------------------------------------------------------------------------------
--                                                                          --
--                         GNAT COMPILER COMPONENTS                         --
--                                                                          --
--                     M L I B . T G T . S P E C I F I C                    --
--                              (IRIX Version)                              --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
--                     Copyright (C) 2003-2007, AdaCore                     --
--                                                                          --
-- GNAT is free software;  you can  redistribute it  and/or modify it under --
-- terms of the  GNU General Public License as published  by the Free Soft- --
-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
-- for  more details.  You should have  received  a copy of the GNU General --
-- Public License  distributed with GNAT; see file COPYING3.  If not, go to --
-- http://www.gnu.org/licenses for a complete copy of the license.          --
--                                                                          --
-- GNAT was originally developed  by the GNAT team at  New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc.      --
--                                                                          --
------------------------------------------------------------------------------

--  This is the IRIX version of the body

with MLib.Fil;
with MLib.Utl;
with Opt;
with Output; use Output;

package body MLib.Tgt.Specific is

   --  Non default subprogram

   procedure Build_Dynamic_Library
     (Ofiles       : Argument_List;
      Options      : Argument_List;
      Interfaces   : Argument_List;
      Lib_Filename : String;
      Lib_Dir      : String;
      Symbol_Data  : Symbol_Record;
      Driver_Name  : Name_Id := No_Name;
      Lib_Version  : String  := "";
      Auto_Init    : Boolean := False);

   function Is_Archive_Ext (Ext : String) return Boolean;

   ---------------------------
   -- Build_Dynamic_Library --
   ---------------------------

   procedure Build_Dynamic_Library
     (Ofiles       : Argument_List;
      Options      : Argument_List;
      Interfaces   : Argument_List;
      Lib_Filename : String;
      Lib_Dir      : String;
      Symbol_Data  : Symbol_Record;
      Driver_Name  : Name_Id := No_Name;
      Lib_Version  : String  := "";
      Auto_Init    : Boolean := False)
   is
      pragma Unreferenced (Interfaces);
      pragma Unreferenced (Symbol_Data);
      pragma Unreferenced (Auto_Init);

      Lib_File : constant String :=
                   "lib" & MLib.Fil.Append_To (Lib_Filename, DLL_Ext);

      Lib_Path : constant String :=
                   Lib_Dir & Directory_Separator & Lib_File;

      Version_Arg          : String_Access;
      Symbolic_Link_Needed : Boolean := False;

      N_Options    : Argument_List := Options;
      Options_Last : Natural := N_Options'Last;
      --  After moving -lxxx to Options_2, N_Options up to index Options_Last
      --  will contain the Options to pass to MLib.Utl.Gcc.

      Real_Options_2 : Argument_List (1 .. Options'Length);
      Real_Options_2_Last : Natural := 0;
      --  Real_Options_2 up to index Real_Options_2_Last will contain the
      --  Options_2 to pass to MLib.Utl.Gcc.

   begin
      if Opt.Verbose_Mode then
         Write_Str ("building relocatable shared library ");
         Write_Line (Lib_Path);
      end if;

      --  Move all -lxxx to Options_2

      declare
         Index : Natural := N_Options'First;
         Arg   : String_Access;

      begin
         while Index <= Options_Last loop
            Arg := N_Options (Index);

            if Arg'Length > 2
              and then Arg (Arg'First .. Arg'First + 1) = "-l"
            then
               Real_Options_2_Last := Real_Options_2_Last + 1;
               Real_Options_2 (Real_Options_2_Last) := Arg;
               N_Options (Index .. Options_Last - 1) :=
                 N_Options (Index + 1 .. Options_Last);
               Options_Last := Options_Last - 1;

            else
               Index := Index + 1;
            end if;
         end loop;
      end;

      if Lib_Version = "" then
         MLib.Utl.Gcc
           (Output_File => Lib_Path,
            Objects     => Ofiles,
            Options     => N_Options (N_Options'First .. Options_Last),
            Driver_Name => Driver_Name,
            Options_2   => Real_Options_2 (1 .. Real_Options_2_Last));

      else
         declare
            Maj_Version : constant String :=
                            Major_Id_Name (Lib_File, Lib_Version);
         begin
            if Maj_Version'Length /= 0 then
               Version_Arg := new String'("-Wl,-soname," & Maj_Version);

            else
               Version_Arg := new String'("-Wl,-soname," & Lib_Version);
            end if;

            if Is_Absolute_Path (Lib_Version) then
               MLib.Utl.Gcc
                 (Output_File => Lib_Version,
                  Objects     => Ofiles,
                  Options     => N_Options (N_Options'First .. Options_Last) &
                  Version_Arg,
                  Driver_Name => Driver_Name,
                  Options_2   => Real_Options_2 (1 .. Real_Options_2_Last));
               Symbolic_Link_Needed := Lib_Version /= Lib_Path;

            else
               MLib.Utl.Gcc
                 (Output_File => Lib_Dir & Directory_Separator & Lib_Version,
                  Objects     => Ofiles,
                  Options     => N_Options (N_Options'First .. Options_Last) &
                  Version_Arg,
                  Driver_Name => Driver_Name,
                  Options_2   => Real_Options_2 (1 .. Real_Options_2_Last));
               Symbolic_Link_Needed :=
                 Lib_Dir & Directory_Separator & Lib_Version /= Lib_Path;
            end if;

            if Symbolic_Link_Needed then
               Create_Sym_Links
                 (Lib_Path, Lib_Version, Lib_Dir, Maj_Version);
            end if;
         end;
      end if;
   end Build_Dynamic_Library;

   --------------------
   -- Is_Archive_Ext --
   --------------------

   function Is_Archive_Ext (Ext : String) return Boolean is
   begin
      return Ext = ".a" or else Ext = ".so";
   end Is_Archive_Ext;

begin
   Build_Dynamic_Library_Ptr := Build_Dynamic_Library'Access;
   Is_Archive_Ext_Ptr := Is_Archive_Ext'Access;
end MLib.Tgt.Specific;