ifeq ($(COMPUTE_HEADER_DEPENDENCIES),auto)
dep_check = $(shell $(CC) $(ALL_CFLAGS) \
- -c -MF /dev/null -MMD -MP -x c /dev/null -o /dev/null 2>&1; \
+ -c -MF /dev/null -MQ /dev/null -MMD -MP \
+ -x c /dev/null -o /dev/null 2>&1; \
echo $$?)
ifeq ($(dep_check),0)
override COMPUTE_HEADER_DEPENDENCIES = yes
missing_dep_dirs := $(filter-out $(wildcard $(dep_dirs)),$(dep_dirs))
dep_file = $(dir $@).depend/$(notdir $@).d
-dep_args = -MF $(dep_file) -MMD -MP
+dep_args = -MF $(dep_file) -MQ $@ -MMD -MP
ifdef CHECK_HEADER_DEPENDENCIES
$(error cannot compute header dependencies outside a normal build. \
Please unset CHECK_HEADER_DEPENDENCIES and try again)