+#
+# 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 $(lttng_check_linux_version) file)
+endif
+endif
+
+obj-m += lttng-ring-buffer-client-discard.o
+obj-m += lttng-ring-buffer-client-overwrite.o
+obj-m += lttng-ring-buffer-metadata-client.o
+obj-m += lttng-ring-buffer-client-mmap-discard.o
+obj-m += lttng-ring-buffer-client-mmap-overwrite.o
+obj-m += lttng-ring-buffer-metadata-mmap-client.o
+
+obj-m += lttng-tracer.o
+lttng-tracer-objs := lttng-events.o lttng-abi.o \
+ lttng-probes.o lttng-context.o \
+ lttng-context-pid.o lttng-context-procname.o \
+ lttng-context-prio.o lttng-context-nice.o \
+ lttng-context-vpid.o lttng-context-tid.o \
+ lttng-context-vtid.o lttng-context-ppid.o \
+ lttng-context-vppid.o lttng-calibrate.o \
+ lttng-context-hostname.o wrapper/random.o \
+ probes/lttng.o wrapper/trace-clock.o
+
+obj-m += lttng-statedump.o
+lttng-statedump-objs := lttng-statedump-impl.o wrapper/irqdesc.o \
+ wrapper/fdtable.o
+
+ifneq ($(CONFIG_HAVE_SYSCALL_TRACEPOINTS),)
+lttng-tracer-objs += lttng-syscalls.o probes/lttng-probe-user.o
+endif # CONFIG_HAVE_SYSCALL_TRACEPOINTS
+
+ifneq ($(CONFIG_PERF_EVENTS),)
+lttng-tracer-objs += $(shell \
+ if [ $(VERSION) -ge 3 \
+ -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) -ge 4 \
+ -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 15 -a $(SUBLEVEL) -ge 0 \) ] ; then \
+ echo "lttng-tracepoint.o" ; fi;)