png++: config.hpp Source File

png++ 0.2.10

config.hpp
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1/*
2 * Copyright (C) 2008 Alex Shulgin
3 *
4 * This file is part of png++ the C++ wrapper for libpng. PNG++ is free
5 * software; the exact copying conditions are as follows:
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * 3. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
23 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
25 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
26 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
27 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31#ifndef PNGPP_CONFIG_HPP_INCLUDED
32#define PNGPP_CONFIG_HPP_INCLUDED
33
34#include <stdlib.h>
35
36// Endianness test
37#if defined(__GLIBC__)
38
39#include <endian.h>
40
41#elif defined(_WIN32)
42
43#define __LITTLE_ENDIAN 1234
44#define __BIG_ENDIAN 4321
45#define __BYTE_ORDER __LITTLE_ENDIAN
46
47#elif defined(__APPLE__)
48
49#include <machine/endian.h>
50#include <sys/_endian.h>
51
52#elif defined(__FreeBSD__)
53
54#include <machine/endian.h>
55#include <sys/endian.h>
56
57#elif defined(__sun)
58
59#include <sys/isa_defs.h>
60
61#else
62
63#error Byte-order could not be detected.
64
65#endif
66
67// Determine C++11 features
68#if defined(__GNUC__) && defined(__GNUC_MINOR__) && defined(__GNUC_PATCHLEVEL__) && defined(__GXX_EXPERIMENTAL_CXX0X__)
69
70#define PNGPP_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
71// gcc c++11 support list
72// http://gcc.gnu.org/projects/cxx0x.html
73
74// gcc supports static_assert since 4.3
75#if (PNGPP_GCC_VERSION >= 40300)
76#define PNGPP_HAS_STATIC_ASSERT
77#endif
78
79// gcc supports std::move since 4.6
80#if (PNGPP_GCC_VERSION >= 40600)
81#define PNGPP_HAS_STD_MOVE
82#endif
83
84#undef PNGPP_GCC_VERSION
85
86#elif defined(_MSC_VER)
87
88// MS Visual C++ compiler supports static_assert and std::move since VS2010
89// http://blogs.msdn.com/b/vcblog/archive/2011/09/12/10209291.aspx
90#if (_MSC_VER >= 1600)
91#define PNGPP_HAS_STATIC_ASSERT
92#define PNGPP_HAS_STD_MOVE
93#endif
94
95#endif
96
97
98#endif // PNGPP_CONFIG_HPP_INCLUDED