1------------------------------------------------------------------------------ 2-- -- 3-- GNAT COMPILER COMPONENTS -- 4-- -- 5-- H O S T P A R M -- 6-- -- 7-- S p e c -- 8-- -- 9-- Copyright (C) 1992-2014, Free Software Foundation, Inc. -- 10-- -- 11-- GNAT is free software; you can redistribute it and/or modify it under -- 12-- terms of the GNU General Public License as published by the Free Soft- -- 13-- ware Foundation; either version 3, or (at your option) any later ver- -- 14-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- 15-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- 16-- or FITNESS FOR A PARTICULAR PURPOSE. -- 17-- -- 18-- As a special exception under Section 7 of GPL version 3, you are granted -- 19-- additional permissions described in the GCC Runtime Library Exception, -- 20-- version 3.1, as published by the Free Software Foundation. -- 21-- -- 22-- You should have received a copy of the GNU General Public License and -- 23-- a copy of the GCC Runtime Library Exception along with this program; -- 24-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- 25-- <http://www.gnu.org/licenses/>. -- 26-- -- 27-- GNAT was originally developed by the GNAT team at New York University. -- 28-- Extensive contributions were provided by Ada Core Technologies Inc. -- 29-- -- 30------------------------------------------------------------------------------ 31 32-- This package defines some system dependent parameters for GNAT. These 33-- are parameters that are relevant to the host machine on which the 34-- compiler is running, and thus this package is part of the compiler. 35 36with Types; 37 38package Hostparm is 39 40 --------------------- 41 -- HOST Parameters -- 42 --------------------- 43 44 Direct_Separator : constant Character; 45 pragma Import (C, Direct_Separator, "__gnat_dir_separator"); 46 Normalized_CWD : constant String := "." & Direct_Separator; 47 -- Normalized string to access current directory 48 49 Max_Line_Length : constant := 50 Types.Column_Number'Pred (Types.Column_Number'Last); 51 -- Maximum source line length. By default we set it to the maximum 52 -- value that can be supported, which is given by the range of the 53 -- Column_Number type. We subtract 1 because need to be able to 54 -- have a valid Column_Number equal to Max_Line_Length to represent 55 -- the location of a "line too long" error. 56 -- 57 -- 200 is the minimum value required (RM 2.2(15)). The value set here 58 -- can be reduced by the explicit use of the -gnatyM style switch. 59 60 Max_Name_Length : constant := 1024; 61 -- Maximum length of unit name (including all dots, and " (spec)") and 62 -- of file names in the library, must be at least Max_Line_Length, but 63 -- can be larger. 64 65 Tag_Errors : constant Boolean := False; 66 -- If set to true, then brief form error messages will be prefaced by 67 -- the string "error:". Used as default for Opt.Unique_Error_Tag. 68 69 Exclude_Missing_Objects : constant Boolean := True; 70 -- If set to true, gnatbind will exclude from consideration all 71 -- non-existent .o files. 72 73end Hostparm; 74