scummvm/common/c++11-compat.h

51 lines
1.7 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program 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
* of the License, or (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef COMMON_CPP11_COMPAT_H
#define COMMON_CPP11_COMPAT_H
#if __cplusplus >= 201103L
#error "c++11-compat.h included when C++11 is available"
#endif
//
// Custom nullptr replacement. This is not type safe as the real C++11 nullptr
// though.
//
#if !defined(nullptr) // XCode 5.0.1 has __cplusplus=199711 but defines this
// MSVC 2010 and newer fully support nullptr: http://msdn.microsoft.com/en-us/library/hh567368.aspx
#if !defined(_MSC_VER) || _MSC_VER < 1600
#define nullptr 0
#endif
#endif
//
// Replacement for the override keyword. This allows compilation of code
// which uses it, but does not feature any semantic.
//
// MSVC 2012 and newer fully support override: http://msdn.microsoft.com/en-us/library/hh567368.aspx
#if !defined(_MSC_VER) || _MSC_VER < 1700
#define override
#endif
#endif