-DEFINES *= QT_NO_DEBUG_OUTPUT
-DEFINES *= QT_USE_QSTRINGBUILDER
-DEFINES *= QT_STRICT_ITERATORS
+CONFIG -= debug_and_release
+CONFIG(debug, debug|release): {
+ message(Building for debug)
+}
+CONFIG(release, debug|release): {
+ message(Building for release)
+ DEFINES *= QT_NO_DEBUG_OUTPUT
+}
+
+DEFINES *= QT_USE_QSTRINGBUILDER QT_STRICT_ITERATORS QT_DEPRECATED_WARNINGS