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) 2003-2014, 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;