setup.ml

(* setup.ml generated for the first time by OASIS v0.3.0 *)

(* OASIS_START *)
(* DO NOT EDIT (digest: 7124d8271b90e7680f0c88b83e5f3ea6) *)
(*
   Regenerated by OASIS v0.3.0
   Visit http://oasis.forge.ocamlcore.org for more information and
   documentation about functions used in this file.
*)
module OASISGettext = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/oasis/OASISGettext.ml"

  let ns_ str =
    str

  let s_ str =
    str

  let f_ (str : ('a, 'b, 'c, 'd) format4) =
    str

  let fn_ fmt1 fmt2 n =
    if n = 1 then
      fmt1^^""
    else
      fmt2^^""

  let init =
    []

end

module OASISContext = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/oasis/OASISContext.ml"

  open OASISGettext

  type level =
    [ `Debug
    | `Info
    | `Warning
    | `Error]

  type t =
    {
      quiet:                 bool;
      info:                  bool;
      debug:                 bool;
      ignore_plugins:        bool;
      ignore_unknown_fields: bool;
      printf:                level -> string -> unit;
    }

  let printf lvl str =
    let beg =
      match lvl with
        | `Error -> s_ "E: "
        | `Warning -> s_ "W: "
        | `Info  -> s_ "I: "
        | `Debug -> s_ "D: "
    in
      prerr_endline (beg^str)

  let default =
    ref
      {
        quiet                 = false;
        info                  = false;
        debug                 = false;
        ignore_plugins        = false;
        ignore_unknown_fields = false;
        printf                = printf;
      }

  let quiet =
    {!default with quiet = true}


  let args () =
    ["-quiet",
     Arg.Unit (fun () -> default := {!default with quiet = true}),
     (s_ " Run quietly");

     "-info",
     Arg.Unit (fun () -> default := {!default with info = true}),
     (s_ " Display information message");


     "-debug",
     Arg.Unit (fun () -> default := {!default with debug = true}),
     (s_ " Output debug message")]
end

module OASISString = struct
# 1 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/oasis/OASISString.ml"



  (** Various string utilities.
     
      Mostly inspired by extlib and batteries ExtString and BatString libraries.

      @author Sylvain Le Gall
    *)

  let nsplitf str f =
    if str = "" then
      []
    else
      let buf = Buffer.create 13 in
      let lst = ref [] in
      let push () =
        lst := Buffer.contents buf :: !lst;
        Buffer.clear buf
      in
      let str_len = String.length str in
        for i = 0 to str_len - 1 do
          if f str.[i] then
            push ()
          else
            Buffer.add_char buf str.[i]
        done;
        push ();
        List.rev !lst

  (** [nsplit c s] Split the string [s] at char [c]. It doesn't include the
      separator.
    *)
  let nsplit str c =
    nsplitf str ((=) c)

  let find ~what ?(offset=0) str =
    let what_idx = ref 0 in
    let str_idx = ref offset in 
      while !str_idx < String.length str && 
            !what_idx < String.length what do
        if str.[!str_idx] = what.[!what_idx] then
          incr what_idx
        else
          what_idx := 0;
        incr str_idx
      done;
      if !what_idx <> String.length what then
        raise Not_found
      else 
        !str_idx - !what_idx

  let sub_start str len = 
    let str_len = String.length str in
    if len >= str_len then
      ""
    else
      String.sub str len (str_len - len)

  let sub_end ?(offset=0) str len =
    let str_len = String.length str in
    if len >= str_len then
      ""
    else
      String.sub str 0 (str_len - len)

  let starts_with ~what ?(offset=0) str =
    let what_idx = ref 0 in
    let str_idx = ref offset in
    let ok = ref true in
      while !ok &&
            !str_idx < String.length str && 
            !what_idx < String.length what do
        if str.[!str_idx] = what.[!what_idx] then
          incr what_idx
        else
          ok := false;
        incr str_idx
      done;
      if !what_idx = String.length what then
        true
      else 
        false

  let strip_starts_with ~what str =
    if starts_with ~what str then
      sub_start str (String.length what)
    else
      raise Not_found

  let ends_with ~what ?(offset=0) str =
    let what_idx = ref ((String.length what) - 1) in
    let str_idx = ref ((String.length str) - 1) in
    let ok = ref true in
      while !ok &&
            offset <= !str_idx && 
            0 <= !what_idx do
        if str.[!str_idx] = what.[!what_idx] then
          decr what_idx
        else
          ok := false;
        decr str_idx
      done;
      if !what_idx = -1 then
        true
      else 
        false

  let strip_ends_with ~what str =
    if ends_with ~what str then
      sub_end str (String.length what)
    else
      raise Not_found

  let replace_chars f s =
    let buf = String.make (String.length s) 'X' in
      for i = 0 to String.length s - 1 do
        buf.[i] <- f s.[i]
      done;
      buf

end

module OASISUtils = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/oasis/OASISUtils.ml"

  open OASISGettext

  module MapString = Map.Make(String)

  let map_string_of_assoc assoc =
    List.fold_left
      (fun acc (k, v) -> MapString.add k v acc)
      MapString.empty
      assoc

  module SetString = Set.Make(String)

  let set_string_add_list st lst =
    List.fold_left
      (fun acc e -> SetString.add e acc)
      st
      lst

  let set_string_of_list =
    set_string_add_list
      SetString.empty


  let compare_csl s1 s2 =
    String.compare (String.lowercase s1) (String.lowercase s2)

  module HashStringCsl =
    Hashtbl.Make
      (struct
         type t = string

         let equal s1 s2 =
             (String.lowercase s1) = (String.lowercase s2)

         let hash s =
           Hashtbl.hash (String.lowercase s)
       end)

  let varname_of_string ?(hyphen='_') s =
    if String.length s = 0 then
      begin
        invalid_arg "varname_of_string"
      end
    else
      begin
        let buf =
          OASISString.replace_chars
            (fun c ->
               if ('a' <= c && c <= 'z')
                 ||
                  ('A' <= c && c <= 'Z')
                 ||
                  ('0' <= c && c <= '9') then
                 c
               else
                 hyphen)
            s;
        in
        let buf =
          (* Start with a _ if digit *)
          if '0' <= s.[0] && s.[0] <= '9' then
            "_"^buf
          else
            buf
        in
          String.lowercase buf
      end

  let varname_concat ?(hyphen='_') p s =
    let what = String.make 1 hyphen in
    let p =
      try
        OASISString.strip_ends_with ~what p
      with Not_found ->
        p
    in
    let s =
      try
        OASISString.strip_starts_with ~what s
      with Not_found ->
        s
    in
      p^what^s


  let is_varname str =
    str = varname_of_string str

  let failwithf fmt = Printf.ksprintf failwith fmt

end

module PropList = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/oasis/PropList.ml"

  open OASISGettext

  type name = string

  exception Not_set of name * string option
  exception No_printer of name
  exception Unknown_field of name * name

  let () =
    Printexc.register_printer
      (function
         | Not_set (nm, Some rsn) ->
             Some 
               (Printf.sprintf (f_ "Field '%s' is not set: %s") nm rsn)
         | Not_set (nm, None) ->
             Some 
               (Printf.sprintf (f_ "Field '%s' is not set") nm)
         | No_printer nm ->
             Some
               (Printf.sprintf (f_ "No default printer for value %s") nm)
         | Unknown_field (nm, schm) ->
             Some 
               (Printf.sprintf (f_ "Field %s is not defined in schema %s") nm schm)
         | _ ->
             None)

  module Data =
  struct

    type t =
        (name, unit -> unit) Hashtbl.t

    let create () =
      Hashtbl.create 13

    let clear t =
      Hashtbl.clear t

# 71 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/oasis/PropList.ml"
  end

  module Schema =
  struct

    type ('ctxt, 'extra) value =
        {
          get:   Data.t -> string;
          set:   Data.t -> ?context:'ctxt -> string -> unit;
          help:  (unit -> string) option;
          extra: 'extra;
        }

    type ('ctxt, 'extra) t =
        {
          name:      name;
          fields:    (name, ('ctxt, 'extra) value) Hashtbl.t;
          order:     name Queue.t;
          name_norm: string -> string;
        }

    let create ?(case_insensitive=false) nm =
      {
        name      = nm;
        fields    = Hashtbl.create 13;
        order     = Queue.create ();
        name_norm =
          (if case_insensitive then
             String.lowercase
           else
             fun s -> s);
      }

    let add t nm set get extra help =
      let key =
        t.name_norm nm
      in

        if Hashtbl.mem t.fields key then
          failwith
            (Printf.sprintf
               (f_ "Field '%s' is already defined in schema '%s'")
               nm t.name);
        Hashtbl.add
          t.fields
          key
          {
            set   = set;
            get   = get;
            help  = help;
            extra = extra;
          };
        Queue.add nm t.order

    let mem t nm =
      Hashtbl.mem t.fields nm

    let find t nm =
      try
        Hashtbl.find t.fields (t.name_norm nm)
      with Not_found ->
        raise (Unknown_field (nm, t.name))

    let get t data nm =
      (find t nm).get data

    let set t data nm ?context x =
      (find t nm).set
        data
        ?context
        x

    let fold f acc t =
      Queue.fold
        (fun acc k ->
           let v =
             find t k
           in
             f acc k v.extra v.help)
        acc
        t.order

    let iter f t =
      fold
        (fun () -> f)
        ()
        t

    let name t =
      t.name
  end

  module Field =
  struct

    type ('ctxt, 'value, 'extra) t =
        {
          set:    Data.t -> ?context:'ctxt -> 'value -> unit;
          get:    Data.t -> 'value;
          sets:   Data.t -> ?context:'ctxt -> string -> unit;
          gets:   Data.t -> string;
          help:   (unit -> string) option;
          extra:  'extra;
        }

    let new_id =
      let last_id =
        ref 0
      in
        fun () -> incr last_id; !last_id

    let create ?schema ?name ?parse ?print ?default ?update ?help extra =
      (* Default value container *)
      let v =
        ref None
      in

      (* If name is not given, create unique one *)
      let nm =
        match name with
          | Some s -> s
          | None -> Printf.sprintf "_anon_%d" (new_id ())
      in

      (* Last chance to get a value: the default *)
      let default () =
        match default with
          | Some d -> d
          | None -> raise (Not_set (nm, Some (s_ "no default value")))
      in

      (* Get data *)
      let get data =
        (* Get value *)
        try
          (Hashtbl.find data nm) ();
          match !v with
            | Some x -> x
            | None -> default ()
        with Not_found ->
          default ()
      in

      (* Set data *)
      let set data ?context x =
        let x =
          match update with
            | Some f ->
                begin
                  try
                    f ?context (get data) x
                  with Not_set _ ->
                    x
                end
            | None ->
                x
        in
          Hashtbl.replace
            data
            nm
            (fun () -> v := Some x)
      in

      (* Parse string value, if possible *)
      let parse =
        match parse with
          | Some f ->
              f
          | None ->
              fun ?context s ->
                failwith
                  (Printf.sprintf
                     (f_ "Cannot parse field '%s' when setting value %S")
                     nm
                     s)
      in

      (* Set data, from string *)
      let sets data ?context s =
        set ?context data (parse ?context s)
      in

      (* Output value as string, if possible *)
      let print =
        match print with
          | Some f ->
              f
          | None ->
              fun _ -> raise (No_printer nm)
      in

      (* Get data, as a string *)
      let gets data =
        print (get data)
      in

        begin
          match schema with
            | Some t ->
                Schema.add t nm sets gets extra help
            | None ->
                ()
        end;

        {
          set   = set;
          get   = get;
          sets  = sets;
          gets  = gets;
          help  = help;
          extra = extra;
        }

    let fset data t ?context x =
      t.set data ?context x

    let fget data t =
      t.get data

    let fsets data t ?context s =
      t.sets data ?context s

    let fgets data t =
      t.gets data

  end

  module FieldRO =
  struct

    let create ?schema ?name ?parse ?print ?default ?update ?help extra =
      let fld =
        Field.create ?schema ?name ?parse ?print ?default ?update ?help extra
      in
        fun data -> Field.fget data fld

  end
end

module OASISMessage = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/oasis/OASISMessage.ml"


  open OASISGettext
  open OASISContext

  let generic_message ~ctxt lvl fmt =
    let cond =
      if ctxt.quiet then
        false
      else
        match lvl with
          | `Debug -> ctxt.debug
          | `Info  -> ctxt.info
          | _ -> true
    in
      Printf.ksprintf
        (fun str ->
           if cond then
             begin
               ctxt.printf lvl str
             end)
        fmt

  let debug ~ctxt fmt =
    generic_message ~ctxt `Debug fmt

  let info ~ctxt fmt =
    generic_message ~ctxt `Info fmt

  let warning ~ctxt fmt =
    generic_message ~ctxt `Warning fmt

  let error ~ctxt fmt =
    generic_message ~ctxt `Error fmt

end

module OASISVersion = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/oasis/OASISVersion.ml"

  open OASISGettext



  type s = string

  type t = string 

  type comparator =
    | VGreater of t
    | VGreaterEqual of t
    | VEqual of t
    | VLesser of t
    | VLesserEqual of t
    | VOr of  comparator * comparator
    | VAnd of comparator * comparator
    

  (* Range of allowed characters *)
  let is_digit c =
    '0' <= c && c <= '9'

  let is_alpha c =
    ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z')

  let is_special =
    function
      | '.' | '+' | '-' | '~' -> true
      | _ -> false

  let rec version_compare v1 v2 =
    if v1 <> "" || v2 <> "" then
      begin
        (* Compare ascii string, using special meaning for version
         * related char
         *)
        let val_ascii c =
          if c = '~' then -1
          else if is_digit c then 0
          else if c = '\000' then 0
          else if is_alpha c then Char.code c
          else (Char.code c) + 256
        in

        let len1 = String.length v1 in
        let len2 = String.length v2 in

        let p = ref 0 in

        (** Compare ascii part *)
        let compare_vascii () =
          let cmp = ref 0 in
          while !cmp = 0 &&
                !p < len1 && !p < len2 &&
                not (is_digit v1.[!p] && is_digit v2.[!p]) do
            cmp := (val_ascii v1.[!p]) - (val_ascii v2.[!p]);
            incr p
          done;
          if !cmp = 0 && !p < len1 && !p = len2 then
            val_ascii v1.[!p]
          else if !cmp = 0 && !p = len1 && !p < len2 then
            - (val_ascii v2.[!p])
          else
            !cmp
        in

        (** Compare digit part *)
        let compare_digit () =
          let extract_int v p =
            let start_p = !p in
              while !p < String.length v && is_digit v.[!p] do
                incr p
              done;
              let substr = 
                String.sub v !p ((String.length v) - !p)
              in 
              let res = 
                match String.sub v start_p (!p - start_p) with 
                  | "" -> 0
                  | s -> int_of_string s
              in
                res, substr
          in
          let i1, tl1 = extract_int v1 (ref !p) in
          let i2, tl2 = extract_int v2 (ref !p) in
            i1 - i2, tl1, tl2
        in

          match compare_vascii () with
            | 0 ->
                begin
                  match compare_digit () with
                    | 0, tl1, tl2 ->
                        if tl1 <> "" && is_digit tl1.[0] then
                          1
                        else if tl2 <> "" && is_digit tl2.[0] then
                          -1
                        else
                          version_compare tl1 tl2
                    | n, _, _ ->
                        n
                end
            | n ->
                n
      end
    else
      begin
        0
      end


  let version_of_string str = str

  let string_of_version t = t

  let chop t =
    try
      let pos =
        String.rindex t '.'
      in
        String.sub t 0 pos
    with Not_found ->
      t

  let rec comparator_apply v op =
    match op with
      | VGreater cv ->
          (version_compare v cv) > 0
      | VGreaterEqual cv ->
          (version_compare v cv) >= 0
      | VLesser cv ->
          (version_compare v cv) < 0
      | VLesserEqual cv ->
          (version_compare v cv) <= 0
      | VEqual cv ->
          (version_compare v cv) = 0
      | VOr (op1, op2) ->
          (comparator_apply v op1) || (comparator_apply v op2)
      | VAnd (op1, op2) ->
          (comparator_apply v op1) && (comparator_apply v op2)

  let rec string_of_comparator =
    function
      | VGreater v  -> "> "^(string_of_version v)
      | VEqual v    -> "= "^(string_of_version v)
      | VLesser v   -> "< "^(string_of_version v)
      | VGreaterEqual v -> ">= "^(string_of_version v)
      | VLesserEqual v  -> "<= "^(string_of_version v)
      | VOr (c1, c2)  ->
          (string_of_comparator c1)^" || "^(string_of_comparator c2)
      | VAnd (c1, c2) ->
          (string_of_comparator c1)^" && "^(string_of_comparator c2)

  let rec varname_of_comparator =
    let concat p v =
      OASISUtils.varname_concat
        p
        (OASISUtils.varname_of_string
           (string_of_version v))
    in
      function
        | VGreater v -> concat "gt" v
        | VLesser v  -> concat "lt" v
        | VEqual v   -> concat "eq" v
        | VGreaterEqual v -> concat "ge" v
        | VLesserEqual v  -> concat "le" v
        | VOr (c1, c2) ->
            (varname_of_comparator c1)^"_or_"^(varname_of_comparator c2)
        | VAnd (c1, c2) ->
            (varname_of_comparator c1)^"_and_"^(varname_of_comparator c2)

  let version_0_3_or_after t =
    comparator_apply t (VGreaterEqual (string_of_version "0.3"))

end

module OASISLicense = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/oasis/OASISLicense.ml"

