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# ==========================================================================
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# Cleaning up
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# ==========================================================================
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src := $(obj)
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PHONY := __clean
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__clean:
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include scripts/Kbuild.include
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# The filename Kbuild has precedence over Makefile
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kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
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include $(if $(wildcard $(kbuild-dir)/Kbuild), $(kbuild-dir)/Kbuild, $(kbuild-dir)/Makefile)
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# Figure out what we need to build from the various variables
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# ==========================================================================
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__subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y)))
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subdir-y += $(__subdir-y)
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__subdir-m := $(patsubst %/,%,$(filter %/, $(obj-m)))
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subdir-m += $(__subdir-m)
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__subdir- := $(patsubst %/,%,$(filter %/, $(obj-)))
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subdir- += $(__subdir-)
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# Subdirectories we need to descend into
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subdir-ym := $(sort $(subdir-y) $(subdir-m))
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subdir-ymn := $(sort $(subdir-ym) $(subdir-))
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# Add subdir path
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subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn))
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# Temporal work-around for U-Boot
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subdir-ymn := $(foreach f, $(subdir-ymn), \
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$(if $(wildcard $(srctree)/$f/Makefile),$f))
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# build a list of files to remove, usually relative to the current
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# directory
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__clean-files := $(extra-y) $(extra-m) $(extra-) \
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|
$(always) $(targets) $(clean-files) \
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|
$(host-progs) \
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$(hostprogs-y) $(hostprogs-m) $(hostprogs-)
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|
__clean-files := $(filter-out $(no-clean-files), $(__clean-files))
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|
|
# clean-files is given relative to the current directory, unless it
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|
|
# starts with $(objtree)/ (which means "./", so do not add "./" unless
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|
|
# you want to delete a file from the toplevel object directory).
|
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|
|
__clean-files := $(wildcard \
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|
|
$(addprefix $(obj)/, $(filter-out $(objtree)/%, $(__clean-files))) \
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|
|
$(filter $(objtree)/%, $(__clean-files)))
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|
|
# same as clean-files
|
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|
|
__clean-dirs := $(wildcard \
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|
|
$(addprefix $(obj)/, $(filter-out $(objtree)/%, $(clean-dirs))) \
|
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|
|
$(filter $(objtree)/%, $(clean-dirs)))
|
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|
|
|
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|
|
# ==========================================================================
|
|
|
|
|
|
|
|
|
|
quiet_cmd_clean = CLEAN $(obj)
|
|
|
|
|
cmd_clean = rm -f $(__clean-files)
|
|
|
|
|
quiet_cmd_cleandir = CLEAN $(__clean-dirs)
|
|
|
|
|
cmd_cleandir = rm -rf $(__clean-dirs)
|
|
|
|
|
|
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|
|
|
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|
|
__clean: $(subdir-ymn)
|
|
|
|
|
ifneq ($(strip $(__clean-files)),)
|
|
|
|
|
+$(call cmd,clean)
|
|
|
|
|
endif
|
|
|
|
|
ifneq ($(strip $(__clean-dirs)),)
|
|
|
|
|
+$(call cmd,cleandir)
|
|
|
|
|
endif
|
|
|
|
|
@:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# ===========================================================================
|
|
|
|
|
# Generic stuff
|
|
|
|
|
# ===========================================================================
|
|
|
|
|
|
|
|
|
|
# Descending
|
|
|
|
|
# ---------------------------------------------------------------------------
|
|
|
|
|
|
|
|
|
|
PHONY += $(subdir-ymn)
|
|
|
|
|
$(subdir-ymn):
|
|
|
|
|
$(Q)$(MAKE) $(clean)=$@
|
|
|
|
|
|
|
|
|
|
# Declare the contents of the .PHONY variable as phony. We keep that
|
|
|
|
|
# information in a variable se we can use it in if_changed and friends.
|
|
|
|
|
|
|
|
|
|
.PHONY: $(PHONY)
|
