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 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 $(if $(wildcard $(kbuild-dir)/Kbuild), $(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-y := $(patsubst %/,%,$(filter %/, $(obj-y))) 18 $(patsubst %/,%, $(filter %/, !! 21 subdir-y += $(__subdir-y) >> 22 __subdir-m := $(patsubst %/,%,$(filter %/, $(obj-m))) >> 23 subdir-m += $(__subdir-m) >> 24 __subdir- := $(patsubst %/,%,$(filter %/, $(obj-))) >> 25 subdir- += $(__subdir-) >> 26 >> 27 # Subdirectories we need to descend into >> 28 >> 29 subdir-ym := $(sort $(subdir-y) $(subdir-m)) >> 30 subdir-ymn := $(sort $(subdir-ym) $(subdir-)) 19 31 20 # Add subdir path 32 # Add subdir path 21 33 22 subdir-ymn := $(addprefix $(obj)/,$(subdi 34 subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn)) 23 35 24 # build a list of files to remove, usually rel 36 # build a list of files to remove, usually relative to the current 25 # directory 37 # directory 26 38 27 __clean-files := \ !! 39 __clean-files := $(extra-y) $(extra-m) $(extra-) \ 28 $(clean-files) $(targets) $(hostprogs) !! 40 $(always) $(targets) $(clean-files) \ 29 $(extra-y) $(extra-m) $(extra-) \ !! 41 $(hostprogs-y) $(hostprogs-m) $(hostprogs-) \ 30 $(always-y) $(always-m) $(always-) \ !! 42 $(hostlibs-y) $(hostlibs-m) $(hostlibs-) \ 31 $(hostprogs-always-y) $(hostprogs-alwa !! 43 $(hostcxxlibs-y) $(hostcxxlibs-m) 32 $(userprogs-always-y) $(userprogs-alwa << 33 44 34 __clean-files := $(filter-out $(no-clean-fil 45 __clean-files := $(filter-out $(no-clean-files), $(__clean-files)) 35 46 36 __clean-files := $(wildcard $(addprefix $(ob !! 47 # clean-files is given relative to the current directory, unless it >> 48 # starts with $(objtree)/ (which means "./", so do not add "./" unless >> 49 # you want to delete a file from the toplevel object directory). >> 50 >> 51 __clean-files := $(wildcard \ >> 52 $(addprefix $(obj)/, $(filter-out $(objtree)/%, $(__clean-files))) \ >> 53 $(filter $(objtree)/%, $(__clean-files))) >> 54 >> 55 # same as clean-files >> 56 >> 57 __clean-dirs := $(wildcard \ >> 58 $(addprefix $(obj)/, $(filter-out $(objtree)/%, $(clean-dirs))) \ >> 59 $(filter $(objtree)/%, $(clean-dirs))) 37 60 38 # ============================================ 61 # ========================================================================== 39 62 40 # To make this rule robust against "Argument l !! 63 quiet_cmd_clean = CLEAN $(obj) 41 # remove $(obj)/ prefix, and restore it by a s !! 64 cmd_clean = rm -f $(__clean-files) 42 quiet_cmd_clean = CLEAN $(obj) !! 65 quiet_cmd_cleandir = CLEAN $(__clean-dirs) 43 cmd_clean = printf '$(obj)/%s ' $(patsub !! 66 cmd_cleandir = rm -rf $(__clean-dirs) >> 67 44 68 45 __clean: $(subdir-ymn) 69 __clean: $(subdir-ymn) 46 ifneq ($(strip $(__clean-files)),) 70 ifneq ($(strip $(__clean-files)),) 47 $(call cmd,clean) !! 71 +$(call cmd,clean) >> 72 endif >> 73 ifneq ($(strip $(__clean-dirs)),) >> 74 +$(call cmd,cleandir) 48 endif 75 endif 49 @: 76 @: 50 77 51 78 52 # ============================================ 79 # =========================================================================== 53 # Generic stuff 80 # Generic stuff 54 # ============================================ 81 # =========================================================================== 55 82 56 # Descending 83 # Descending 57 # -------------------------------------------- 84 # --------------------------------------------------------------------------- 58 85 59 PHONY += $(subdir-ymn) 86 PHONY += $(subdir-ymn) 60 $(subdir-ymn): 87 $(subdir-ymn): 61 $(Q)$(MAKE) $(clean)=$@ 88 $(Q)$(MAKE) $(clean)=$@ 62 89 63 .PHONY: $(PHONY) 90 .PHONY: $(PHONY)
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