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# SPDX-License-Identifier: GPL-2.0
# ==========================================================================
# Cleaning up
# ==========================================================================

src := $(obj)

# shortcuts
srcdir := $(srctree)/$(src)

clean::

include $(srctree)/scripts/Kbuild.include

include $(src)/Makefile

# Figure out what we need to clean from the various variables
# ==========================================================================
subdir-all := $(subdir-y) $(subdir-n) $(subdir-) \
              $(patsubst %/,%, $(filter %/, $(obj-y) $(obj-n) $(obj-)))

subdir-all := $(addprefix $(obj)/,$(subdir-all))

__clean-files := \
    $(clean-files) $(hostprogs-y) $(hostprogs-) \
    $(extra-y) $(extra-) $(targets) \
    $(hostprogs-always-y) $(hostprogs-always-)

# clean-files is given relative to the current directory, unless it
# starts with $(objtree)/ (which means "./", so do not add "./" unless
# you want to delete a file from the toplevel object directory).

__clean-files := $(wildcard \
		   $(addprefix $(obj)/, $(filter-out /% $(objtree)/%, $(__clean-files))) \
		   $(filter /% $(objtree)/%, $(__clean-files)))

.PHONY: clean
clean:: $(subdir-all)
ifneq ($(strip $(__clean-files)),)
	rm -rf $(__clean-files)
endif
	@:

# Descending
# ---------------------------------------------------------------------------

PHONY += $(subdir-all)
$(subdir-all):
	$(Q)$(MAKE) $(clean)=$@

.PHONY: $(PHONY)