ifneq ($(KERNELRELEASE),)
ifneq ($(CONFIG_TRACEPOINTS),)
+lttng_check_linux_version = $(shell pwd)/include/linux/version.h
+lttng_check_generated_linux_version = $(shell pwd)/include/generated/uapi/linux/version.h
+
+#
+# Check for stale version.h, which can be a leftover from an old Linux
+# kernel tree moved to a newer kernel version, only pruned by make
+# distclean.
+#
+ifneq ($(wildcard $(lttng_check_linux_version)),)
+ifneq ($(wildcard $(lttng_check_generated_linux_version)),)
+$(error Duplicate version.h files found in $(lttng_check_linux_version) and $(lttng_check_generated_linux_version). Consider running make distclean on your kernel, or removing the stale $(lttng_check_linux_version) file)
+endif
+endif
+
obj-m += lttng-ring-buffer-client-discard.o
obj-m += lttng-ring-buffer-client-overwrite.o
obj-m += lttng-ring-buffer-metadata-client.o
lttng-context-vpid.o lttng-context-tid.o \
lttng-context-vtid.o lttng-context-ppid.o \
lttng-context-vppid.o lttng-calibrate.o \
- lttng-context-hostname.o wrapper/random.o
+ lttng-context-hostname.o wrapper/random.o \
+ probes/lttng.o wrapper/trace-clock.o
obj-m += lttng-statedump.o
lttng-statedump-objs := lttng-statedump-impl.o wrapper/irqdesc.o \
ifneq ($(CONFIG_PERF_EVENTS),)
lttng-tracer-objs += $(shell \
if [ $(VERSION) -ge 3 \
- -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 34 \) ] ; then \
+ -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 33 \) ] ; then \
echo "lttng-context-perf-counters.o" ; fi;)
endif # CONFIG_PERF_EVENTS
+lttng-tracer-objs += $(shell \
+ if [ $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 15 -a $(SUBLEVEL) -ge 0 ] ; then \
+ echo "lttng-tracepoint.o" ; fi;)
+
obj-m += probes/
obj-m += lib/