  (** License for _oasis fields
      @author Sylvain Le Gall
    *)



  type license = string 

  type license_exception = string 

  type license_version =
    | Version of OASISVersion.t
    | VersionOrLater of OASISVersion.t
    | NoVersion
    

  type license_dep_5_unit =
    {
      license:   license;
      excption:  license_exception option;
      version:   license_version;
    }
    

  type license_dep_5 =
    | DEP5Unit of license_dep_5_unit
    | DEP5Or of license_dep_5 list
    | DEP5And of license_dep_5 list
    

  type t =
    | DEP5License of license_dep_5
    | OtherLicense of string (* URL *)
    

end

module OASISExpr = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/oasis/OASISExpr.ml"



  open OASISGettext

  type test = string 

  type flag = string 

  type t =
    | EBool of bool
    | ENot of t
    | EAnd of t * t
    | EOr of t * t
    | EFlag of flag
    | ETest of test * string
    

  type 'a choices = (t * 'a) list 

  let eval var_get t =
    let rec eval' =
      function
        | EBool b ->
            b

        | ENot e ->
            not (eval' e)

        | EAnd (e1, e2) ->
            (eval' e1) && (eval' e2)

        | EOr (e1, e2) ->
            (eval' e1) || (eval' e2)

        | EFlag nm ->
            let v =
              var_get nm
            in
              assert(v = "true" || v = "false");
              (v = "true")

        | ETest (nm, vl) ->
            let v =
              var_get nm
            in
              (v = vl)
    in
      eval' t

  let choose ?printer ?name var_get lst =
    let rec choose_aux =
      function
        | (cond, vl) :: tl ->
            if eval var_get cond then
              vl
            else
              choose_aux tl
        | [] ->
            let str_lst =
              if lst = [] then
                s_ "<empty>"
              else
                String.concat
                  (s_ ", ")
                  (List.map
                     (fun (cond, vl) ->
                        match printer with
                          | Some p -> p vl
                          | None -> s_ "<no printer>")
                     lst)
            in
              match name with
                | Some nm ->
                    failwith
                      (Printf.sprintf
                         (f_ "No result for the choice list '%s': %s")
                         nm str_lst)
                | None ->
                    failwith
                      (Printf.sprintf
                         (f_ "No result for a choice list: %s")
                         str_lst)
    in
      choose_aux (List.rev lst)

end

module OASISTypes = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/oasis/OASISTypes.ml"




  type name          = string 
  type package_name  = string 
  type url           = string 
  type unix_dirname  = string 
  type unix_filename = string 
  type host_dirname  = string 
  type host_filename = string 
  type prog          = string 
  type arg           = string 
  type args          = string list 
  type command_line  = (prog * arg list) 

  type findlib_name = string 
  type findlib_full = string 

  type compiled_object =
    | Byte
    | Native
    | Best
    

  type dependency =
    | FindlibPackage of findlib_full * OASISVersion.comparator option
    | InternalLibrary of name
    

  type tool =
    | ExternalTool of name
    | InternalExecutable of name
    

  type vcs =
    | Darcs
    | Git
    | Svn
    | Cvs
    | Hg
    | Bzr
    | Arch
    | Monotone
    | OtherVCS of url
    

  type plugin_kind =
      [  `Configure
       | `Build
       | `Doc
       | `Test
       | `Install
       | `Extra
      ]

  type plugin_data_purpose =
      [  `Configure
       | `Build
       | `Install
       | `Clean
       | `Distclean
       | `Install
       | `Uninstall
       | `Test
       | `Doc
       | `Extra
       | `Other of string
      ]

  type 'a plugin = 'a * name * OASISVersion.t option 

  type all_plugin = plugin_kind plugin

  type plugin_data = (all_plugin * plugin_data_purpose * (unit -> unit)) list

# 102 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/oasis/OASISTypes.ml"

  type 'a conditional = 'a OASISExpr.choices 

  type custom =
      {
        pre_command:  (command_line option) conditional;
        post_command: (command_line option) conditional;
      }
      

  type common_section =
      {
        cs_name: name;
        cs_data: PropList.Data.t;
        cs_plugin_data: plugin_data;
      }
      

  type build_section =
      {
        bs_build:           bool conditional;
        bs_install:         bool conditional;
        bs_path:            unix_dirname;
        bs_compiled_object: compiled_object;
        bs_build_depends:   dependency list;
        bs_build_tools:     tool list;
        bs_c_sources:       unix_filename list;
        bs_data_files:      (unix_filename * unix_filename option) list;
        bs_ccopt:           args conditional;
        bs_cclib:           args conditional;
        bs_dlllib:          args conditional;
        bs_dllpath:         args conditional;
        bs_byteopt:         args conditional;
        bs_nativeopt:       args conditional;
      }
      

  type library =
      {
        lib_modules:            string list;
        lib_pack:               bool;
        lib_internal_modules:   string list;
        lib_findlib_parent:     findlib_name option;
        lib_findlib_name:       findlib_name option;
        lib_findlib_containers: findlib_name list;
      } 

  type executable =
      {
        exec_custom:          bool;
        exec_main_is:         unix_filename;
      } 

  type flag =
      {
        flag_description:  string option;
        flag_default:      bool conditional;
      } 

  type source_repository =
      {
        src_repo_type:        vcs;
        src_repo_location:    url;
        src_repo_browser:     url option;
        src_repo_module:      string option;
        src_repo_branch:      string option;
        src_repo_tag:         string option;
        src_repo_subdir:      unix_filename option;
      } 

  type test =
      {
        test_type:               [`Test] plugin;
        test_command:            command_line conditional;
        test_custom:             custom;
        test_working_directory:  unix_filename option;
        test_run:                bool conditional;
        test_tools:              tool list;
      } 

  type doc_format =
    | HTML of unix_filename
    | DocText
    | PDF
    | PostScript
    | Info of unix_filename
    | DVI
    | OtherDoc
    

  type doc =
      {
        doc_type:        [`Doc] plugin;
        doc_custom:      custom;
        doc_build:       bool conditional;
        doc_install:     bool conditional;
        doc_install_dir: unix_filename;
        doc_title:       string;
        doc_authors:     string list;
        doc_abstract:    string option;
        doc_format:      doc_format;
        doc_data_files:  (unix_filename * unix_filename option) list;
        doc_build_tools: tool list;
      } 

  type section =
    | Library    of common_section * build_section * library
    | Executable of common_section * build_section * executable
    | Flag       of common_section * flag
    | SrcRepo    of common_section * source_repository
    | Test       of common_section * test
    | Doc        of common_section * doc
    

  type section_kind =
      [ `Library | `Executable | `Flag | `SrcRepo | `Test | `Doc ]

  type package = 
      {
        oasis_version:    OASISVersion.t;
        ocaml_version:    OASISVersion.comparator option;
        findlib_version:  OASISVersion.comparator option;
        name:             package_name;
        version:          OASISVersion.t;
        license:          OASISLicense.t;
        license_file:     unix_filename option;
        copyrights:       string list;
        maintainers:      string list;
        authors:          string list;
        homepage:         url option;
        synopsis:         string;
        description:      string option;
        categories:       url list;

        conf_type:        [`Configure] plugin;
        conf_custom:      custom;

        build_type:       [`Build] plugin;
        build_custom:     custom;

        install_type:     [`Install] plugin;
        install_custom:   custom;
        uninstall_custom: custom;

        clean_custom:     custom;
        distclean_custom: custom;

        files_ab:         unix_filename list;
        sections:         section list;
        plugins:          [`Extra] plugin list;
        schema_data:      PropList.Data.t;
        plugin_data:      plugin_data;
      } 

end

module OASISUnixPath = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/oasis/OASISUnixPath.ml"

  type unix_filename = string
  type unix_dirname = string

  type host_filename = string
  type host_dirname = string

  let current_dir_name = "."

  let parent_dir_name = ".."

  let is_current_dir fn =
    fn = current_dir_name || fn = ""

  let concat f1 f2 =
    if is_current_dir f1 then
      f2
    else
      let f1' =
        try OASISString.strip_ends_with ~what:"/" f1 with Not_found -> f1
      in
        f1'^"/"^f2

  let make =
    function
      | hd :: tl ->
          List.fold_left
            (fun f p -> concat f p)
            hd
            tl
      | [] ->
          invalid_arg "OASISUnixPath.make"

  let dirname f =
    try
      String.sub f 0 (String.rindex f '/')
    with Not_found ->
      current_dir_name

  let basename f =
    try
      let pos_start =
        (String.rindex f '/') + 1
      in
        String.sub f pos_start ((String.length f) - pos_start)
    with Not_found ->
      f

  let chop_extension f =
    try
      let last_dot =
        String.rindex f '.'
      in
      let sub =
        String.sub f 0 last_dot
      in
        try
          let last_slash =
            String.rindex f '/'
          in
            if last_slash < last_dot then
              sub
            else
              f
        with Not_found ->
          sub

    with Not_found ->
      f

  let capitalize_file f =
    let dir = dirname f in
    let base = basename f in
    concat dir (String.capitalize base)

  let uncapitalize_file f =
    let dir = dirname f in
    let base = basename f in
    concat dir (String.uncapitalize base)

end

module OASISHostPath = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/oasis/OASISHostPath.ml"


  open Filename

  module Unix = OASISUnixPath

  let make =
    function
      | [] ->
          invalid_arg "OASISHostPath.make"
      | hd :: tl ->
          List.fold_left Filename.concat hd tl

  let of_unix ufn =
    if Sys.os_type = "Unix" then
      ufn
    else
      make
        (List.map
           (fun p ->
              if p = Unix.current_dir_name then
                current_dir_name
              else if p = Unix.parent_dir_name then
                parent_dir_name
              else
                p)
           (OASISString.nsplit ufn '/'))


end

module OASISSection = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/oasis/OASISSection.ml"

  open OASISTypes

  let section_kind_common = 
    function
      | Library (cs, _, _) -> 
          `Library, cs
      | Executable (cs, _, _) ->
          `Executable, cs
      | Flag (cs, _) ->
          `Flag, cs
      | SrcRepo (cs, _) ->
          `SrcRepo, cs
      | Test (cs, _) ->
          `Test, cs
      | Doc (cs, _) ->
          `Doc, cs

  let section_common sct =
    snd (section_kind_common sct)

  let section_common_set cs =
    function
      | Library (_, bs, lib)     -> Library (cs, bs, lib)
      | Executable (_, bs, exec) -> Executable (cs, bs, exec)
      | Flag (_, flg)            -> Flag (cs, flg)
      | SrcRepo (_, src_repo)    -> SrcRepo (cs, src_repo)
      | Test (_, tst)            -> Test (cs, tst)
      | Doc (_, doc)             -> Doc (cs, doc)

  (** Key used to identify section
    *)
  let section_id sct = 
    let k, cs = 
      section_kind_common sct
    in
      k, cs.cs_name

  let string_of_section sct =
    let k, nm =
      section_id sct
    in
      (match k with
         | `Library    -> "library" 
         | `Executable -> "executable"
         | `Flag       -> "flag"
         | `SrcRepo    -> "src repository"
         | `Test       -> "test"
         | `Doc        -> "doc")
      ^" "^nm

  let section_find id scts =
    List.find
      (fun sct -> id = section_id sct)
      scts

  module CSection =
  struct
    type t = section

    let id = section_id

    let compare t1 t2 = 
      compare (id t1) (id t2)
      
    let equal t1 t2 =
      (id t1) = (id t2)

    let hash t =
      Hashtbl.hash (id t)
  end

  module MapSection = Map.Make(CSection)
  module SetSection = Set.Make(CSection)

end

module OASISBuildSection = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/oasis/OASISBuildSection.ml"

end

module OASISExecutable = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/oasis/OASISExecutable.ml"

  open OASISTypes

  let unix_exec_is (cs, bs, exec) is_native ext_dll suffix_program = 
    let dir = 
      OASISUnixPath.concat
        bs.bs_path
        (OASISUnixPath.dirname exec.exec_main_is)
    in
    let is_native_exec = 
      match bs.bs_compiled_object with
        | Native -> true
        | Best -> is_native ()
        | Byte -> false
    in

      OASISUnixPath.concat
        dir
        (cs.cs_name^(suffix_program ())),

      if not is_native_exec && 
         not exec.exec_custom && 
         bs.bs_c_sources <> [] then
        Some (dir^"/dll"^cs.cs_name^"_stubs"^(ext_dll ()))
      else
        None

end

module OASISLibrary = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/oasis/OASISLibrary.ml"

  open OASISTypes
  open OASISUtils
  open OASISGettext
  open OASISSection

  type library_name = name
  type findlib_part_name = name
  type 'a map_of_findlib_part_name = 'a OASISUtils.MapString.t

  exception InternalLibraryNotFound of library_name
  exception FindlibPackageNotFound of findlib_name

  type group_t =
    | Container of findlib_name * group_t list
    | Package of (findlib_name *
                  common_section *
                  build_section *
                  library *
                  group_t list)

  (* Look for a module file, considering capitalization or not. *)
  let find_module source_file_exists (cs, bs, lib) modul =
    let possible_base_fn =
      List.map
        (OASISUnixPath.concat bs.bs_path)
        [modul;
         OASISUnixPath.uncapitalize_file modul;
         OASISUnixPath.capitalize_file modul]
    in
      (* TODO: we should be able to be able to determine the source for every
       * files. Hence we should introduce a Module(source: fn) for the fields
       * Modules and InternalModules
       *)
      List.fold_left
        (fun acc base_fn ->
           match acc with
             | `No_sources _ ->
                 begin
                   let file_found =
                     List.fold_left
                       (fun acc ext ->
                          if source_file_exists (base_fn^ext) then
                            (base_fn^ext) :: acc
                          else
                            acc)
                       []
                       [".ml"; ".mli"; ".mll"; ".mly"]
                   in
                     match file_found with
                       | [] ->
                           acc
                       | lst ->
                           `Sources (base_fn, lst)
                 end
             | `Sources _ ->
                 acc)
        (`No_sources possible_base_fn)
        possible_base_fn

  let source_unix_files ~ctxt (cs, bs, lib) source_file_exists =
    List.fold_left
      (fun acc modul ->
         match find_module source_file_exists (cs, bs, lib) modul with
           | `Sources (base_fn, lst) ->
               (base_fn, lst) :: acc
           | `No_sources _ ->
               OASISMessage.warning
                 ~ctxt
                 (f_ "Cannot find source file matching \
                      module '%s' in library %s")
                 modul cs.cs_name;
               acc)
      []
      (lib.lib_modules @ lib.lib_internal_modules)

  let generated_unix_files
        ~ctxt
        ~is_native
        ~has_native_dynlink
        ~ext_lib
        ~ext_dll
        ~source_file_exists
        (cs, bs, lib) =

    let find_modules lst ext = 
      let find_module modul =
        match find_module source_file_exists (cs, bs, lib) modul with
          | `Sources (base_fn, _) ->
              [base_fn]
          | `No_sources lst ->
              OASISMessage.warning
                ~ctxt
                (f_ "Cannot find source file matching \
                     module '%s' in library %s")
                modul cs.cs_name;
              lst
      in
      List.map 
        (fun nm -> 
           List.map 
             (fun base_fn -> base_fn ^"."^ext)
             (find_module nm))
        lst
    in

    (* The headers that should be compiled along *)
    let headers =
      if lib.lib_pack then
        []
      else
        find_modules
          lib.lib_modules
          "cmi"
    in

