1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0 2 # ============================================ 2 # ========================================================================== 3 # Cleaning up 3 # Cleaning up 4 # ============================================ 4 # ========================================================================== 5 5 6 src := $(if $(VPATH),$(VPATH)/)$(obj) !! 6 src := $(obj) 7 7 8 PHONY := __clean 8 PHONY := __clean 9 __clean: 9 __clean: 10 10 11 include $(srctree)/scripts/Kbuild.include 11 include $(srctree)/scripts/Kbuild.include 12 include $(kbuild-file) !! 12 >> 13 # The filename Kbuild has precedence over Makefile >> 14 kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src)) >> 15 include $(or $(wildcard $(kbuild-dir)/Kbuild),$(kbuild-dir)/Makefile) 13 16 14 # Figure out what we need to build from the va 17 # Figure out what we need to build from the various variables 15 # ============================================ 18 # ========================================================================== 16 19 17 subdir-ymn := $(sort $(subdir-y) $(subdir-m) $ 20 subdir-ymn := $(sort $(subdir-y) $(subdir-m) $(subdir-) \ 18 $(patsubst %/,%, $(filter %/, 21 $(patsubst %/,%, $(filter %/, $(obj-y) $(obj-m) $(obj-)))) 19 22 20 # Add subdir path 23 # Add subdir path 21 24 22 subdir-ymn := $(addprefix $(obj)/,$(subdi 25 subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn)) 23 26 24 # build a list of files to remove, usually rel 27 # build a list of files to remove, usually relative to the current 25 # directory 28 # directory 26 29 27 __clean-files := \ 30 __clean-files := \ 28 $(clean-files) $(targets) $(hostprogs) 31 $(clean-files) $(targets) $(hostprogs) $(userprogs) \ 29 $(extra-y) $(extra-m) $(extra-) \ 32 $(extra-y) $(extra-m) $(extra-) \ 30 $(always-y) $(always-m) $(always-) \ 33 $(always-y) $(always-m) $(always-) \ 31 $(hostprogs-always-y) $(hostprogs-alwa 34 $(hostprogs-always-y) $(hostprogs-always-m) $(hostprogs-always-) \ 32 $(userprogs-always-y) $(userprogs-alwa 35 $(userprogs-always-y) $(userprogs-always-m) $(userprogs-always-) 33 36 34 __clean-files := $(filter-out $(no-clean-fil 37 __clean-files := $(filter-out $(no-clean-files), $(__clean-files)) 35 38 36 __clean-files := $(wildcard $(addprefix $(ob 39 __clean-files := $(wildcard $(addprefix $(obj)/, $(__clean-files))) 37 40 38 # ============================================ 41 # ========================================================================== 39 42 40 # To make this rule robust against "Argument l << 41 # remove $(obj)/ prefix, and restore it by a s << 42 quiet_cmd_clean = CLEAN $(obj) 43 quiet_cmd_clean = CLEAN $(obj) 43 cmd_clean = printf '$(obj)/%s ' $(patsub !! 44 cmd_clean = rm -rf $(__clean-files) 44 45 45 __clean: $(subdir-ymn) 46 __clean: $(subdir-ymn) 46 ifneq ($(strip $(__clean-files)),) 47 ifneq ($(strip $(__clean-files)),) 47 $(call cmd,clean) 48 $(call cmd,clean) 48 endif 49 endif 49 @: 50 @: 50 51 51 52 52 # ============================================ 53 # =========================================================================== 53 # Generic stuff 54 # Generic stuff 54 # ============================================ 55 # =========================================================================== 55 56 56 # Descending 57 # Descending 57 # -------------------------------------------- 58 # --------------------------------------------------------------------------- 58 59 59 PHONY += $(subdir-ymn) 60 PHONY += $(subdir-ymn) 60 $(subdir-ymn): 61 $(subdir-ymn): 61 $(Q)$(MAKE) $(clean)=$@ 62 $(Q)$(MAKE) $(clean)=$@ 62 63 63 .PHONY: $(PHONY) 64 .PHONY: $(PHONY)
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