First import from sources

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diff --git a/translate/grt/ghdl_main.adb b/translate/grt/ghdl_main.adb
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+--  GHDL Run Time (GRT) entry point.
+--  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
+--
+--  GHDL is free software; you can redistribute it and/or modify it under
+--  the terms of the GNU General Public License as published by the Free
+--  Software Foundation; either version 2, or (at your option) any later
+--  version.
+--
+--  GHDL is distributed in the hope that it will be useful, but WITHOUT 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
+--  along with GCC; see the file COPYING.  If not, write to the Free
+--  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+--  02111-1307, USA.
+with Ada.Unchecked_Conversion;
+with Grt.Options; use Grt.Options;
+with Grt.Main;
+with Grt.Types; use Grt.Types;
+
+pragma Warnings (Off);
+with Grt.Rtis_Binding;
+pragma Warnings (On);
+
+
+function Ghdl_Main (Argc : Integer; Argv : System.Address)
+                   return Integer
+is
+   --  Grt_Init corresponds to the 'adainit' subprogram for grt.
+   procedure Grt_Init;
+   pragma Import (C, Grt_Init, "grt_init");
+
+   function To_Argv_Type is new Ada.Unchecked_Conversion
+     (Source => System.Address, Target => Grt.Options.Argv_Type);
+
+   Default_Progname : constant String := "ghdl_design" & NUL;
+begin
+   if Argc > 0 then
+      Grt.Options.Progname := To_Argv_Type (Argv)(0);
+   else
+      Grt.Options.Progname := To_Ghdl_C_String (Default_Progname'Address);
+   end if;
+   Grt.Options.Argc := Argc;
+   Grt.Options.Argv := To_Argv_Type (Argv);
+
+   Grt_Init;
+   Grt.Main.Run;
+   return 0;
+end Ghdl_Main;