    (* The .cmx that be compiled along *)
    let cmxs =
      let should_be_built =
        (not lib.lib_pack) && (* Do not install .cmx packed submodules *)
        match bs.bs_compiled_object with
          | Native -> true
          | Best -> is_native
          | Byte -> false
      in
        if should_be_built then
          find_modules
            (lib.lib_modules @ lib.lib_internal_modules)
            "cmx"
        else
          []
    in

    let acc_nopath =
      []
    in

    (* Compute what libraries should be built *)
    let acc_nopath =
      (* Add the packed header file if required *)
      let add_pack_header acc =
        if lib.lib_pack then
          [cs.cs_name^".cmi"] :: acc
        else
          acc
      in
      let byte acc =
        add_pack_header ([cs.cs_name^".cma"] :: acc)
      in
      let native acc =
        let acc = 
          add_pack_header
            (if has_native_dynlink then
               [cs.cs_name^".cmxs"] :: acc
             else acc)
        in
          [cs.cs_name^".cmxa"] :: [cs.cs_name^ext_lib] :: acc
      in
        match bs.bs_compiled_object with
          | Native ->
              byte (native acc_nopath)
          | Best when is_native ->
              byte (native acc_nopath)
          | Byte | Best ->
              byte acc_nopath
    in

    (* Add C library to be built *)
    let acc_nopath =
      if bs.bs_c_sources <> [] then
        begin
          ["lib"^cs.cs_name^"_stubs"^ext_lib]
          ::
          ["dll"^cs.cs_name^"_stubs"^ext_dll]
          ::
          acc_nopath
        end
      else
        acc_nopath
    in

      (* All the files generated *)
      List.rev_append
        (List.rev_map
           (List.rev_map
              (OASISUnixPath.concat bs.bs_path))
           acc_nopath)
        (headers @ cmxs)

  type data = common_section * build_section * library
  type tree =
    | Node of (data option) * (tree MapString.t)
    | Leaf of data

  let findlib_mapping pkg =
    (* Map from library name to either full findlib name or parts + parent. *)
    let fndlb_parts_of_lib_name =
      let fndlb_parts cs lib =
        let name =
          match lib.lib_findlib_name with
            | Some nm -> nm
            | None -> cs.cs_name
        in
        let name =
          String.concat "." (lib.lib_findlib_containers @ [name])
        in
          name
      in
        List.fold_left
          (fun mp ->
             function
               | Library (cs, _, lib) ->
                   begin
                     let lib_name = cs.cs_name in
                     let fndlb_parts = fndlb_parts cs lib in
                       if MapString.mem lib_name mp then
                         failwithf
                           (f_ "The library name '%s' is used more than once.")
                           lib_name;
                       match lib.lib_findlib_parent with
                         | Some lib_name_parent ->
                             MapString.add
                               lib_name
                               (`Unsolved (lib_name_parent, fndlb_parts))
                               mp
                         | None ->
                             MapString.add
                               lib_name
                               (`Solved fndlb_parts)
                               mp
                   end

               | Executable _ | Test _ | Flag _ | SrcRepo _ | Doc _ ->
                   mp)
          MapString.empty
          pkg.sections
    in

    (* Solve the above graph to be only library name to full findlib name. *)
    let fndlb_name_of_lib_name =
      let rec solve visited mp lib_name lib_name_child =
        if SetString.mem lib_name visited then
          failwithf
            (f_ "Library '%s' is involved in a cycle \
                 with regard to findlib naming.")
            lib_name;
        let visited = SetString.add lib_name visited in
          try
            match MapString.find lib_name mp with
              | `Solved fndlb_nm ->
                  fndlb_nm, mp
              | `Unsolved (lib_nm_parent, post_fndlb_nm) ->
                  let pre_fndlb_nm, mp =
                    solve visited mp lib_nm_parent lib_name
                  in
                  let fndlb_nm = pre_fndlb_nm^"."^post_fndlb_nm in
                    fndlb_nm, MapString.add lib_name (`Solved fndlb_nm) mp
          with Not_found ->
            failwithf
              (f_ "Library '%s', which is defined as the findlib parent of \
                   library '%s', doesn't exist.")
              lib_name lib_name_child
      in
      let mp =
        MapString.fold
          (fun lib_name status mp ->
             match status with
               | `Solved _ ->
                   (* Solved initialy, no need to go further *)
                   mp
               | `Unsolved _ ->
                   let _, mp = solve SetString.empty mp lib_name "<none>" in
                     mp)
          fndlb_parts_of_lib_name
          fndlb_parts_of_lib_name
      in
        MapString.map
          (function
             | `Solved fndlb_nm -> fndlb_nm
             | `Unsolved _ -> assert false)
          mp
    in

    (* Convert an internal library name to a findlib name. *)
    let findlib_name_of_library_name lib_nm =
      try
        MapString.find lib_nm fndlb_name_of_lib_name
      with Not_found ->
        raise (InternalLibraryNotFound lib_nm)
    in

    (* Add a library to the tree.
     *)
    let add sct mp =
      let fndlb_fullname =
        let cs, _, _ = sct in
        let lib_name = cs.cs_name in
          findlib_name_of_library_name lib_name
      in
      let rec add_children nm_lst (children : tree MapString.t) =
        match nm_lst with
          | (hd :: tl) ->
              begin
                let node =
                  try
                    add_node tl (MapString.find hd children)
                  with Not_found ->
                    (* New node *)
                    new_node tl
                in
                  MapString.add hd node children
              end
          | [] ->
              (* Should not have a nameless library. *)
              assert false
      and add_node tl node =
        if tl = [] then
          begin
            match node with
              | Node (None, children) ->
                  Node (Some sct, children)
              | Leaf (cs', _, _) | Node (Some (cs', _, _), _) ->
                  (* TODO: allow to merge Package, i.e.
                   * archive(byte) = "foo.cma foo_init.cmo"
                   *)
                  let cs, _, _ = sct in
                    failwithf
                      (f_ "Library '%s' and '%s' have the same findlib name '%s'")
                      cs.cs_name cs'.cs_name fndlb_fullname
          end
        else
          begin
            match node with
              | Leaf data ->
                  Node (Some data, add_children tl MapString.empty)
              | Node (data_opt, children) ->
                  Node (data_opt, add_children tl children)
          end
      and new_node =
        function
          | [] ->
              Leaf sct
          | hd :: tl ->
              Node (None, MapString.add hd (new_node tl) MapString.empty)
      in
        add_children (OASISString.nsplit fndlb_fullname '.') mp
    in

    let rec group_of_tree mp =
      MapString.fold
        (fun nm node acc ->
           let cur =
             match node with
               | Node (Some (cs, bs, lib), children) ->
                   Package (nm, cs, bs, lib, group_of_tree children)
               | Node (None, children) ->
                   Container (nm, group_of_tree children)
               | Leaf (cs, bs, lib) ->
                   Package (nm, cs, bs, lib, [])
           in
             cur :: acc)
        mp []
    in

    let group_mp =
      List.fold_left
        (fun mp ->
           function
             | Library (cs, bs, lib) ->
                 add (cs, bs, lib) mp
             | _ ->
                 mp)
        MapString.empty
        pkg.sections
    in

    let groups =
      group_of_tree group_mp
    in

    let library_name_of_findlib_name =
      Lazy.lazy_from_fun
        (fun () ->
           (* Revert findlib_name_of_library_name. *)
           MapString.fold
             (fun k v mp -> MapString.add v k mp)
             fndlb_name_of_lib_name
             MapString.empty)
    in
    let library_name_of_findlib_name fndlb_nm =
      try
        MapString.find fndlb_nm (Lazy.force library_name_of_findlib_name)
      with Not_found ->
        raise (FindlibPackageNotFound fndlb_nm)
    in

      groups,
      findlib_name_of_library_name,
      library_name_of_findlib_name

  let findlib_of_group =
    function
      | Container (fndlb_nm, _)
      | Package (fndlb_nm, _, _, _, _) -> fndlb_nm

  let root_of_group grp =
    let rec root_lib_aux =
      (* We do a DFS in the group. *)
      function
        | Container (_, children) ->
            List.fold_left
              (fun res grp ->
                 if res = None then
                   root_lib_aux grp
                 else
                   res)
              None
              children
        | Package (_, cs, bs, lib, _) ->
            Some (cs, bs, lib)
    in
      match root_lib_aux grp with
        | Some res ->
            res
        | None ->
            failwithf
              (f_ "Unable to determine root library of findlib library '%s'")
              (findlib_of_group grp)

end

module OASISFlag = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/oasis/OASISFlag.ml"

end

module OASISPackage = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/oasis/OASISPackage.ml"

end

module OASISSourceRepository = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/oasis/OASISSourceRepository.ml"

end

module OASISTest = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/oasis/OASISTest.ml"

end

module OASISDocument = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/oasis/OASISDocument.ml"

end

module OASISExec = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/oasis/OASISExec.ml"

  open OASISGettext
  open OASISUtils
  open OASISMessage

  (* TODO: I don't like this quote, it is there because $(rm) foo expands to
   * 'rm -f' foo...
   *)
  let run ~ctxt ?f_exit_code ?(quote=true) cmd args =
    let cmd =
      if quote then
        if Sys.os_type = "Win32" then
          if String.contains cmd ' ' then
            (* Double the 1st double quote... win32... sigh *)
            "\""^(Filename.quote cmd)
          else
            cmd
        else
          Filename.quote cmd
      else
        cmd
    in
    let cmdline =
      String.concat " " (cmd :: args)
    in
      info ~ctxt (f_ "Running command '%s'") cmdline;
      match f_exit_code, Sys.command cmdline with
        | None, 0 -> ()
        | None, i ->
            failwithf
              (f_ "Command '%s' terminated with error code %d")
              cmdline i
        | Some f, i ->
            f i

  let run_read_output ~ctxt ?f_exit_code cmd args =
    let fn =
      Filename.temp_file "oasis-" ".txt"
    in
      try
        begin
          let () =
            run ~ctxt ?f_exit_code cmd (args @ [">"; Filename.quote fn])
          in
          let chn =
            open_in fn
          in
          let routput =
            ref []
          in
            begin
              try
                while true do
                  routput := (input_line chn) :: !routput
                done
              with End_of_file ->
                ()
            end;
            close_in chn;
            Sys.remove fn;
            List.rev !routput
        end
      with e ->
        (try Sys.remove fn with _ -> ());
        raise e

  let run_read_one_line ~ctxt ?f_exit_code cmd args =
    match run_read_output ~ctxt ?f_exit_code cmd args with
      | [fst] ->
          fst
      | lst ->
          failwithf
            (f_ "Command return unexpected output %S")
            (String.concat "\n" lst)
end

module OASISFileUtil = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/oasis/OASISFileUtil.ml"

  open OASISGettext

  let file_exists_case fn =
    let dirname = Filename.dirname fn in
    let basename = Filename.basename fn in
      if Sys.file_exists dirname then
        if basename = Filename.current_dir_name then
          true
        else
          List.mem
            basename
            (Array.to_list (Sys.readdir dirname))
      else
        false

  let find_file ?(case_sensitive=true) paths exts =

    (* Cardinal product of two list *)
    let ( * ) lst1 lst2 =
      List.flatten
        (List.map
           (fun a ->
              List.map
                (fun b -> a,b)
                lst2)
           lst1)
    in

    let rec combined_paths lst =
      match lst with
        | p1 :: p2 :: tl ->
            let acc =
              (List.map
                 (fun (a,b) -> Filename.concat a b)
                 (p1 * p2))
            in
              combined_paths (acc :: tl)
        | [e] ->
            e
        | [] ->
            []
    in

    let alternatives =
      List.map
        (fun (p,e) ->
           if String.length e > 0 && e.[0] <> '.' then
             p ^ "." ^ e
           else
             p ^ e)
        ((combined_paths paths) * exts)
    in
      List.find
        (if case_sensitive then
           file_exists_case
         else
           Sys.file_exists)
        alternatives

  let which ~ctxt prg =
    let path_sep =
      match Sys.os_type with
        | "Win32" ->
            ';'
        | _ ->
            ':'
    in
    let path_lst = OASISString.nsplit (Sys.getenv "PATH") path_sep in
    let exec_ext =
      match Sys.os_type with
        | "Win32" ->
            "" :: (OASISString.nsplit (Sys.getenv "PATHEXT") path_sep)
        | _ ->
            [""]
    in
      find_file ~case_sensitive:false [path_lst; [prg]] exec_ext

  (**/**)
  let rec fix_dir dn =
    (* Windows hack because Sys.file_exists "src\\" = false when
     * Sys.file_exists "src" = true
     *)
    let ln =
      String.length dn
    in
      if Sys.os_type = "Win32" && ln > 0 && dn.[ln - 1] = '\\' then
        fix_dir (String.sub dn 0 (ln - 1))
      else
        dn

  let q = Filename.quote
  (**/**)

  let cp ~ctxt ?(recurse=false) src tgt =
    if recurse then
      match Sys.os_type with
        | "Win32" ->
            OASISExec.run ~ctxt
              "xcopy" [q src; q tgt; "/E"]
        | _ ->
            OASISExec.run ~ctxt
              "cp" ["-r"; q src; q tgt]
    else
      OASISExec.run ~ctxt
        (match Sys.os_type with
         | "Win32" -> "copy"
         | _ -> "cp")
        [q src; q tgt]

  let mkdir ~ctxt tgt =
    OASISExec.run ~ctxt
      (match Sys.os_type with
         | "Win32" -> "md"
         | _ -> "mkdir")
      [q tgt]

  let rec mkdir_parent ~ctxt f tgt =
    let tgt =
      fix_dir tgt
    in
      if Sys.file_exists tgt then
        begin
          if not (Sys.is_directory tgt) then
            OASISUtils.failwithf
              (f_ "Cannot create directory '%s', a file of the same name already \
                   exists")
              tgt
        end
      else
        begin
          mkdir_parent ~ctxt f (Filename.dirname tgt);
          if not (Sys.file_exists tgt) then
            begin
              f tgt;
              mkdir ~ctxt tgt
            end
        end

  let rmdir ~ctxt tgt =
    if Sys.readdir tgt = [||] then
      begin
        match Sys.os_type with
          | "Win32" ->
              OASISExec.run ~ctxt "rd" [q tgt]
          | _ ->
              OASISExec.run ~ctxt "rm" ["-r"; q tgt]
      end

  let glob ~ctxt fn =
   let basename =
     Filename.basename fn
   in
     if String.length basename >= 2 &&
        basename.[0] = '*' &&
        basename.[1] = '.' then
       begin
         let ext_len =
           (String.length basename) - 2
         in
         let ext =
           String.sub basename 2 ext_len
         in
         let dirname =
           Filename.dirname fn
         in
           Array.fold_left
             (fun acc fn ->
                try
                  let fn_ext =
                    String.sub
                      fn
                      ((String.length fn) - ext_len)
                      ext_len
                  in
                    if fn_ext = ext then
                      (Filename.concat dirname fn) :: acc
                    else
                      acc
                with Invalid_argument _ ->
                  acc)
             []
             (Sys.readdir dirname)
       end
     else
       begin
         if file_exists_case fn then
           [fn]
         else
           []
       end
end


# 2142 "setup.ml"
module BaseEnvLight = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/base/BaseEnvLight.ml"

  module MapString = Map.Make(String)

  type t = string MapString.t

  let default_filename =
    Filename.concat
      (Sys.getcwd ())
      "setup.data"

  let load ?(allow_empty=false) ?(filename=default_filename) () =
    if Sys.file_exists filename then
      begin
        let chn =
          open_in_bin filename
        in
        let st =
          Stream.of_channel chn
        in
        let line =
          ref 1
        in
        let st_line =
          Stream.from
            (fun _ ->
               try
                 match Stream.next st with
                   | '\n' -> incr line; Some '\n'
                   | c -> Some c
               with Stream.Failure -> None)
        in
        let lexer =
          Genlex.make_lexer ["="] st_line
        in
        let rec read_file mp =
          match Stream.npeek 3 lexer with
            | [Genlex.Ident nm; Genlex.Kwd "="; Genlex.String value] ->
                Stream.junk lexer;
                Stream.junk lexer;
                Stream.junk lexer;
                read_file (MapString.add nm value mp)
            | [] ->
                mp
            | _ ->
                failwith
                  (Printf.sprintf
                     "Malformed data file '%s' line %d"
                     filename !line)
        in
        let mp =
          read_file MapString.empty
        in
          close_in chn;
          mp
      end
    else if allow_empty then
      begin
        MapString.empty
      end
    else
      begin
        failwith
          (Printf.sprintf
             "Unable to load environment, the file '%s' doesn't exist."
             filename)
      end

  let var_get name env =
    let rec var_expand str =
      let buff =
        Buffer.create ((String.length str) * 2)
      in
        Buffer.add_substitute
          buff
          (fun var ->
             try
               var_expand (MapString.find var env)
             with Not_found ->
               failwith
                 (Printf.sprintf
                    "No variable %s defined when trying to expand %S."
                    var
                    str))
          str;
        Buffer.contents buff
    in
      var_expand (MapString.find name env)

  let var_choose lst env =
    OASISExpr.choose
      (fun nm -> var_get nm env)
      lst
end


