Eric Lee / smarc-fsl-linux-kernel

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scripts/Makefile.clean 2.15 KB
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d7d243b52   Eric Lee   SMARC-iMX8MQ Linu... 
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  # 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	:= $(extra-y) $(extra-m) $(extra-)       \
  		   $(always) $(targets) $(clean-files)   \
  		   $(hostprogs-y) $(hostprogs-m) $(hostprogs-) \
  		   $(hostlibs-y) $(hostlibs-m) $(hostlibs-) \
  		   $(hostcxxlibs-y) $(hostcxxlibs-m)
  
  __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)