--- hping3-20051105_orig/hping2.h	2004-06-04 09:22:38.000000000 +0200
+++ hping3-20051105/hping2.h	2009-02-26 15:42:14.000000000 +0100
@@ -13,6 +13,7 @@
 #ifndef _HPING2_H
 #define _HPING2_H
 
+#include <endian.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
@@ -248,10 +249,10 @@
  * IP header
  */
 struct myiphdr {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
+#if __BYTE_ORDER == __LITTLE_ENDIAN
         __u8    ihl:4,
                 version:4;
-#elif defined (__BIG_ENDIAN_BITFIELD)
+#elif __BYTE_ORDER == __BIG_ENDIAN
         __u8    version:4,
                 ihl:4;
 #else
@@ -287,10 +288,10 @@
 	__u16	th_dport;               /* destination port */
 	__u32	th_seq;                 /* sequence number */
 	__u32	th_ack;                 /* acknowledgement number */
-#if defined (__LITTLE_ENDIAN_BITFIELD)
+#if __BYTE_ORDER == __LITTLE_ENDIAN
 	__u8    th_x2:4,                /* (unused) */
 		th_off:4;               /* data offset */
-#elif defined (__BIG_ENDIAN_BITFIELD)
+#elif __BYTE_ORDER == __BIG_ENDIAN
 	__u8    th_off:4,               /* data offset */
 		th_x2:4;                /* (unused) */
 #else