summaryrefslogtreecommitdiff
path: root/gcc/ada/mlib-tgt-specific-darwin.adb
blob: 5bab21df7979c4a06afa4e711e7d5951b85480db (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
------------------------------------------------------------------------------
--                                                                          --
--                         GNAT COMPILER COMPONENTS                         --
--                                                                          --
--                     M L I B . T G T . S P E C I F I C                    --
--                             (Darwin Version)                             --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
--          Copyright (C) 2001-2008, Free Software Foundation, Inc.         --
--                                                                          --
-- 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 Darwin version of the body

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

package body MLib.Tgt.Specific is

   --  Non default subprograms

   function Archive_Indexer_Options return String_List_Access;

   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 DLL_Ext return String;

   function Dynamic_Option return String;

   function Is_Archive_Ext (Ext : String) return Boolean;

   --  Local objects

   Flat_Namespace : aliased String := "-Wl,-flat_namespace";
   --  Instruct the linker to build the shared library as a flat
   --  namespace image. The default is a two-level namespace image.

   Shared_Libgcc  : aliased String := "-shared-libgcc";

   Shared_Options : constant Argument_List :=
                      (1 => Flat_Namespace'Access,
                       2 => Shared_Libgcc'Access);

   -----------------------------
   -- Archive_Indexer_Options --
   -----------------------------

   function Archive_Indexer_Options return String_List_Access is
   begin
      return new String_List'(1 => new String'("-c"));
   end Archive_Indexer_Options;

   ---------------------------
   -- 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" & Fil.Append_To (Lib_Filename, DLL_Ext);

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

      Symbolic_Link_Needed : Boolean := False;

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

      --  If specified, add automatic elaboration/finalization

      if Lib_Version = "" then
         Utl.Gcc
           (Output_File => Lib_Path,
            Objects     => Ofiles,
            Options     => Options & Shared_Options,
            Driver_Name => Driver_Name,
            Options_2   => No_Argument_List);

      else
         declare
            Maj_Version : constant String :=
                            Major_Id_Name (Lib_File, Lib_Version);
         begin
            if Is_Absolute_Path (Lib_Version) then
               Utl.Gcc
                 (Output_File => Lib_Version,
                  Objects     => Ofiles,
                  Options     => Options & Shared_Options,
                  Driver_Name => Driver_Name,
                  Options_2   => No_Argument_List);
               Symbolic_Link_Needed := Lib_Version /= Lib_Path;

            else
               Utl.Gcc
                 (Output_File => Lib_Dir & Directory_Separator & Lib_Version,
                  Objects     => Ofiles,
                  Options     => Options & Shared_Options,
                  Driver_Name => Driver_Name,
                  Options_2   => No_Argument_List);
               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;

   -------------
   -- DLL_Ext --
   -------------

   function DLL_Ext return String is
   begin
      return "dylib";
   end DLL_Ext;

   --------------------
   -- Dynamic_Option --
   --------------------

   function Dynamic_Option return String is
   begin
      return "-dynamiclib";
   end Dynamic_Option;

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

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

begin
   Archive_Indexer_Options_Ptr := Archive_Indexer_Options'Access;
   Build_Dynamic_Library_Ptr := Build_Dynamic_Library'Access;
   DLL_Ext_Ptr := DLL_Ext'Access;
   Dynamic_Option_Ptr := Dynamic_Option'Access;
   Is_Archive_Ext_Ptr := Is_Archive_Ext'Access;
end MLib.Tgt.Specific;