# SPDX-License-Identifier: GPL-2.0
# ==========================================================================
# Cleaning up
# ==========================================================================
src := $(obj)
PHONY := __clean
__clean:
include scripts/Kbuild.include
# The filename Kbuild has precedence over Makefile
kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
include $(if $(wildcard $(kbuild-dir)/Kbuild), $(kbuild-dir)/Kbuild, $(kbuild-dir)/Makefile)
# Figure out what we need to build from the various variables
# ==========================================================================
subdir-ymn := $(sort $(subdir-y) $(subdir-m) $(subdir-) \
$(patsubst %/,%, $(filter %/, $(obj-y) $(obj-m) $(obj-))))
# Add subdir path
subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn))
# build a list of files to remove, usually relative to the current
# directory
__clean-files := \
$(clean-files) $(targets) $(hostprogs) $(userprogs) \
$(extra-y) $(extra-m) $(extra-) \
$(always-y) $(always-m) $(always-) \
$(hostprogs-always-y) $(hostprogs-always-m) $(hostprogs-always-) \
$(userprogs-always-y) $(userprogs-always-m) $(userprogs-always-)
__clean-files := $(filter-out $(no-clean-files), $(__clean-files))
# 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)))
# ==========================================================================
quiet_cmd_clean = CLEAN $(obj)
cmd_clean = rm -rf $(__clean-files)
__clean: $(subdir-ymn)
ifneq ($(strip $(__clean-files)),)
$(call cmd,clean)
endif
@:
# ===========================================================================
# Generic stuff
# ===========================================================================
# Descending
# ---------------------------------------------------------------------------
PHONY += $(subdir-ymn)
$(subdir-ymn):
$(Q)$(MAKE) $(clean)=$@
.PHONY: $(PHONY)
