$OpenBSD: patch-config_tests_unix_nis_nis_cpp,v 1.5 2017/04/27 17:32:19 espie Exp $
--- config.tests/unix/nis/nis.cpp.orig	Thu May  7 16:14:42 2015
+++ config.tests/unix/nis/nis.cpp	Thu Apr 27 19:30:31 2017
@@ -39,6 +39,7 @@
 **
 ****************************************************************************/
 
+#define BOOL_DEFINED
 #include <sys/types.h>
 #include <rpc/rpc.h>
 #include <rpcsvc/ypclnt.h>
