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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;