gcc/ada/mlib-tgt-mingw.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                             M L I B . T G T                              --
   6 --                            (Windows Version)                             --
   7 --                                                                          --
   8 --                                 B o d y                                  --
   9 --                                                                          --
  10 --          Copyright (C) 2002-2004, 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 2,  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 COPYING.  If not, write --
  20 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  21 -- MA 02111-1307, USA.                                                      --
  22 --                                                                          --
  23 -- GNAT was originally developed  by the GNAT team at  New York University. --
  24 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  25 --                                                                          --
  26 ------------------------------------------------------------------------------
  27
  28 --  This package provides a set of target dependent routines to build
  29 --  static, dynamic and shared libraries.
  30
  31 --  This is the Windows version of the body. Works only with GCC versions
  32 --  supporting the "-shared" option.
  33
  34 with Namet;  use Namet;
  35 with Opt;
  36 with Output; use Output;
  37 with Prj.Com;
  38
  39 with GNAT.OS_Lib; use GNAT.OS_Lib;
  40
  41 with MLib.Fil;
  42 with MLib.Utl;
  43
  44 package body MLib.Tgt is
  45
  46    package Files renames MLib.Fil;
  47    package Tools renames MLib.Utl;
  48
  49    ---------------------
  50    -- Archive_Builder --
  51    ---------------------
  52
  53    function Archive_Builder return String is
  54    begin
  55       return "ar";
  56    end Archive_Builder;
  57
  58    -----------------------------
  59    -- Archive_Builder_Options --
  60    -----------------------------
  61
  62    function Archive_Builder_Options return String_List_Access is
  63    begin
  64       return new String_List'(1 => new String'("cr"));
  65    end Archive_Builder_Options;
  66
  67    -----------------
  68    -- Archive_Ext --
  69    -----------------
  70
  71    function Archive_Ext return  String is
  72    begin
  73       return "a";
  74    end Archive_Ext;
  75
  76    ---------------------
  77    -- Archive_Indexer --
  78    ---------------------
  79
  80    function Archive_Indexer return String is
  81    begin
  82       return "ranlib";
  83    end Archive_Indexer;
  84
  85    -----------------------------
  86    -- Archive_Indexer_Options --
  87    -----------------------------
  88
  89    function Archive_Indexer_Options return String_List_Access is
  90    begin
  91       return new String_List (1 .. 0);
  92    end Archive_Indexer_Options;
  93
  94    ---------------------------
  95    -- Build_Dynamic_Library --
  96    ---------------------------
  97
  98    procedure Build_Dynamic_Library
  99      (Ofiles       : Argument_List;
 100       Foreign      : Argument_List;
 101       Afiles       : Argument_List;
 102       Options      : Argument_List;
 103       Options_2    : Argument_List;
 104       Interfaces   : Argument_List;
 105       Lib_Filename : String;
 106       Lib_Dir      : String;
 107       Symbol_Data  : Symbol_Record;
 108       Driver_Name  : Name_Id := No_Name;
 109       Lib_Version  : String  := "";
 110       Auto_Init    : Boolean := False)
 111    is
 112       pragma Unreferenced (Foreign);
 113       pragma Unreferenced (Afiles);
 114       pragma Unreferenced (Auto_Init);
 115       pragma Unreferenced (Symbol_Data);
 116       pragma Unreferenced (Interfaces);
 117       pragma Unreferenced (Lib_Version);
 118
 119       Lib_File : constant String :=
 120                    Lib_Dir & Directory_Separator &
 121                    Files.Ext_To (Lib_Filename, DLL_Ext);
 122
 123    --  Start of processing for Build_Dynamic_Library
 124
 125    begin
 126       if Opt.Verbose_Mode then
 127          Write_Str ("building relocatable shared library ");
 128          Write_Line (Lib_File);
 129       end if;
 130
 131       Tools.Gcc
 132         (Output_File => Lib_File,
 133          Objects     => Ofiles,
 134          Options     => Tools.No_Argument_List,
 135          Options_2   => Options & Options_2,
 136          Driver_Name => Driver_Name);
 137    end Build_Dynamic_Library;
 138
 139    -------------
 140    -- DLL_Ext --
 141    -------------
 142