# 2240 "setup.ml"
module BaseContext = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/base/BaseContext.ml"

  open OASISContext

  let args = args

  let default = default

end

module BaseMessage = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/base/BaseMessage.ml"

  (** Message to user, overrid for Base
      @author Sylvain Le Gall
    *)
  open OASISMessage
  open BaseContext

  let debug fmt   = debug ~ctxt:!default fmt

  let info fmt    = info ~ctxt:!default fmt

  let warning fmt = warning ~ctxt:!default fmt

  let error fmt = error ~ctxt:!default fmt

end

module BaseEnv = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/base/BaseEnv.ml"

  open OASISGettext
  open OASISUtils
  open PropList

  module MapString = BaseEnvLight.MapString

  type origin_t =
    | ODefault
    | OGetEnv
    | OFileLoad
    | OCommandLine

  type cli_handle_t =
    | CLINone
    | CLIAuto
    | CLIWith
    | CLIEnable
    | CLIUser of (Arg.key * Arg.spec * Arg.doc) list

  type definition_t =
      {
        hide:       bool;
        dump:       bool;
        cli:        cli_handle_t;
        arg_help:   string option;
        group:      string option;
      }

  let schema =
    Schema.create "environment"

  (* Environment data *)
  let env =
    Data.create ()

  (* Environment data from file *)
  let env_from_file =
    ref MapString.empty

  (* Lexer for var *)
  let var_lxr =
    Genlex.make_lexer []

  let rec var_expand str =
    let buff =
      Buffer.create ((String.length str) * 2)
    in
      Buffer.add_substitute
        buff
        (fun var ->
           try
             (* TODO: this is a quick hack to allow calling Test.Command
              * without defining executable name really. I.e. if there is
              * an exec Executable toto, then $(toto) should be replace
              * by its real name. It is however useful to have this function
              * for other variable that depend on the host and should be
              * written better than that.
              *)
             let st =
               var_lxr (Stream.of_string var)
             in
               match Stream.npeek 3 st with
                 | [Genlex.Ident "utoh"; Genlex.Ident nm] ->
                     OASISHostPath.of_unix (var_get nm)
                 | [Genlex.Ident "utoh"; Genlex.String s] ->
                     OASISHostPath.of_unix s
                 | [Genlex.Ident "ocaml_escaped"; Genlex.Ident nm] ->
                     String.escaped (var_get nm)
                 | [Genlex.Ident "ocaml_escaped"; Genlex.String s] ->
                     String.escaped s
                 | [Genlex.Ident nm] ->
                     var_get nm
                 | _ ->
                     failwithf
                       (f_ "Unknown expression '%s' in variable expansion of %s.")
                       var
                       str
           with
             | Unknown_field (_, _) ->
                 failwithf
                   (f_ "No variable %s defined when trying to expand %S.")
                   var
                   str
             | Stream.Error e ->
                 failwithf
                   (f_ "Syntax error when parsing '%s' when trying to \
                        expand %S: %s")
                   var
                   str
                   e)
        str;
      Buffer.contents buff

  and var_get name =
    let vl =
      try
        Schema.get schema env name
      with Unknown_field _ as e ->
        begin
          try
            MapString.find name !env_from_file
          with Not_found ->
            raise e
        end
    in
      var_expand vl

  let var_choose ?printer ?name lst =
    OASISExpr.choose
      ?printer
      ?name
      var_get
      lst

  let var_protect vl =
    let buff =
      Buffer.create (String.length vl)
    in
      String.iter
        (function
           | '$' -> Buffer.add_string buff "\\$"
           | c   -> Buffer.add_char   buff c)
        vl;
      Buffer.contents buff

  let var_define
        ?(hide=false)
        ?(dump=true)
        ?short_desc
        ?(cli=CLINone)
        ?arg_help
        ?group
        name (* TODO: type constraint on the fact that name must be a valid OCaml
                  id *)
        dflt =

    let default =
      [
        OFileLoad, (fun () -> MapString.find name !env_from_file);
        ODefault,  dflt;
        OGetEnv,   (fun () -> Sys.getenv name);
      ]
    in

    let extra =
      {
        hide     = hide;
        dump     = dump;
        cli      = cli;
        arg_help = arg_help;
        group    = group;
      }
    in

    (* Try to find a value that can be defined
     *)
    let var_get_low lst =
      let errors, res =
        List.fold_left
          (fun (errors, res) (o, v) ->
             if res = None then
               begin
                 try
                   errors, Some (v ())
                 with
                   | Not_found ->
                        errors, res
                   | Failure rsn ->
                       (rsn :: errors), res
                   | e ->
                       (Printexc.to_string e) :: errors, res
               end
             else
               errors, res)
          ([], None)
          (List.sort
             (fun (o1, _) (o2, _) ->
                Pervasives.compare o2 o1)
             lst)
      in
        match res, errors with
          | Some v, _ ->
              v
          | None, [] ->
              raise (Not_set (name, None))
          | None, lst ->
              raise (Not_set (name, Some (String.concat (s_ ", ") lst)))
    in

    let help =
      match short_desc with
        | Some fs -> Some fs
        | None -> None
    in

    let var_get_lst =
      FieldRO.create
        ~schema
        ~name
        ~parse:(fun ?(context=ODefault) s -> [context, fun () -> s])
        ~print:var_get_low
        ~default
        ~update:(fun ?context x old_x -> x @ old_x)
        ?help
        extra
    in

      fun () ->
        var_expand (var_get_low (var_get_lst env))

  let var_redefine
        ?hide
        ?dump
        ?short_desc
        ?cli
        ?arg_help
        ?group
        name
        dflt =
    if Schema.mem schema name then
      begin
        (* TODO: look suspsicious, we want to memorize dflt not dflt () *)
        Schema.set schema env ~context:ODefault name (dflt ());
        fun () -> var_get name
      end
    else
      begin
        var_define
          ?hide
          ?dump
          ?short_desc
          ?cli
          ?arg_help
          ?group
          name
          dflt
      end

  let var_ignore (e : unit -> string) =
    ()

  let print_hidden =
    var_define
      ~hide:true
      ~dump:false
      ~cli:CLIAuto
      ~arg_help:"Print even non-printable variable. (debug)"
      "print_hidden"
      (fun () -> "false")

  let var_all () =
    List.rev
      (Schema.fold
         (fun acc nm def _ ->
            if not def.hide || bool_of_string (print_hidden ()) then
              nm :: acc
            else
              acc)
         []
         schema)

  let default_filename =
    BaseEnvLight.default_filename

  let load ?allow_empty ?filename () =
    env_from_file := BaseEnvLight.load ?allow_empty ?filename ()

  let unload () =
    env_from_file := MapString.empty;
    Data.clear env

  let dump ?(filename=default_filename) () =
    let chn =
      open_out_bin filename
    in
    let output nm value = 
      Printf.fprintf chn "%s=%S\n" nm value
    in
    let mp_todo = 
      (* Dump data from schema *)
      Schema.fold
        (fun mp_todo nm def _ ->
           if def.dump then
             begin
               try
                 let value =
                   Schema.get
                     schema
                     env
                     nm
                 in
                   output nm value
               with Not_set _ ->
                 ()
             end;
           MapString.remove nm mp_todo)
        !env_from_file
        schema
    in
      (* Dump data defined outside of schema *)
      MapString.iter output mp_todo;

      (* End of the dump *)
      close_out chn

  let print () =
    let printable_vars =
      Schema.fold
        (fun acc nm def short_descr_opt ->
           if not def.hide || bool_of_string (print_hidden ()) then
             begin
               try
                 let value =
                   Schema.get
                     schema
                     env
                     nm
                 in
                 let txt =
                   match short_descr_opt with
                     | Some s -> s ()
                     | None -> nm
                 in
                   (txt, value) :: acc
               with Not_set _ ->
                   acc
             end
           else
             acc)
        []
        schema
    in
    let max_length =
      List.fold_left max 0
        (List.rev_map String.length
           (List.rev_map fst printable_vars))
    in
    let dot_pad str =
      String.make ((max_length - (String.length str)) + 3) '.'
    in

    Printf.printf "\nConfiguration: \n";
    List.iter
      (fun (name,value) ->
        Printf.printf "%s: %s %s\n" name (dot_pad name) value)
      (List.rev printable_vars);
    Printf.printf "\n%!"

  let args () =
    let arg_concat =
      OASISUtils.varname_concat ~hyphen:'-'
    in
      [
        "--override",
         Arg.Tuple
           (
             let rvr = ref ""
             in
             let rvl = ref ""
             in
               [
                 Arg.Set_string rvr;
                 Arg.Set_string rvl;
                 Arg.Unit
                   (fun () ->
                      Schema.set
                        schema
                        env
                        ~context:OCommandLine
                        !rvr
                        !rvl)
               ]
           ),
        "var+val  Override any configuration variable.";

      ]
      @
      List.flatten
        (Schema.fold
          (fun acc name def short_descr_opt ->
             let var_set s =
               Schema.set
                 schema
                 env
                 ~context:OCommandLine
                 name
                 s
             in

             let arg_name =
               OASISUtils.varname_of_string ~hyphen:'-' name
             in

             let hlp =
               match short_descr_opt with
                 | Some txt -> txt ()
                 | None -> ""
             in

             let arg_hlp =
               match def.arg_help with
                 | Some s -> s
                 | None   -> "str"
             in

             let default_value =
               try
                 Printf.sprintf
                   (f_ " [%s]")
                   (Schema.get
                      schema
                      env
                      name)
               with Not_set _ ->
                 ""
             in

             let args =
               match def.cli with
                 | CLINone ->
                     []
                 | CLIAuto ->
                     [
                       arg_concat "--" arg_name,
                       Arg.String var_set,
                       Printf.sprintf (f_ "%s %s%s") arg_hlp hlp default_value
                     ]
                 | CLIWith ->
                     [
                       arg_concat "--with-" arg_name,
                       Arg.String var_set,
                       Printf.sprintf (f_ "%s %s%s") arg_hlp hlp default_value
                     ]
                 | CLIEnable ->
                     let dflt =
                       if default_value = " [true]" then
                         s_ " [default: enabled]"
                       else
                         s_ " [default: disabled]"
                     in
                       [
                         arg_concat "--enable-" arg_name,
                         Arg.Unit (fun () -> var_set "true"),
                         Printf.sprintf (f_ " %s%s") hlp dflt;

                         arg_concat "--disable-" arg_name,
                         Arg.Unit (fun () -> var_set "false"),
                         Printf.sprintf (f_ " %s%s") hlp dflt
                       ]
                 | CLIUser lst ->
                     lst
             in
               args :: acc)
           []
           schema)
end

module BaseArgExt = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/base/BaseArgExt.ml"

  open OASISUtils
  open OASISGettext

  let parse argv args =
      (* Simulate command line for Arg *)
      let current =
        ref 0
      in

        try
          Arg.parse_argv
            ~current:current
            (Array.concat [[|"none"|]; argv])
            (Arg.align args)
            (failwithf (f_ "Don't know what to do with arguments: '%s'"))
            (s_ "configure options:")
        with
          | Arg.Help txt ->
              print_endline txt;
              exit 0
          | Arg.Bad txt ->
              prerr_endline txt;
              exit 1
end

module BaseCheck = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/base/BaseCheck.ml"

  open BaseEnv
  open BaseMessage
  open OASISUtils
  open OASISGettext

  let prog_best prg prg_lst =
    var_redefine
      prg
      (fun () ->
         let alternate =
           List.fold_left
             (fun res e ->
                match res with
                  | Some _ ->
                      res
                  | None ->
                      try
                        Some (OASISFileUtil.which ~ctxt:!BaseContext.default e)
                      with Not_found ->
                        None)
             None
             prg_lst
         in
           match alternate with
             | Some prg -> prg
             | None -> raise Not_found)

  let prog prg =
    prog_best prg [prg]

  let prog_opt prg =
    prog_best prg [prg^".opt"; prg]

  let ocamlfind =
    prog "ocamlfind"

  let version
        var_prefix
        cmp
        fversion
        () =
    (* Really compare version provided *)
    let var =
      var_prefix^"_version_"^(OASISVersion.varname_of_comparator cmp)
    in
      var_redefine
        ~hide:true
        var
        (fun () ->
           let version_str =
             match fversion () with
               | "[Distributed with OCaml]" ->
                   begin
                     try
                       (var_get "ocaml_version")
                     with Not_found ->
                       warning
                         (f_ "Variable ocaml_version not defined, fallback \
                              to default");
                       Sys.ocaml_version
                   end
               | res ->
                   res
           in
           let version =
             OASISVersion.version_of_string version_str
           in
             if OASISVersion.comparator_apply version cmp then
               version_str
             else
               failwithf
                 (f_ "Cannot satisfy version constraint on %s: %s (version: %s)")
                 var_prefix
                 (OASISVersion.string_of_comparator cmp)
                 version_str)
        ()

  let package_version pkg =
    OASISExec.run_read_one_line ~ctxt:!BaseContext.default
      (ocamlfind ())
      ["query"; "-format"; "%v"; pkg]

  let package ?version_comparator pkg () =
    let var =
      OASISUtils.varname_concat
        "pkg_"
        (OASISUtils.varname_of_string pkg)
    in
    let findlib_dir pkg =
      let dir =
        OASISExec.run_read_one_line ~ctxt:!BaseContext.default
          (ocamlfind ())
          ["query"; "-format"; "%d"; pkg]
      in
        if Sys.file_exists dir && Sys.is_directory dir then
          dir
        else
          failwithf
            (f_ "When looking for findlib package %s, \
                 directory %s return doesn't exist")
            pkg dir
    in
    let vl =
      var_redefine
        var
        (fun () -> findlib_dir pkg)
        ()
    in
      (
        match version_comparator with
          | Some ver_cmp ->
              ignore
                (version
                   var
                   ver_cmp
                   (fun _ -> package_version pkg)
                   ())
          | None ->
              ()
      );
      vl
end

module BaseOCamlcConfig = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/base/BaseOCamlcConfig.ml"


  open BaseEnv
  open OASISUtils
  open OASISGettext

  module SMap = Map.Make(String)

  let ocamlc =
    BaseCheck.prog_opt "ocamlc"

  let ocamlc_config_map =
    (* Map name to value for ocamlc -config output
       (name ^": "^value)
     *)
    let rec split_field mp lst =
      match lst with
        | line :: tl ->
            let mp =
              try
                let pos_semicolon =
                  String.index line ':'
                in
                  if pos_semicolon > 1 then
                    (
                      let name =
                        String.sub line 0 pos_semicolon
                      in
                      let linelen =
                        String.length line
                      in
                      let value =
                        if linelen > pos_semicolon + 2 then
                          String.sub
                            line
                            (pos_semicolon + 2)
                            (linelen - pos_semicolon - 2)
                        else
                          ""
                      in
                        SMap.add name value mp
                    )
                  else
                    (
                      mp
                    )
              with Not_found ->
                (
                  mp
                )
            in
              split_field mp tl
        | [] ->
            mp
    in

    let cache = 
      lazy
        (var_protect
           (Marshal.to_string
              (split_field
                 SMap.empty
                 (OASISExec.run_read_output
                    ~ctxt:!BaseContext.default
                    (ocamlc ()) ["-config"]))
              []))
    in
      var_redefine
        "ocamlc_config_map"
        ~hide:true
        ~dump:false
        (fun () ->
           (* TODO: update if ocamlc change !!! *)
           Lazy.force cache)

  let var_define nm =
    (* Extract data from ocamlc -config *)
    let avlbl_config_get () =
      Marshal.from_string
        (ocamlc_config_map ())
        0
    in
    let chop_version_suffix s =
      try 
        String.sub s 0 (String.index s '+')
      with _ -> 
        s
     in

    let nm_config, value_config =
      match nm with
        | "ocaml_version" -> 
            "version", chop_version_suffix
        | _ -> nm, (fun x -> x)
    in
      var_redefine
        nm
        (fun () ->
          try
             let map =
               avlbl_config_get ()
             in
             let value =
               SMap.find nm_config map
             in
               value_config value
           with Not_found ->
             failwithf
               (f_ "Cannot find field '%s' in '%s -config' output")
               nm
               (ocamlc ()))

end

module BaseStandardVar = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/base/BaseStandardVar.ml"


  open OASISGettext
  open OASISTypes
  open OASISExpr
  open BaseCheck
  open BaseEnv

  let ocamlfind  = BaseCheck.ocamlfind
  let ocamlc     = BaseOCamlcConfig.ocamlc
  let ocamlopt   = prog_opt "ocamlopt"
  let ocamlbuild = prog "ocamlbuild"


