1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
10 -- Copyright (C) 2003-2005, 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 -- Archive_Indexer_Options --
95 -----------------------------
97 function Archive_Indexer_Options return String_List_Access is
99 return new String_List (1 .. 0);
100 end Archive_Indexer_Options;
102 ---------------------------
103 -- Build_Dynamic_Library --
104 ---------------------------
106 procedure Build_Dynamic_Library
107 (Ofiles : Argument_List;
108 Foreign : Argument_List;
109 Afiles : Argument_List;
110 Options : Argument_List;
111 Options_2 : Argument_List;
112 Interfaces : Argument_List;
113 Lib_Filename : String;
115 Symbol_Data : Symbol_Record;
116 Driver_Name : Name_Id := No_Name;
117 Lib_Version : String := "";
118 Auto_Init : Boolean := False)
120 pragma Unreferenced (Foreign);
121 pragma Unreferenced (Afiles);
122 pragma Unreferenced (Interfaces);
123 pragma Unreferenced (Symbol_Data);
125 Lib_File : constant String :=
126 Lib_Dir & Directory_Separator & "lib" &
127 MLib.Fil.Ext_To (Lib_Filename, DLL_Ext);
129 Version_Arg : String_Access;
130 Symbolic_Link_Needed : Boolean := False;
132 Init_Fini : Argument_List_Access := Empty_Argument_List;
134 Common_Options : constant Argument_List :=
135 Options & new String'(PIC_Option);
136 -- Common set of options to the gcc command performing the link.
137 -- On HPUX, this command eventually resorts to collect2, which may
138 -- generate a C file and compile it on the fly. This compilation shall
139 -- also generate position independant code for the final link to
142 if Opt.Verbose_Mode then
143 Write_Str ("building relocatable shared library ");
144 Write_Line (Lib_File);
147 -- If specified, add automatic elaboration/finalization
150 Init_Fini := Init_Fini_List;
151 Init_Fini (2) := new String'("-Wl," & Lib_Filename & "init");
152 Init_Fini (4) := new String'("-Wl," & Lib_Filename & "final");
155 if Lib_Version = "" then
157 (Output_File => Lib_File,
159 Options => Common_Options & Init_Fini.all,
160 Options_2 => Options_2,
161 Driver_Name => Driver_Name);
164 Version_Arg := new String'("-Wl,+h," & Lib_Version);
166 if Is_Absolute_Path (Lib_Version) then
168 (Output_File => 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 := Lib_Version /= Lib_File;
177 (Output_File => Lib_Dir & Directory_Separator & Lib_Version,
179 Options => Common_Options & Version_Arg & Init_Fini.all,
180 Options_2 => Options_2,
181 Driver_Name => Driver_Name);
182 Symbolic_Link_Needed :=
183 Lib_Dir & Directory_Separator & Lib_Version /= Lib_File;
186 if Symbolic_Link_Needed then
189 Oldpath : String (1 .. Lib_Version'Length + 1);
190 Newpath : String (1 .. Lib_File'Length + 1);
193 pragma Unreferenced (Result);
196 (Oldpath : System.Address;
197 Newpath : System.Address) return Integer;
198 pragma Import (C, Symlink, "__gnat_symlink");
201 Oldpath (1 .. Lib_Version'Length) := Lib_Version;
202 Oldpath (Oldpath'Last) := ASCII.NUL;
203 Newpath (1 .. Lib_File'Length) := Lib_File;
204 Newpath (Newpath'Last) := ASCII.NUL;
206 Delete_File (Lib_File, Success);
208 Result := Symlink (Oldpath'Address, Newpath'Address);
212 end Build_Dynamic_Library;
218 function DLL_Ext return String is
227 function Dynamic_Option return String is
236 function Is_Object_Ext (Ext : String) return Boolean is
245 function Is_C_Ext (Ext : String) return Boolean is
254 function Is_Archive_Ext (Ext : String) return Boolean is
256 return Ext = ".a" or else Ext = ".so";
263 function Libgnat return String is
268 ------------------------
269 -- Library_Exists_For --
270 ------------------------
272 function Library_Exists_For
273 (Project : Project_Id; In_Tree : Project_Tree_Ref) return Boolean
276 if not In_Tree.Projects.Table (Project).Library then
277 Prj.Com.Fail ("INTERNAL ERROR: Library_Exists_For called " &
278 "for non library project");
283 Lib_Dir : constant String :=
285 (In_Tree.Projects.Table (Project).Library_Dir);
286 Lib_Name : constant String :=
288 (In_Tree.Projects.Table (Project).Library_Name);
291 if In_Tree.Projects.Table (Project).Library_Kind =
294 return Is_Regular_File
295 (Lib_Dir & Directory_Separator & "lib" &
296 Fil.Ext_To (Lib_Name, Archive_Ext));
299 return Is_Regular_File
300 (Lib_Dir & Directory_Separator & "lib" &
301 Fil.Ext_To (Lib_Name, DLL_Ext));
305 end Library_Exists_For;
307 ---------------------------
308 -- Library_File_Name_For --
309 ---------------------------
311 function Library_File_Name_For
312 (Project : Project_Id;
313 In_Tree : Project_Tree_Ref) return Name_Id
316 if not In_Tree.Projects.Table (Project).Library then
317 Prj.Com.Fail ("INTERNAL ERROR: Library_File_Name_For called " &
318 "for non library project");
323 Lib_Name : constant String :=
325 (In_Tree.Projects.Table (Project).Library_Name);
329 Name_Buffer (1 .. Name_Len) := "lib";
331 if In_Tree.Projects.Table (Project).Library_Kind =
334 Add_Str_To_Name_Buffer (Fil.Ext_To (Lib_Name, Archive_Ext));
337 Add_Str_To_Name_Buffer (Fil.Ext_To (Lib_Name, DLL_Ext));
343 end Library_File_Name_For;
349 function Object_Ext return String is
358 function PIC_Option return String is
363 -----------------------------------------------
364 -- Standalone_Library_Auto_Init_Is_Supported --
365 -----------------------------------------------
367 function Standalone_Library_Auto_Init_Is_Supported return Boolean is
370 end Standalone_Library_Auto_Init_Is_Supported;
372 ---------------------------
373 -- Support_For_Libraries --
374 ---------------------------
376 function Support_For_Libraries return Library_Support is
379 end Support_For_Libraries;