--- /dev/null
+FILESEXTRAPATHS_prepend := "${THISDIR}/linux:"
+
+IS_KERNEL_RECIPE := "${@bb.data.inherits_class('kernel', d) and 'yes' or 'no'}"
+SMACK_KERNEL_SRC_URI_no = ""
+SMACK_KERNEL_SRC_URI_yes = ""
+
+# Kernel config fragment enabling Smack, without making it the default explicitly.
+SMACK_KERNEL_SRC_URI_yes += "file://smack.cfg"
+
+# When added, set Smack as the default LSM.
+SMACK_DEFAULT_SECURITY_CFG = "file://smack-default-lsm.cfg"
+# Add it by default, can be overridden by changing this variable here.
+SMACK_DEFAULT_SECURITY ??= "${SMACK_DEFAULT_SECURITY_CFG}"
+SMACK_KERNEL_SRC_URI_yes += " ${SMACK_DEFAULT_SECURITY}"
+
+# add audit.cfg
+SMACK_KERNEL_SRC_URI_yes += " file://audit.cfg"
+
+
+SRC_URI_append_with-lsm-smack = "${SMACK_KERNEL_SRC_URI_${IS_KERNEL_RECIPE}}"
+