--- netperf-2.7.0-orig/src/nettest_omni.c	Thu May 21 17:32:44 2015
+++ netperf-2.7.0/src/nettest_omni.c	Mon Oct  5 15:36:53 2015
@@ -73,6 +73,10 @@
 #include <assert.h>
 
 #ifndef WIN32
+#ifdef __sun
+#define _XPG4_2
+#define __EXTENSIONS__
+#endif /* __sun */
 #include <sys/socket.h>
 #include <netinet/in.h>