iptables: needs largefile support in toolchain

package/iptables/Config.in

@@ -1,6 +1,10 @@
 config BR2_PACKAGE_IPTABLES
 	bool "iptables"
+	depends on BR2_LARGEFILE
 	help
 	  Linux kernel (2.4+) firewall, NAT, and packet mangling tools.
 
 	  http://www.iptables.org/
+
+comment "iptables requires a toolchain with LARGEFILE support"
+        depends on !BR2_LARGEFILE