-WESTON_DISPLAYS_append = "${@bb.utils.contains("DISTRO_FEATURES", "weston-remoting", " remote-output", "", d)}"
+WESTON_DISPLAYS:append = "${@bb.utils.contains("DISTRO_FEATURES", "weston-remoting", " remote-output", "", d)}"
+WESTON_DISPLAYS:append = "${@bb.utils.contains("AGL_FEATURES", "waltham-remoting", " transmitter-output", "", d)}"