1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
6 -- (GNU/Linux Version) --
12 -- Copyright (C) 2001, Ada Core Technologies, Inc. --
14 -- GNAT is free software; you can redistribute it and/or modify it under --
15 -- terms of the GNU General Public License as published by the Free Soft- --
16 -- ware Foundation; either version 2, or (at your option) any later ver- --
17 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
18 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
19 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
20 -- for more details. You should have received a copy of the GNU General --
21 -- Public License distributed with GNAT; see file COPYING. If not, write --
22 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
23 -- MA 02111-1307, USA. --
25 -- GNAT was originally developed by the GNAT team at New York University. --
26 -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
28 ------------------------------------------------------------------------------
30 -- This package provides a set of target dependent routines to build
31 -- static, dynamic and shared libraries.
33 -- This is the GNU/Linux version of the body.
35 with Ada.Characters.Handling; use Ada.Characters.Handling;
36 with GNAT.Directory_Operations; use GNAT.Directory_Operations;
39 with Namet; use Namet;
41 with Osint; use Osint;
42 with Output; use Output;
45 package body MLib.Tgt is
50 -- ??? serious lack of comments below, all these declarations need to
51 -- be commented, none are:
53 package Files renames MLib.Fil;
54 package Tools renames MLib.Utl;
56 Args : Argument_List_Access := new Argument_List (1 .. 20);
57 Last_Arg : Natural := 0;
59 Cp : constant String_Access := Locate_Exec_On_Path ("cp");
60 Force : constant String_Access := new String'("-f");
62 procedure Add_Arg (Arg : String);
68 procedure Add_Arg (Arg : String) is
70 if Last_Arg = Args'Last then
72 New_Args : constant Argument_List_Access :=
73 new Argument_List (1 .. Args'Last * 2);
76 New_Args (Args'Range) := Args.all;
81 Last_Arg := Last_Arg + 1;
82 Args (Last_Arg) := new String'(Arg);
89 function Archive_Ext return String is
98 function Base_Option return String is
103 ---------------------------
104 -- Build_Dynamic_Library --
105 ---------------------------
107 procedure Build_Dynamic_Library
108 (Ofiles : Argument_List;
109 Foreign : Argument_List;
110 Afiles : Argument_List;
111 Options : Argument_List;
112 Lib_Filename : String;
114 Lib_Address : String := "";
115 Lib_Version : String := "";
116 Relocatable : Boolean := False)
118 Lib_File : constant String :=
119 Lib_Dir & Directory_Separator & "lib" &
120 Files.Ext_To (Lib_Filename, DLL_Ext);
122 use type Argument_List;
123 use type String_Access;
125 Version_Arg : String_Access;
127 Symbolic_Link_Needed : Boolean := False;
130 if Opt.Verbose_Mode then
131 Write_Str ("building relocatable shared library ");
132 Write_Line (Lib_File);
135 if Lib_Version = "" then
137 (Output_File => Lib_File,
142 Version_Arg := new String'("-Wl,-soname," & Lib_Version);
144 if Is_Absolute_Path (Lib_Version) then
146 (Output_File => Lib_Version,
148 Options => Options & Version_Arg);
149 Symbolic_Link_Needed := Lib_Version /= Lib_File;
153 (Output_File => Lib_Dir & Directory_Separator & Lib_Version,
155 Options => Options & Version_Arg);
156 Symbolic_Link_Needed :=
157 Lib_Dir & Directory_Separator & Lib_Version /= Lib_File;
160 if Symbolic_Link_Needed then
163 Oldpath : String (1 .. Lib_Version'Length + 1);
164 Newpath : String (1 .. Lib_File'Length + 1);
168 (Oldpath : System.Address;
169 Newpath : System.Address)
171 pragma Import (C, Symlink, "__gnat_symlink");
174 Oldpath (1 .. Lib_Version'Length) := Lib_Version;
175 Oldpath (Oldpath'Last) := ASCII.NUL;
176 Newpath (1 .. Lib_File'Length) := Lib_File;
177 Newpath (Newpath'Last) := ASCII.NUL;
179 Delete_File (Lib_File, Success);
181 Result := Symlink (Oldpath'Address, Newpath'Address);
185 end Build_Dynamic_Library;
191 procedure Copy_ALI_Files
196 Name : String (1 .. 1_000);
199 From_Dir : constant String := Get_Name_String (From);
200 To_Dir : constant String_Access :=
201 new String'(Get_Name_String (To));
205 Open (Dir, From_Dir);
208 Read (Dir, Name, Last);
213 To_Lower (Name (Last - 3 .. Last)) = ".ali"
215 Add_Arg (From_Dir & Directory_Separator & Name (1 .. Last));
219 if Last_Arg /= 0 then
220 if not Opt.Quiet_Output then
221 Write_Str ("cp -f ");
223 for J in 1 .. Last_Arg loop
224 Write_Str (Args (J).all);
228 Write_Line (To_Dir.all);
232 Force & Args (1 .. Last_Arg) & To_Dir,
236 Fail ("could not copy ALI files to library dir");
241 -------------------------
242 -- Default_DLL_Address --
243 -------------------------
245 function Default_DLL_Address return String is
248 end Default_DLL_Address;
254 function DLL_Ext return String is
263 function Dynamic_Option return String is
272 function Is_Object_Ext (Ext : String) return Boolean is
281 function Is_C_Ext (Ext : String) return Boolean is
290 function Is_Archive_Ext (Ext : String) return Boolean is
292 return Ext = ".a" or else Ext = ".so";
299 function Libgnat return String is
304 -----------------------------
305 -- Libraries_Are_Supported --
306 -----------------------------
308 function Libraries_Are_Supported return Boolean is
311 end Libraries_Are_Supported;
313 --------------------------------
314 -- Linker_Library_Path_Option --
315 --------------------------------
317 function Linker_Library_Path_Option
322 return new String'("-Wl,-rpath," & Directory);
323 end Linker_Library_Path_Option;
329 function Object_Ext return String is
338 function PIC_Option return String is