--- misc/bxhub.cc.orig	2020-02-16 16:03:03.000000000 -0500
+++ misc/bxhub.cc	2020-02-16 16:02:01.000000000 -0500
@@ -55,6 +55,8 @@
 #define BXHUB
 #endif
 
+#define MSG_NOSIGNAL 0
+
 #ifdef WIN32
 #define MSG_NOSIGNAL 0
 #define MSG_DONTWAIT 0
