diff --git a/security/smurflog/patches/patch-hash_c b/security/smurflog/patches/patch-hash_c
new file mode 100644
index 00000000000..5d621e2fc3d
--- /dev/null
+++ b/security/smurflog/patches/patch-hash_c
@@ -0,0 +1,11 @@
+$OpenBSD: patch-hash_c,v 1.1 2017/04/19 22:20:27 espie Exp $
+--- hash.c.orig	Thu Apr 20 00:18:07 2017
++++ hash.c	Thu Apr 20 00:18:20 2017
+@@ -31,6 +31,7 @@ void clear_hash(void)
+    memset(hashtable, 0, sizeof(hashtable));
+ }
+ 
++extern int unnamed(u_long);
+ inline int unnamed(u_long ip)
+ {
+    u_char hashval;
diff --git a/security/smurflog/patches/patch-smurflog_c b/security/smurflog/patches/patch-smurflog_c
new file mode 100644
index 00000000000..6c53a77b102
--- /dev/null
+++ b/security/smurflog/patches/patch-smurflog_c
@@ -0,0 +1,34 @@
+$OpenBSD: patch-smurflog_c,v 1.1 2017/04/19 22:20:27 espie Exp $
+--- smurflog.c.orig	Thu Apr 20 00:15:03 2017
++++ smurflog.c	Thu Apr 20 00:15:59 2017
+@@ -46,6 +46,7 @@ void usage(char *progname)
+    exit(1);
+ }
+ 
++extern void log(char *format, ...);
+ inline void log(char *format, ...)
+ {
+    va_list args;
+@@ -68,7 +69,7 @@ inline void log(char *format, ...)
+    va_end(args);
+ }
+ 
+-inline RETSIGTYPE alarm_handler(int status)
++RETSIGTYPE alarm_handler(int status)
+ {
+    if (!smurfmode) {
+       if (kbps >= THRESHOLD_KBPS && pps >= THRESHOLD_PPS) {
+@@ -163,11 +164,13 @@ inline void handlepkt(const u_char *packet)
+ 	num, inet_ntoa(*((struct in_addr *) &srcip)), ntohs(length));
+ }
+ 
++extern void eth_printer(u_char *, const struct pcap_pkthdr *, const u_char *);
+ inline void eth_printer(u_char *user, const struct pcap_pkthdr *h, const u_char *p)
+ {
+    handlepkt(p+14);
+ }
+ 
++extern void ppp_printer(u_char *, const struct pcap_pkthdr *, const u_char *);
+ inline void ppp_printer(u_char *user, const struct pcap_pkthdr *h, const u_char *p)
+ {
+    handlepkt(p+4);