1 # SPDX-License-Identifier: GPL-2.0 <<
2 # ============================================ 1 # ==========================================================================
3 # Cleaning up 2 # Cleaning up
4 # ============================================ 3 # ==========================================================================
5 4
6 src := $(if $(VPATH),$(VPATH)/)$(obj) !! 5 src := $(obj)
7 6
8 PHONY := __clean 7 PHONY := __clean
9 __clean: 8 __clean:
10 9
11 include $(srctree)/scripts/Kbuild.include !! 10 include scripts/Kbuild.include
12 include $(kbuild-file) !! 11
>> 12 # The filename Kbuild has precedence over Makefile
>> 13 kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
>> 14 include $(if $(wildcard $(kbuild-dir)/Kbuild), $(kbuild-dir)/Kbuild, $(kbuild-dir)/Makefile)
13 15
14 # Figure out what we need to build from the va 16 # Figure out what we need to build from the various variables
15 # ============================================ 17 # ==========================================================================
16 18
17 subdir-ymn := $(sort $(subdir-y) $(subdir-m) $ !! 19 __subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y)))
18 $(patsubst %/,%, $(filter %/, !! 20 subdir-y += $(__subdir-y)
>> 21 __subdir-m := $(patsubst %/,%,$(filter %/, $(obj-m)))
>> 22 subdir-m += $(__subdir-m)
>> 23 __subdir- := $(patsubst %/,%,$(filter %/, $(obj-)))
>> 24 subdir- += $(__subdir-)
>> 25
>> 26 # Subdirectories we need to descend into
>> 27
>> 28 subdir-ym := $(sort $(subdir-y) $(subdir-m))
>> 29 subdir-ymn := $(sort $(subdir-ym) $(subdir-))
19 30
20 # Add subdir path 31 # Add subdir path
21 32
22 subdir-ymn := $(addprefix $(obj)/,$(subdi 33 subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn))
23 34
24 # build a list of files to remove, usually rel 35 # build a list of files to remove, usually relative to the current
25 # directory 36 # directory
26 37
27 __clean-files := \ !! 38 __clean-files := $(extra-y) $(extra-m) $(extra-) \
28 $(clean-files) $(targets) $(hostprogs) !! 39 $(always) $(targets) $(clean-files) \
29 $(extra-y) $(extra-m) $(extra-) \ !! 40 $(host-progs) \
30 $(always-y) $(always-m) $(always-) \ !! 41 $(hostprogs-y) $(hostprogs-m) $(hostprogs-) \
31 $(hostprogs-always-y) $(hostprogs-alwa !! 42 $(hostlibs-y) $(hostlibs-m) $(hostlibs-) \
32 $(userprogs-always-y) $(userprogs-alwa !! 43 $(hostcxxlibs-y) $(hostcxxlibs-m)
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) $(clean)=$@
>> 89
>> 90 # Declare the contents of the .PHONY variable as phony. We keep that
>> 91 # information in a variable se we can use it in if_changed and friends.
62 92
63 .PHONY: $(PHONY) 93 .PHONY: $(PHONY)
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