diff -Nru iputils-orig/ping6.c iputils/ping6.c
--- iputils-orig/ping6.c	2005-12-05 18:06:39.000000000 +0100
+++ iputils/ping6.c	2005-12-05 18:06:49.000000000 +0100
@@ -101,6 +101,20 @@
 #define HAVE_SIN6_SCOPEID 1
 #endif
 
+/* Begin hack KERNEL >= 2.6.1x.x */
+#define IPV6_ADDRFORM           1
+#define IPV6_PKTINFO            2
+#define IPV6_HOPOPTS            3
+#define IPV6_DSTOPTS            4
+#define IPV6_RTHDR              5
+#define IPV6_PKTOPTIONS         6
+#define IPV6_CHECKSUM           7
+#define IPV6_HOPLIMIT           8
+#define IPV6_NEXTHOP            9
+#define IPV6_FLOWINFO           11
+/* End hack */
+
+
 
 __u32 flowlabel;
 __u32 tclass;
diff -Nru iputils-orig/tracepath6.c iputils/tracepath6.c
--- iputils-orig/tracepath6.c	2005-12-05 18:06:39.000000000 +0100
+++ iputils/tracepath6.c	2005-12-05 18:06:55.000000000 +0100
@@ -25,6 +25,19 @@
 #include <sys/uio.h>
 #include <arpa/inet.h>
 
+/* Begin hack KERNEL >= 2.6.1x.x */
+#define IPV6_ADDRFORM           1
+#define IPV6_PKTINFO            2
+#define IPV6_HOPOPTS            3
+#define IPV6_DSTOPTS            4
+#define IPV6_RTHDR              5
+#define IPV6_PKTOPTIONS         6
+#define IPV6_CHECKSUM           7
+#define IPV6_HOPLIMIT           8
+#define IPV6_NEXTHOP            9
+#define IPV6_FLOWINFO           11
+/* End hack */
+
 int overhead = 48;
 int mtu = 128000;
 int hops_to = -1;