FILESEXTRAPATHS:prepend := "${THISDIR}/linux:" # Enable SMACK support without making it the default explicitly. AGL_KCONFIG_FRAGMENTS += "smack.cfg" # Enable SMACK as default LSM, can be overridden by changing this # variable to e.g. "". # # NOTE: # We use a different fragment for kernels older than 5.x that predate # the switch to using CONFIG_LSM instead of CONFIG_DEFAULT_SECURITY. # For simplicity, logic to handle the change being made in 5.1 instead # of 5.0 has been omitted; in practice this should not be a problem # since no current BSPs have been seen that use 5.0.x. If a BSP # kernel recipe does not set LINUX_VERSION, the kernel being 5.x or # newer is assumed as the default behavior. LINUX_VERSION_MAJOR = "${@(d.getVar('LINUX_VERSION') or "5.x").split('.')[0]}" SMACK_DEFAULT_SUFFIX = "${@'' if int(d.getVar('LINUX_VERSION_MAJOR') or 0) >= 5 else '-old'}" SMACK_DEFAULT_SECURITY ??= "smack-default-lsm${SMACK_DEFAULT_SUFFIX}.cfg" AGL_KCONFIG_FRAGMENTS += "${SMACK_DEFAULT_SECURITY}" # Enable audit support AGL_KCONFIG_FRAGMENTS += "audit.cfg"