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