
~prod:"%.cmxs"
~dep:"%.cmx"
~insert:`top
~doc:"This rule allows to build a .cmxs from a .cmx, without including all its dependencies." begin
fun env _ ->
let cmx = env "%.cmx" in
let cmxs = env "%.cmxs" in
Cmd(S[!Options.ocamlopt; A "-shared"; A "-I"; A "templates"; A cmx; A "-o"; A cmxs])
end;
(* C stubs *)
flag ["link"; "library"; "ocaml"; "byte"; "use_libbenl"]
(S[A"-dllib"; A"-lbenl"; A"-cclib"; A"-lbenl"]);
flag ["link"; "library"; "ocaml"; "native"; "use_libbenl"]
(S[A"-cclib"; A"-lbenl"]);
flag ["link"; "library"; "ocaml"; "native"; "use_libbenl"]
(S[A"-cclib"; A"-lbenl"]);
flag ["link"; "program"; "ocaml"; "byte"; "use_libbenl"]
(S[A"-I"; A"lib"; A"-dllib"; A"-lbenl"]);
dep ["link"; "ocaml"; "use_libbenl"] ["lib/libbenl.a"];
rule "lib/benl_version.ml" ~deps:["lib/benl_version.mlp"] ~prod:"lib/benl_version.ml"
begin
fun _ _ ->
Cmd
(S [A"sed";
A"-e"; A (sprintf "s/@VERSION@/%s/" version);
A"-e"; A (sprintf "s/@BUILD_DATE@/%s/" build_date);
P"lib/benl_version.mlp"; Sh">"; P"lib/benl_version.ml"])
end;
(* rule for the main executable that will link all frontends *)
rule "bin/ben.ml" ~deps:["bin/ben.mlp"] ~prod:"bin/ben.ml" begin
let prefix = name^"_" in
let p = String.length prefix in
fun _ _ ->
let files = Array.to_list (Sys.readdir "../frontends") in
let static = List.filter
(fun x ->
let n = String.length x in
n > p+5 &&
String.sub x 0 p = prefix &&
String.sub x (n-3) 3 = ".ml")
files
in
let static = List.map
(fun x -> (Filename.chop_suffix x ".ml")^".frontend")
static
in
let static =
String.concat "; " (List.map String.capitalize_ascii static)
in
Cmd
(S [A"sed";
A"-e"; A (sprintf "s/@STATIC_FRONTENDS@/%s/" static);
P"bin/ben.mlp"; Sh">"; P"bin/ben.ml"])
end;
rule "META" ~deps:["META.in"] ~prod:"META" begin
fun _ _ ->
Cmd
(S [A"sed";
A"-e"; A (sprintf "s/@VERSION@/%s/" version);
P"META.in"; Sh">"; P"META"])
end;
(* rule for dependency graph *)
rule "modules.dot" ~deps:[main_executable] ~prod:"modules.dot" begin
fun _ _ ->
let ic = Unix.open_process_in "find -name '*.ml.depends'" in
let buf = Buffer.create 1024 in
bprintf buf "digraph build_graph {\n";
let rec loop accu =
match (try Some (input_line ic) with End_of_file -> None) with
| None -> accu
| Some filename ->
let node =
let n = String.length filename in
let j = n - String.length ".ml.depends" in
let i =
try String.rindex_from filename j '/'
with Not_found -> 0
in
String.capitalize_ascii (String.sub filename (i+1) (j-i-1))
in
let deps = List.tl (string_list_of_file filename) in
loop ((node, deps)::accu)
in
let deps_assoc = loop [] in
let module S = Set.Make(String) in
let mynodes = List.fold_left
(fun accu (x, _) -> S.add x accu) S.empty deps_assoc
in
let () = List.iter
(fun (x, deps) -> List.iter
(fun dep ->
if S.mem dep mynodes then
bprintf buf " \"%s\" -> \"%s\";\n" x dep)
deps)
deps_assoc
in
bprintf buf "}\n";
begin match Unix.close_process_in ic with
| Unix.WEXITED 0 -> ()
| e -> raise (Subprocess_died_unexpectedly e)
end;
Echo ([Buffer.contents buf], "modules.dot")
end
| _ -> ()
end
|