+
+ifdef CONFIG_LOCALVERSION # Check if dot-config is included.
+ifeq ($(CONFIG_TRACEPOINTS),)
+$(error The option CONFIG_TRACEPOINTS needs to be enabled in your kernel configuration)
+endif # CONFIG_TRACEPOINTS
+endif # ifdef CONFIG_LOCALVERSION
+
+KERNELDIR = ${LTTNG_KERNELDIR}
+MAKEFILEDIR = $(shell dirname $(lastword $(MAKEFILE_LIST)))