#include <asm/types.h>
-#if __BYTE_ORDER == __BIG_ENDIAN
+#if defined(__BIG_ENDIAN)
# define ntohll(x) (x)
# define htonll(x) (x)
-#elif __BYTE_ORDER == __LITTLE_ENDIAN
+#elif defined(__LITTLE_ENDIAN)
# define ntohll(x) bswap_64(x)
# define htonll(x) bswap_64(x)
#else