along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
+#include <endian.h>
+
#include "sd-id128.h"
/* We only support root disk discovery for x86, x86-64 and ARM for
# define GPT_ROOT_NATIVE GPT_ROOT_X86
#endif
-#if defined(__aarch64__) && !defined(WORDS_BIGENDIAN)
+#if defined(__aarch64__) && (__BYTE_ORDER != __BIG_ENDIAN)
# define GPT_ROOT_NATIVE GPT_ROOT_ARM_64
# define GPT_ROOT_SECONDARY GPT_ROOT_ARM
-#elif defined(__arm__) && !defined(WORDS_BIGENDIAN)
+#elif defined(__arm__) && (__BYTE_ORDER != __BIG_ENDIAN)
# define GPT_ROOT_NATIVE GPT_ROOT_ARM
#endif