“Call Me by Your Name” (Sony Pictures Classics), gay director Luca Guadagnino’s movie adaptation of Andre Aciman’s 2007 novel of the same name, with a screenplay by gay filmmaker James Ivory, couldn’t have come at a more complicated time. There’s no way to avoid the fact that the film’s central story – a sexual and romantic relationship between two young men, ages 17 and 24, is the kind of thing that keeps evangelicals up at night.