diff -up f2fs-tools-1.4.0/include/f2fs_fs.h.orig f2fs-tools-1.4.0/include/f2fs_fs.h
--- f2fs-tools-1.4.0/include/f2fs_fs.h.orig	2015-01-03 09:45:23.000000000 +0100
+++ f2fs-tools-1.4.0/include/f2fs_fs.h	2015-01-03 09:45:20.000000000 +0100
@@ -34,6 +34,7 @@ typedef unsigned long	pgoff_t;
 #define cpu_to_le32(x)	((__u32)(x))
 #define cpu_to_le64(x)	((__u64)(x))
 #elif __BYTE_ORDER == __BIG_ENDIAN
+#include <byteswap.h>
 #define le16_to_cpu(x)	bswap_16(x)
 #define le32_to_cpu(x)	bswap_32(x)
 #define le64_to_cpu(x)	bswap_64(x)