net-firewall/iptables: Fixed build with USE="-nftables"

Closes: https://bugs.gentoo.org/669486
Signed-off-by: Lars Wendler <polynomial-c@gentoo.org>
Package-Manager: Portage-2.3.51, Repoman-2.3.11

net-firewall/iptables/files/iptables-1.8.1-build_limit_without_libnftnl_fix.patch

@@ -0,0 +1,44 @@
+From b2fc2a368562d55fadad94d995247bb8cd7e68a3 Mon Sep 17 00:00:00 2001
+From: Florian Westphal <fw@strlen.de>
+Date: Wed, 24 Oct 2018 12:00:11 +0200
+Subject: extensions: limit: unbreak build without libnftnl
+
+Lars Wendler reported 1.8.1 build failure when trying to build without nft backend:
+
+  In file included from ../iptables/nft.h:5, from libxt_limit.c:18: libnftnl/rule.h: No such file or directory
+
+Reported-by: Lars Wendler <polynomial-c@gentoo.org>
+Fixes: 02b80972c43 ("ebtables: Merge libebt_limit.c into libxt_limit.c")
+Signed-off-by: Florian Westphal <fw@strlen.de>
+---
+ extensions/libxt_limit.c | 1 -
+ iptables/nft-bridge.h    | 1 +
+ 2 files changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/extensions/libxt_limit.c b/extensions/libxt_limit.c
+index c7b66295..1b324657 100644
+--- a/extensions/libxt_limit.c
++++ b/extensions/libxt_limit.c
+@@ -15,7 +15,6 @@
+ #include <xtables.h>
+ #include <linux/netfilter/x_tables.h>
+ #include <linux/netfilter/xt_limit.h>
+-#include "iptables/nft.h"
+ #include "iptables/nft-bridge.h"
+ 
+ #define XT_LIMIT_AVG	"3/hour"
+diff --git a/iptables/nft-bridge.h b/iptables/nft-bridge.h
+index 9d49ccbe..de52cd71 100644
+--- a/iptables/nft-bridge.h
++++ b/iptables/nft-bridge.h
+@@ -68,6 +68,7 @@ int ebt_get_mac_and_mask(const char *from, unsigned char *to, unsigned char *mas
+ #define EBT_VERDICT_BITS 0x0000000F
+ 
+ struct nftnl_rule;
++struct iptables_command_state;
+ 
+ static const char *ebt_standard_targets[NUM_STANDARD_TARGETS] = {
+ 	"ACCEPT",
+-- 
+cgit v1.2.1
+

net-firewall/iptables/iptables-1.8.1.ebuild

@@ -42,6 +42,8 @@ RDEPEND="${COMMON_DEPEND}
 "
 
 src_prepare() {
+	eapply "${FILESDIR}/${P}-build_limit_without_libnftnl_fix.patch" #669486
+
 	# use the saner headers from the kernel
 	rm -f include/linux/{kernel,types}.h