Workaround qt5.13 bug

CMakeLists.txt

@@ -78,7 +78,12 @@ configure_file(config-enterprise.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/src/config-
 ########### Targets ###########
 
 
-add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0x060000)
+# workaround for https://bugreports.qt.io/browse/QTBUG-74665 (bug in qt5.13 reevaluate it)
+if (${Qt5Widgets_VERSION} STRGREATER "5.13")
+   MESSAGE(STATUS "Qt version: ${Qt5Widgets_VERSION} DISABLE compile without deprecated methods. bug QTBUG-74665")
+else()
+   add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0x060000)
+endif()
 ########### CMake Config Files ###########
 set(CMAKECONFIG_INSTALL_DIR "${KDE_INSTALL_CMAKEPACKAGEDIR}/KF5IncidenceEditor")