--- config.tests/unix/nis/nis.pro.orig	2019-04-18 17:32:07.000000000 -0700
+++ config.tests/unix/nis/nis.pro	2019-04-18 17:32:56.000000000 -0700
@@ -1,4 +1,5 @@
 SOURCES = nis.cpp
 CONFIG -= qt dylib
+QMAKE_CXXFLAGS += -DBOOL_DEFINED
 solaris-*:LIBS += -lnsl
 else:LIBS += $$QMAKE_LIBS_NIS