From e198fe833a161418517ec63db06a4528dedd3ec4 Mon Sep 17 00:00:00 2001
From: Simon Kelley <simon@thekelleys.org.uk>
Date: Thu, 22 Aug 2019 23:23:29 +0100
Subject: [PATCH] Compilation fix for MacOS.

Thanks to Pal Lockheart <ex@palx.org> for the original patch.
---
 src/config.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/config.h b/src/config.h
index 99b22eb..f93076d 100644
--- a/src/config.h
+++ b/src/config.h
@@ -273,11 +273,16 @@ HAVE_SOCKADDR_SA_LEN
 #define HAVE_BSD_NETWORK
 #define HAVE_GETOPT_LONG
 #define HAVE_SOCKADDR_SA_LEN
+#define NO_IPSET
 /* Define before sys/socket.h is included so we get socklen_t */
 #define _BSD_SOCKLEN_T_
 /* Select the RFC_3542 version of the IPv6 socket API. 
    Define before netinet6/in6.h is included. */
-#define __APPLE_USE_RFC_3542 
+#define __APPLE_USE_RFC_3542
+/* Required for Mojave. */
+#ifndef SOL_TCP
+#  define SOL_TCP IPPROTO_TCP
+#endif
 #define NO_IPSET
 
 #elif defined(__NetBSD__)