From: Greg Hudson <ghudson@mit.edu>
Date: Fri, 20 Dec 2019 21:26:22 +0000 (-0500)
Subject: Make IPv6 pktinfo work on macOS
X-Git-Tag: krb5-1.18-beta1~12
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=253e4459f4e4c9239e7a129bab4257f077d7bb94;p=thirdparty%2Fkrb5.git

Make IPv6 pktinfo work on macOS

Define __APPLE_USE_RFC_3542 to expose the definition of IPV6_PKTINFO
on macOS.

ticket: 8349
---

diff --git a/src/lib/apputils/udppktinfo.c b/src/lib/apputils/udppktinfo.c
index c096c12b7e..9a06ae8a03 100644
--- a/src/lib/apputils/udppktinfo.c
+++ b/src/lib/apputils/udppktinfo.c
@@ -23,6 +23,9 @@
  * or implied warranty.
  */
 
+/* macOS requires this define for IPV6_PKTINFO. */
+#define __APPLE_USE_RFC_3542
+
 #include "udppktinfo.h"
 
 #include <netinet/in.h>