  (**/**)
  let rpkg =
    ref None

  let pkg_get () =
    match !rpkg with
      | Some pkg -> pkg
      | None -> failwith (s_ "OASIS Package is not set")

  let var_cond = ref []

  let var_define_cond ~since_version f dflt =
    let holder = ref (fun () -> dflt) in
    let since_version =
      OASISVersion.VGreaterEqual (OASISVersion.version_of_string since_version)
    in
      var_cond :=
      (fun ver ->
         if OASISVersion.comparator_apply ver since_version then
           holder := f ()) :: !var_cond;
      fun () -> !holder ()

  (**/**)

  let pkg_name =
    var_define
      ~short_desc:(fun () -> s_ "Package name")
      "pkg_name"
      (fun () -> (pkg_get ()).name)

  let pkg_version =
    var_define
      ~short_desc:(fun () -> s_ "Package version")
      "pkg_version"
      (fun () ->
         (OASISVersion.string_of_version (pkg_get ()).version))

  let c = BaseOCamlcConfig.var_define

  let os_type        = c "os_type"
  let system         = c "system"
  let architecture   = c "architecture"
  let ccomp_type     = c "ccomp_type"
  let ocaml_version  = c "ocaml_version"

  (* TODO: Check standard variable presence at runtime *)

  let standard_library_default = c "standard_library_default"
  let standard_library         = c "standard_library"
  let standard_runtime         = c "standard_runtime"
  let bytecomp_c_compiler      = c "bytecomp_c_compiler"
  let native_c_compiler        = c "native_c_compiler"
  let model                    = c "model"
  let ext_obj                  = c "ext_obj"
  let ext_asm                  = c "ext_asm"
  let ext_lib                  = c "ext_lib"
  let ext_dll                  = c "ext_dll"
  let default_executable_name  = c "default_executable_name"
  let systhread_supported      = c "systhread_supported"

  let flexlink = 
    BaseCheck.prog "flexlink"

  let flexdll_version =
    var_define
      ~short_desc:(fun () -> "FlexDLL version (Win32)")
      "flexdll_version"
      (fun () ->
         let lst = 
           OASISExec.run_read_output ~ctxt:!BaseContext.default
             (flexlink ()) ["-help"]
         in
           match lst with 
             | line :: _ ->
                 Scanf.sscanf line "FlexDLL version %s" (fun ver -> ver)
             | [] ->
                 raise Not_found)

  (**/**)
  let p name hlp dflt =
    var_define
      ~short_desc:hlp
      ~cli:CLIAuto
      ~arg_help:"dir"
      name
      dflt

  let (/) a b =
    if os_type () = Sys.os_type then
      Filename.concat a b
    else if os_type () = "Unix" then
      OASISUnixPath.concat a b
    else
      OASISUtils.failwithf (f_ "Cannot handle os_type %s filename concat")
        (os_type ())
  (**/**)

  let prefix =
    p "prefix"
      (fun () -> s_ "Install architecture-independent files dir")
      (fun () ->
         match os_type () with
           | "Win32" ->
               let program_files =
                 Sys.getenv "PROGRAMFILES"
               in
                 program_files/(pkg_name ())
           | _ ->
               "/usr/local")

  let exec_prefix =
    p "exec_prefix"
      (fun () -> s_ "Install architecture-dependent files in dir")
      (fun () -> "$prefix")

  let bindir =
    p "bindir"
      (fun () -> s_ "User executables")
      (fun () -> "$exec_prefix"/"bin")

  let sbindir =
    p "sbindir"
      (fun () -> s_ "System admin executables")
      (fun () -> "$exec_prefix"/"sbin")

  let libexecdir =
    p "libexecdir"
      (fun () -> s_ "Program executables")
      (fun () -> "$exec_prefix"/"libexec")

  let sysconfdir =
    p "sysconfdir"
      (fun () -> s_ "Read-only single-machine data")
      (fun () -> "$prefix"/"etc")

  let sharedstatedir =
    p "sharedstatedir"
      (fun () -> s_ "Modifiable architecture-independent data")
      (fun () -> "$prefix"/"com")

  let localstatedir =
    p "localstatedir"
      (fun () -> s_ "Modifiable single-machine data")
      (fun () -> "$prefix"/"var")

  let libdir =
    p "libdir"
      (fun () -> s_ "Object code libraries")
      (fun () -> "$exec_prefix"/"lib")

  let datarootdir =
    p "datarootdir"
      (fun () -> s_ "Read-only arch-independent data root")
      (fun () -> "$prefix"/"share")

  let datadir =
    p "datadir"
      (fun () -> s_ "Read-only architecture-independent data")
      (fun () -> "$datarootdir")

  let infodir =
    p "infodir"
      (fun () -> s_ "Info documentation")
      (fun () -> "$datarootdir"/"info")

  let localedir =
    p "localedir"
      (fun () -> s_ "Locale-dependent data")
      (fun () -> "$datarootdir"/"locale")

  let mandir =
    p "mandir"
      (fun () -> s_ "Man documentation")
      (fun () -> "$datarootdir"/"man")

  let docdir =
    p "docdir"
      (fun () -> s_ "Documentation root")
      (fun () -> "$datarootdir"/"doc"/"$pkg_name")

  let htmldir =
    p "htmldir"
      (fun () -> s_ "HTML documentation")
      (fun () -> "$docdir")

  let dvidir =
    p "dvidir"
      (fun () -> s_ "DVI documentation")
      (fun () -> "$docdir")

  let pdfdir =
    p "pdfdir"
      (fun () -> s_ "PDF documentation")
      (fun () -> "$docdir")

  let psdir =
    p "psdir"
      (fun () -> s_ "PS documentation")
      (fun () -> "$docdir")

  let destdir =
    p "destdir"
      (fun () -> s_ "Prepend a path when installing package")
      (fun () ->
         raise
           (PropList.Not_set
              ("destdir",
               Some (s_ "undefined by construct"))))

  let findlib_version =
    var_define
      "findlib_version"
      (fun () ->
         BaseCheck.package_version "findlib")

  let is_native =
    var_define
      "is_native"
      (fun () ->
         try
           let _s : string =
             ocamlopt ()
           in
             "true"
         with PropList.Not_set _ ->
           let _s : string =
             ocamlc ()
           in
             "false")

  let ext_program =
    var_define
      "suffix_program"
      (fun () ->
         match os_type () with
           | "Win32" -> ".exe"
           | _ -> "")

  let rm =
    var_define
      ~short_desc:(fun () -> s_ "Remove a file.")
      "rm"
      (fun () ->
         match os_type () with
           | "Win32" -> "del"
           | _ -> "rm -f")

  let rmdir =
    var_define
      ~short_desc:(fun () -> s_ "Remove a directory.")
      "rmdir"
      (fun () ->
         match os_type () with
           | "Win32" -> "rd"
           | _ -> "rm -rf")

  let debug =
    var_define
      ~short_desc:(fun () -> s_ "Turn ocaml debug flag on")
      ~cli:CLIEnable
      "debug"
      (fun () -> "true")

  let profile =
    var_define
      ~short_desc:(fun () -> s_ "Turn ocaml profile flag on")
      ~cli:CLIEnable
      "profile"
      (fun () -> "false")

  let tests =
    var_define_cond ~since_version:"0.3"
      (fun () ->
         var_define
           ~short_desc:(fun () ->
                          s_ "Compile tests executable and library and run them")
           ~cli:CLIEnable
           "tests"
           (fun () -> "false"))
      "true"

  let docs =
    var_define_cond ~since_version:"0.3"
      (fun () ->
         var_define
           ~short_desc:(fun () -> s_ "Create documentations")
           ~cli:CLIEnable
           "docs"
           (fun () -> "true"))
      "true"

  let native_dynlink =
    var_define
      ~short_desc:(fun () -> s_ "Compiler support generation of .cmxs.")
      ~cli:CLINone
      "native_dynlink"
      (fun () ->
         let res =
           let ocaml_lt_312 () = 
             OASISVersion.comparator_apply
               (OASISVersion.version_of_string (ocaml_version ()))
               (OASISVersion.VLesser
                  (OASISVersion.version_of_string "3.12.0"))
           in
           let flexdll_lt_030 () =
             OASISVersion.comparator_apply
               (OASISVersion.version_of_string (flexdll_version ()))
               (OASISVersion.VLesser
                  (OASISVersion.version_of_string "0.30"))
           in
           let has_native_dynlink = 
             let ocamlfind = ocamlfind () in
               try
                 let fn =
                   OASISExec.run_read_one_line
                     ~ctxt:!BaseContext.default
                     ocamlfind
                     ["query"; "-predicates"; "native"; "dynlink";
                      "-format"; "%d/%a"]
                 in
                   Sys.file_exists fn
               with _ ->
                 false
           in
             if not has_native_dynlink then
               false
             else if ocaml_lt_312 () then
               false
             else if (os_type () = "Win32" || os_type () = "Cygwin") 
                     && flexdll_lt_030 () then
               begin
                 BaseMessage.warning 
                   (f_ ".cmxs generation disabled because FlexDLL needs to be \
                        at least 0.30. Please upgrade FlexDLL from %s to 0.30.")
                   (flexdll_version ());
                 false
               end
             else
               true
         in
           string_of_bool res)

  let init pkg =
    rpkg := Some pkg;
    List.iter (fun f -> f pkg.oasis_version) !var_cond

end

module BaseFileAB = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/base/BaseFileAB.ml"

  open BaseEnv
  open OASISGettext
  open BaseMessage

  let to_filename fn =
    let fn =
      OASISHostPath.of_unix fn
    in
      if not (Filename.check_suffix fn ".ab") then
        warning
          (f_ "File '%s' doesn't have '.ab' extension")
          fn;
      Filename.chop_extension fn

  let replace fn_lst =
    let buff =
      Buffer.create 13
    in
      List.iter
        (fun fn ->
           let fn =
             OASISHostPath.of_unix fn
           in
           let chn_in =
             open_in fn
           in
           let chn_out =
             open_out (to_filename fn)
           in
             (
               try
                 while true do
                  Buffer.add_string buff (var_expand (input_line chn_in));
                  Buffer.add_char buff '\n'
                 done
               with End_of_file ->
                 ()
             );
             Buffer.output_buffer chn_out buff;
             Buffer.clear buff;
             close_in chn_in;
             close_out chn_out)
        fn_lst
end

module BaseLog = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/base/BaseLog.ml"

  open OASISUtils

  let default_filename =
    Filename.concat
      (Filename.dirname BaseEnv.default_filename)
      "setup.log"

  module SetTupleString =
    Set.Make
      (struct
         type t = string * string
         let compare (s11, s12) (s21, s22) =
           match String.compare s11 s21 with
             | 0 -> String.compare s12 s22
             | n -> n
       end)

  let load () =
    if Sys.file_exists default_filename then
      begin
        let chn =
          open_in default_filename
        in
        let scbuf =
          Scanf.Scanning.from_file default_filename
        in
        let rec read_aux (st, lst) =
          if not (Scanf.Scanning.end_of_input scbuf) then
            begin
              let acc =
                try
                  Scanf.bscanf scbuf "%S %S\n"
                    (fun e d ->
                       let t =
                         e, d
                       in
                         if SetTupleString.mem t st then
                           st, lst
                         else
                           SetTupleString.add t st,
                           t :: lst)
                with Scanf.Scan_failure _ ->
                  failwith
                    (Scanf.bscanf scbuf
                       "%l"
                       (fun line ->
                          Printf.sprintf
                            "Malformed log file '%s' at line %d"
                            default_filename
                            line))
              in
                read_aux acc
            end
          else
            begin
              close_in chn;
              List.rev lst
            end
        in
          read_aux (SetTupleString.empty, [])
      end
    else
      begin
        []
      end

  let register event data =
    let chn_out =
      open_out_gen [Open_append; Open_creat; Open_text] 0o644 default_filename
    in
      Printf.fprintf chn_out "%S %S\n" event data;
      close_out chn_out

  let unregister event data =
    if Sys.file_exists default_filename then
      begin
        let lst =
          load ()
        in
        let chn_out =
          open_out default_filename
        in
        let write_something =
          ref false
        in
          List.iter
            (fun (e, d) ->
               if e <> event || d <> data then
                 begin
                   write_something := true;
                   Printf.fprintf chn_out "%S %S\n" e d
                 end)
            lst;
          close_out chn_out;
          if not !write_something then
            Sys.remove default_filename
      end

  let filter events =
    let st_events =
      List.fold_left
        (fun st e ->
           SetString.add e st)
        SetString.empty
        events
    in
      List.filter
        (fun (e, _) -> SetString.mem e st_events)
        (load ())

  let exists event data =
    List.exists
      (fun v -> (event, data) = v)
      (load ())
end

module BaseBuilt = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/base/BaseBuilt.ml"

  open OASISTypes
  open OASISGettext
  open BaseStandardVar
  open BaseMessage

  type t =
    | BExec    (* Executable *)
    | BExecLib (* Library coming with executable *)
    | BLib     (* Library *)
    | BDoc     (* Document *)

  let to_log_event_file t nm =
    "built_"^
    (match t with
       | BExec -> "exec"
       | BExecLib -> "exec_lib"
       | BLib -> "lib"
       | BDoc -> "doc")^
    "_"^nm

  let to_log_event_done t nm =
    "is_"^(to_log_event_file t nm)

  let register t nm lst =
    BaseLog.register
      (to_log_event_done t nm)
      "true";
    List.iter
      (fun alt ->
         let registered =
           List.fold_left
             (fun registered fn ->
                if OASISFileUtil.file_exists_case fn then
                  begin
                    BaseLog.register
                      (to_log_event_file t nm)
                      (if Filename.is_relative fn then
                         Filename.concat (Sys.getcwd ()) fn
                       else
                         fn);
                    true
                  end
                else
                  registered)
             false
             alt
         in
           if not registered then
             warning
               (f_ "Cannot find an existing alternative files among: %s")
               (String.concat (s_ ", ") alt))
      lst

  let unregister t nm =
    List.iter
      (fun (e, d) ->
         BaseLog.unregister e d)
      (BaseLog.filter
         [to_log_event_file t nm;
          to_log_event_done t nm])

  let fold t nm f acc =
    List.fold_left
      (fun acc (_, fn) ->
         if OASISFileUtil.file_exists_case fn then
           begin
             f acc fn
           end
         else
           begin
             warning
               (f_ "File '%s' has been marked as built \
                  for %s but doesn't exist")
               fn
               (Printf.sprintf
                  (match t with
                     | BExec | BExecLib ->
                         (f_ "executable %s")
                     | BLib ->
                         (f_ "library %s")
                     | BDoc ->
                         (f_ "documentation %s"))
                  nm);
             acc
           end)
      acc
      (BaseLog.filter
         [to_log_event_file t nm])

  let is_built t nm =
    List.fold_left
      (fun is_built (_, d) ->
         (try
            bool_of_string d
          with _ ->
            false))
      false
      (BaseLog.filter
         [to_log_event_done t nm])

  let of_executable ffn (cs, bs, exec) =
    let unix_exec_is, unix_dll_opt =
      OASISExecutable.unix_exec_is
        (cs, bs, exec)
        (fun () ->
           bool_of_string
             (is_native ()))
        ext_dll
        ext_program
    in
    let evs =
      (BExec, cs.cs_name, [[ffn unix_exec_is]])
      ::
      (match unix_dll_opt with
         | Some fn ->
             [BExecLib, cs.cs_name, [[ffn fn]]]
         | None ->
             [])
    in
      evs,
      unix_exec_is,
      unix_dll_opt

  let of_library ffn (cs, bs, lib) =
    let unix_lst =
      OASISLibrary.generated_unix_files
        ~ctxt:!BaseContext.default
        ~source_file_exists:(fun fn ->
           OASISFileUtil.file_exists_case (OASISHostPath.of_unix fn))
        ~is_native:(bool_of_string (is_native ()))
        ~has_native_dynlink:(bool_of_string (native_dynlink ()))
        ~ext_lib:(ext_lib ())
        ~ext_dll:(ext_dll ())
        (cs, bs, lib)
    in
    let evs =
      [BLib,
       cs.cs_name,
       List.map (List.map ffn) unix_lst]
    in
      evs, unix_lst

