endif # CONFIG_KRETPROBES
ifneq ($(CONFIG_DYNAMIC_FTRACE),)
- ftrace_dep = $(srctree)/kernel/trace/trace.h
- ftrace_dep_check = $(wildcard $(ftrace_dep))
- ftrace = $(shell \
- if [ $(VERSION) -ge 5 -o \( $(VERSION) -eq 4 -a $(PATCHLEVEL) -ge 12 \) ] ; then \
- if [ -z "$(ftrace_dep_check)" ] ; then \
- echo "warn" ; \
- exit ; \
- fi; \
- echo "lttng-ftrace.o" ; \
- fi;)
- ifeq ($(ftrace),warn)
+ ifeq ($(have_ftrace_header),yes)
+ obj-$(CONFIG_LTTNG) += lttng-ftrace.o
+ else
$(warning Files $(ftrace_dep) not found. Probe "ftrace" is disabled. Use full kernel source tree to enable it.)
- ftrace =
- endif # $(ftrace),warn
- obj-$(CONFIG_LTTNG) += $(ftrace)
+ endif
endif # CONFIG_DYNAMIC_FTRACE
# vim:syntax=make