Index: x11/lib/ICE/Makefile
===================================================================
RCS file: /cvsroot/src/x11/lib/ICE/Attic/Makefile,v
retrieving revision 1.2
diff -p -u -u -r1.2 Makefile
--- x11/lib/ICE/Makefile	13 Sep 2003 20:18:43 -0000	1.2
+++ x11/lib/ICE/Makefile	7 Mar 2017 07:07:28 -0000
@@ -25,6 +25,7 @@ CPPFLAGS.listenwk.c=	$(TRANS_INCLUDES) $
 CPPFLAGS.misc.c=	$(TRANS_INCLUDES) $(CONN_DEFINES)
 CPPFLAGS.shutdown.c=	$(TRANS_INCLUDES) $(CONN_DEFINES)
 CPPFLAGS.transport.c=	$(TRANS_INCLUDES) $(CONN_DEFINES) $(SOCK_DEFINES)
+CPPFLAGS+=		-DHAVE_ARC4RANDOM_BUF
 
 .include <bsd.x11.mk>
 .include <bsd.lib.mk>