1    	// Specific definitions for GNU/Linux  -*- C++ -*-
2    	
3    	// Copyright (C) 2000-2013 Free Software Foundation, Inc.
4    	//
5    	// This file is part of the GNU ISO C++ Library.  This library is free
6    	// software; you can redistribute it and/or modify it under the
7    	// terms of the GNU General Public License as published by the
8    	// Free Software Foundation; either version 3, or (at your option)
9    	// any later version.
10   	
11   	// This library is distributed in the hope that it will be useful,
12   	// but WITHOUT ANY WARRANTY; without even the implied warranty of
13   	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   	// GNU General Public License for more details.
15   	
16   	// Under Section 7 of GPL version 3, you are granted additional
17   	// permissions described in the GCC Runtime Library Exception, version
18   	// 3.1, as published by the Free Software Foundation.
19   	
20   	// You should have received a copy of the GNU General Public License and
21   	// a copy of the GCC Runtime Library Exception along with this program;
22   	// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
23   	// <http://www.gnu.org/licenses/>.
24   	
25   	/** @file bits/os_defines.h
26   	 *  This is an internal header file, included by other library headers.
27   	 *  Do not attempt to use it directly. @headername{iosfwd}
28   	 */
29   	
30   	#ifndef _GLIBCXX_OS_DEFINES
31   	#define _GLIBCXX_OS_DEFINES 1
32   	
33   	// System-specific #define, typedefs, corrections, etc, go here.  This
34   	// file will come before all others.
35   	
36   	// This keeps isanum, et al from being propagated as macros.
37   	#define __NO_CTYPE 1
38   	
39   	#include <features.h>
40   	
41   	// Provide a declaration for the possibly deprecated gets function, as
42   	// glibc 2.15 and later does not declare gets for ISO C11 when
43   	// __GNU_SOURCE is defined.
44   	#if __GLIBC_PREREQ(2,15) && defined(_GNU_SOURCE)
45   	# undef _GLIBCXX_HAVE_GETS
46   	#endif
47   	
48   	#endif
49