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- #ifndef BOOST_DETAIL_ENDIAN_HPP
- #define BOOST_DETAIL_ENDIAN_HPP
- #if defined (__GLIBC__)
- # include <endian.h>
- # if (__BYTE_ORDER == __LITTLE_ENDIAN)
- # define BOOST_LITTLE_ENDIAN
- # elif (__BYTE_ORDER == __BIG_ENDIAN)
- # define BOOST_BIG_ENDIAN
- # elif (__BYTE_ORDER == __PDP_ENDIAN)
- # define BOOST_PDP_ENDIAN
- # else
- # error Unknown machine endianness detected.
- # endif
- # define BOOST_BYTE_ORDER __BYTE_ORDER
- #elif defined(_BIG_ENDIAN) && !defined(_LITTLE_ENDIAN)
- # define BOOST_BIG_ENDIAN
- # define BOOST_BYTE_ORDER 4321
- #elif defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
- # define BOOST_LITTLE_ENDIAN
- # define BOOST_BYTE_ORDER 1234
- #elif defined(__sparc) || defined(__sparc__) \
- || defined(_POWER) || defined(__powerpc__) \
- || defined(__ppc__) || defined(__hpux) \
- || defined(_MIPSEB) || defined(_POWER) \
- || defined(__s390__)
- # define BOOST_BIG_ENDIAN
- # define BOOST_BYTE_ORDER 4321
- #elif defined(__i386__) || defined(__alpha__) \
- || defined(__ia64) || defined(__ia64__) \
- || defined(_M_IX86) || defined(_M_IA64) \
- || defined(_M_ALPHA) || defined(__amd64) \
- || defined(__amd64__) || defined(_M_AMD64) \
- || defined(__x86_64) || defined(__x86_64__) \
- || defined(_M_X64) || defined(__bfin__)
- # define BOOST_LITTLE_ENDIAN
- # define BOOST_BYTE_ORDER 1234
- #else
- # error The file boost/detail/endian.hpp needs to be set up for your CPU type.
- #endif
- #endif
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