Eric Lee / smarc-uboot

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scripts/Makefile.clean 3 KB
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d41ce506b   Eric Lee   Initial Release, ... 
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  # ==========================================================================
  # Cleaning up
  # ==========================================================================
  #
  # SPDX-License-Identifier:	GPL-2.0
  #
  
  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-y	:= $(patsubst %/,%,$(filter %/, $(obj-y)))
  subdir-y	+= $(__subdir-y)
  __subdir-m	:= $(patsubst %/,%,$(filter %/, $(obj-m)))
  subdir-m	+= $(__subdir-m)
  __subdir-	:= $(patsubst %/,%,$(filter %/, $(obj-)))
  subdir-		+= $(__subdir-)
  
  # Subdirectories we need to descend into
  
  subdir-ym	:= $(sort $(subdir-y) $(subdir-m))
  subdir-ymn      := $(sort $(subdir-ym) $(subdir-))
  
  # Add subdir path
  
  subdir-ymn	:= $(addprefix $(obj)/,$(subdir-ymn))
  
  # Temporal work-around for U-Boot
  
  subdir-ymn	:= $(foreach f, $(subdir-ymn), \
  				$(if $(wildcard $(srctree)/$f/Makefile),$f))
  
  # build a list of files to remove, usually relative to the current
  # directory
  
  __clean-files	:= $(extra-y) $(extra-m) $(extra-)       \
  		   $(always) $(targets) $(clean-files)   \
  		   $(host-progs)                         \
  		   $(hostprogs-y) $(hostprogs-m) $(hostprogs-)
  
  __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)))
  
  # same as clean-files
  
  __clean-dirs    := $(wildcard                                               \
  		   $(addprefix $(obj)/, $(filter-out $(objtree)/%, $(clean-dirs)))    \
  		   $(filter $(objtree)/%, $(clean-dirs)))
  
  # ==========================================================================
  
  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
  	@:
  
  
  # ===========================================================================
  # 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)