ifneq ($(KERNELRELEASE),)
ifneq ($(CONFIG_TRACEPOINTS),)
-KERNELDIR=${LTTNG_KERNELDIR}
+KERNELDIR = ${LTTNG_KERNELDIR}
+MAKEFILEDIR = $(shell dirname $(lastword $(MAKEFILE_LIST)))
lttng_check_linux_version = $(shell pwd)/include/linux/version.h
lttng_check_generated_linux_version = $(shell pwd)/include/generated/uapi/linux/version.h
+
#
# Check for stale version.h, which can be a leftover from an old Linux
# kernel tree moved to a newer kernel version, only pruned by make
endif
endif
-include $(KBUILD_EXTMOD)/Makefile.ABI.workarounds
+include $(MAKEFILEDIR)/Makefile.ABI.workarounds
obj-m += lttng-ring-buffer-client-discard.o
obj-m += lttng-ring-buffer-client-overwrite.o