end

module BaseCustom = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/base/BaseCustom.ml"

  open BaseEnv
  open BaseMessage
  open OASISTypes
  open OASISGettext

  let run cmd args extra_args =
    OASISExec.run ~ctxt:!BaseContext.default ~quote:false
      (var_expand cmd)
      (List.map
         var_expand
         (args @ (Array.to_list extra_args)))

  let hook ?(failsafe=false) cstm f e =
    let optional_command lst =
      let printer =
        function
          | Some (cmd, args) -> String.concat " " (cmd :: args)
          | None -> s_ "No command"
      in
        match
          var_choose
            ~name:(s_ "Pre/Post Command")
            ~printer
            lst with
          | Some (cmd, args) ->
              begin
                try
                  run cmd args [||]
                with e when failsafe ->
                  warning
                    (f_ "Command '%s' fail with error: %s")
                    (String.concat " " (cmd :: args))
                    (match e with
                       | Failure msg -> msg
                       | e -> Printexc.to_string e)
              end
          | None ->
              ()
    in
    let res =
      optional_command cstm.pre_command;
      f e
    in
      optional_command cstm.post_command;
      res
end

module BaseDynVar = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/base/BaseDynVar.ml"


  open OASISTypes
  open OASISGettext
  open BaseEnv
  open BaseBuilt

  let init pkg =
    (* TODO: disambiguate exec vs other variable by adding exec_VARNAME. *)
    (* TODO: provide compile option for library libary_byte_args_VARNAME... *)
    List.iter
      (function
         | Executable (cs, bs, exec) ->
             if var_choose bs.bs_build then
               var_ignore
                 (var_redefine
                    (* We don't save this variable *)
                    ~dump:false
                    ~short_desc:(fun () ->
                                   Printf.sprintf
                                     (f_ "Filename of executable '%s'")
                                     cs.cs_name)
                    (OASISUtils.varname_of_string cs.cs_name)
                    (fun () ->
                       let fn_opt =
                         fold
                           BExec cs.cs_name
                           (fun _ fn -> Some fn)
                           None
                       in
                         match fn_opt with
                           | Some fn -> fn
                           | None ->
                               raise
                                 (PropList.Not_set
                                    (cs.cs_name,
                                     Some (Printf.sprintf
                                             (f_ "Executable '%s' not yet built.")
                                             cs.cs_name)))))

         | Library _ | Flag _ | Test _ | SrcRepo _ | Doc _ ->
             ())
      pkg.sections
end

module BaseTest = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/base/BaseTest.ml"

  open BaseEnv
  open BaseMessage
  open OASISTypes
  open OASISExpr
  open OASISGettext

  let test lst pkg extra_args =

    let one_test (failure, n) (test_plugin, cs, test) =
      if var_choose
           ~name:(Printf.sprintf
                    (f_ "test %s run")
                    cs.cs_name)
           ~printer:string_of_bool
           test.test_run then
        begin
          let () =
            info (f_ "Running test '%s'") cs.cs_name
          in
          let back_cwd =
            match test.test_working_directory with
              | Some dir ->
                  let cwd =
                    Sys.getcwd ()
                  in
                  let chdir d =
                    info (f_ "Changing directory to '%s'") d;
                    Sys.chdir d
                  in
                    chdir dir;
                    fun () -> chdir cwd

              | None ->
                  fun () -> ()
          in
            try
              let failure_percent =
                BaseCustom.hook
                  test.test_custom
                  (test_plugin pkg (cs, test))
                  extra_args
              in
                back_cwd ();
                (failure_percent +. failure, n + 1)
            with e ->
              begin
                back_cwd ();
                raise e
              end
        end
      else
        begin
          info (f_ "Skipping test '%s'") cs.cs_name;
          (failure, n)
        end
    in
    let (failed, n) =
      List.fold_left
        one_test
        (0.0, 0)
        lst
    in
    let failure_percent =
      if n = 0 then
        0.0
      else
        failed /. (float_of_int n)
    in
    let msg =
      Printf.sprintf
        (f_ "Tests had a %.2f%% failure rate")
        (100. *. failure_percent)
    in
      if failure_percent > 0.0 then
        failwith msg
      else
        info "%s" msg;

      (* Possible explanation why the tests where not run. *)
      if OASISVersion.version_0_3_or_after pkg.oasis_version &&
         not (bool_of_string (BaseStandardVar.tests ())) &&
         lst <> [] then
        BaseMessage.warning
          "Tests are turned off, consider enabling with \
           'ocaml setup.ml -configure --enable-tests'"
end

module BaseDoc = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/base/BaseDoc.ml"

  open BaseEnv
  open BaseMessage
  open OASISTypes
  open OASISGettext

  let doc lst pkg extra_args =

    let one_doc (doc_plugin, cs, doc) =
      if var_choose
           ~name:(Printf.sprintf
                   (f_ "documentation %s build")
                   cs.cs_name)
           ~printer:string_of_bool
           doc.doc_build then
        begin
          info (f_ "Building documentation '%s'") cs.cs_name;
          BaseCustom.hook
            doc.doc_custom
            (doc_plugin pkg (cs, doc))
            extra_args
        end
    in
      List.iter one_doc lst;

      if OASISVersion.version_0_3_or_after pkg.oasis_version &&
         not (bool_of_string (BaseStandardVar.docs ())) &&
         lst <> [] then
        BaseMessage.warning
          "Docs are turned off, consider enabling with \
           'ocaml setup.ml -configure --enable-docs'"
end

module BaseSetup = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/base/BaseSetup.ml"

  open BaseEnv
  open BaseMessage
  open OASISTypes
  open OASISSection
  open OASISGettext
  open OASISUtils

  type std_args_fun =
      package -> string array -> unit

  type ('a, 'b) section_args_fun =
      name * (package -> (common_section * 'a) -> string array -> 'b)

  type t =
      {
        configure:        std_args_fun;
        build:            std_args_fun;
        doc:              ((doc, unit)  section_args_fun) list;
        test:             ((test, float) section_args_fun) list;
        install:          std_args_fun;
        uninstall:        std_args_fun;
        clean:            std_args_fun list;
        clean_doc:        (doc, unit) section_args_fun list;
        clean_test:       (test, unit) section_args_fun list;
        distclean:        std_args_fun list;
        distclean_doc:    (doc, unit) section_args_fun list;
        distclean_test:   (test, unit) section_args_fun list;
        package:          package;
        oasis_fn:         string option;
        oasis_version:    string;
        oasis_digest:     Digest.t option;
        oasis_exec:       string option;
        oasis_setup_args: string list;
        setup_update:     bool;
      }

  (* Associate a plugin function with data from package *)
  let join_plugin_sections filter_map lst =
    List.rev
      (List.fold_left
         (fun acc sct ->
            match filter_map sct with
              | Some e ->
                  e :: acc
              | None ->
                  acc)
         []
         lst)

  (* Search for plugin data associated with a section name *)
  let lookup_plugin_section plugin action nm lst =
    try
      List.assoc nm lst
    with Not_found ->
      failwithf
        (f_ "Cannot find plugin %s matching section %s for %s action")
        plugin
        nm
        action

  let configure t args =
    (* Run configure *)
    BaseCustom.hook
      t.package.conf_custom
      (fun () -> 
         (* Reload if preconf has changed it *)
         begin
           try
             unload ();
             load ();
           with _ ->
             ()
         end;

         (* Run plugin's configure *)
         t.configure t.package args;

         (* Dump to allow postconf to change it *)
         dump ())
      ();

    (* Reload environment *)
    unload ();
    load ();

    (* Save environment *)
    print ();

    (* Replace data in file *)
    BaseFileAB.replace t.package.files_ab

  let build t args =
    BaseCustom.hook
      t.package.build_custom
      (t.build t.package)
      args

  let doc t args =
    BaseDoc.doc
      (join_plugin_sections
         (function
            | Doc (cs, e) ->
                Some
                  (lookup_plugin_section
                     "documentation"
                     (s_ "build")
                     cs.cs_name
                     t.doc,
                   cs,
                   e)
            | _ ->
                None)
         t.package.sections)
      t.package
      args

  let test t args =
    BaseTest.test
      (join_plugin_sections
         (function
            | Test (cs, e) ->
                Some
                  (lookup_plugin_section
                     "test"
                     (s_ "run")
                     cs.cs_name
                     t.test,
                   cs,
                   e)
            | _ ->
                None)
         t.package.sections)
      t.package
      args

  let all t args =
    let rno_doc =
      ref false
    in
    let rno_test =
      ref false
    in
      Arg.parse_argv
        ~current:(ref 0)
        (Array.of_list
           ((Sys.executable_name^" all") ::
            (Array.to_list args)))
        [
          "-no-doc",
          Arg.Set rno_doc,
          s_ "Don't run doc target";

          "-no-test",
          Arg.Set rno_test,
          s_ "Don't run test target";
        ]
        (failwithf (f_ "Don't know what to do with '%s'"))
        "";

      info "Running configure step";
      configure t [||];

      info "Running build step";
      build     t [||];

      (* Load setup.log dynamic variables *)
      BaseDynVar.init t.package;

      if not !rno_doc then
        begin
          info "Running doc step";
          doc t [||];
        end
      else
        begin
          info "Skipping doc step"
        end;

      if not !rno_test then
        begin
          info "Running test step";
          test t [||]
        end
      else
        begin
          info "Skipping test step"
        end

  let install t args =
    BaseCustom.hook
      t.package.install_custom
      (t.install t.package)
      args

  let uninstall t args =
    BaseCustom.hook
      t.package.uninstall_custom
      (t.uninstall t.package)
      args

  let reinstall t args =
    uninstall t args;
    install t args

  let clean, distclean =
    let failsafe f a =
      try
        f a
      with e ->
        warning
          (f_ "Action fail with error: %s")
          (match e with
             | Failure msg -> msg
             | e -> Printexc.to_string e)
    in

    let generic_clean t cstm mains docs tests args =
      BaseCustom.hook
        ~failsafe:true
        cstm
        (fun () ->
           (* Clean section *)
           List.iter
             (function
                | Test (cs, test) ->
                    let f =
                      try
                        List.assoc cs.cs_name tests
                      with Not_found ->
                        fun _ _ _ -> ()
                    in
                      failsafe
                        (f t.package (cs, test))
                        args
                | Doc (cs, doc) ->
                    let f =
                      try
                        List.assoc cs.cs_name docs
                      with Not_found ->
                        fun _ _ _ -> ()
                    in
                      failsafe
                        (f t.package (cs, doc))
                        args
                | Library _
                | Executable _
                | Flag _
                | SrcRepo _ ->
                    ())
             t.package.sections;
           (* Clean whole package *)
           List.iter
             (fun f ->
                failsafe
                  (f t.package)
                  args)
             mains)
        ()
    in

    let clean t args =
      generic_clean
        t
        t.package.clean_custom
        t.clean
        t.clean_doc
        t.clean_test
        args
    in

    let distclean t args =
      (* Call clean *)
      clean t args;

      (* Call distclean code *)
      generic_clean
        t
        t.package.distclean_custom
        t.distclean
        t.distclean_doc
        t.distclean_test
        args;

      (* Remove generated file *)
      List.iter
        (fun fn ->
           if Sys.file_exists fn then
             begin
               info (f_ "Remove '%s'") fn;
               Sys.remove fn
             end)
        (BaseEnv.default_filename
         ::
         BaseLog.default_filename
         ::
         (List.rev_map BaseFileAB.to_filename t.package.files_ab))
    in

      clean, distclean

  let version t _ =
    print_endline t.oasis_version

  let update_setup_ml, no_update_setup_ml_cli =
    let b = ref true in
      b,
      ("-no-update-setup-ml",
       Arg.Clear b,
       s_ " Don't try to update setup.ml, even if _oasis has changed.")

  let update_setup_ml t =
    let oasis_fn =
      match t.oasis_fn with
        | Some fn -> fn
        | None -> "_oasis"
    in
    let oasis_exec =
      match t.oasis_exec with
        | Some fn -> fn
        | None -> "oasis"
    in
    let ocaml =
      Sys.executable_name
    in
    let setup_ml, args =
      match Array.to_list Sys.argv with
        | setup_ml :: args ->
            setup_ml, args
        | [] ->
            failwith
              (s_ "Expecting non-empty command line arguments.")
    in
    let ocaml, setup_ml =
      if Sys.executable_name = Sys.argv.(0) then
        (* We are not running in standard mode, probably the script
         * is precompiled.
         *)
        "ocaml", "setup.ml"
      else
        ocaml, setup_ml
    in
    let no_update_setup_ml_cli, _, _ = no_update_setup_ml_cli in
    let do_update () =
      let oasis_exec_version =
        OASISExec.run_read_one_line
          ~ctxt:!BaseContext.default
          ~f_exit_code:
          (function
             | 0 ->
                 ()
             | 1 ->
                 failwithf
                   (f_ "Executable '%s' is probably an old version \
                      of oasis (< 0.3.0), please update to version \
                      v%s.")
                   oasis_exec t.oasis_version
             | 127 ->
                 failwithf
                   (f_ "Cannot find executable '%s', please install \
                        oasis v%s.")
                   oasis_exec t.oasis_version
             | n ->
                 failwithf
                   (f_ "Command '%s version' exited with code %d.")
                   oasis_exec n)
          oasis_exec ["version"]
      in
        if OASISVersion.comparator_apply
             (OASISVersion.version_of_string oasis_exec_version)
             (OASISVersion.VGreaterEqual
                (OASISVersion.version_of_string t.oasis_version)) then
          begin
            (* We have a version >= for the executable oasis, proceed with
             * update.
             *)
            (* TODO: delegate this check to 'oasis setup'. *)
            if Sys.os_type = "Win32" then
              failwithf
                (f_ "It is not possible to update the running script \
                     setup.ml on Windows. Please update setup.ml by \
                     running '%s'.")
                (String.concat " " (oasis_exec :: "setup" :: t.oasis_setup_args))
            else
              begin
                OASISExec.run
                  ~ctxt:!BaseContext.default
                  ~f_exit_code:
                  (function
                     | 0 ->
                         ()
                     | n ->
                         failwithf
                           (f_ "Unable to update setup.ml using '%s', \
                                please fix the problem and retry.")
                           oasis_exec)
                  oasis_exec ("setup" :: t.oasis_setup_args);
                OASISExec.run ~ctxt:!BaseContext.default ocaml (setup_ml :: args)
              end
          end
        else
          failwithf
            (f_ "The version of '%s' (v%s) doesn't match the version of \
                 oasis used to generate the %s file. Please install at \
                 least oasis v%s.")
            oasis_exec oasis_exec_version setup_ml t.oasis_version
    in

    if !update_setup_ml then
      begin
        try
          match t.oasis_digest with
            | Some dgst ->
              if Sys.file_exists oasis_fn && dgst <> Digest.file "_oasis" then
                begin
                  do_update ();
                  true
                end
              else
                false
            | None ->
                false
        with e ->
          error
            (f_ "Error when updating setup.ml. If you want to avoid this error, \
                 you can bypass the update of %s by running '%s %s %s %s'")
            setup_ml ocaml setup_ml no_update_setup_ml_cli
            (String.concat " " args);
          raise e
      end
    else
      false

  let setup t =
    let catch_exn =
      ref true
    in
      try
        let act_ref =
          ref (fun _ ->
                 failwithf
                   (f_ "No action defined, run '%s %s -help'")
                   Sys.executable_name
                   Sys.argv.(0))

        in
        let extra_args_ref =
          ref []
        in
        let allow_empty_env_ref =
          ref false
        in
        let arg_handle ?(allow_empty_env=false) act =
          Arg.Tuple
            [
              Arg.Rest (fun str -> extra_args_ref := str :: !extra_args_ref);

              Arg.Unit
                (fun () ->
                   allow_empty_env_ref := allow_empty_env;
                   act_ref := act);
            ]
        in

          Arg.parse
            (Arg.align
               ([
                 "-configure",
                 arg_handle ~allow_empty_env:true configure,
                 s_ "[options*] Configure the whole build process.";

                 "-build",
                 arg_handle build,
                 s_ "[options*] Build executables and libraries.";

                 "-doc",
                 arg_handle doc,
                 s_ "[options*] Build documents.";

                 "-test",
                 arg_handle test,
                 s_ "[options*] Run tests.";

