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add a way to define a default endian

This commit is contained in:
Sébastien Loriot 2019-10-10 13:00:33 +02:00
parent f46c9888e6
commit 66e3b216be
1 changed files with 28 additions and 4 deletions
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30
Installation/include/CGAL/config.h
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@ -362,7 +362,15 @@
# elif BOOST_ENDIAN_LITTLE_BYTE # elif BOOST_ENDIAN_LITTLE_BYTE
# define CGAL_LITTLE_ENDIAN # define CGAL_LITTLE_ENDIAN
# else # else
# error Unknown endianness # ifdef CGAL_DEFAULT_ENDIAN
# if CGAL_DEFAULT_ENDIAN == 0
# define CGAL_LITTLE_ENDIAN
# else
# define CGAL_BIG_ENDIAN
# endif
# else
# error Unknown endianness: Define CGAL_DEFAULT_ENDIAN to 0 for little endian and to 1 for big endian.
# endif
# endif # endif
#elif defined (__GLIBC__) #elif defined (__GLIBC__)
# include <endian.h> # include <endian.h>
@ -371,7 +379,15 @@
# elif (__BYTE_ORDER == __BIG_ENDIAN) # elif (__BYTE_ORDER == __BIG_ENDIAN)
# define CGAL_BIG_ENDIAN # define CGAL_BIG_ENDIAN
# else # else
# error Unknown endianness # ifdef CGAL_DEFAULT_ENDIAN
# if CGAL_DEFAULT_ENDIAN == 0
# define CGAL_LITTLE_ENDIAN
# else
# define CGAL_BIG_ENDIAN
# endif
# else
# error Unknown endianness: Define CGAL_DEFAULT_ENDIAN to 0 for little endian and to 1 for big endian.
# endif
# endif # endif
#elif defined(__sparc) || defined(__sparc__) \ #elif defined(__sparc) || defined(__sparc__) \
|| defined(_POWER) || defined(__powerpc__) \ || defined(_POWER) || defined(__powerpc__) \
@ -386,7 +402,15 @@
|| defined(_M_ALPHA) || defined(_WIN64) || defined(_M_ALPHA) || defined(_WIN64)
# define CGAL_LITTLE_ENDIAN # define CGAL_LITTLE_ENDIAN
#else #else
# error Unknown endianness # ifdef CGAL_DEFAULT_ENDIAN
# if CGAL_DEFAULT_ENDIAN == 0
# define CGAL_LITTLE_ENDIAN
# else
# define CGAL_BIG_ENDIAN
# endif
# else
# error Unknown endianness: Define CGAL_DEFAULT_ENDIAN to 0 for little endian and to 1 for big endian.
# endif
#endif #endif