BOARD ??= ""
BOARD_VARIANT ??= ""

MACHINEOVERRIDES =. "${@['', '${BOARD}:']['${BOARD}' != '']}"
MACHINEOVERRIDES =. "${@['', '${BOARD}-${BOARD_VARIANT}:']['${BOARD_VARIANT}' != '']}"


BOARD_ARCH ?= "${BOARD}"
BOARDVARIANT_ARCH ?= "${@['${BOARD}-${BOARD_VARIANT}','${BOARD}'][d.getVar('BOARD_VARIANT')=='']}"

PACKAGE_EXTRA_ARCHS_append = " ${BOARD_ARCH}"
PACKAGE_EXTRA_ARCHS_append = "${@['', ' ${BOARDVARIANT_ARCH}'][d.getVar('BOARDVARIANT_ARCH') != d.getVar('BOARD_ARCH')]}"