99 lines
2.9 KiB
C++
99 lines
2.9 KiB
C++
/*
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* Copyright (C) 2008 Alex Shulgin
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*
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* This file is part of png++ the C++ wrapper for libpng. PNG++ is free
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* software; the exact copying conditions are as follows:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef PNGPP_CONFIG_HPP_INCLUDED
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#define PNGPP_CONFIG_HPP_INCLUDED
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#include <stdlib.h>
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// Endianness test
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#if defined(__GLIBC__)
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#include <endian.h>
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#elif defined(_WIN32)
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#define __LITTLE_ENDIAN 1234
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#define __BIG_ENDIAN 4321
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#define __BYTE_ORDER __LITTLE_ENDIAN
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#elif defined(__APPLE__)
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#include <machine/endian.h>
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#include <sys/_endian.h>
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#elif defined(__FreeBSD__)
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#include <machine/endian.h>
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#include <sys/endian.h>
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#elif defined(__sun)
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#include <sys/isa_defs.h>
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#else
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#error Byte-order could not be detected.
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#endif
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// Determine C++11 features
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#if defined(__GNUC__) && defined(__GNUC_MINOR__) && defined(__GNUC_PATCHLEVEL__) && defined(__GXX_EXPERIMENTAL_CXX0X__)
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#define PNGPP_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
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// gcc c++11 support list
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// http://gcc.gnu.org/projects/cxx0x.html
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// gcc supports static_assert since 4.3
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#if (PNGPP_GCC_VERSION >= 40300)
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#define PNGPP_HAS_STATIC_ASSERT
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#endif
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// gcc supports std::move since 4.6
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#if (PNGPP_GCC_VERSION >= 40600)
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#define PNGPP_HAS_STD_MOVE
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#endif
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#undef PNGPP_GCC_VERSION
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#elif defined(_MSC_VER)
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// MS Visual C++ compiler supports static_assert and std::move since VS2010
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// http://blogs.msdn.com/b/vcblog/archive/2011/09/12/10209291.aspx
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#if (_MSC_VER >= 1600)
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#define PNGPP_HAS_STATIC_ASSERT
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#define PNGPP_HAS_STD_MOVE
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#endif
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#endif
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#endif // PNGPP_CONFIG_HPP_INCLUDED
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