Make it compile without deprecated method

CMakeLists.txt

@@ -47,7 +47,7 @@ find_package(KF5IdentityManagement ${IDENTITYMANAGER_LIB_VERSION} CONFIG REQUIRE
 find_package(KF5CalendarUtils ${CALENDARUTILS_LIB_VERSION} CONFIG REQUIRED)
 
 add_definitions(-DQT_NO_FOREACH)
-
+add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0x060000)
 ########### Targets ###########
 
 add_subdirectory(src)

autotests/kadatetimetest.cpp

@@ -1655,7 +1655,7 @@ void KADateTimeTest::set()
     // time_t
     utcd = KADateTime(QDate(2005, 6, 6), QTime(12, 15, 20), KADateTime::UTC);
     QDateTime qtt = utcd.qDateTime();
-    uint secs = qtt.toTime_t();
+    uint secs = qtt.toSecsSinceEpoch();
     KADateTime tt;
     tt.setTime_t(static_cast<qint64>(secs));
     QVERIFY(tt.isUtc());

src/kadatetime.cpp

@@ -1146,7 +1146,7 @@ uint KADateTime::toTime_t() const
     const QDateTime qdt = d->toUtc(local);
     if (!qdt.isValid())
         return uint(-1);
-    return qdt.toTime_t();
+    return qdt.toSecsSinceEpoch();
 }
 
 void KADateTime::setTime_t(qint64 seconds)