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------------------------------------------------------------------------------

--                                                                          --

--                         GNAT COMPILER COMPONENTS                         --

--                                                                          --

--                                 M L I B                                  --

--                                                                          --

--                                 S p e c                                  --

--                                                                          --

--                     Copyright (C) 1999-2009, AdaCore                     --

--                                                                          --

-- GNAT is free software;  you can  redistribute it  and/or modify it under --

-- terms of the  GNU General Public License as published  by the Free Soft- --

-- ware  Foundation;  either version 3,  or (at your option) any later ver- --

-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --

-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --

-- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --

-- for  more details.  You should have  received  a copy of the GNU General --

-- Public License  distributed with GNAT; see file COPYING3.  If not, go to --

-- http://www.gnu.org/licenses for a complete copy of the license.          --

--                                                                          --

-- GNAT was originally developed  by the GNAT team at  New York University. --

-- Extensive contributions were provided by Ada Core Technologies Inc.      --

--                                                                          --

------------------------------------------------------------------------------

--  This package provides the core high level routines used by GNATMLIB

--  and GNATMAKE to build libraries

with Namet; use Namet;

with Osint; use Osint;

with GNAT.OS_Lib; use GNAT.OS_Lib;

package MLib is

   No_Argument_List : aliased String_List := (1 .. 0 => null);

   No_Argument      : constant String_List_Access := No_Argument_List'Access;

   Max_Characters_In_Library_Name : constant := 20;

   --  Maximum number of characters in a library name.

   --  Used by Check_Library_Name below.

   type Fail_Proc is access procedure (S1 : String);

   Fail : Fail_Proc := Osint.Fail'Access;

   --  This procedure is used in the MLib hierarchy, instead of

   --  directly calling Osint.Fail.

   --  It is redirected to Make.Make_Failed by gnatmake.

   procedure Check_Library_Name (Name : String);

   --  Verify that the name of a library has the following characteristics

   --   - starts with a letter

   --   - includes only letters and digits

   --   - contains not more than Max_Characters_In_Library_Name characters

   procedure Build_Library

     (Ofiles      : Argument_List;

      Output_File : String;

      Output_Dir  : String);

   --  Build a static library from a set of object files

   procedure Copy_ALI_Files

     (Files      : Argument_List;

      To         : Path_Name_Type;

      Interfaces : String_List);

   --  Copy all ALI files Files to directory To.

   --  Mark Interfaces ALI files as interfaces, if any.

   procedure Create_Sym_Links

     (Lib_Path    : String;

      Lib_Version : String;

      Lib_Dir     : String;

      Maj_Version : String);

   function Linker_Library_Path_Option return String_Access;

   --  Linker option to specify to the linker the library directory path.

   --  If non null, the library directory path is to be appended.

   --  Should be deallocated by the caller, when no longer needed.

   function Major_Id_Name

     (Lib_Filename : String;

      Lib_Version  : String) return String;

   --  Returns the major id library file name, if it exists.

   --  For example, if Lib_Filename is "libtoto.so" and Lib_Version is

   --  "libtoto.so.1.2", then "libtoto.so.1" is returned.

   function Separate_Run_Path_Options return Boolean;

   --  Return True if separate rpath arguments must be passed to the linker

   --  for each directory in the rpath.

private

   Preserve : Attribute := Time_Stamps;

   --  Used by Copy_ALI_Files. Changed to None for OpenVMS, because

   --  Copy_Attributes always fails on VMS.

end MLib;