Index: crypto.prf.cmake
===================================================================
--- crypto.prf.cmake
+++ crypto.prf.cmake
@@ -3,6 +3,11 @@
 
 CONFIG *= qt
 
+IS_MINMAX_FUNCTION = @MINMAX_ARE_FUNCTIONS@
+isEmpty(IS_MINMAX_FUNCTION) {
+	DEFINES *= NOMINMAX
+}
+
 LINKAGE =
 
 exists($$QCA_LIBDIR/qca.framework) {