Include sys/endian.h on FreeBSD and use that to detect the byte order. git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@110824 91177308-0d34-0410-b5e6-96231b3b80d8 
diff --git a/include/__config b/include/__config index 4279736..c3cf8c7 100644 --- a/include/__config +++ b/include/__config 
@@ -36,6 +36,17 @@  #endif  #endif   +#ifdef __FreeBSD__ +# include <sys/endian.h> +# if _BYTE_ORDER == _LITTLE_ENDIAN +# define _LIBCPP_LITTLE_ENDIAN 1 +# define _LIBCPP_BIG_ENDIAN 0 +# else +# define _LIBCPP_LITTLE_ENDIAN 0 +# define _LIBCPP_BIG_ENDIAN 1 +# endif +#endif +  #if !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN)  # include <endian.h>  # if __BYTE_ORDER == __LITTLE_ENDIAN