1 // Copyright (C) 2013-2016 Free Software Foundation, Inc. 2 // 3 // This file is part of the GNU ISO C++ Library. This library is free 4 // software; you can redistribute it and/or modify it under the 5 // terms of the GNU General Public License as published by the 6 // Free Software Foundation; either version 3, or (at your option) 7 // any later version. 8 9 // This library is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU General Public License for more details. 13 14 // Under Section 7 of GPL version 3, you are granted additional 15 // permissions described in the GCC Runtime Library Exception, version 16 // 3.1, as published by the Free Software Foundation. 17 18 // You should have received a copy of the GNU General Public License and 19 // a copy of the GCC Runtime Library Exception along with this program; 20 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 21 // <http://www.gnu.org/licenses/>. 22 23 /** @file bits/c++14_warning.h 24 * This is an internal header file, included by other library headers. 25 * Do not attempt to use it directly. @headername{iosfwd} 26 */ 27 28 #ifndef _CXX14_WARNING_H 29 #define _CXX14_WARNING_H 1 30 31 #if __cplusplus <= 201103L 32 #error This file requires compiler and library support for the forthcoming \ 33 ISO C++ 2014 standard. This support is currently experimental, and must be \ 34 enabled with the -std=c++1y or -std=gnu++1y compiler options. 35 #endif 36 37 #endif 38