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 -- Build_Dynamic_Library --
101 ---------------------------
103 procedure Build_Dynamic_Library
104 (Ofiles : Argument_List;
105 Foreign : Argument_List;
106 Afiles : Argument_List;
107 Options : Argument_List;
108 Interfaces : Argument_List;
109 Lib_Filename : String;
111 Symbol_Data : Symbol_Record;
112 Driver_Name : Name_Id := No_Name;
113 Lib_Version : String := "";
114 Auto_Init : Boolean := False)
116 pragma Unreferenced (Foreign);
117 pragma Unreferenced (Afiles);
118 pragma Unreferenced (Interfaces);
119 pragma Unreferenced (Symbol_Data);
121 Lib_File : constant String :=
122 Lib_Dir & Directory_Separator & "lib" &
123 Fil.Ext_To (Lib_Filename, DLL_Ext);
125 Version_Arg : String_Access;
126 Symbolic_Link_Needed : Boolean := False;
128 Init_Fini : Argument_List_Access := Empty_Argument_List;
131 if Opt.Verbose_Mode then
132 Write_Str ("building relocatable shared library ");
133 Write_Line (Lib_File);
136 -- If specified, add automatic elaboration/finalization
139 Init_Fini := Init_Fini_List;
140 Init_Fini (2) := new String'("-Wl," & Lib_Filename & "init");
141 Init_Fini (4) := new String'("-Wl," & Lib_Filename & "final");
144 if Lib_Version = "" then
146 (Output_File => Lib_File,
150 Expect_Unresolved'Access &
152 Driver_Name => Driver_Name);
155 Version_Arg := new String'("-Wl,-soname," & Lib_Version);
157 if Is_Absolute_Path (Lib_Version) then
159 (Output_File => Lib_Version,
164 Expect_Unresolved'Access &
166 Driver_Name => Driver_Name);
167 Symbolic_Link_Needed := Lib_Version /= Lib_File;
171 (Output_File => Lib_Dir & Directory_Separator & Lib_Version,
176 Expect_Unresolved'Access &
178 Driver_Name => Driver_Name);
179 Symbolic_Link_Needed :=
180 Lib_Dir & Directory_Separator & Lib_Version /= Lib_File;
183 if Symbolic_Link_Needed then
186 Oldpath : String (1 .. Lib_Version'Length + 1);
187 Newpath : String (1 .. Lib_File'Length + 1);
190 pragma Unreferenced (Result);
193 (Oldpath : System.Address;
194 Newpath : System.Address)
196 pragma Import (C, Symlink, "__gnat_symlink");
199 Oldpath (1 .. Lib_Version'Length) := Lib_Version;
200 Oldpath (Oldpath'Last) := ASCII.NUL;
201 Newpath (1 .. Lib_File'Length) := Lib_File;
202 Newpath (Newpath'Last) := ASCII.NUL;
204 Delete_File (Lib_File, Success);
206 Result := Symlink (Oldpath'Address, Newpath'Address);
210 end Build_Dynamic_Library;
216 function DLL_Ext return String is
225 function Dynamic_Option return String is
234 function Is_Object_Ext (Ext : String) return Boolean is
243 function Is_C_Ext (Ext : String) return Boolean is
252 function Is_Archive_Ext (Ext : String) return Boolean is
254 return Ext = ".a" or else Ext = ".so";
261 function Libgnat return String is
266 ------------------------
267 -- Library_Exists_For --
268 ------------------------
270 function Library_Exists_For (Project : Project_Id) return Boolean is
272 if not Projects.Table (Project).Library then
273 Prj.Com.Fail ("INTERNAL ERROR: Library_Exists_For called " &
274 "for non library project");
279 Lib_Dir : constant String :=
280 Get_Name_String (Projects.Table (Project).Library_Dir);
281 Lib_Name : constant String :=
282 Get_Name_String (Projects.Table (Project).Library_Name);
285 if Projects.Table (Project).Library_Kind = Static then
286 return Is_Regular_File
287 (Lib_Dir & Directory_Separator & "lib" &
288 Fil.Ext_To (Lib_Name, Archive_Ext));
291 return Is_Regular_File
292 (Lib_Dir & Directory_Separator & "lib" &
293 Fil.Ext_To (Lib_Name, DLL_Ext));
297 end Library_Exists_For;
299 ---------------------------
300 -- Library_File_Name_For --
301 ---------------------------
303 function Library_File_Name_For (Project : Project_Id) return Name_Id is
305 if not Projects.Table (Project).Library then
306 Prj.Com.Fail ("INTERNAL ERROR: Library_File_Name_For called " &
307 "for non library project");
312 Lib_Name : constant String :=
313 Get_Name_String (Projects.Table (Project).Library_Name);
317 Name_Buffer (1 .. Name_Len) := "lib";
319 if Projects.Table (Project).Library_Kind = Static then
320 Add_Str_To_Name_Buffer (Fil.Ext_To (Lib_Name, Archive_Ext));
323 Add_Str_To_Name_Buffer (Fil.Ext_To (Lib_Name, DLL_Ext));
329 end Library_File_Name_For;
335 function Object_Ext return String is
344 function PIC_Option return String is
349 -----------------------------------------------
350 -- Standalone_Library_Auto_Init_Is_Supported --
351 -----------------------------------------------
353 function Standalone_Library_Auto_Init_Is_Supported return Boolean is
356 end Standalone_Library_Auto_Init_Is_Supported;
358 ---------------------------
359 -- Support_For_Libraries --
360 ---------------------------
362 function Support_For_Libraries return Library_Support is
365 end Support_For_Libraries;