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