1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
10 -- Copyright (C) 2003-2004, Ada Core Technologies, 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 -- libraries (static only on HP-UX).
31 -- This is the HP-UX version of the body.
35 with Namet; use Namet;
37 with Output; use Output;
41 package body MLib.Tgt is
43 No_Arguments : aliased Argument_List := (1 .. 0 => null);
44 Empty_Argument_List : constant Argument_List_Access := No_Arguments'Access;
46 Wl_Init_String : aliased String := "-Wl,+init";
47 Wl_Init : constant String_Access := Wl_Init_String'Access;
48 Wl_Fini_String : aliased String := "-Wl,+fini";
49 Wl_Fini : constant String_Access := Wl_Fini_String'Access;
51 Init_Fini_List : constant Argument_List_Access :=
52 new Argument_List'(1 => Wl_Init,
56 -- Used to put switches for automatic elaboration/finalization
61 function Archive_Builder return String is
66 -----------------------------
67 -- Archive_Builder_Options --
68 -----------------------------
70 function Archive_Builder_Options return String_List_Access is
72 return new String_List'(1 => new String'("cr"));
73 end Archive_Builder_Options;
79 function Archive_Ext return String is
88 function Archive_Indexer return String is
93 ---------------------------
94 -- Build_Dynamic_Library --
95 ---------------------------
97 procedure Build_Dynamic_Library
98 (Ofiles : Argument_List;
99 Foreign : Argument_List;
100 Afiles : Argument_List;
101 Options : Argument_List;
102 Interfaces : Argument_List;
103 Lib_Filename : String;
105 Symbol_Data : Symbol_Record;
106 Driver_Name : Name_Id := No_Name;
107 Lib_Version : String := "";
108 Auto_Init : Boolean := False)
110 pragma Unreferenced (Foreign);
111 pragma Unreferenced (Afiles);
112 pragma Unreferenced (Interfaces);
113 pragma Unreferenced (Symbol_Data);
115 Lib_File : constant String :=
116 Lib_Dir & Directory_Separator & "lib" &
117 MLib.Fil.Ext_To (Lib_Filename, DLL_Ext);
119 Version_Arg : String_Access;
120 Symbolic_Link_Needed : Boolean := False;
122 Init_Fini : Argument_List_Access := Empty_Argument_List;
124 Common_Options : constant Argument_List :=
125 Options & new String'(PIC_Option);
126 -- Common set of options to the gcc command performing the link.
127 -- On HPUX, this command eventually resorts to collect2, which may
128 -- generate a C file and compile it on the fly. This compilation shall
129 -- also generate position independant code for the final link to
132 if Opt.Verbose_Mode then
133 Write_Str ("building relocatable shared library ");
134 Write_Line (Lib_File);
137 -- 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,
148 Options => Common_Options & Init_Fini.all,
149 Driver_Name => Driver_Name);
152 Version_Arg := new String'("-Wl,+h," & Lib_Version);
154 if Is_Absolute_Path (Lib_Version) then
156 (Output_File => Lib_Version,
158 Options => Common_Options & Version_Arg & Init_Fini.all,
159 Driver_Name => Driver_Name);
160 Symbolic_Link_Needed := Lib_Version /= Lib_File;
164 (Output_File => Lib_Dir & Directory_Separator & Lib_Version,
166 Options => Common_Options & Version_Arg & Init_Fini.all,
167 Driver_Name => Driver_Name);
168 Symbolic_Link_Needed :=
169 Lib_Dir & Directory_Separator & Lib_Version /= Lib_File;
172 if Symbolic_Link_Needed then
175 Oldpath : String (1 .. Lib_Version'Length + 1);
176 Newpath : String (1 .. Lib_File'Length + 1);
179 pragma Unreferenced (Result);
182 (Oldpath : System.Address;
183 Newpath : System.Address) return Integer;
184 pragma Import (C, Symlink, "__gnat_symlink");
187 Oldpath (1 .. Lib_Version'Length) := Lib_Version;
188 Oldpath (Oldpath'Last) := ASCII.NUL;
189 Newpath (1 .. Lib_File'Length) := Lib_File;
190 Newpath (Newpath'Last) := ASCII.NUL;
192 Delete_File (Lib_File, Success);
194 Result := Symlink (Oldpath'Address, Newpath'Address);
198 end Build_Dynamic_Library;
204 function DLL_Ext return String is
213 function Dynamic_Option return String is
222 function Is_Object_Ext (Ext : String) return Boolean is
231 function Is_C_Ext (Ext : String) return Boolean is
240 function Is_Archive_Ext (Ext : String) return Boolean is
242 return Ext = ".a" or else Ext = ".so";
249 function Libgnat return String is
254 ------------------------
255 -- Library_Exists_For --
256 ------------------------
258 function Library_Exists_For (Project : Project_Id) return Boolean is
260 if not Projects.Table (Project).Library then
261 Prj.Com.Fail ("INTERNAL ERROR: Library_Exists_For called " &
262 "for non library project");
267 Lib_Dir : constant String :=
268 Get_Name_String (Projects.Table (Project).Library_Dir);
269 Lib_Name : constant String :=
270 Get_Name_String (Projects.Table (Project).Library_Name);
273 if Projects.Table (Project).Library_Kind = Static then
274 return Is_Regular_File
275 (Lib_Dir & Directory_Separator & "lib" &
276 Fil.Ext_To (Lib_Name, Archive_Ext));
279 return Is_Regular_File
280 (Lib_Dir & Directory_Separator & "lib" &
281 Fil.Ext_To (Lib_Name, DLL_Ext));
285 end Library_Exists_For;
287 ---------------------------
288 -- Library_File_Name_For --
289 ---------------------------
291 function Library_File_Name_For (Project : Project_Id) return Name_Id is
293 if not Projects.Table (Project).Library then
294 Prj.Com.Fail ("INTERNAL ERROR: Library_File_Name_For called " &
295 "for non library project");
300 Lib_Name : constant String :=
301 Get_Name_String (Projects.Table (Project).Library_Name);
305 Name_Buffer (1 .. Name_Len) := "lib";
307 if Projects.Table (Project).Library_Kind = Static then
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;