                 "-all",
                 arg_handle ~allow_empty_env:true all,
                 s_ "[options*] Run configure, build, doc and test targets.";

                 "-install",
                 arg_handle install,
                 s_ "[options*] Install libraries, data, executables \
                                and documents.";

                 "-uninstall",
                 arg_handle uninstall,
                 s_ "[options*] Uninstall libraries, data, executables \
                                and documents.";

                 "-reinstall",
                 arg_handle reinstall,
                 s_ "[options*] Uninstall and install libraries, data, \
                                executables and documents.";

                 "-clean",
                 arg_handle ~allow_empty_env:true clean,
                 s_ "[options*] Clean files generated by a build.";

                 "-distclean",
                 arg_handle ~allow_empty_env:true distclean,
                 s_ "[options*] Clean files generated by a build and configure.";

                 "-version",
                 arg_handle ~allow_empty_env:true version,
                 s_ " Display version of OASIS used to generate this setup.ml.";

                 "-no-catch-exn",
                 Arg.Clear catch_exn,
                 s_ " Don't catch exception, useful for debugging.";
               ]
               @
                (if t.setup_update then
                   [no_update_setup_ml_cli]
                 else
                   [])
               @ (BaseContext.args ())))
            (failwithf (f_ "Don't know what to do with '%s'"))
            (s_ "Setup and run build process current package\n");

          (* Build initial environment *)
          load ~allow_empty:!allow_empty_env_ref ();

          (** Initialize flags *)
          List.iter
            (function
               | Flag (cs, {flag_description = hlp;
                            flag_default = choices}) ->
                   begin
                     let apply ?short_desc () =
                       var_ignore
                         (var_define
                            ~cli:CLIEnable
                            ?short_desc
                            (OASISUtils.varname_of_string cs.cs_name)
                            (fun () ->
                               string_of_bool
                                 (var_choose
                                    ~name:(Printf.sprintf
                                             (f_ "default value of flag %s")
                                             cs.cs_name)
                                    ~printer:string_of_bool
                                             choices)))
                     in
                       match hlp with
                         | Some hlp ->
                             apply ~short_desc:(fun () -> hlp) ()
                         | None ->
                             apply ()
                   end
               | _ ->
                   ())
            t.package.sections;

          BaseStandardVar.init t.package;

          BaseDynVar.init t.package;

          if t.setup_update && update_setup_ml t then
            ()
          else
            !act_ref t (Array.of_list (List.rev !extra_args_ref))

      with e when !catch_exn ->
        error "%s" (Printexc.to_string e);
        exit 1

end


# 4480 "setup.ml"
module InternalConfigurePlugin = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/plugins/internal/InternalConfigurePlugin.ml"

  (** Configure using internal scheme
      @author Sylvain Le Gall
    *)

  open BaseEnv
  open OASISTypes
  open OASISUtils
  open OASISGettext
  open BaseMessage

  (** Configure build using provided series of check to be done
    * and then output corresponding file.
    *)
  let configure pkg argv =
    let var_ignore_eval var =
      let _s : string =
        var ()
      in
        ()
    in

    let errors =
      ref SetString.empty
    in

    let buff =
      Buffer.create 13
    in

    let add_errors fmt =
      Printf.kbprintf
        (fun b ->
           errors := SetString.add (Buffer.contents b) !errors;
           Buffer.clear b)
        buff
        fmt
    in

    let warn_exception e =
      warning "%s" (Printexc.to_string e)
    in

    (* Check tools *)
    let check_tools lst =
      List.iter
        (function
           | ExternalTool tool ->
               begin
                 try
                   var_ignore_eval (BaseCheck.prog tool)
                 with e ->
                   warn_exception e;
                   add_errors (f_ "Cannot find external tool '%s'") tool
               end
           | InternalExecutable nm1 ->
               (* Check that matching tool is built *)
               List.iter
                 (function
                    | Executable ({cs_name = nm2},
                                  {bs_build = build},
                                  _) when nm1 = nm2 ->
                         if not (var_choose build) then
                           add_errors
                             (f_ "Cannot find buildable internal executable \
                                  '%s' when checking build depends")
                             nm1
                    | _ ->
                        ())
                 pkg.sections)
        lst
    in

    let build_checks sct bs =
      if var_choose bs.bs_build then
        begin
          if bs.bs_compiled_object = Native then
            begin
              try
                var_ignore_eval BaseStandardVar.ocamlopt
              with e ->
                warn_exception e;
                add_errors
                  (f_ "Section %s requires native compilation")
                  (OASISSection.string_of_section sct)
            end;

          (* Check tools *)
          check_tools bs.bs_build_tools;

          (* Check depends *)
          List.iter
            (function
               | FindlibPackage (findlib_pkg, version_comparator) ->
                   begin
                     try
                       var_ignore_eval
                         (BaseCheck.package ?version_comparator findlib_pkg)
                     with e ->
                       warn_exception e;
                       match version_comparator with
                         | None ->
                             add_errors
                               (f_ "Cannot find findlib package %s")
                               findlib_pkg
                         | Some ver_cmp ->
                             add_errors
                               (f_ "Cannot find findlib package %s (%s)")
                               findlib_pkg
                               (OASISVersion.string_of_comparator ver_cmp)
                   end
               | InternalLibrary nm1 ->
                   (* Check that matching library is built *)
                   List.iter
                     (function
                        | Library ({cs_name = nm2},
                                   {bs_build = build},
                                   _) when nm1 = nm2 ->
                             if not (var_choose build) then
                               add_errors
                                 (f_ "Cannot find buildable internal library \
                                      '%s' when checking build depends")
                                 nm1
                        | _ ->
                            ())
                     pkg.sections)
            bs.bs_build_depends
        end
    in

    (* Parse command line *)
    BaseArgExt.parse argv (BaseEnv.args ());

    (* OCaml version *)
    begin
      match pkg.ocaml_version with
        | Some ver_cmp ->
            begin
              try
                var_ignore_eval
                  (BaseCheck.version
                     "ocaml"
                     ver_cmp
                     BaseStandardVar.ocaml_version)
              with e ->
                warn_exception e;
                add_errors
                  (f_ "OCaml version %s doesn't match version constraint %s")
                  (BaseStandardVar.ocaml_version ())
                  (OASISVersion.string_of_comparator ver_cmp)
            end
        | None ->
            ()
    end;

    (* Findlib version *)
    begin
      match pkg.findlib_version with
        | Some ver_cmp ->
            begin
              try
                var_ignore_eval
                  (BaseCheck.version
                     "findlib"
                     ver_cmp
                     BaseStandardVar.findlib_version)
              with e ->
                warn_exception e;
                add_errors
                  (f_ "Findlib version %s doesn't match version constraint %s")
                  (BaseStandardVar.findlib_version ())
                  (OASISVersion.string_of_comparator ver_cmp)
            end
        | None ->
            ()
    end;

    (* FlexDLL *)
    if BaseStandardVar.os_type () = "Win32" ||
       BaseStandardVar.os_type () = "Cygwin" then
      begin
        try
          var_ignore_eval BaseStandardVar.flexlink
        with e ->
          warn_exception e;
          add_errors (f_ "Cannot find 'flexlink'")
      end;

    (* Check build depends *)
    List.iter
      (function
         | Executable (_, bs, _)
         | Library (_, bs, _) as sct ->
             build_checks sct bs
         | Doc (_, doc) ->
             if var_choose doc.doc_build then
               check_tools doc.doc_build_tools
         | Test (_, test) ->
             if var_choose test.test_run then
               check_tools test.test_tools
         | _ ->
             ())
      pkg.sections;

    (* Check if we need native dynlink (presence of libraries that compile to
     * native)
     *)
    begin
      let has_cmxa =
        List.exists
          (function
             | Library (_, bs, _) ->
                 var_choose bs.bs_build &&
                 (bs.bs_compiled_object = Native ||
                  (bs.bs_compiled_object = Best &&
                   bool_of_string (BaseStandardVar.is_native ())))
             | _  ->
                 false)
          pkg.sections
      in
        if has_cmxa then
          var_ignore_eval BaseStandardVar.native_dynlink
    end;

    (* Check errors *)
    if SetString.empty != !errors then
      begin
        List.iter
          (fun e -> error "%s" e)
          (SetString.elements !errors);
        failwithf
          (fn_
             "%d configuration error"
             "%d configuration errors"
             (SetString.cardinal !errors))
          (SetString.cardinal !errors)
      end

end

module InternalInstallPlugin = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/plugins/internal/InternalInstallPlugin.ml"

  (** Install using internal scheme
      @author Sylvain Le Gall
    *)

  open BaseEnv
  open BaseStandardVar
  open BaseMessage
  open OASISTypes
  open OASISLibrary
  open OASISGettext
  open OASISUtils

  let exec_hook =
    ref (fun (cs, bs, exec) -> cs, bs, exec)

  let lib_hook =
    ref (fun (cs, bs, lib) -> cs, bs, lib, [])

  let doc_hook =
    ref (fun (cs, doc) -> cs, doc)

  let install_file_ev =
    "install-file"

  let install_dir_ev =
    "install-dir"

  let install_findlib_ev =
    "install-findlib"

  let win32_max_command_line_length = 8000

  let split_install_command ocamlfind findlib_name meta files =
    if Sys.os_type = "Win32" then
      (* Arguments for the first command: *)
      let first_args = ["install"; findlib_name; meta] in
      (* Arguments for remaining commands: *)
      let other_args = ["install"; findlib_name; "-add"] in
      (* Extract as much files as possible from [files], [len] is
         the current command line length: *)
      let rec get_files len acc files =
        match files with
          | [] ->
              (List.rev acc, [])
          | file :: rest ->
              let len = len + 1 + String.length file in
              if len > win32_max_command_line_length then
                (List.rev acc, files)
              else
                get_files len (file :: acc) rest
      in
      (* Split the command into several commands. *)
      let rec split args files =
        match files with
          | [] ->
              []
          | _ ->
              (* Length of "ocamlfind install <lib> [META|-add]" *)
              let len =
                List.fold_left
                  (fun len arg ->
                     len + 1 (* for the space *) + String.length arg)
                  (String.length ocamlfind)
                  args
              in
              match get_files len [] files with
                | ([], _) ->
                    failwith (s_ "Command line too long.")
                | (firsts, others) ->
                    let cmd = args @ firsts in
                    (* Use -add for remaining commands: *)
                    let () = 
                      let findlib_ge_132 =
                        OASISVersion.comparator_apply
                          (OASISVersion.version_of_string 
                             (BaseStandardVar.findlib_version ()))
                          (OASISVersion.VGreaterEqual 
                             (OASISVersion.version_of_string "1.3.2"))
                      in
                        if not findlib_ge_132 then
                          failwithf
                            (f_ "Installing the library %s require to use the flag \
                                 '-add' of ocamlfind because the command line is too \
                                  long. This flag is only available for findlib 1.3.2. \
                                  Please upgrade findlib from %s to 1.3.2")
                            findlib_name (BaseStandardVar.findlib_version ())
                    in
                    let cmds = split other_args others in
                    cmd :: cmds
      in
      (* The first command does not use -add: *)
      split first_args files
    else
      ["install" :: findlib_name :: meta :: files]

  let install pkg argv =

    let in_destdir =
      try
        let destdir =
          destdir ()
        in
          (* Practically speaking destdir is prepended
           * at the beginning of the target filename
           *)
          fun fn -> destdir^fn
      with PropList.Not_set _ ->
        fun fn -> fn
    in

    let install_file ?tgt_fn src_file envdir =
      let tgt_dir =
        in_destdir (envdir ())
      in
      let tgt_file =
        Filename.concat
          tgt_dir
          (match tgt_fn with
             | Some fn ->
                 fn
             | None ->
                 Filename.basename src_file)
      in
        (* Create target directory if needed *)
        OASISFileUtil.mkdir_parent
          ~ctxt:!BaseContext.default
          (fun dn ->
             info (f_ "Creating directory '%s'") dn;
             BaseLog.register install_dir_ev dn)
          tgt_dir;

        (* Really install files *)
        info (f_ "Copying file '%s' to '%s'") src_file tgt_file;
        OASISFileUtil.cp ~ctxt:!BaseContext.default src_file tgt_file;
        BaseLog.register install_file_ev tgt_file
    in

    (* Install data into defined directory *)
    let install_data srcdir lst tgtdir =
      let tgtdir =
        OASISHostPath.of_unix (var_expand tgtdir)
      in
        List.iter
          (fun (src, tgt_opt) ->
             let real_srcs =
               OASISFileUtil.glob
                 ~ctxt:!BaseContext.default
                 (Filename.concat srcdir src)
             in
               if real_srcs = [] then
                 failwithf
                   (f_ "Wildcard '%s' doesn't match any files")
                   src;
               List.iter
                 (fun fn ->
                    install_file
                      fn
                      (fun () ->
                         match tgt_opt with
                           | Some s ->
                               OASISHostPath.of_unix (var_expand s)
                           | None ->
                               tgtdir))
                 real_srcs)
          lst
    in

    (** Install all libraries *)
    let install_libs pkg =

      let files_of_library (f_data, acc) data_lib =
        let cs, bs, lib, lib_extra =
          !lib_hook data_lib
        in
          if var_choose bs.bs_install &&
             BaseBuilt.is_built BaseBuilt.BLib cs.cs_name then
            begin
              let acc =
                (* Start with acc + lib_extra *)
                List.rev_append lib_extra acc
              in
              let acc =
                (* Add uncompiled header from the source tree *)
                let path =
                  OASISHostPath.of_unix bs.bs_path
                in
                  List.fold_left
                    (fun acc modul ->
                       try
                         List.find
                           OASISFileUtil.file_exists_case
                           (List.map
                              (Filename.concat path)
                              [modul^".mli";
                               modul^".ml";
                               String.uncapitalize modul^".mli";
                               String.capitalize   modul^".mli";
                               String.uncapitalize modul^".ml";
                               String.capitalize   modul^".ml"])
                         :: acc
                       with Not_found ->
                         begin
                           warning
                             (f_ "Cannot find source header for module %s \
                                  in library %s")
                             modul cs.cs_name;
                           acc
                         end)
                    acc
                    lib.lib_modules
              in

              let acc =
               (* Get generated files *)
               BaseBuilt.fold
                 BaseBuilt.BLib
                 cs.cs_name
                 (fun acc fn -> fn :: acc)
                 acc
              in

              let f_data () =
                (* Install data associated with the library *)
                install_data
                  bs.bs_path
                  bs.bs_data_files
                  (Filename.concat
                     (datarootdir ())
                     pkg.name);
                f_data ()
              in

                (f_data, acc)
            end
           else
            begin
              (f_data, acc)
            end
      in

      (* Install one group of library *)
      let install_group_lib grp =
        (* Iterate through all group nodes *)
        let rec install_group_lib_aux data_and_files grp =
          let data_and_files, children =
            match grp with
              | Container (_, children) ->
                  data_and_files, children
              | Package (_, cs, bs, lib, children) ->
                  files_of_library data_and_files (cs, bs, lib), children
          in
            List.fold_left
              install_group_lib_aux
              data_and_files
              children
        in

        (* Findlib name of the root library *)
        let findlib_name =
          findlib_of_group grp
        in

        (* Determine root library *)
        let root_lib =
          root_of_group grp
        in

        (* All files to install for this library *)
        let f_data, files =
          install_group_lib_aux (ignore, []) grp
        in

          (* Really install, if there is something to install *)
          if files = [] then
            begin
              warning
                (f_ "Nothing to install for findlib library '%s'")
                findlib_name
            end
          else
            begin
              let meta =
                (* Search META file *)
                let (_, bs, _) =
                  root_lib
                in
                let res =
                  Filename.concat bs.bs_path "META"
                in
                  if not (OASISFileUtil.file_exists_case res) then
                    failwithf
                      (f_ "Cannot find file '%s' for findlib library %s")
                      res
                      findlib_name;
                  res
              in
              let files = 
                (* Make filename shorter to avoid hitting command max line length
                 * too early, esp. on Windows.
                 *)
                let remove_prefix p n =
                  let plen = String.length p in
                  let nlen = String.length n in
                    if plen <= nlen && String.sub n 0 plen = p then
                      begin
                        let fn_sep = 
                          if Sys.os_type = "Win32" then
                            '\\'
                          else
                            '/'
                        in
                        let cutpoint = plen +
                          (if plen < nlen && n.[plen] = fn_sep then 
                             1
                           else 
                             0)
                        in
                          String.sub n cutpoint (nlen - cutpoint)
                      end
                    else 
                      n
                in
                  List.map (remove_prefix (Sys.getcwd ())) files 
              in
                info
                  (f_ "Installing findlib library '%s'")
                  findlib_name;
                let ocamlfind = ocamlfind () in
                let commands =
                  split_install_command
                    ocamlfind
                    findlib_name
                    meta
                    files
                in
                List.iter
                  (OASISExec.run ~ctxt:!BaseContext.default ocamlfind)
                  commands;
                BaseLog.register install_findlib_ev findlib_name
            end;

