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	A general best practice for SPDX is that Makefiles should have an identifier, add these as everything else is currently covered. Signed-off-by: Tom Rini <trini@konsulko.com>
		
			
				
	
	
		
			100 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Makefile
		
	
	
	
	
	
			
		
		
	
	
			100 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Makefile
		
	
	
	
	
	
| # ==========================================================================
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| # Cleaning up
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| # ==========================================================================
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| #
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| # SPDX-License-Identifier:	GPL-2.0
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| #
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| 
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| src := $(obj)
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| 
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| PHONY := __clean
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| __clean:
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| 
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| include scripts/Kbuild.include
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| 
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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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| 
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| # Figure out what we need to build from the various variables
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| # ==========================================================================
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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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| 
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| # Subdirectories we need to descend into
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| 
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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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| 
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| # Add subdir path
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| 
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| subdir-ymn	:= $(addprefix $(obj)/,$(subdir-ymn))
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| 
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| # Temporal work-around for U-Boot
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| 
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| subdir-ymn	:= $(foreach f, $(subdir-ymn), \
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| 				$(if $(wildcard $(srctree)/$f/Makefile),$f))
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| 
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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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| 
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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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| 
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| __clean-files   := $(filter-out $(no-clean-files), $(__clean-files))
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| 
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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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| 
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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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| 
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| # same as clean-files
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| 
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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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| # ==========================================================================
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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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| 
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| 
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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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| 
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| # ===========================================================================
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| # Generic stuff
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| # ===========================================================================
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| 
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| # Descending
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| # ---------------------------------------------------------------------------
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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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| 
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| # Declare the contents of the .PHONY variable as phony.  We keep that
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| # information in a variable se we can use it in if_changed and friends.
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| 
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| .PHONY: $(PHONY)
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