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| author | Johannes Schickel | 2013-01-09 07:36:05 +0100 |
|---|---|---|
| committer | Johannes Schickel | 2013-01-09 07:53:41 +0100 |
| commit | 178365f5e934ef7b5866a0cae244c5a4f0ab0344 (patch) | |
| tree | af5bae6add56c58ccaccae8485776bc2c9ae6760 | |
| parent | d198ccac2619b43671d39beac126342ea6d9cc64 (diff) | |
| download | scummvm-rg350-178365f5e934ef7b5866a0cae244c5a4f0ab0344.tar.gz scummvm-rg350-178365f5e934ef7b5866a0cae244c5a4f0ab0344.tar.bz2 scummvm-rg350-178365f5e934ef7b5866a0cae244c5a4f0ab0344.zip | |
COMMON: Add a header for C++11 keywords for pre-C++11 compilers.
This currently adds defines for nullptr and override, so we can use them in
pre-C++11 compilers, while taking advantage of them with C++11 compilers.
| -rw-r--r-- | common/c++11-compat.h | 42 | ||||
| -rw-r--r-- | common/scummsys.h | 5 |
2 files changed, 46 insertions, 1 deletions
diff --git a/common/c++11-compat.h b/common/c++11-compat.h new file mode 100644 index 0000000000..50d79bd79e --- /dev/null +++ b/common/c++11-compat.h @@ -0,0 +1,42 @@ +/* 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. +// +#define nullptr 0 + +// +// Replacement for the override keyword. This allows compilation of code +// which uses it, but does not feature any semantic. +// +#define override + +#endif diff --git a/common/scummsys.h b/common/scummsys.h index 2f4efe702f..cd8a949ce7 100644 --- a/common/scummsys.h +++ b/common/scummsys.h @@ -144,7 +144,10 @@ #endif #endif - +// Include our C++11 compatability header for pre-C++11 compilers. +#if __cplusplus < 201103L +#include "common/c++11-compat.h" +#endif // Use config.h, generated by configure #if defined(HAVE_CONFIG_H) |