File : mlib-tgt-specific-hpux.adb
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT COMPILER COMPONENTS --
4 -- --
5 -- M L I B . T G T . S P E C I F I C --
6 -- (HP-UX Version) --
7 -- --
8 -- B o d y --
9 -- --
10 -- Copyright (C) 2003-2014, AdaCore --
11 -- --
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 3, 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 COPYING3. If not, go to --
20 -- http://www.gnu.org/licenses for a complete copy of the license. --
21 -- --
22 -- GNAT was originally developed by the GNAT team at New York University. --
23 -- Extensive contributions were provided by Ada Core Technologies Inc. --
24 -- --
25 ------------------------------------------------------------------------------
26
27 -- This is the HP-UX version of the body
28
29 with MLib.Fil;
30 with MLib.Utl;
31 with Opt;
32 with Output; use Output;
33
34 package body MLib.Tgt.Specific is
35
36 -- Non default subprograms
37
38 procedure Build_Dynamic_Library
39 (Ofiles : Argument_List;
40 Options : Argument_List;
41 Interfaces : Argument_List;
42 Lib_Filename : String;
43 Lib_Dir : String;
44 Symbol_Data : Symbol_Record;
45 Driver_Name : Name_Id := No_Name;
46 Lib_Version : String := "";
47 Auto_Init : Boolean := False);
48
49 function DLL_Ext return String;
50
51 function Is_Archive_Ext (Ext : String) return Boolean;
52
53 ---------------------------
54 -- Build_Dynamic_Library --
55 ---------------------------
56
57 procedure Build_Dynamic_Library
58 (Ofiles : Argument_List;
59 Options : Argument_List;
60 Interfaces : Argument_List;
61 Lib_Filename : String;
62 Lib_Dir : String;
63 Symbol_Data : Symbol_Record;
64 Driver_Name : Name_Id := No_Name;
65 Lib_Version : String := "";
66 Auto_Init : Boolean := False)
67 is
68 pragma Unreferenced (Interfaces);
69 pragma Unreferenced (Symbol_Data);
70 pragma Unreferenced (Auto_Init);
71
72 Lib_File : constant String :=
73 "lib" & Fil.Append_To (Lib_Filename, DLL_Ext);
74
75 Lib_Path : constant String :=
76 Lib_Dir & Directory_Separator & Lib_File;
77
78 Version_Arg : String_Access;
79 Symbolic_Link_Needed : Boolean := False;
80
81 Common_Options : constant Argument_List :=
82 Options & new String'(PIC_Option);
83 -- Common set of options to the gcc command performing the link. On
84 -- HPUX, this command eventually resorts to collect2, which may generate
85 -- a C file and compile it on the fly. This compilation also generates
86 -- position independent code for the final link to succeed.
87 begin
88 if Opt.Verbose_Mode then
89 Write_Str ("building relocatable shared library ");
90 Write_Line (Lib_Path);
91 end if;
92
93 if Lib_Version = "" then
94 MLib.Utl.Gcc
95 (Output_File => Lib_Path,
96 Objects => Ofiles,
97 Options => Common_Options,
98 Options_2 => No_Argument_List,
99 Driver_Name => Driver_Name);
100
101 else
102 declare
103 Maj_Version : constant String :=
104 Major_Id_Name (Lib_File, Lib_Version);
105 begin
106 if Maj_Version'Length /= 0 then
107 Version_Arg := new String'("-Wl,+h," & Maj_Version);
108
109 else
110 Version_Arg := new String'("-Wl,+h," & Lib_Version);
111 end if;
112
113 if Is_Absolute_Path (Lib_Version) then
114 MLib.Utl.Gcc
115 (Output_File => Lib_Version,
116 Objects => Ofiles,
117 Options => Common_Options & Version_Arg,
118 Options_2 => No_Argument_List,
119 Driver_Name => Driver_Name);
120 Symbolic_Link_Needed := Lib_Version /= Lib_Path;
121
122 else
123 MLib.Utl.Gcc
124 (Output_File => Lib_Dir & Directory_Separator & Lib_Version,
125 Objects => Ofiles,
126 Options => Common_Options & Version_Arg,
127 Options_2 => No_Argument_List,
128 Driver_Name => Driver_Name);
129 Symbolic_Link_Needed :=
130 Lib_Dir & Directory_Separator & Lib_Version /= Lib_Path;
131 end if;
132
133 if Symbolic_Link_Needed then
134 Create_Sym_Links
135 (Lib_Path, Lib_Version, Lib_Dir, Maj_Version);
136 end if;
137 end;
138 end if;
139 end Build_Dynamic_Library;
140
141 -------------
142 -- DLL_Ext --
143 -------------
144
145 function DLL_Ext return String is
146 begin
147 return "sl";
148 end DLL_Ext;
149
150 --------------------
151 -- Is_Archive_Ext --
152 --------------------
153
154 function Is_Archive_Ext (Ext : String) return Boolean is
155 begin
156 return Ext = ".a" or else Ext = ".so";
157 end Is_Archive_Ext;
158
159 begin
160 Build_Dynamic_Library_Ptr := Build_Dynamic_Library'Access;
161 DLL_Ext_Ptr := DLL_Ext'Access;
162 Is_Archive_Ext_Ptr := Is_Archive_Ext'Access;
163 end MLib.Tgt.Specific;