gcc/ada/mlib-tgt-specific-tru64.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 --                             (Tru64 Version)                              --
   7 --                                                                          --
   8 --                                 B o d y                                  --
   9 --                                                                          --
  10 --          Copyright (C) 2002-2008, Free Software Foundation, Inc.         --
  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 Tru64 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    use MLib;
  37
  38    --  Non default subprogram
  39
  40    procedure Build_Dynamic_Library
  41      (Ofiles       : Argument_List;
  42       Options      : Argument_List;
  43       Interfaces   : Argument_List;
  44       Lib_Filename : String;
  45       Lib_Dir      : String;
  46       Symbol_Data  : Symbol_Record;
  47       Driver_Name  : Name_Id := No_Name;
  48       Lib_Version  : String  := "";
  49       Auto_Init    : Boolean := False);
  50
  51    function Is_Archive_Ext (Ext : String) return Boolean;
  52
  53    function PIC_Option return String;
  54
  55    --  Local variables
  56
  57    Expect_Unresolved : aliased String := "-Wl,-expect_unresolved,*";
  58
  59    ---------------------------
  60    -- Build_Dynamic_Library --
  61    ---------------------------
  62
  63    procedure Build_Dynamic_Library
  64      (Ofiles       : Argument_List;
  65       Options      : Argument_List;
  66       Interfaces   : Argument_List;
  67       Lib_Filename : String;
  68       Lib_Dir      : String;
  69       Symbol_Data  : Symbol_Record;
  70       Driver_Name  : Name_Id := No_Name;
  71       Lib_Version  : String  := "";
  72       Auto_Init    : Boolean := False)
  73    is
  74       pragma Unreferenced (Interfaces);
  75       pragma Unreferenced (Symbol_Data);
  76       pragma Unreferenced (Auto_Init);
  77       --  Initialization is done through the constructor mechanism
  78
  79       Lib_File : constant String :=
  80                    "lib" & Fil.Append_To (Lib_Filename, DLL_Ext);
  81
  82       Lib_Path : constant String :=
  83                    Lib_Dir & Directory_Separator & Lib_File;
  84
  85       Version_Arg          : String_Access;
  86       Symbolic_Link_Needed : Boolean := False;
  87
  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 specified, add automatic elaboration/finalization
  95
  96       if Lib_Version = "" then
  97          Utl.Gcc
  98            (Output_File => Lib_Path,
  99             Objects     => Ofiles,
 100             Options     => Options & Expect_Unresolved'Access,
 101             Options_2   => No_Argument_List,
 102             Driver_Name => Driver_Name);
 103
 104       else
 105          declare
 106             Maj_Version : constant String :=
 107                             Major_Id_Name (Lib_File, Lib_Version);
 108          begin
 109             if Maj_Version'Length /= 0 then
 110                Version_Arg := new String'("-Wl,-soname," & Maj_Version);
 111
 112             else
 113                Version_Arg := new String'("-Wl,-soname," & Lib_Version);
 114             end if;
 115
 116             if Is_Absolute_Path (Lib_Version) then
 117                Utl.Gcc
 118                  (Output_File => Lib_Version,
 119                   Objects     => Ofiles,
 120                   Options     =>
 121                     Options & Version_Arg & Expect_Unresolved'Access,
 122                   Options_2   => No_Argument_List,
 123                   Driver_Name => Driver_Name);
 124                Symbolic_Link_Needed := Lib_Version /= Lib_Path;
 125
 126             else
 127                Utl.Gcc
 128                  (Output_File => Lib_Dir & Directory_Separator & Lib_Version,
 129                   Objects     => Ofiles,
 130                   Options     =>
 131                     Options & Version_Arg & Expect_Unresolved'Access,
 132                   Options_2   => No_Argument_List,
 133                   Driver_Name => Driver_Name);
 134                Symbolic_Link_Needed :=
 135                  Lib_Dir & Directory_Separator & Lib_Version /= Lib_Path;
 136             end if;
 137
 138             if Symbolic_Link_Needed then
 139                Create_Sym_Links
 140                  (Lib_Path, Lib_Version, Lib_Dir, Maj_Version);
 141             end if;
 142          end;
 143       end if;
 144    end Build_Dynamic_Library;
 145
 146    --------------------
 147    -- Is_Archive_Ext --
 148    --------------------
 149
 150    function Is_Archive_Ext (Ext : String) return Boolean is
 151    begin
 152       return Ext = ".a" or else Ext = ".so";
 153    end Is_Archive_Ext;
 154
 155    ----------------
 156    -- PIC_Option --
 157    ----------------
 158
 159    function PIC_Option return String is
 160    begin
 161       return "";
 162    end PIC_Option;
 163
 164 begin
 165    Build_Dynamic_Library_Ptr := Build_Dynamic_Library'Access;
 166    Is_Archive_Ext_Ptr := Is_Archive_Ext'Access;
 167    PIC_Option_Ptr := PIC_Option'Access;
 168 end MLib.Tgt.Specific;