1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
6 -- (GNU/Linux Version) --
11 -- Copyright (C) 2001, Ada Core Technologies, Inc. --
13 -- GNAT is free software; you can redistribute it and/or modify it under --
14 -- terms of the GNU General Public License as published by the Free Soft- --
15 -- ware Foundation; either version 2, or (at your option) any later ver- --
16 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
17 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
18 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
19 -- for more details. You should have received a copy of the GNU General --
20 -- Public License distributed with GNAT; see file COPYING. If not, write --
21 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
22 -- MA 02111-1307, USA. --
24 -- GNAT was originally developed by the GNAT team at New York University. --
25 -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
27 ------------------------------------------------------------------------------
29 -- This package provides a set of target dependent routines to build
30 -- static, dynamic and shared libraries.
32 -- This is the GNU/Linux version of the body.
34 with Ada
.Characters
.Handling
; use Ada
.Characters
.Handling
;
35 with GNAT
.Directory_Operations
; use GNAT
.Directory_Operations
;
38 with Namet
; use Namet
;
40 with Osint
; use Osint
;
41 with Output
; use Output
;
44 package body MLib
.Tgt
is
49 -- ??? serious lack of comments below, all these declarations need to
50 -- be commented, none are:
52 package Files
renames MLib
.Fil
;
53 package Tools
renames MLib
.Utl
;
55 Args
: Argument_List_Access
:= new Argument_List
(1 .. 20);
56 Last_Arg
: Natural := 0;
58 Cp
: constant String_Access
:= Locate_Exec_On_Path
("cp");
59 Force
: constant String_Access
:= new String'("-f");
61 procedure Add_Arg (Arg : String);
67 procedure Add_Arg (Arg : String) is
69 if Last_Arg = Args'Last then
71 New_Args : constant Argument_List_Access :=
72 new Argument_List (1 .. Args'Last * 2);
75 New_Args (Args'Range) := Args.all;
80 Last_Arg := Last_Arg + 1;
81 Args (Last_Arg) := new String'(Arg
);
88 function Archive_Ext
return String is
97 function Base_Option
return String is
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 Lib_Filename
: String;
113 Lib_Address
: String := "";
114 Lib_Version
: String := "";
115 Relocatable
: Boolean := False)
117 Lib_File
: constant String :=
118 Lib_Dir
& Directory_Separator
& "lib" &
119 Files
.Ext_To
(Lib_Filename
, DLL_Ext
);
121 use type Argument_List
;
122 use type String_Access
;
124 Version_Arg
: String_Access
;
126 Symbolic_Link_Needed
: Boolean := False;
129 if Opt
.Verbose_Mode
then
130 Write_Str
("building relocatable shared library ");
131 Write_Line
(Lib_File
);
134 if Lib_Version
= "" then
136 (Output_File
=> Lib_File
,
141 Version_Arg
:= new String'("-Wl,-soname," & Lib_Version);
143 if Is_Absolute_Path (Lib_Version) then
145 (Output_File => Lib_Version,
147 Options => Options & Version_Arg);
148 Symbolic_Link_Needed := Lib_Version /= Lib_File;
152 (Output_File => Lib_Dir & Directory_Separator & Lib_Version,
154 Options => Options & Version_Arg);
155 Symbolic_Link_Needed :=
156 Lib_Dir & Directory_Separator & Lib_Version /= Lib_File;
159 if Symbolic_Link_Needed then
162 Oldpath : String (1 .. Lib_Version'Length + 1);
163 Newpath : String (1 .. Lib_File'Length + 1);
167 (Oldpath : System.Address;
168 Newpath : System.Address)
170 pragma Import (C, Symlink, "__gnat_symlink");
173 Oldpath (1 .. Lib_Version'Length) := Lib_Version;
174 Oldpath (Oldpath'Last) := ASCII.NUL;
175 Newpath (1 .. Lib_File'Length) := Lib_File;
176 Newpath (Newpath'Last) := ASCII.NUL;
178 Delete_File (Lib_File, Success);
180 Result := Symlink (Oldpath'Address, Newpath'Address);
184 end Build_Dynamic_Library;
190 procedure Copy_ALI_Files
195 Name : String (1 .. 1_000);
198 From_Dir : constant String := Get_Name_String (From);
199 To_Dir : constant String_Access :=
200 new String'(Get_Name_String
(To
));
204 Open
(Dir
, From_Dir
);
207 Read
(Dir
, Name
, Last
);
212 To_Lower
(Name
(Last
- 3 .. Last
)) = ".ali"
214 Add_Arg
(From_Dir
& Directory_Separator
& Name
(1 .. Last
));
218 if Last_Arg
/= 0 then
219 if not Opt
.Quiet_Output
then
220 Write_Str
("cp -f ");
222 for J
in 1 .. Last_Arg
loop
223 Write_Str
(Args
(J
).all);
227 Write_Line
(To_Dir
.all);
231 Force
& Args
(1 .. Last_Arg
) & To_Dir
,
235 Fail
("could not copy ALI files to library dir");
240 -------------------------
241 -- Default_DLL_Address --
242 -------------------------
244 function Default_DLL_Address
return String is
247 end Default_DLL_Address
;
253 function DLL_Ext
return String is
262 function Dynamic_Option
return String is
271 function Is_Object_Ext
(Ext
: String) return Boolean is
280 function Is_C_Ext
(Ext
: String) return Boolean is
289 function Is_Archive_Ext
(Ext
: String) return Boolean is
291 return Ext
= ".a" or else Ext
= ".so";
298 function Libgnat
return String is
303 -----------------------------
304 -- Libraries_Are_Supported --
305 -----------------------------
307 function Libraries_Are_Supported
return Boolean is
310 end Libraries_Are_Supported
;
312 --------------------------------
313 -- Linker_Library_Path_Option --
314 --------------------------------
316 function Linker_Library_Path_Option
321 return new String'("-Wl,-rpath," & Directory);
322 end Linker_Library_Path_Option;
328 function Object_Ext return String is
337 function PIC_Option return String is