1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
6 -- (GNU/Linux Version) --
10 -- Copyright (C) 2001-2005, 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, 51 Franklin Street, Fifth Floor, --
21 -- Boston, MA 02110-1301, 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 GNU/Linux version of the body.
35 with Namet; use Namet;
37 with Output; use Output;
41 package body MLib.Tgt is
50 function Archive_Builder return String is
55 -----------------------------
56 -- Archive_Builder_Options --
57 -----------------------------
59 function Archive_Builder_Options return String_List_Access is
61 return new String_List'(1 => new String'("cr"));
62 end Archive_Builder_Options;
68 function Archive_Ext return String is
77 function Archive_Indexer return String is
82 -----------------------------
83 -- Archive_Indexer_Options --
84 -----------------------------
86 function Archive_Indexer_Options return String_List_Access is
88 return new String_List (1 .. 0);
89 end Archive_Indexer_Options;
91 ---------------------------
92 -- Build_Dynamic_Library --
93 ---------------------------
95 procedure Build_Dynamic_Library
96 (Ofiles : Argument_List;
97 Foreign : Argument_List;
98 Afiles : Argument_List;
99 Options : Argument_List;
100 Options_2 : Argument_List;
101 Interfaces : Argument_List;
102 Lib_Filename : String;
104 Symbol_Data : Symbol_Record;
105 Driver_Name : Name_Id := No_Name;
106 Lib_Version : String := "";
107 Auto_Init : Boolean := False)
109 pragma Unreferenced (Foreign);
110 pragma Unreferenced (Afiles);
111 pragma Unreferenced (Interfaces);
112 pragma Unreferenced (Symbol_Data);
113 pragma Unreferenced (Auto_Init);
114 -- Initialization is done through the contructor mechanism
116 Lib_File : constant String :=
117 Lib_Dir & Directory_Separator & "lib" &
118 Fil.Ext_To (Lib_Filename, DLL_Ext);
120 Version_Arg : String_Access;
121 Symbolic_Link_Needed : Boolean := False;
124 if Opt.Verbose_Mode then
125 Write_Str ("building relocatable shared library ");
126 Write_Line (Lib_File);
129 if Lib_Version = "" then
131 (Output_File => Lib_File,
134 Driver_Name => Driver_Name,
135 Options_2 => Options_2);
138 Version_Arg := new String'("-Wl,-soname," & Lib_Version);
140 if Is_Absolute_Path (Lib_Version) then
142 (Output_File => Lib_Version,
144 Options => Options & Version_Arg,
145 Driver_Name => Driver_Name,
146 Options_2 => Options_2);
147 Symbolic_Link_Needed := Lib_Version /= Lib_File;
151 (Output_File => Lib_Dir & Directory_Separator & Lib_Version,
153 Options => Options & Version_Arg,
154 Driver_Name => Driver_Name,
155 Options_2 => Options_2);
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);
167 pragma Unreferenced (Result);
170 (Oldpath : System.Address;
171 Newpath : System.Address) return Integer;
172 pragma Import (C, Symlink, "__gnat_symlink");
175 Oldpath (1 .. Lib_Version'Length) := Lib_Version;
176 Oldpath (Oldpath'Last) := ASCII.NUL;
177 Newpath (1 .. Lib_File'Length) := Lib_File;
178 Newpath (Newpath'Last) := ASCII.NUL;
180 Delete_File (Lib_File, Success);
182 Result := Symlink (Oldpath'Address, Newpath'Address);
186 end Build_Dynamic_Library;
192 function DLL_Ext return String is
201 function Dynamic_Option return String is
210 function Is_Object_Ext (Ext : String) return Boolean is
219 function Is_C_Ext (Ext : String) return Boolean is
228 function Is_Archive_Ext (Ext : String) return Boolean is
230 return Ext = ".a" or else Ext = ".so";
237 function Libgnat return String is
242 ------------------------
243 -- Library_Exists_For --
244 ------------------------
246 function Library_Exists_For
247 (Project : Project_Id; In_Tree : Project_Tree_Ref) return Boolean
250 if not In_Tree.Projects.Table (Project).Library then
251 Prj.Com.Fail ("INTERNAL ERROR: Library_Exists_For called " &
252 "for non library project");
257 Lib_Dir : constant String :=
259 (In_Tree.Projects.Table (Project).Library_Dir);
260 Lib_Name : constant String :=
262 (In_Tree.Projects.Table (Project).Library_Name);
265 if In_Tree.Projects.Table (Project).Library_Kind =
268 return Is_Regular_File
269 (Lib_Dir & Directory_Separator & "lib" &
270 Fil.Ext_To (Lib_Name, Archive_Ext));
273 return Is_Regular_File
274 (Lib_Dir & Directory_Separator & "lib" &
275 Fil.Ext_To (Lib_Name, DLL_Ext));
279 end Library_Exists_For;
281 ---------------------------
282 -- Library_File_Name_For --
283 ---------------------------
285 function Library_File_Name_For
286 (Project : Project_Id;
287 In_Tree : Project_Tree_Ref) return Name_Id
290 if not In_Tree.Projects.Table (Project).Library then
291 Prj.Com.Fail ("INTERNAL ERROR: Library_File_Name_For called " &
292 "for non library project");
297 Lib_Name : constant String :=
299 (In_Tree.Projects.Table (Project).Library_Name);
303 Name_Buffer (1 .. Name_Len) := "lib";
305 if In_Tree.Projects.Table (Project).Library_Kind =
308 Add_Str_To_Name_Buffer (Fil.Ext_To (Lib_Name, Archive_Ext));
311 Add_Str_To_Name_Buffer (Fil.Ext_To (Lib_Name, DLL_Ext));
317 end Library_File_Name_For;
323 function Object_Ext return String is
332 function PIC_Option return String is
337 -----------------------------------------------
338 -- Standalone_Library_Auto_Init_Is_Supported --
339 -----------------------------------------------
341 function Standalone_Library_Auto_Init_Is_Supported return Boolean is
344 end Standalone_Library_Auto_Init_Is_Supported;
346 ---------------------------
347 -- Support_For_Libraries --
348 ---------------------------
350 function Support_For_Libraries return Library_Support is
353 end Support_For_Libraries;