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81 lines
3.3 KiB
OCaml
81 lines
3.3 KiB
OCaml
open Ocamlbuild_plugin
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(* these functions are not really officially exported *)
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let run_and_read = Ocamlbuild_pack.My_unix.run_and_read
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let blank_sep_strings = Ocamlbuild_pack.Lexers.blank_sep_strings
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let split s ch =
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let x = ref [] in
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let rec go s =
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let pos = String.index s ch in
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x := (String.before s pos)::!x;
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go (String.after s (pos + 1))
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in
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try
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go s
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with Not_found -> !x
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let split_nl s = split s '\n'
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let before_space s =
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try
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String.before s (String.index s ' ')
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with Not_found -> s
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(* this lists all supported packages *)
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let find_packages () =
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List.map before_space (split_nl & run_and_read "ocamlfind list")
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(* this is supposed to list available syntaxes, but I don't know how to do it. *)
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let find_syntaxes () = ["camlp4o"; "camlp4r"]
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(* ocamlfind command *)
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let ocamlfind x = S[A"ocamlfind"; x]
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let ocamlfind_before_options () =
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(* by using Before_options one let command line options have an higher priority *)
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(* on the contrary using After_options will guarantee to have the higher priority *)
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(* override default commands by ocamlfind ones *)
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Options.ocamlc := ocamlfind & A"ocamlc";
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Options.ocamlopt := ocamlfind & A"ocamlopt";
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Options.ocamldep := ocamlfind & A"ocamldep";
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Options.ocamldoc := ocamlfind & A"ocamldoc";
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Options.ocamlmktop := ocamlfind & A"ocamlmktop"
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let ocamlfind_after_rules () =
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(* When one link an OCaml library/binary/package, one should use -linkpkg *)
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flag ["ocaml"; "link"; "program"] & A"-linkpkg";
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(* For each ocamlfind package one inject the -package option when
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* compiling, computing dependencies, generating documentation and
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* linking. *)
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List.iter begin fun pkg ->
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flag ["ocaml"; "compile"; "pkg_"^pkg] & S[A"-package"; A pkg];
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flag ["ocaml"; "ocamldep"; "pkg_"^pkg] & S[A"-package"; A pkg];
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flag ["ocaml"; "doc"; "pkg_"^pkg] & S[A"-package"; A pkg];
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flag ["ocaml"; "link"; "pkg_"^pkg] & S[A"-package"; A pkg];
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flag ["ocaml"; "infer_interface"; "pkg_"^pkg] & S[A"-package"; A pkg];
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end (find_packages ());
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(* Like -package but for extensions syntax. Morover -syntax is useless
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* when linking. *)
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List.iter begin fun syntax ->
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flag ["ocaml"; "compile"; "syntax_"^syntax] & S[A"-syntax"; A syntax];
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flag ["ocaml"; "ocamldep"; "syntax_"^syntax] & S[A"-syntax"; A syntax];
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flag ["ocaml"; "doc"; "syntax_"^syntax] & S[A"-syntax"; A syntax];
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flag ["ocaml"; "infer_interface"; "syntax_"^syntax] & S[A"-syntax"; A syntax];
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end (find_syntaxes ());
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(* The default "thread" tag is not compatible with ocamlfind.
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Indeed, the default rules add the "threads.cma" or "threads.cmxa"
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options when using this tag. When using the "-linkpkg" option with
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ocamlfind, this module will then be added twice on the command line.
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To solve this, one approach is to add the "-thread" option when using
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the "threads" package using the previous plugin.
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*)
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flag ["ocaml"; "pkg_threads"; "compile"] (S[A "-thread"]);
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flag ["ocaml"; "pkg_threads"; "link"] (S[A "-thread"]);
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flag ["ocaml"; "pkg_threads"; "infer_interface"] (S[A "-thread"])
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