libstdc++-v3/include/bits/c++14_warning.h

   1 // Copyright (C) 2013-2015 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