--- a/extensions/libip6t_ipv6header.c
+++ b/extensions/libip6t_ipv6header.c
@@ -10,6 +10,9 @@ on whether they contain certain headers 
 #include <netdb.h>
 #include <xtables.h>
 #include <linux/netfilter_ipv6/ip6t_ipv6header.h>
+#ifndef IPPROTO_HOPOPTS
+#	define IPPROTO_HOPOPTS 0
+#endif
 
 enum {
 	O_HEADER = 0,
--- a/extensions/libxt_TCPOPTSTRIP.c
+++ b/extensions/libxt_TCPOPTSTRIP.c
@@ -12,6 +12,21 @@
 #ifndef TCPOPT_MD5SIG
 #	define TCPOPT_MD5SIG 19
 #endif
+#ifndef TCPOPT_MAXSEG
+#	define TCPOPT_MAXSEG 2
+#endif
+#ifndef TCPOPT_WINDOW
+#	define TCPOPT_WINDOW 3
+#endif
+#ifndef TCPOPT_SACK_PERMITTED
+#	define TCPOPT_SACK_PERMITTED 4
+#endif
+#ifndef TCPOPT_SACK
+#	define TCPOPT_SACK 5
+#endif
+#ifndef TCPOPT_TIMESTAMP
+#	define TCPOPT_TIMESTAMP 8
+#endif
 
 enum {
 	O_STRIP_OPTION = 0,
--- a/include/libiptc/ipt_kernel_headers.h
+++ b/include/libiptc/ipt_kernel_headers.h
@@ -5,7 +5,6 @@
 
 #include <limits.h>
 
-#if defined(__GLIBC__) && __GLIBC__ == 2
 #include <netinet/ip.h>
 #include <netinet/in.h>
 #include <netinet/ip_icmp.h>
@@ -13,15 +12,4 @@
 #include <netinet/udp.h>
 #include <net/if.h>
 #include <sys/types.h>
-#else /* libc5 */
-#include <sys/socket.h>
-#include <linux/ip.h>
-#include <linux/in.h>
-#include <linux/if.h>
-#include <linux/icmp.h>
-#include <linux/tcp.h>
-#include <linux/udp.h>
-#include <linux/types.h>
-#include <linux/in6.h>
-#endif
 #endif
--- a/include/linux/netfilter_ipv4/ip_tables.h
+++ b/include/linux/netfilter_ipv4/ip_tables.h
@@ -16,6 +16,7 @@
 #define _IPTABLES_H
 
 #include <linux/types.h>
+#include <sys/types.h>
 
 #include <linux/netfilter_ipv4.h>
 
--- a/iptables/ip6tables-restore.c
+++ b/iptables/ip6tables-restore.c
@@ -9,7 +9,7 @@
  */
 
 #include <getopt.h>
-#include <sys/errno.h>
+#include <errno.h>
 #include <stdbool.h>
 #include <string.h>
 #include <stdio.h>
--- a/iptables/ip6tables-save.c
+++ b/iptables/ip6tables-save.c
@@ -6,7 +6,7 @@
  * This code is distributed under the terms of GNU GPL v2
  */
 #include <getopt.h>
-#include <sys/errno.h>
+#include <errno.h>
 #include <stdio.h>
 #include <fcntl.h>
 #include <stdlib.h>
--- a/iptables/iptables-restore.c
+++ b/iptables/iptables-restore.c
@@ -6,7 +6,7 @@
  */
 
 #include <getopt.h>
-#include <sys/errno.h>
+#include <errno.h>
 #include <stdbool.h>
 #include <string.h>
 #include <stdio.h>
--- a/iptables/iptables-save.c
+++ b/iptables/iptables-save.c
@@ -6,7 +6,7 @@
  *
  */
 #include <getopt.h>
-#include <sys/errno.h>
+#include <errno.h>
 #include <stdio.h>
 #include <fcntl.h>
 #include <stdlib.h>
--- a/iptables/iptables-xml.c
+++ b/iptables/iptables-xml.c
@@ -7,7 +7,7 @@
  */
 
 #include <getopt.h>
-#include <sys/errno.h>
+#include <errno.h>
 #include <string.h>
 #include <stdio.h>
 #include <stdlib.h>
