* makeutl.ads, makeutl.adb: New files.

From-SVN: r80868

gcc/ada/ChangeLog

@@ -91,6 +91,8 @@
 	(Gnatmake): Move sorting of linker options to function
 	Makeutl.Linker_Options_Switches.
 
+	* makeutl.ads, makeutl.adb: New files.
+
 	* Makefile.in: Add makeutl.o to the object files for gnatmake
 
 	* makeusg.adb: Add line for new switch -eL.

gcc/ada/makeutl.ads

+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT COMPILER COMPONENTS                         --
+--                                                                          --
+--                              M A K E U T L                               --
+--                                                                          --
+--                                 S p e c                                  --
+--                                                                          --
+--          Copyright (C) 2004 Free Software Foundation, Inc.               --
+--                                                                          --
+-- 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 2,  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 COPYING.  If not, write --
+-- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
+-- MA 02111-1307, USA.                                                      --
+--                                                                          --
+-- GNAT was originally developed  by the GNAT team at  New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc.      --
+--                                                                          --
+------------------------------------------------------------------------------
+
+with GNAT.OS_Lib; use GNAT.OS_Lib;
+with Osint;
+with Prj;         use Prj;
+
+package Makeutl is
+
+   type Fail_Proc is access procedure
+     (S1 : String; S2 : String := ""; S3 : String := "");
+   Do_Fail : Fail_Proc := Osint.Fail'Access;
+
+
+   function Is_External_Assignment (Argv : String) return Boolean;
+   --  Verify that an external assignment switch is syntactically correct.
+   --  Correct forms are
+   --      -Xname=value
+   --      -X"name=other value"
+   --  Assumptions: 'First = 1, Argv (1 .. 2) = "-X"
+   --  When this function returns True, the external assignment has
+   --  been entered by a call to Prj.Ext.Add, so that in a project
+   --  file, External ("name") will return "value".
+
+   --  Package Mains is used to store the mains specified on the command line
+   --  and to retrieve them when a project file is used, to verify that the
+   --  files exist and that they belong to a project file.
+
+   function Linker_Options_Switches (Project  : Project_Id) return String_List;
+
+   package Mains is
+
+      --  Mains are stored in a table. An index is used to retrieve the mains
+      --  from the table.
+
+      procedure Add_Main (Name : String);
+      --  Add one main to the table
+
+      procedure Delete;
+      --  Empty the table
+
+      procedure Reset;
+      --  Reset the index to the beginning of the table
+
+      function Next_Main return String;
+      --  Increase the index and return the next main.
+      --  If table is exhausted, return an empty string.
+
+      function Number_Of_Mains return Natural;
+      --  Returns the number of mains added with Add_Main since the last call
+      --  to Delete.
+
+   end Mains;
+
+   procedure Test_If_Relative_Path
+     (Switch             : in out String_Access;
+      Parent             : String_Access;
+      Including_L_Switch : Boolean := True);
+   --  Test if Switch is a relative search path switch.
+   --  If it is, fail if Parent is null, otherwise prepend the path with
+   --  Parent. This subprogram is only called when using project files.
+   --  For gnatbind switches, Including_L_Switch is False, because the
+   --  argument of the -L switch is not a path.
+
+end Makeutl;