gcc/ada/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) 2003-2008, 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.
  84       --  On HPUX, this command eventually resorts to collect2, which may
  85       --  generate a C file and compile it on the fly. This compilation shall
  86       --  also generate position independent code for the final link to
  87       --  succeed.
  88    begin
  89       if Opt.Verbose_Mode then
  90          Write_Str ("building relocatable shared library ");
  91          Write_Line (Lib_Path);
  92       end if;
  93
  94       if Lib_Version = "" then
  95          MLib.Utl.Gcc
  96            (Output_File => Lib_Path,
  97             Objects     => Ofiles,
  98             Options     => Common_Options,
  99             Options_2   => No_Argument_List,
 100             Driver_Name => Driver_Name);
 101
 102       else
 103          declare
 104             Maj_Version : constant String :=
 105                             Major_Id_Name (Lib_File, Lib_Version);
 106          begin
 107             if Maj_Version'Length /= 0 then
 108                Version_Arg := new String'("-Wl,+h," & Maj_Version);
 109
 110             else
 111                Version_Arg := new String'("-Wl,+h," & Lib_Version);
 112             end if;
 113
 114             if Is_Absolute_Path (Lib_Version) then
 115                MLib.Utl.Gcc
 116                  (Output_File => Lib_Version,
 117                   Objects     => Ofiles,
 118                   Options     => Common_Options & Version_Arg,
 119                   Options_2   => No_Argument_List,
 120                   Driver_Name => Driver_Name);
 121                Symbolic_Link_Needed := Lib_Version /= Lib_Path;
 122
 123             else
 124                MLib.Utl.Gcc
 125                  (Output_File => Lib_Dir & Directory_Separator & Lib_Version,
 126                   Objects     => Ofiles,
 127                   Options     => Common_Options & Version_Arg,
 128                   Options_2   => No_Argument_List,
 129                   Driver_Name => Driver_Name);
 130                Symbolic_Link_Needed :=
 131                  Lib_Dir & Directory_Separator & Lib_Version /= Lib_Path;
 132             end if;
 133
 134             if Symbolic_Link_Needed then
 135                Create_Sym_Links
 136                  (Lib_Path, Lib_Version, Lib_Dir, Maj_Version);
 137             end if;
 138          end;
 139       end if;
 140    end Build_Dynamic_Library;
 141
 142    -------------
 143    -- DLL_Ext --
 144    -------------
 145
 146    function DLL_Ext return String is
 147    begin
 148       return "sl";
 149    end DLL_Ext;
 150
 151    --------------------
 152    -- Is_Archive_Ext --
 153    --------------------
 154
 155    function Is_Archive_Ext (Ext : String) return Boolean is
 156    begin
 157       return Ext = ".a" or else Ext = ".so";
 158    end Is_Archive_Ext;
 159
 160 begin
 161    Build_Dynamic_Library_Ptr := Build_Dynamic_Library'Access;
 162    DLL_Ext_Ptr := DLL_Ext'Access;
 163    Is_Archive_Ext_Ptr := Is_Archive_Ext'Access;
 164 end MLib.Tgt.Specific;