1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
5 -- M L I B . T G T . S P E C I F I C --
10 -- Copyright (C) 2003-2007, AdaCore --
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 is the HP-UX version of the body
33 with Output; use Output;
36 package body MLib.Tgt.Specific is
38 -- Non default subprograms
40 procedure Build_Dynamic_Library
41 (Ofiles : Argument_List;
42 Foreign : Argument_List;
43 Afiles : Argument_List;
44 Options : Argument_List;
45 Options_2 : Argument_List;
46 Interfaces : Argument_List;
47 Lib_Filename : String;
49 Symbol_Data : Symbol_Record;
50 Driver_Name : Name_Id := No_Name;
51 Lib_Version : String := "";
52 Auto_Init : Boolean := False);
54 function DLL_Ext return String;
56 function Is_Archive_Ext (Ext : String) return Boolean;
58 ---------------------------
59 -- Build_Dynamic_Library --
60 ---------------------------
62 procedure Build_Dynamic_Library
63 (Ofiles : Argument_List;
64 Foreign : Argument_List;
65 Afiles : Argument_List;
66 Options : Argument_List;
67 Options_2 : Argument_List;
68 Interfaces : Argument_List;
69 Lib_Filename : String;
71 Symbol_Data : Symbol_Record;
72 Driver_Name : Name_Id := No_Name;
73 Lib_Version : String := "";
74 Auto_Init : Boolean := False)
76 pragma Unreferenced (Foreign);
77 pragma Unreferenced (Afiles);
78 pragma Unreferenced (Interfaces);
79 pragma Unreferenced (Symbol_Data);
80 pragma Unreferenced (Auto_Init);
82 Lib_File : constant String :=
83 Lib_Dir & Directory_Separator & "lib" &
84 MLib.Fil.Append_To (Lib_Filename, DLL_Ext);
86 Version_Arg : String_Access;
87 Symbolic_Link_Needed : Boolean := False;
89 Common_Options : constant Argument_List :=
90 Options & new String'(PIC_Option);
91 -- Common set of options to the gcc command performing the link.
92 -- On HPUX, this command eventually resorts to collect2, which may
93 -- generate a C file and compile it on the fly. This compilation shall
94 -- also generate position independant code for the final link to
97 if Opt.Verbose_Mode then
98 Write_Str ("building relocatable shared library ");
99 Write_Line (Lib_File);
102 if Lib_Version = "" then
104 (Output_File => Lib_File,
106 Options => Common_Options,
107 Options_2 => Options_2,
108 Driver_Name => Driver_Name);
111 Version_Arg := new String'("-Wl,+h," & Lib_Version);
113 if Is_Absolute_Path (Lib_Version) then
115 (Output_File => Lib_Version,
117 Options => Common_Options & Version_Arg,
118 Options_2 => Options_2,
119 Driver_Name => Driver_Name);
120 Symbolic_Link_Needed := Lib_Version /= Lib_File;
124 (Output_File => Lib_Dir & Directory_Separator & Lib_Version,
126 Options => Common_Options & Version_Arg,
127 Options_2 => Options_2,
128 Driver_Name => Driver_Name);
129 Symbolic_Link_Needed :=
130 Lib_Dir & Directory_Separator & Lib_Version /= Lib_File;
133 if Symbolic_Link_Needed then
136 Oldpath : String (1 .. Lib_Version'Length + 1);
137 Newpath : String (1 .. Lib_File'Length + 1);
140 pragma Unreferenced (Result);
143 (Oldpath : System.Address;
144 Newpath : System.Address) return Integer;
145 pragma Import (C, Symlink, "__gnat_symlink");
148 Oldpath (1 .. Lib_Version'Length) := Lib_Version;
149 Oldpath (Oldpath'Last) := ASCII.NUL;
150 Newpath (1 .. Lib_File'Length) := Lib_File;
151 Newpath (Newpath'Last) := ASCII.NUL;
153 Delete_File (Lib_File, Success);
155 Result := Symlink (Oldpath'Address, Newpath'Address);
159 end Build_Dynamic_Library;
165 function DLL_Ext return String is
174 function Is_Archive_Ext (Ext : String) return Boolean is
176 return Ext = ".a" or else Ext = ".so";
180 Build_Dynamic_Library_Ptr := Build_Dynamic_Library'Access;
181 DLL_Ext_Ptr := DLL_Ext'Access;
182 Is_Archive_Ext_Ptr := Is_Archive_Ext'Access;
183 end MLib.Tgt.Specific;