Tejas Dinkar wrote: > On Fri, 10 Apr 2009, Kevin Kofler sent out 0.6K bytes to say: >> If this was built against Qt 4.5 (and most likely it was), it cannot go >> stable before Qt 4.5 does! > > I didn't hard code any Qt dependency, so is there a chance it will work > with both versions of Qt? Qt is generally only forward compatible, stuff built against qt-4.X generally need >= qt-4.X So... Tejas, I'd suggest in your case to add the following to your .spec file: Requires: qt4 >= %{_qt4_version} to enforce that the users have installed at least the version of qt that the app was built on/for. -- Rex