include/uapi/linux/netfilter_ipv4/Kbuild - kernel/bruno - Git at Google

 # UAPI Header export list
 header-y += ip_tables.h
 header-y += ipt_CLUSTERIP.h
 header-y += ipt_ECN.h
 header-y += ipt_LOG.h
 header-y += ipt_REJECT.h
 header-y += ipt_TTL.h
 header-y += ipt_ah.h
 header-y += ipt_ecn.h
 header-y += ipt_ttl.h
	# UAPI Header export list
	header-y += ip_tables.h
	header-y += ipt_CLUSTERIP.h
	header-y += ipt_ECN.h
	header-y += ipt_LOG.h
	header-y += ipt_REJECT.h
	header-y += ipt_TTL.h
	header-y += ipt_ah.h
	header-y += ipt_ecn.h
	header-y += ipt_ttl.h