 143    function DLL_Ext return String is
 144    begin
 145       return "dll";
 146    end DLL_Ext;
 147
 148    --------------------
 149    -- Dynamic_Option --
 150    --------------------
 151
 152    function Dynamic_Option return String is
 153    begin
 154       return "-shared";
 155    end Dynamic_Option;
 156
 157    -------------------
 158    -- Is_Object_Ext --
 159    -------------------
 160
 161    function Is_Object_Ext (Ext : String) return Boolean is
 162    begin
 163       return Ext = ".o";
 164    end Is_Object_Ext;
 165
 166    --------------
 167    -- Is_C_Ext --
 168    --------------
 169
 170    function Is_C_Ext (Ext : String) return Boolean is
 171    begin
 172       return Ext = ".c";
 173    end Is_C_Ext;
 174
 175    --------------------
 176    -- Is_Archive_Ext --
 177    --------------------
 178
 179    function Is_Archive_Ext (Ext : String) return Boolean is
 180    begin
 181       return Ext = ".a" or else Ext = ".dll";
 182    end Is_Archive_Ext;
 183
 184    -------------
 185    -- Libgnat --
 186    -------------
 187
 188    function Libgnat return String is
 189    begin
 190       return "libgnat.a";
 191    end Libgnat;
 192
 193    ------------------------
 194    -- Library_Exists_For --
 195    ------------------------
 196
 197    function Library_Exists_For (Project : Project_Id) return Boolean is
 198    begin
 199       if not Projects.Table (Project).Library then
 200          Prj.Com.Fail ("INTERNAL ERROR: Library_Exists_For called " &
 201                        "for non library project");
 202          return False;
 203
 204       else
 205          declare
 206             Lib_Dir : constant String :=
 207                         Get_Name_String
 208                           (Projects.Table (Project).Library_Dir);
 209             Lib_Name : constant String :=
 210                          Get_Name_String
 211                            (Projects.Table (Project).Library_Name);
 212
 213          begin
 214             if Projects.Table (Project).Library_Kind = Static then
 215                return Is_Regular_File
 216                  (Lib_Dir & Directory_Separator & "lib" &
 217                   MLib.Fil.Ext_To (Lib_Name, Archive_Ext));
 218
 219             else
 220                return Is_Regular_File
 221                  (Lib_Dir & Directory_Separator &
 222                   MLib.Fil.Ext_To (Lib_Name, DLL_Ext));
 223             end if;
 224          end;
 225       end if;
 226    end Library_Exists_For;
 227
 228    ---------------------------
 229    -- Library_File_Name_For --
 230    ---------------------------
 231
 232    function Library_File_Name_For (Project : Project_Id) return Name_Id is
 233    begin
 234       if not Projects.Table (Project).Library then
 235          Prj.Com.Fail ("INTERNAL ERROR: Library_File_Name_For called " &
 236                        "for non library project");
 237          return No_Name;
 238
 239       else
 240          declare
 241             Lib_Name : constant String :=
 242               Get_Name_String (Projects.Table (Project).Library_Name);
 243
 244          begin
 245             if Projects.Table (Project).Library_Kind = Static then
 246                Name_Len := 3;
 247                Name_Buffer (1 .. Name_Len) := "lib";
 248                Add_Str_To_Name_Buffer (Fil.Ext_To (Lib_Name, Archive_Ext));
 249
 250             else
 251                Name_Len := 0;
 252                Add_Str_To_Name_Buffer (Fil.Ext_To (Lib_Name, DLL_Ext));
 253             end if;
 254
 255             return Name_Find;
 256          end;
 257       end if;
 258    end Library_File_Name_For;
 259
 260    ----------------
 261    -- Object_Ext --
 262    ----------------
 263
 264    function Object_Ext return String is
 265    begin
 266       return "o";
 267    end Object_Ext;
 268
 269    ----------------
 270    -- PIC_Option --
 271    ----------------
 272
 273    function PIC_Option return String is
 274    begin
 275       return "";
 276    end PIC_Option;
 277
 278    -----------------------------------------------
 279    -- Standalone_Library_Auto_Init_Is_Supported --
 280    -----------------------------------------------
 281
 282    function Standalone_Library_Auto_Init_Is_Supported return Boolean is
 283    begin
 284       return False;
 285    end Standalone_Library_Auto_Init_Is_Supported;
 286
 287    ---------------------------
 288    -- Support_For_Libraries --
 289    ---------------------------
 290
 291    function Support_For_Libraries return Library_Support is
 292    begin
 293       return Full;
 294    end Support_For_Libraries;
 295
 296 end MLib.Tgt;