From 791271866423ed36f587e4268f327cca73cafc16 Mon Sep 17 00:00:00 2001
From: Michael Davidsaver <mdavidsaver@gmail.com>
Date: Mon, 2 Jul 2018 15:32:00 -0700
Subject: [PATCH] discoverInterfaces() compat RTEMS

---
 src/utils/inetAddressUtil.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/utils/inetAddressUtil.cpp b/src/utils/inetAddressUtil.cpp
index a50741f..3f7a43e 100644
--- a/src/utils/inetAddressUtil.cpp
+++ b/src/utils/inetAddressUtil.cpp
@@ -20,6 +20,12 @@
 #define epicsExportSharedSymbols
 #include <pv/inetAddressUtil.h>
 
+// RTEMS 4.9 doesn't define this, but does implement SIOCGIFNETMASK
+// and stores under the ifr_addr union member.
+#ifndef ifr_netmask
+#  define ifr_netmask ifr_addr
+#endif
+
 using namespace std;
 using namespace epics::pvData;