1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT COMPILER COMPONENTS                         --
4--                                                                          --
5--                     M L I B . T G T . S P E C I F I C                    --
6--                             (HP-UX Version)                              --
7--                                                                          --
8--                                 B o d y                                  --
9--                                                                          --
10--                     Copyright (C) 2003-2008, AdaCore                     --
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 HP-UX version of the body
28
29with MLib.Fil;
30with MLib.Utl;
31with Opt;
32with Output; use Output;
33
34package body MLib.Tgt.Specific is
35
36   --  Non default subprograms
37
38   procedure Build_Dynamic_Library
39     (Ofiles       : Argument_List;
40      Options      : Argument_List;
41      Interfaces   : Argument_List;
42      Lib_Filename : String;
43      Lib_Dir      : String;
44      Symbol_Data  : Symbol_Record;
45      Driver_Name  : Name_Id := No_Name;
46      Lib_Version  : String  := "";
47      Auto_Init    : Boolean := False);
48
49   function DLL_Ext return String;
50
51   function Is_Archive_Ext (Ext : String) return Boolean;
52
53   ---------------------------
54   -- Build_Dynamic_Library --
55   ---------------------------
56
57   procedure Build_Dynamic_Library
58     (Ofiles       : Argument_List;
59      Options      : Argument_List;
60      Interfaces   : Argument_List;
61      Lib_Filename : String;
62      Lib_Dir      : String;
63      Symbol_Data  : Symbol_Record;
64      Driver_Name  : Name_Id := No_Name;
65      Lib_Version  : String  := "";
66      Auto_Init    : Boolean := False)
67   is
68      pragma Unreferenced (Interfaces);
69      pragma Unreferenced (Symbol_Data);
70      pragma Unreferenced (Auto_Init);
71
72      Lib_File : constant String :=
73                   "lib" & Fil.Append_To (Lib_Filename, DLL_Ext);
74
75      Lib_Path : constant String :=
76                   Lib_Dir & Directory_Separator & Lib_File;
77
78      Version_Arg          : String_Access;
79      Symbolic_Link_Needed : Boolean := False;
80
81      Common_Options : constant Argument_List :=
82                         Options & new String'(PIC_Option);
83      --  Common set of options to the gcc command performing the link.
84      --  On HPUX, this command eventually resorts to collect2, which may
85      --  generate a C file and compile it on the fly. This compilation shall
86      --  also generate position independent code for the final link to
87      --  succeed.
88   begin
89      if Opt.Verbose_Mode then
90         Write_Str ("building relocatable shared library ");
91         Write_Line (Lib_Path);
92      end if;
93
94      if Lib_Version = "" then
95         MLib.Utl.Gcc
96           (Output_File => Lib_Path,
97            Objects     => Ofiles,
98            Options     => Common_Options,
99            Options_2   => No_Argument_List,
100            Driver_Name => Driver_Name);
101
102      else
103         declare
104            Maj_Version : constant String :=
105                            Major_Id_Name (Lib_File, Lib_Version);
106         begin
107            if Maj_Version'Length /= 0 then
108               Version_Arg := new String'("-Wl,+h," & Maj_Version);
109
110            else
111               Version_Arg := new String'("-Wl,+h," & Lib_Version);
112            end if;
113
114            if Is_Absolute_Path (Lib_Version) then
115               MLib.Utl.Gcc
116                 (Output_File => Lib_Version,
117                  Objects     => Ofiles,
118                  Options     => Common_Options & Version_Arg,
119                  Options_2   => No_Argument_List,
120                  Driver_Name => Driver_Name);
121               Symbolic_Link_Needed := Lib_Version /= Lib_Path;
122
123            else
124               MLib.Utl.Gcc
125                 (Output_File => Lib_Dir & Directory_Separator & Lib_Version,
126                  Objects     => Ofiles,
127                  Options     => Common_Options & Version_Arg,
128                  Options_2   => No_Argument_List,
129                  Driver_Name => Driver_Name);
130               Symbolic_Link_Needed :=
131                 Lib_Dir & Directory_Separator & Lib_Version /= Lib_Path;
132            end if;
133
134            if Symbolic_Link_Needed then
135               Create_Sym_Links
136                 (Lib_Path, Lib_Version, Lib_Dir, Maj_Version);
137            end if;
138         end;
139      end if;
140   end Build_Dynamic_Library;
141
142   -------------
143   -- DLL_Ext --
144   -------------
145
146   function DLL_Ext return String is
147   begin
148      return "sl";
149   end DLL_Ext;
150
151   --------------------
152   -- Is_Archive_Ext --
153   --------------------
154
155   function Is_Archive_Ext (Ext : String) return Boolean is
156   begin
157      return Ext = ".a" or else Ext = ".so";
158   end Is_Archive_Ext;
159
160begin
161   Build_Dynamic_Library_Ptr := Build_Dynamic_Library'Access;
162   DLL_Ext_Ptr := DLL_Ext'Access;
163   Is_Archive_Ext_Ptr := Is_Archive_Ext'Access;
164end MLib.Tgt.Specific;
165