1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
10 -- Copyright (C) 2002-2004 Free Software Foundation, Inc. --
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. --
23 -- GNAT was originally developed by the GNAT team at New York University. --
24 -- Extensive contributions were provided by Ada Core Technologies Inc. --
26 ------------------------------------------------------------------------------
28 -- This package provides a set of target dependent routines to build
29 -- static, dynamic and shared libraries.
31 -- This is the True64 version of the body.
35 with Namet; use Namet;
37 with Output; use Output;
41 package body MLib.Tgt is
46 Expect_Unresolved : aliased String := "-Wl,-expect_unresolved,*";
48 No_Arguments : aliased Argument_List := (1 .. 0 => null);
49 Empty_Argument_List : constant Argument_List_Access := No_Arguments'Access;
51 Wl_Init_String : aliased String := "-Wl,-init";
52 Wl_Init : constant String_Access := Wl_Init_String'Access;
53 Wl_Fini_String : aliased String := "-Wl,-fini";
54 Wl_Fini : constant String_Access := Wl_Fini_String'Access;
56 Init_Fini_List : constant Argument_List_Access :=
57 new Argument_List'(1 => Wl_Init,
61 -- Used to put switches for automatic elaboration/finalization
67 function Archive_Builder return String is
72 -----------------------------
73 -- Archive_Builder_Options --
74 -----------------------------
76 function Archive_Builder_Options return String_List_Access is
78 return new String_List'(1 => new String'("cr"));
79 end Archive_Builder_Options;
85 function Archive_Ext return String is
94 function Archive_Indexer return String is
99 -----------------------------
100 -- Archive_Indexer_Options --
101 -----------------------------
103 function Archive_Indexer_Options return String_List_Access is
105 return new String_List (1 .. 0);
106 end Archive_Indexer_Options;
108 ---------------------------
109 -- Build_Dynamic_Library --
110 ---------------------------
112 procedure Build_Dynamic_Library
113 (Ofiles : Argument_List;
114 Foreign : Argument_List;
115 Afiles : Argument_List;
116 Options : Argument_List;
117 Options_2 : Argument_List;
118 Interfaces : Argument_List;
119 Lib_Filename : String;
121 Symbol_Data : Symbol_Record;
122 Driver_Name : Name_Id := No_Name;
123 Lib_Version : String := "";
124 Auto_Init : Boolean := False)
126 pragma Unreferenced (Foreign);
127 pragma Unreferenced (Afiles);
128 pragma Unreferenced (Interfaces);
129 pragma Unreferenced (Symbol_Data);
131 Lib_File : constant String :=
132 Lib_Dir & Directory_Separator & "lib" &
133 Fil.Ext_To (Lib_Filename, DLL_Ext);
135 Version_Arg : String_Access;
136 Symbolic_Link_Needed : Boolean := False;
138 Init_Fini : Argument_List_Access := Empty_Argument_List;
141 if Opt.Verbose_Mode then
142 Write_Str ("building relocatable shared library ");
143 Write_Line (Lib_File);
146 -- If specified, add automatic elaboration/finalization
149 Init_Fini := Init_Fini_List;
150 Init_Fini (2) := new String'("-Wl," & Lib_Filename & "init");
151 Init_Fini (4) := new String'("-Wl," & Lib_Filename & "final");
154 if Lib_Version = "" then
156 (Output_File => Lib_File,
160 Expect_Unresolved'Access &
162 Options_2 => Options_2,
163 Driver_Name => Driver_Name);
166 Version_Arg := new String'("-Wl,-soname," & Lib_Version);
168 if Is_Absolute_Path (Lib_Version) then
170 (Output_File => Lib_Version,
175 Expect_Unresolved'Access &
177 Options_2 => Options_2,
178 Driver_Name => Driver_Name);
179 Symbolic_Link_Needed := Lib_Version /= Lib_File;
183 (Output_File => Lib_Dir & Directory_Separator & Lib_Version,
188 Expect_Unresolved'Access &
190 Options_2 => Options_2,
191 Driver_Name => Driver_Name);
192 Symbolic_Link_Needed :=
193 Lib_Dir & Directory_Separator & Lib_Version /= Lib_File;
196 if Symbolic_Link_Needed then
199 Oldpath : String (1 .. Lib_Version'Length + 1);
200 Newpath : String (1 .. Lib_File'Length + 1);
203 pragma Unreferenced (Result);
206 (Oldpath : System.Address;
207 Newpath : System.Address)
209 pragma Import (C, Symlink, "__gnat_symlink");
212 Oldpath (1 .. Lib_Version'Length) := Lib_Version;
213 Oldpath (Oldpath'Last) := ASCII.NUL;
214 Newpath (1 .. Lib_File'Length) := Lib_File;
215 Newpath (Newpath'Last) := ASCII.NUL;
217 Delete_File (Lib_File, Success);
219 Result := Symlink (Oldpath'Address, Newpath'Address);
223 end Build_Dynamic_Library;
229 function DLL_Ext return String is
238 function Dynamic_Option return String is
247 function Is_Object_Ext (Ext : String) return Boolean is
256 function Is_C_Ext (Ext : String) return Boolean is
265 function Is_Archive_Ext (Ext : String) return Boolean is
267 return Ext = ".a" or else Ext = ".so";
274 function Libgnat return String is
279 ------------------------
280 -- Library_Exists_For --
281 ------------------------
283 function Library_Exists_For (Project : Project_Id) return Boolean is
285 if not Projects.Table (Project).Library then
286 Prj.Com.Fail ("INTERNAL ERROR: Library_Exists_For called " &
287 "for non library project");
292 Lib_Dir : constant String :=
293 Get_Name_String (Projects.Table (Project).Library_Dir);
294 Lib_Name : constant String :=
295 Get_Name_String (Projects.Table (Project).Library_Name);
298 if Projects.Table (Project).Library_Kind = Static then
299 return Is_Regular_File
300 (Lib_Dir & Directory_Separator & "lib" &
301 Fil.Ext_To (Lib_Name, Archive_Ext));
304 return Is_Regular_File
305 (Lib_Dir & Directory_Separator & "lib" &
306 Fil.Ext_To (Lib_Name, DLL_Ext));
310 end Library_Exists_For;
312 ---------------------------
313 -- Library_File_Name_For --
314 ---------------------------
316 function Library_File_Name_For (Project : Project_Id) return Name_Id is
318 if not Projects.Table (Project).Library then
319 Prj.Com.Fail ("INTERNAL ERROR: Library_File_Name_For called " &
320 "for non library project");
325 Lib_Name : constant String :=
326 Get_Name_String (Projects.Table (Project).Library_Name);
330 Name_Buffer (1 .. Name_Len) := "lib";
332 if Projects.Table (Project).Library_Kind = Static then
333 Add_Str_To_Name_Buffer (Fil.Ext_To (Lib_Name, Archive_Ext));
336 Add_Str_To_Name_Buffer (Fil.Ext_To (Lib_Name, DLL_Ext));
342 end Library_File_Name_For;
348 function Object_Ext return String is
357 function PIC_Option return String is
362 -----------------------------------------------
363 -- Standalone_Library_Auto_Init_Is_Supported --
364 -----------------------------------------------
366 function Standalone_Library_Auto_Init_Is_Supported return Boolean is
369 end Standalone_Library_Auto_Init_Is_Supported;
371 ---------------------------
372 -- Support_For_Libraries --
373 ---------------------------
375 function Support_For_Libraries return Library_Support is
378 end Support_For_Libraries;