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-rw-r--r--libm/fp_private.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/libm/fp_private.h b/libm/fp_private.h
index 505400e33..0ddb616c4 100644
--- a/libm/fp_private.h
+++ b/libm/fp_private.h
@@ -70,10 +70,11 @@
*******************************************************************************/
#include <stdint.h>
+#include <endian.h>
typedef struct /* Hex representation of a double. */
{
-#if defined(__BIG_ENDIAN__)
+#if (__BYTE_ORDER == __BIG_ENDIAN)
uint32_t high;
uint32_t low;
#else