91 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Makefile
		
	
	
	
	
	
			
		
		
	
	
			91 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Makefile
		
	
	
	
	
	
# SPDX-License-Identifier: GPL-2.0
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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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# 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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		   $(hostprogs-y) $(hostprogs-m) $(hostprogs-) \
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		   $(hostlibs-y) $(hostlibs-m) $(hostlibs-) \
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		   $(hostcxxlibs-y) $(hostcxxlibs-m)
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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)
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      cmd_clean    = rm -f $(__clean-files)
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quiet_cmd_cleandir = CLEAN   $(__clean-dirs)
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      cmd_cleandir = rm -rf $(__clean-dirs)
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__clean: $(subdir-ymn)
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ifneq ($(strip $(__clean-files)),)
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	+$(call cmd,clean)
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endif
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ifneq ($(strip $(__clean-dirs)),)
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	+$(call cmd,cleandir)
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endif
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	@:
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# ===========================================================================
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# Generic stuff
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# ===========================================================================
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# Descending
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# ---------------------------------------------------------------------------
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PHONY += $(subdir-ymn)
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$(subdir-ymn):
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	$(Q)$(MAKE) $(clean)=$@
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.PHONY: $(PHONY)
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