+# lock probe does not work, so disabling it for now
+#ifneq ($(CONFIG_LOCKDEP),)
+#obj-m += lttng-probe-lock.o
+#endif
+
+ifneq ($(CONFIG_BTRFS_FS),)
+btrfs_dep = $(srctree)/fs/btrfs/*.h
+btrfs = $(shell \
+ if [ $(VERSION) -ge 3 \
+ -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 39 \) ] ; then \
+ echo "lttng-probe-btrfs.o" ; fi;)
+ifneq ($(btrfs),)
+ifeq ($(wildcard $(btrfs_dep)),)
+$(warning Files $(btrfs_dep) not found. Probe "btrfs" is disabled. Use full kernel source tree to enable it.)
+btrfs =
+endif
+endif
+obj-m += $(btrfs)
+endif
+
+obj-m += $(shell \
+ if [ $(VERSION) -ge 3 \
+ -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 38 \) ] ; then \
+ echo "lttng-probe-compaction.o" ; fi;)
+
+ifneq ($(CONFIG_EXT4_FS),)
+ext4_dep = $(srctree)/fs/ext4/*.h
+ext4 = lttng-probe-ext4.o
+ifeq ($(wildcard $(ext4_dep)),)
+$(warning Files $(ext4_dep) not found. Probe "ext4" is disabled. Use full kernel source tree to enable it.)
+ext4 =
+endif
+obj-m += $(ext4)
+endif
+
+obj-m += $(shell \
+ if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 4 ] ; then \
+ echo "lttng-probe-printk.o" ; fi;)
+ifneq ($(CONFIG_FRAME_WARN),0)
+CFLAGS_lttng-probe-printk.o += -Wframe-larger-than=2200
+endif
+
+obj-m += $(shell \
+ if [ $(VERSION) -ge 4 \
+ -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 6 \) \
+ -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 5 -a $(SUBLEVEL) -ge 2 \) \
+ -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 4 -a $(SUBLEVEL) -ge 9 \) \
+ -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -eq 0 -a $(SUBLEVEL) -ge 41 \) ] ; then \
+ echo "lttng-probe-random.o" ; fi;)
+
+obj-m += $(shell \
+ if [ $(VERSION) -ge 4 \
+ -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
+ echo "lttng-probe-rcu.o" ; fi;)
+
+ifneq ($(CONFIG_REGMAP),)
+regmap_dep = $(srctree)/drivers/base/regmap/trace.h $(srctree)/include/trace/events/regmap.h
+ifneq ($(wildcard $(regmap_dep)),)
+obj-m += $(shell \
+ if [ $(VERSION) -ge 4 \
+ -o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 2 \) ] ; then \
+ echo "lttng-probe-regmap.o" ; fi;)
+else
+$(warning Either of files { $(regmap_dep) } not found. Probe "regmap" is disabled. Use full kernel source tree to enable it.)
+endif