ifneq ($(KERNELRELEASE),)
ifneq ($(CONFIG_TRACEPOINTS),)
+KERNELDIR=${LTTNG_KERNELDIR}
+
+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
+
+include $(KBUILD_EXTMOD)/Makefile.ABI.workarounds
+
obj-m += lttng-ring-buffer-client-discard.o
obj-m += lttng-ring-buffer-client-overwrite.o
obj-m += lttng-ring-buffer-metadata-client.o
lttng-context-vpid.o lttng-context-tid.o \
lttng-context-vtid.o lttng-context-ppid.o \
lttng-context-vppid.o lttng-calibrate.o \
- lttng-context-hostname.o wrapper/random.o
+ lttng-context-hostname.o wrapper/random.o \
+ probes/lttng.o wrapper/trace-clock.o \
+ wrapper/page_alloc.o
obj-m += lttng-statedump.o
lttng-statedump-objs := lttng-statedump-impl.o wrapper/irqdesc.o \
ifneq ($(CONFIG_HAVE_SYSCALL_TRACEPOINTS),)
lttng-tracer-objs += lttng-syscalls.o probes/lttng-probe-user.o
-endif
+endif # CONFIG_HAVE_SYSCALL_TRACEPOINTS
ifneq ($(CONFIG_PERF_EVENTS),)
lttng-tracer-objs += $(shell \
if [ $(VERSION) -ge 3 \
- -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 34 \) ] ; then \
+ -o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 33 \) ] ; then \
echo "lttng-context-perf-counters.o" ; fi;)
-endif
+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;)
obj-m += probes/
obj-m += lib/
-endif
+endif # CONFIG_TRACEPOINTS
-else
+else # KERNELRELEASE
KERNELDIR ?= /lib/modules/$(shell uname -r)/build
PWD := $(shell pwd)
CFLAGS = $(EXTCFLAGS)
default:
- $(MAKE) -C $(KERNELDIR) M=$(PWD) modules
+ LTTNG_KERNELDIR=$(KERNELDIR) $(MAKE) -C $(KERNELDIR) M=$(PWD) modules
modules_install:
- $(MAKE) -C $(KERNELDIR) M=$(PWD) modules_install
+ LTTNG_KERNELDIR=$(KERNELDIR) $(MAKE) -C $(KERNELDIR) M=$(PWD) modules_install
clean:
- $(MAKE) -C $(KERNELDIR) M=$(PWD) clean
+ LTTNG_KERNELDIR=$(KERNELDIR) $(MAKE) -C $(KERNELDIR) M=$(PWD) clean
%.i: %.c
- $(MAKE) -C $(KERNELDIR) M=$(PWD) $@
-endif
+ LTTNG_KERNELDIR=$(KERNELDIR) $(MAKE) -C $(KERNELDIR) M=$(PWD) $@
+endif # KERNELRELEASE