PREFERRED_PROVIDER_udev ?= "${@bb.utils.contains('DISTRO_FEATURES','systemd','systemd','udev',d)}"
# There are issues with runtime packages and PREFERRED_PROVIDER, see YOCTO #5044 for details
# on this rather strange entry.
-PREFERRED_PROVIDER_bluez4 ?= "bluez4"
+PREFERRED_PROVIDER_bluez4 ?= "${@bb.utils.contains('DISTRO_FEATURES','bluetooth bluez5','bluez5','bluez4',d)}"
PREFERRED_PROVIDER_bluez-hcidump ?= "${@bb.utils.contains('DISTRO_FEATURES','bluetooth bluez5','bluez5','bluez-hcidump',d)}"
# Alternative is ltp-ddt in meta-oe: meta-oe/recipes-devtools/ltp-ddt/ltp-ddt_0.0.4.bb
PREFERRED_PROVIDER_ltp ?= "ltp"