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    -- Build_Dynamic_Library --
  87    ---------------------------
  88
  89    procedure Build_Dynamic_Library
  90      (Ofiles       : Argument_List;
  91       Foreign      : Argument_List;
  92       Afiles       : Argument_List;
  93       Options      : Argument_List;
  94       Options_2    : Argument_List;
  95       Interfaces   : Argument_List;
  96       Lib_Filename : String;
  97       Lib_Dir      : String;
  98       Symbol_Data  : Symbol_Record;
  99       Driver_Name  : Name_Id := No_Name;
 100       Lib_Version  : String  := "";
 101       Auto_Init    : Boolean := False)
 102    is
 103       pragma Unreferenced (Foreign);
 104       pragma Unreferenced (Afiles);
 105       pragma Unreferenced (Auto_Init);
 106       pragma Unreferenced (Symbol_Data);
 107       pragma Unreferenced (Interfaces);
 108       pragma Unreferenced (Lib_Version);
 109
 110       Lib_File : constant String :=
 111                    Lib_Dir & Directory_Separator &
 112                    Files.Ext_To (Lib_Filename, DLL_Ext);
 113
 114    --  Start of processing for Build_Dynamic_Library
 115
 116    begin
 117       if Opt.Verbose_Mode then
 118          Write_Str ("building relocatable shared library ");
 119          Write_Line (Lib_File);
 120       end if;
 121
 122       Tools.Gcc
 123         (Output_File => Lib_File,
 124          Objects     => Ofiles,
 125          Options     => Tools.No_Argument_List,
 126          Options_2   => Options & Options_2,
 127          Driver_Name => Driver_Name);
 128    end Build_Dynamic_Library;
 129
 130    -------------
 131    -- DLL_Ext --
 132    -------------
 133
 134    function DLL_Ext return String is
 135    begin
 136       return "dll";
 137    end DLL_Ext;
 138
 139    --------------------
 140    -- Dynamic_Option --
 141    --------------------
 142
 143    function Dynamic_Option return String is
 144    begin
 145       return "-shared";
 146    end Dynamic_Option;
 147
 148    -------------------
 149    -- Is_Object_Ext --
 150    -------------------
 151
 152    function Is_Object_Ext (Ext : String) return Boolean is
 153    begin
 154       return Ext = ".o";
 155    end Is_Object_Ext;
 156
 157    --------------
 158    -- Is_C_Ext --
 159    --------------
 160
 161    function Is_C_Ext (Ext : String) return Boolean is
 162    begin
 163       return Ext = ".c";
 164    end Is_C_Ext;
 165
 166    --------------------
 167    -- Is_Archive_Ext --
 168    --------------------
 169
 170    function Is_Archive_Ext (Ext : String) return Boolean is
 171    begin
 172       return Ext = ".a" or else Ext = ".dll";
 173    end Is_Archive_Ext;
 174
 175    -------------
 176    -- Libgnat --
 177    -------------
 178
 179    function Libgnat return String is
 180    begin
 181       return "libgnat.a";
 182    end Libgnat;
 183
 184    ------------------------
 185    -- Library_Exists_For --
 186    ------------------------
 187
 188    function Library_Exists_For (Project : Project_Id) return Boolean is
 189    begin
 190       if not Projects.Table (Project).Library then
 191          Prj.Com.Fail ("INTERNAL ERROR: Library_Exists_For called " &
 192                        "for non library project");
 193          return False;
 194
 195       else
 196          declare
 197             Lib_Dir : constant String :=
 198                         Get_Name_String
 199                           (Projects.Table (Project).Library_Dir);
 200             Lib_Name : constant String :=
 201                          Get_Name_String
 202                            (Projects.Table (Project).Library_Name);
 203
 204          begin
 205             if Projects.Table (Project).Library_Kind = Static then
 206                return Is_Regular_File
 207                  (Lib_Dir & Directory_Separator & "lib" &
 208                   MLib.Fil.Ext_To (Lib_Name, Archive_Ext));
 209
 210             else
 211                return Is_Regular_File
 212                  (Lib_Dir & Directory_Separator &
 213                   MLib.Fil.Ext_To (Lib_Name, DLL_Ext));
 214             end if;
 215          end;
 216       end if;
 217    end Library_Exists_For;
 218
 219    ---------------------------
 220    -- Library_File_Name_For --
 221    ---------------------------
 222
 223    function Library_File_Name_For (Project : Project_Id) return Name_Id is
 224    begin
 225       if not Projects.Table (Project).Library then
 226          Prj.Com.Fail ("INTERNAL ERROR: Library_File_Name_For called " &
 227                        "for non library project");
 228          return No_Name;
 229
 230       else
 231          declare
 232             Lib_Name : constant String :=
 233               Get_Name_String (Projects.Table (Project).Library_Name);
 234
 235          begin
 236             if Projects.Table (Project).Library_Kind = Static then
 237                Name_Len := 3;
 238                Name_Buffer (1 .. Name_Len) := "lib";
 239                Add_Str_To_Name_Buffer (Fil.Ext_To (Lib_Name, Archive_Ext));
 240
 241             else
 242                Name_Len := 0;
 243                Add_Str_To_Name_Buffer (Fil.Ext_To (Lib_Name, DLL_Ext));
 244             end if;
 245
 246             return Name_Find;
 247          end;
 248       end if;
 249    end Library_File_Name_For;
 250
 251    ----------------
 252    -- Object_Ext --
 253    ----------------
 254
 255    function Object_Ext return String is
 256    begin
 257       return "o";
 258    end Object_Ext;
 259
 260    ----------------
 261    -- PIC_Option --
 262    ----------------
 263
 264    function PIC_Option return String is
 265    begin
 266       return "";
 267    end PIC_Option;
 268
 269    -----------------------------------------------
 270    -- Standalone_Library_Auto_Init_Is_Supported --
 271    -----------------------------------------------
 272
 273    function Standalone_Library_Auto_Init_Is_Supported return Boolean is
 274    begin
 275       return False;
 276    end Standalone_Library_Auto_Init_Is_Supported;
 277
 278    ---------------------------
 279    -- Support_For_Libraries --
 280    ---------------------------
 281
 282    function Support_For_Libraries return Library_Support is
 283    begin
 284       return Full;
 285    end Support_For_Libraries;
 286
 287 end MLib.Tgt;