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scripts/Makefile.clean
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# SPDX-License-Identifier: GPL-2.0 |
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# ========================================================================== # Cleaning up # ========================================================================== src := $(obj) PHONY := __clean __clean: |
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include scripts/Kbuild.include |
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# 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-y := $(patsubst %/,%,$(filter %/, $(obj-y))) subdir-y += $(__subdir-y) __subdir-m := $(patsubst %/,%,$(filter %/, $(obj-m))) subdir-m += $(__subdir-m) |
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__subdir- := $(patsubst %/,%,$(filter %/, $(obj-))) subdir- += $(__subdir-) # Subdirectories we need to descend into subdir-ym := $(sort $(subdir-y) $(subdir-m)) |
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subdir-ymn := $(sort $(subdir-ym) $(subdir-)) |
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# Add subdir path 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), \ $(if $(wildcard $(srctree)/$f/Makefile),$f)) |
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# build a list of files to remove, usually relative to the current # directory |
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__clean-files := $(extra-y) $(extra-m) $(extra-) \ $(always) $(targets) $(clean-files) \ |
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$(host-progs) \ $(hostprogs-y) $(hostprogs-m) $(hostprogs-) __clean-files := $(filter-out $(no-clean-files), $(__clean-files)) |
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# 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). |
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__clean-files := $(wildcard \ |
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$(addprefix $(obj)/, $(filter-out $(objtree)/%, $(__clean-files))) \ $(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))) \ $(filter $(objtree)/%, $(clean-dirs))) |
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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) __clean: $(subdir-ymn) ifneq ($(strip $(__clean-files)),) +$(call cmd,clean) endif ifneq ($(strip $(__clean-dirs)),) +$(call cmd,cleandir) endif |
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@: # =========================================================================== # Generic stuff # =========================================================================== # Descending # --------------------------------------------------------------------------- PHONY += $(subdir-ymn) $(subdir-ymn): $(Q)$(MAKE) $(clean)=$@ |
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# 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) |