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dindexer/include/helpers/compatibility.h

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/* Copyright 2015, 2016, Michele Santullo
* This file is part of "dindexer".
*
* "dindexer" 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 3 of the License, or
* (at your option) any later version.
*
* "dindexer" 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 "dindexer". If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef id45CDD1DAEF4F42968E3C89F68FDDA9BC
#define id45CDD1DAEF4F42968E3C89F68FDDA9BC
#if defined(__GNUC__)
# if defined(__clang__)
# if !defined(__has_attribute)
//Fall back to version number comparing
# else
# if __has_attribute(flatten)
# define a_flatten __attribute__((flatten))
# else
# define a_flatten
# endif
# if __has_attribute(always_inline)
# define a_always_inline __attribute__((always_inline))
# else
# define a_always_inline
# endif
# if __has_attribute(pure)
# define a_pure __attribute__((pure))
# else
# define a_pure
# endif
# if __has_attribute(deprecated)
# define a_deprecated __attribute__((deprecated))
# else
# define a_deprecated
#endif
# endif
# else
//Fix here if you get warnings about unsupported attributes on your compiler
# define a_flatten __attribute__((flatten))
# define a_always_inline __attribute__((always_inline))
# define a_pure __attribute__((pure))
# define a_deprecated __attribute__((deprecated))
# endif
#else
# warning "Unsupported compiler, please fill this section or file a bug"
# define a_flatten
# define a_always_inline
# define a_pure
# define a_deprecated
#endif
#endif