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 Options_2 : Argument_List;
103 Interfaces : Argument_List;
104 Lib_Filename : String;
106 Symbol_Data : Symbol_Record;
107 Driver_Name : Name_Id := No_Name;
108 Lib_Version : String := "";
109 Auto_Init : Boolean := False)
111 pragma Unreferenced (Foreign);
112 pragma Unreferenced (Afiles);
113 pragma Unreferenced (Interfaces);
114 pragma Unreferenced (Symbol_Data);
116 Lib_File : constant String :=
117 Lib_Dir & Directory_Separator & "lib" &
118 MLib.Fil.Ext_To (Lib_Filename, DLL_Ext);
120 Version_Arg : String_Access;
121 Symbolic_Link_Needed : Boolean := False;
123 Init_Fini : Argument_List_Access := Empty_Argument_List;
125 Common_Options : constant Argument_List :=
126 Options & new String'(PIC_Option
);
127 -- Common set of options to the gcc command performing the link.
128 -- On HPUX, this command eventually resorts to collect2, which may
129 -- generate a C file and compile it on the fly. This compilation shall
130 -- also generate position independant code for the final link to
133 if Opt
.Verbose_Mode
then
134 Write_Str
("building relocatable shared library ");
135 Write_Line
(Lib_File
);
138 -- If specified, add automatic elaboration/finalization
141 Init_Fini
:= Init_Fini_List
;
142 Init_Fini
(2) := new String'("-Wl," & Lib_Filename & "init");
143 Init_Fini (4) := new String'("-Wl," & Lib_Filename
& "final");
146 if Lib_Version
= "" then
148 (Output_File
=> Lib_File
,
150 Options
=> Common_Options
& Init_Fini
.all,
151 Options_2
=> Options_2
,
152 Driver_Name
=> Driver_Name
);
155 Version_Arg
:= new String'("-Wl,+h," & Lib_Version);
157 if Is_Absolute_Path (Lib_Version) then
159 (Output_File => Lib_Version,
161 Options => Common_Options & Version_Arg & Init_Fini.all,
162 Options_2 => Options_2,
163 Driver_Name => Driver_Name);
164 Symbolic_Link_Needed := Lib_Version /= Lib_File;
168 (Output_File => Lib_Dir & Directory_Separator & Lib_Version,
170 Options => Common_Options & Version_Arg & Init_Fini.all,
171 Options_2 => Options_2,
172 Driver_Name => Driver_Name);
173 Symbolic_Link_Needed :=
174 Lib_Dir & Directory_Separator & Lib_Version /= Lib_File;
177 if Symbolic_Link_Needed then
180 Oldpath : String (1 .. Lib_Version'Length + 1);
181 Newpath : String (1 .. Lib_File'Length + 1);
184 pragma Unreferenced (Result);
187 (Oldpath : System.Address;
188 Newpath : System.Address) return Integer;
189 pragma Import (C, Symlink, "__gnat_symlink");
192 Oldpath (1 .. Lib_Version'Length) := Lib_Version;
193 Oldpath (Oldpath'Last) := ASCII.NUL;
194 Newpath (1 .. Lib_File'Length) := Lib_File;
195 Newpath (Newpath'Last) := ASCII.NUL;
197 Delete_File (Lib_File, Success);
199 Result := Symlink (Oldpath'Address, Newpath'Address);
203 end Build_Dynamic_Library;
209 function DLL_Ext return String is
218 function Dynamic_Option return String is
227 function Is_Object_Ext (Ext : String) return Boolean is
236 function Is_C_Ext (Ext : String) return Boolean is
245 function Is_Archive_Ext (Ext : String) return Boolean is
247 return Ext = ".a" or else Ext = ".so";
254 function Libgnat return String is
259 ------------------------
260 -- Library_Exists_For --
261 ------------------------
263 function Library_Exists_For (Project : Project_Id) return Boolean is
265 if not Projects.Table (Project).Library then
266 Prj.Com.Fail ("INTERNAL ERROR: Library_Exists_For called " &
267 "for non library project");
272 Lib_Dir : constant String :=
273 Get_Name_String (Projects.Table (Project).Library_Dir);
274 Lib_Name : constant String :=
275 Get_Name_String (Projects.Table (Project).Library_Name);
278 if Projects.Table (Project).Library_Kind = Static then
279 return Is_Regular_File
280 (Lib_Dir & Directory_Separator & "lib" &
281 Fil.Ext_To (Lib_Name, Archive_Ext));
284 return Is_Regular_File
285 (Lib_Dir & Directory_Separator & "lib" &
286 Fil.Ext_To (Lib_Name, DLL_Ext));
290 end Library_Exists_For;
292 ---------------------------
293 -- Library_File_Name_For --
294 ---------------------------
296 function Library_File_Name_For (Project : Project_Id) return Name_Id is
298 if not Projects.Table (Project).Library then
299 Prj.Com.Fail ("INTERNAL ERROR: Library_File_Name_For called " &
300 "for non library project");
305 Lib_Name : constant String :=
306 Get_Name_String (Projects.Table (Project).Library_Name);
310 Name_Buffer (1 .. Name_Len) := "lib";
312 if Projects.Table (Project).Library_Kind = Static then
313 Add_Str_To_Name_Buffer (Fil.Ext_To (Lib_Name, Archive_Ext));
316 Add_Str_To_Name_Buffer (Fil.Ext_To (Lib_Name, DLL_Ext));
322 end Library_File_Name_For;
328 function Object_Ext return String is
337 function PIC_Option return String is
342 -----------------------------------------------
343 -- Standalone_Library_Auto_Init_Is_Supported --
344 -----------------------------------------------
346 function Standalone_Library_Auto_Init_Is_Supported return Boolean is
349 end Standalone_Library_Auto_Init_Is_Supported;
351 ---------------------------
352 -- Support_For_Libraries --
353 ---------------------------
355 function Support_For_Libraries return Library_Support is
358 end Support_For_Libraries;