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-rw-r--r--src/system/ByteOrder.hxx10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/system/ByteOrder.hxx b/src/system/ByteOrder.hxx
index 8beda61c7..42181fe2c 100644
--- a/src/system/ByteOrder.hxx
+++ b/src/system/ByteOrder.hxx
@@ -40,6 +40,16 @@
/* well-known big-endian */
# define IS_LITTLE_ENDIAN false
# define IS_BIG_ENDIAN true
+#elif defined(__APPLE__)
+/* compile-time check for MacOS */
+# include <machine/endian.h>
+# if BYTE_ORDER == LITTLE_ENDIAN
+# define IS_LITTLE_ENDIAN true
+# define IS_BIG_ENDIAN false
+# else
+# define IS_LITTLE_ENDIAN false
+# define IS_BIG_ENDIAN true
+# endif
#else
/* generic compile-time check */
# include <endian.h>