DEFAULTTUNE ?= "cortexm0" require conf/machine/include/arm/arch-armv6m.inc TUNEVALID[cortexm0] = "Enable Cortex-M0 specific processor optimizations" TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'cortexm0', ' -mcpu=cortex-m0', '', d)}" AVAILTUNES += "cortexm0" ARMPKGARCH:tune-cortexm0 = "cortexm0" TUNE_FEATURES:tune-cortexm0 = "${TUNE_FEATURES:tune-armv6m} cortexm0" PACKAGE_EXTRA_ARCHS:tune-cortexm0 = "${PACKAGE_EXTRA_ARCHS:tune-armv6m} cortexm0"