gcc/ada/mlib-tgt-specific-darwin.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                     M L I B . T G T . S P E C I F I C                    --
   6 --                             (Darwin Version)                             --
   7 --                                                                          --
   8 --                                 B o d y                                  --
   9 --                                                                          --
  10 --          Copyright (C) 2001-2008, Free Software Foundation, Inc.         --
  11 --                                                                          --
  12 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  13 -- terms of the  GNU General Public License as published  by the Free Soft- --
  14 -- ware  Foundation;  either version 3,  or (at your option) any later ver- --
  15 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  16 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  17 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  18 -- for  more details.  You should have  received  a copy of the GNU General --
  19 -- Public License  distributed with GNAT; see file COPYING3.  If not, go to --
  20 -- http://www.gnu.org/licenses for a complete copy of the license.          --
  21 --                                                                          --
  22 -- GNAT was originally developed  by the GNAT team at  New York University. --
  23 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  24 --                                                                          --
  25 ------------------------------------------------------------------------------
  26
  27 --  This is the Darwin version of the body
  28
  29 with MLib;     use MLib;
  30 with MLib.Fil;
  31 with MLib.Utl;
  32 with Opt;      use Opt;
  33 with Output;   use Output;
  34
  35 package body MLib.Tgt.Specific is
  36
  37    --  Non default subprograms
  38
  39    procedure Build_Dynamic_Library
  40      (Ofiles       : Argument_List;
  41       Options      : Argument_List;
  42       Interfaces   : Argument_List;
  43       Lib_Filename : String;
  44       Lib_Dir      : String;
  45       Symbol_Data  : Symbol_Record;
  46       Driver_Name  : Name_Id := No_Name;
  47       Lib_Version  : String  := "";
  48       Auto_Init    : Boolean := False);
  49
  50    function DLL_Ext return String;
  51
  52    function Dynamic_Option return String;
  53
  54    function Is_Archive_Ext (Ext : String) return Boolean;
  55
  56    --  Local objects
  57
  58    Shared_Libgcc  : aliased String := "-shared-libgcc";
  59
  60    Shared_Options : constant Argument_List :=
  61                       (1 => Shared_Libgcc'Access);
  62
  63    ---------------------------
  64    -- Build_Dynamic_Library --
  65    ---------------------------
  66
  67    procedure Build_Dynamic_Library
  68      (Ofiles       : Argument_List;
  69       Options      : Argument_List;
  70       Interfaces   : Argument_List;
  71       Lib_Filename : String;
  72       Lib_Dir      : String;
  73       Symbol_Data  : Symbol_Record;
  74       Driver_Name  : Name_Id := No_Name;
  75       Lib_Version  : String  := "";
  76       Auto_Init    : Boolean := False)
  77    is
  78       pragma Unreferenced (Interfaces);
  79       pragma Unreferenced (Symbol_Data);
  80       pragma Unreferenced (Auto_Init);
  81
  82       Lib_File : constant String :=
  83                    "lib" & Fil.Append_To (Lib_Filename, DLL_Ext);
  84
  85       Lib_Path : constant String :=
  86                    Lib_Dir & Directory_Separator & Lib_File;
  87
  88       Symbolic_Link_Needed : Boolean := False;
  89
  90    begin
  91       if Opt.Verbose_Mode then
  92          Write_Str ("building relocatable shared library ");
  93          Write_Line (Lib_File);
  94       end if;
  95
  96       --  If specified, add automatic elaboration/finalization
  97
  98       if Lib_Version = "" then
  99          Utl.Gcc
 100            (Output_File => Lib_Path,
 101             Objects     => Ofiles,
 102             Options     => Options & Shared_Options,
 103             Driver_Name => Driver_Name,
 104             Options_2   => No_Argument_List);
 105
 106       else
 107          declare
 108             Maj_Version : constant String :=
 109                             Major_Id_Name (Lib_File, Lib_Version);
 110          begin
 111             if Is_Absolute_Path (Lib_Version) then
 112                Utl.Gcc
 113                  (Output_File => Lib_Version,
 114                   Objects     => Ofiles,
 115                   Options     => Options & Shared_Options,
 116                   Driver_Name => Driver_Name,
 117                   Options_2   => No_Argument_List);
 118                Symbolic_Link_Needed := Lib_Version /= Lib_Path;
 119
 120             else
 121                Utl.Gcc
 122                  (Output_File => Lib_Dir & Directory_Separator & Lib_Version,
 123                   Objects     => Ofiles,
 124                   Options     => Options & Shared_Options,
 125                   Driver_Name => Driver_Name,
 126                   Options_2   => No_Argument_List);
 127                Symbolic_Link_Needed :=
 128                  Lib_Dir & Directory_Separator & Lib_Version /= Lib_Path;
 129             end if;
 130
 131             if Symbolic_Link_Needed then
 132                Create_Sym_Links
 133                  (Lib_Path, Lib_Version, Lib_Dir, Maj_Version);
 134             end if;
 135          end;
 136       end if;
 137    end Build_Dynamic_Library;
 138
 139    -------------
 140    -- DLL_Ext --
 141    -------------
 142
 143    function DLL_Ext return String is
 144    begin
 145       return "dylib";
 146    end DLL_Ext;
 147
 148    --------------------
 149    -- Dynamic_Option --
 150    --------------------
 151
 152    function Dynamic_Option return String is
 153    begin
 154       return "-dynamiclib";
 155    end Dynamic_Option;
 156
 157    --------------------
 158    -- Is_Archive_Ext --
 159    --------------------
 160
 161    function Is_Archive_Ext (Ext : String) return Boolean is
 162    begin
 163       return Ext = ".dylib" or else Ext = ".a";
 164    end Is_Archive_Ext;
 165
 166 begin
 167    Build_Dynamic_Library_Ptr := Build_Dynamic_Library'Access;
 168    DLL_Ext_Ptr := DLL_Ext'Access;
 169    Dynamic_Option_Ptr := Dynamic_Option'Access;
 170    Is_Archive_Ext_Ptr := Is_Archive_Ext'Access;
 171 end MLib.Tgt.Specific;