From 8b2a1ea49498e9a0b6df96c5017583ff8a1d199c Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Tue, 9 Aug 2016 01:32:48 +0200
Subject: ratelimiter: hard-depend on runtime dependencies

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
---
 src/ratelimiter.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/ratelimiter.c')

diff --git a/src/ratelimiter.c b/src/ratelimiter.c
index ab366d2..042ae34 100644
--- a/src/ratelimiter.c
+++ b/src/ratelimiter.c
@@ -6,6 +6,13 @@
 #include <net/ip.h>
 #include <linux/module.h>
 
+#if !IS_ENABLED(CONFIG_NETFILTER_XT_MATCH_HASHLIMIT)
+#error "WireGuard requires CONFIG_NETFILTER_XT_MATCH_HASHLIMIT."
+#endif
+#if IS_ENABLED(CONFIG_IPV6) && !IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
+#error "WireGuard requires CONFIG_IP6_NF_IPTABLES when using CONFIG_IPV6."
+#endif
+
 enum {
 	RATELIMITER_PACKETS_PER_SECOND = 75,
 	RATELIMITER_PACKETS_BURSTABLE = 5
-- 
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