          (* Install data files *)
          f_data ();

      in

      let group_libs, _, _ =
        findlib_mapping pkg
      in

        (* We install libraries in groups *)
        List.iter install_group_lib group_libs
    in

    let install_execs pkg =
      let install_exec data_exec =
        let (cs, bs, exec) =
          !exec_hook data_exec
        in
          if var_choose bs.bs_install &&
             BaseBuilt.is_built BaseBuilt.BExec cs.cs_name then
            begin
              let exec_libdir () =
                Filename.concat
                  (libdir ())
                  pkg.name
              in
                BaseBuilt.fold
                  BaseBuilt.BExec
                  cs.cs_name
                  (fun () fn ->
                     install_file
                       ~tgt_fn:(cs.cs_name ^ ext_program ())
                       fn
                       bindir)
                  ();
                BaseBuilt.fold
                  BaseBuilt.BExecLib
                  cs.cs_name
                  (fun () fn ->
                     install_file
                       fn
                       exec_libdir)
                  ();
                install_data
                  bs.bs_path
                  bs.bs_data_files
                  (Filename.concat
                     (datarootdir ())
                     pkg.name)
            end
      in
        List.iter
          (function
             | Executable (cs, bs, exec)->
                 install_exec (cs, bs, exec)
             | _ ->
                 ())
          pkg.sections
    in

    let install_docs pkg =
      let install_doc data =
        let (cs, doc) =
          !doc_hook data
        in
          if var_choose doc.doc_install &&
             BaseBuilt.is_built BaseBuilt.BDoc cs.cs_name then
            begin
              let tgt_dir =
                OASISHostPath.of_unix (var_expand doc.doc_install_dir)
              in
                BaseBuilt.fold
                  BaseBuilt.BDoc
                  cs.cs_name
                  (fun () fn ->
                     install_file
                       fn
                       (fun () -> tgt_dir))
                ();
                install_data
                  Filename.current_dir_name
                  doc.doc_data_files
                  doc.doc_install_dir
            end
      in
        List.iter
          (function
             | Doc (cs, doc) ->
                 install_doc (cs, doc)
             | _ ->
                 ())
          pkg.sections
    in

      install_libs  pkg;
      install_execs pkg;
      install_docs  pkg

  (* Uninstall already installed data *)
  let uninstall _ argv =
    List.iter
      (fun (ev, data) ->
         if ev = install_file_ev then
           begin
             if OASISFileUtil.file_exists_case data then
               begin
                 info
                   (f_ "Removing file '%s'")
                   data;
                 Sys.remove data
               end
             else
               begin
                 warning
                   (f_ "File '%s' doesn't exist anymore")
                   data
               end
           end
         else if ev = install_dir_ev then
           begin
             if Sys.file_exists data && Sys.is_directory data then
               begin
                 if Sys.readdir data = [||] then
                   begin
                     info
                       (f_ "Removing directory '%s'")
                       data;
                     OASISFileUtil.rmdir ~ctxt:!BaseContext.default data
                   end
                 else
                   begin
                     warning
                       (f_ "Directory '%s' is not empty (%s)")
                       data
                       (String.concat
                          ", "
                          (Array.to_list
                             (Sys.readdir data)))
                   end
               end
             else
               begin
                 warning
                   (f_ "Directory '%s' doesn't exist anymore")
                   data
               end
           end
         else if ev = install_findlib_ev then
           begin
             info (f_ "Removing findlib library '%s'") data;
             OASISExec.run ~ctxt:!BaseContext.default
               (ocamlfind ()) ["remove"; data]
           end
         else
           failwithf (f_ "Unknown log event '%s'") ev;
         BaseLog.unregister ev data)
      (* We process event in reverse order *)
      (List.rev
         (BaseLog.filter
            [install_file_ev;
             install_dir_ev;
             install_findlib_ev;]))

end


# 5233 "setup.ml"
module OCamlbuildCommon = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/plugins/ocamlbuild/OCamlbuildCommon.ml"

  (** Functions common to OCamlbuild build and doc plugin
    *)

  open OASISGettext
  open BaseEnv
  open BaseStandardVar

  let ocamlbuild_clean_ev =
    "ocamlbuild-clean"

  let ocamlbuildflags =
    var_define
      ~short_desc:(fun () -> "OCamlbuild additional flags")
      "ocamlbuildflags"
      (fun () -> "")

  (** Fix special arguments depending on environment *)
  let fix_args args extra_argv =
    List.flatten
      [
        if (os_type ()) = "Win32" then
          [
            "-classic-display";
            "-no-log";
            "-no-links";
            "-install-lib-dir";
            (Filename.concat (standard_library ()) "ocamlbuild")
          ]
        else
          [];

        if not (bool_of_string (is_native ())) || (os_type ()) = "Win32" then
          [
            "-byte-plugin"
          ]
        else
          [];
        args;

        if bool_of_string (debug ()) then
          ["-tag"; "debug"]
        else
          [];

        if bool_of_string (profile ()) then
          ["-tag"; "profile"]
        else
          [];

        OASISString.nsplit (ocamlbuildflags ()) ' ';

        Array.to_list extra_argv;
      ]

  (** Run 'ocamlbuild -clean' if not already done *)
  let run_clean extra_argv =
    let extra_cli =
      String.concat " " (Array.to_list extra_argv)
    in
      (* Run if never called with these args *)
      if not (BaseLog.exists ocamlbuild_clean_ev extra_cli) then
        begin
          OASISExec.run ~ctxt:!BaseContext.default
            (ocamlbuild ()) (fix_args ["-clean"] extra_argv);
          BaseLog.register ocamlbuild_clean_ev extra_cli;
          at_exit
            (fun () ->
               try
                 BaseLog.unregister ocamlbuild_clean_ev extra_cli
               with _ ->
                 ())
        end

  (** Run ocamlbuild, unregister all clean events *)
  let run_ocamlbuild args extra_argv =
    (* TODO: enforce that target in args must be UNIX encoded i.e. toto/index.html
     *)
    OASISExec.run ~ctxt:!BaseContext.default
      (ocamlbuild ()) (fix_args args extra_argv);
    (* Remove any clean event, we must run it again *)
    List.iter
      (fun (e, d) -> BaseLog.unregister e d)
      (BaseLog.filter [ocamlbuild_clean_ev])

  (** Determine real build directory *)
  let build_dir extra_argv =
    let rec search_args dir =
      function
        | "-build-dir" :: dir :: tl ->
            search_args dir tl
        | _ :: tl ->
            search_args dir tl
        | [] ->
            dir
    in
      search_args "_build" (fix_args [] extra_argv)

end

module OCamlbuildPlugin = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/plugins/ocamlbuild/OCamlbuildPlugin.ml"

  (** Build using ocamlbuild
      @author Sylvain Le Gall
    *)

  open OASISTypes
  open OASISGettext
  open OASISUtils
  open BaseEnv
  open OCamlbuildCommon
  open BaseStandardVar
  open BaseMessage

  let cond_targets_hook =
    ref (fun lst -> lst)

  let build pkg argv =

    (* Return the filename in build directory *)
    let in_build_dir fn =
      Filename.concat
        (build_dir argv)
        fn
    in

    (* Return the unix filename in host build directory *)
    let in_build_dir_of_unix fn =
      in_build_dir (OASISHostPath.of_unix fn)
    in

    let cond_targets =
      List.fold_left
        (fun acc ->
           function
             | Library (cs, bs, lib) when var_choose bs.bs_build ->
                 begin
                   let evs, unix_files =
                     BaseBuilt.of_library
                       in_build_dir_of_unix
                       (cs, bs, lib)
                   in

                   let ends_with nd fn =
                     let nd_len =
                       String.length nd
                     in
                       (String.length fn >= nd_len)
                       &&
                       (String.sub
                          fn
                          (String.length fn - nd_len)
                          nd_len) = nd
                   in

                   let tgts =
                     List.flatten
                       (List.filter
                          (fun l -> l <> [])
                          (List.map
                             (List.filter
                                (fun fn ->
                                 ends_with ".cma" fn
                                 || ends_with ".cmxs" fn
                                 || ends_with ".cmxa" fn
                                 || ends_with (ext_lib ()) fn
                                 || ends_with (ext_dll ()) fn))
                             unix_files))
                   in

                     match tgts with
                       | _ :: _ ->
                           (evs, tgts) :: acc
                       | [] ->
                           failwithf
                             (f_ "No possible ocamlbuild targets for library %s")
                             cs.cs_name
                 end

             | Executable (cs, bs, exec) when var_choose bs.bs_build ->
                 begin
                   let evs, unix_exec_is, unix_dll_opt =
                     BaseBuilt.of_executable
                       in_build_dir_of_unix
                       (cs, bs, exec)
                   in

                   let target ext =
                     let unix_tgt =
                       (OASISUnixPath.concat
                          bs.bs_path
                          (OASISUnixPath.chop_extension
                             exec.exec_main_is))^ext
                     in
                     let evs = 
                       (* Fix evs, we want to use the unix_tgt, without copying *)
                       List.map
                         (function
                            | BaseBuilt.BExec, nm, lst when nm = cs.cs_name ->
                                BaseBuilt.BExec, nm, [[in_build_dir_of_unix unix_tgt]]
                            | ev ->
                                ev)
                         evs
                     in
                       evs, [unix_tgt]
                   in

                   (* Add executable *)
                   let acc =
                     match bs.bs_compiled_object with
                       | Native ->
                           (target ".native") :: acc
                       | Best when bool_of_string (is_native ()) ->
                           (target ".native") :: acc
                       | Byte
                       | Best ->
                           (target ".byte") :: acc
                   in
                     acc
                 end

             | Library _ | Executable _ | Test _
             | SrcRepo _ | Flag _ | Doc _ ->
                 acc)
        []
        (* Keep the pkg.sections ordered *)
        (List.rev pkg.sections);
    in

    (* Check and register built files *)
    let check_and_register (bt, bnm, lst) =
      List.iter
        (fun fns ->
           if not (List.exists OASISFileUtil.file_exists_case fns) then
             failwithf
               (f_ "No one of expected built files %s exists")
               (String.concat (s_ ", ") (List.map (Printf.sprintf "'%s'") fns)))
        lst;
        (BaseBuilt.register bt bnm lst)
    in

    let cond_targets =
      (* Run the hook *)
      !cond_targets_hook cond_targets
    in

      (* Run a list of target... *)
      run_ocamlbuild 
        (List.flatten 
           (List.map snd cond_targets))
        argv;
      (* ... and register events *)
      List.iter
        check_and_register
        (List.flatten (List.map fst cond_targets))


  let clean pkg extra_args  =
    run_clean extra_args;
    List.iter
      (function
         | Library (cs, _, _) ->
             BaseBuilt.unregister BaseBuilt.BLib cs.cs_name
         | Executable (cs, _, _) ->
             BaseBuilt.unregister BaseBuilt.BExec cs.cs_name;
             BaseBuilt.unregister BaseBuilt.BExecLib cs.cs_name
         | _ ->
             ())
      pkg.sections

end

module OCamlbuildDocPlugin = struct
# 21 "/Users/tianyi/.opam/system/build/oasis.0.3.0/src/plugins/ocamlbuild/OCamlbuildDocPlugin.ml"

  (* Create documentation using ocamlbuild .odocl files
     @author Sylvain Le Gall
   *)

  open OASISTypes
  open OASISGettext
  open OASISMessage
  open OCamlbuildCommon
  open BaseStandardVar



  let doc_build path pkg (cs, doc) argv =
    let index_html =
      OASISUnixPath.make
        [
          path;
          cs.cs_name^".docdir";
          "index.html";
        ]
    in
    let tgt_dir =
      OASISHostPath.make
        [
          build_dir argv;
          OASISHostPath.of_unix path;
          cs.cs_name^".docdir";
        ]
    in
      run_ocamlbuild [index_html] argv;
      List.iter
        (fun glb ->
           BaseBuilt.register
             BaseBuilt.BDoc
             cs.cs_name
             [OASISFileUtil.glob ~ctxt:!BaseContext.default
                (Filename.concat tgt_dir glb)])
        ["*.html"; "*.css"]

  let doc_clean t pkg (cs, doc) argv =
    run_clean argv;
    BaseBuilt.unregister BaseBuilt.BDoc cs.cs_name

end


# 5558 "setup.ml"
open OASISTypes;;

let setup_t =
  {
     BaseSetup.configure = InternalConfigurePlugin.configure;
     build = OCamlbuildPlugin.build;
     test = [];
     doc = [];
     install = InternalInstallPlugin.install;
     uninstall = InternalInstallPlugin.uninstall;
     clean = [OCamlbuildPlugin.clean];
     clean_test = [];
     clean_doc = [];
     distclean = [];
     distclean_test = [];
     distclean_doc = [];
     package =
       {
          oasis_version = "0.3";
          ocaml_version = None;
          findlib_version = None;
          name = "golio";
          version = "0.1-dev";
          license =
            OASISLicense.DEP5License
              (OASISLicense.DEP5Unit
                 {
                    OASISLicense.license = "MIT";
                    excption = None;
                    version = OASISLicense.NoVersion;
                    });
          license_file = None;
          copyrights = [];
          maintainers = [];
          authors = ["Tianyi Cui"];
          homepage = Some "https://github.com/tianyicui/golio";
          synopsis =
            "GoLio is a lisp dialect implemented in OCaml with a go-like\nconcurrency model (i.e, goroutines and channels).";
          description = None;
          categories = [];
          conf_type = (`Configure, "internal", Some "0.3");
          conf_custom =
            {
               pre_command = [(OASISExpr.EBool true, None)];
               post_command = [(OASISExpr.EBool true, None)];
               };
          build_type = (`Build, "ocamlbuild", Some "0.3");
          build_custom =
            {
               pre_command = [(OASISExpr.EBool true, None)];
               post_command = [(OASISExpr.EBool true, None)];
               };
          install_type = (`Install, "internal", Some "0.3");
          install_custom =
            {
               pre_command = [(OASISExpr.EBool true, None)];
               post_command = [(OASISExpr.EBool true, None)];
               };
          uninstall_custom =
            {
               pre_command = [(OASISExpr.EBool true, None)];
               post_command = [(OASISExpr.EBool true, None)];
               };
          clean_custom =
            {
               pre_command = [(OASISExpr.EBool true, None)];
               post_command = [(OASISExpr.EBool true, None)];
               };
          distclean_custom =
            {
               pre_command = [(OASISExpr.EBool true, None)];
               post_command = [(OASISExpr.EBool true, None)];
               };
          files_ab = [];
          sections =
            [
               Executable
                 ({
                     cs_name = "golio";
                     cs_data = PropList.Data.create ();
                     cs_plugin_data = [];
                     },
                   {
                      bs_build = [(OASISExpr.EBool true, true)];
                      bs_install = [(OASISExpr.EBool true, true)];
                      bs_path = "src/";
                      bs_compiled_object = Best;
                      bs_build_depends =
                        [
                           FindlibPackage ("unix", None);
                           FindlibPackage ("threads", None)
                        ];
                      bs_build_tools = [ExternalTool "ocamlbuild"];
                      bs_c_sources = [];
                      bs_data_files = [];
                      bs_ccopt = [(OASISExpr.EBool true, [])];
                      bs_cclib = [(OASISExpr.EBool true, [])];
                      bs_dlllib = [(OASISExpr.EBool true, [])];
                      bs_dllpath = [(OASISExpr.EBool true, [])];
                      bs_byteopt = [(OASISExpr.EBool true, [])];
                      bs_nativeopt = [(OASISExpr.EBool true, [])];
                      },
                   {exec_custom = false; exec_main_is = "golio.ml"; })
            ];
          plugins = [];
          schema_data = PropList.Data.create ();
          plugin_data = [];
          };
     oasis_fn = Some "_oasis";
     oasis_version = "0.3.0";
     oasis_digest = Some "·9ª: f\015\157\nHÊd\131ÆF¹";
     oasis_exec = None;
     oasis_setup_args = [];
     setup_update = false;
     };;

let setup () = BaseSetup.setup setup_t;;

# 5678 "setup.ml"
(* OASIS_STOP *)
let () = setup ();;