1# ==========================================================================
 2# Cleaning up
 3# ==========================================================================
 4
 5src := $(obj)
 6
 7PHONY := __clean
 8__clean:
 9
10include scripts/Kbuild.include
11
12# The filename Kbuild has precedence over Makefile
13kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
14include $(if $(wildcard $(kbuild-dir)/Kbuild), $(kbuild-dir)/Kbuild, $(kbuild-dir)/Makefile)
15
16# Figure out what we need to build from the various variables
17# ==========================================================================
18
19__subdir-y	:= $(patsubst %/,%,$(filter %/, $(obj-y)))
20subdir-y	+= $(__subdir-y)
21__subdir-m	:= $(patsubst %/,%,$(filter %/, $(obj-m)))
22subdir-m	+= $(__subdir-m)
23__subdir-	:= $(patsubst %/,%,$(filter %/, $(obj-)))
24subdir-		+= $(__subdir-)
25
26# Subdirectories we need to descend into
27
28subdir-ym	:= $(sort $(subdir-y) $(subdir-m))
29subdir-ymn      := $(sort $(subdir-ym) $(subdir-))
30
31# Add subdir path
32
33subdir-ymn	:= $(addprefix $(obj)/,$(subdir-ymn))
34
35# build a list of files to remove, usually relative to the current
36# directory
37
38__clean-files	:= $(extra-y) $(extra-m) $(extra-)       \
39		   $(always) $(targets) $(clean-files)   \
40		   $(host-progs)                         \
41		   $(hostprogs-y) $(hostprogs-m) $(hostprogs-) \
42		   $(hostlibs-y) $(hostlibs-m) $(hostlibs-) \
43		   $(hostcxxlibs-y) $(hostcxxlibs-m)
 
 
 
44
45__clean-files   := $(filter-out $(no-clean-files), $(__clean-files))
46
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)))
60
61# ==========================================================================
62
63quiet_cmd_clean    = CLEAN   $(obj)
64      cmd_clean    = rm -f $(__clean-files)
65quiet_cmd_cleandir = CLEAN   $(__clean-dirs)
66      cmd_cleandir = rm -rf $(__clean-dirs)
67
68
69__clean: $(subdir-ymn)
70ifneq ($(strip $(__clean-files)),)
71	+$(call cmd,clean)
72endif
73ifneq ($(strip $(__clean-dirs)),)
74	+$(call cmd,cleandir)
75endif
76	@:
77
78
79# ===========================================================================
80# Generic stuff
81# ===========================================================================
82
83# Descending
84# ---------------------------------------------------------------------------
85
86PHONY += $(subdir-ymn)
87$(subdir-ymn):
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.
92
93.PHONY: $(PHONY)

 1# SPDX-License-Identifier: GPL-2.0
 2# ==========================================================================
 3# Cleaning up
 4# ==========================================================================
 5
 6src := $(obj)
 7
 8PHONY := __clean
 9__clean:
10
11include scripts/Kbuild.include
12
13# The filename Kbuild has precedence over Makefile
14kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
15include $(if $(wildcard $(kbuild-dir)/Kbuild), $(kbuild-dir)/Kbuild, $(kbuild-dir)/Makefile)
16
17# Figure out what we need to build from the various variables
18# ==========================================================================
19
20subdir-ymn := $(sort $(subdir-y) $(subdir-m) $(subdir-) \
21		$(patsubst %/,%, $(filter %/, $(obj-y) $(obj-m) $(obj-))))
 
 
 
 
 
 
 
 
 
22
23# Add subdir path
24
25subdir-ymn	:= $(addprefix $(obj)/,$(subdir-ymn))
26
27# build a list of files to remove, usually relative to the current
28# directory
29
30__clean-files	:= \
31	$(clean-files) $(targets) $(hostprogs) $(userprogs) \
32	$(extra-y) $(extra-m) $(extra-) \
33	$(always-y) $(always-m) $(always-) \
34	$(hostprogs-always-y) $(hostprogs-always-m) $(hostprogs-always-) \
35	$(userprogs-always-y) $(userprogs-always-m) $(userprogs-always-)
36
37# deprecated
38__clean-files	+= $(always) $(hostprogs-y) $(hostprogs-m) $(hostprogs-)
39
40__clean-files   := $(filter-out $(no-clean-files), $(__clean-files))
41
42# clean-files is given relative to the current directory, unless it
43# starts with $(objtree)/ (which means "./", so do not add "./" unless
44# you want to delete a file from the toplevel object directory).
45
46__clean-files   := $(wildcard                                               \
47		   $(addprefix $(obj)/, $(filter-out $(objtree)/%, $(__clean-files))) \
48		   $(filter $(objtree)/%, $(__clean-files)))
49
 
 
 
 
 
 
50# ==========================================================================
51
52quiet_cmd_clean = CLEAN   $(obj)
53      cmd_clean = rm -rf $(__clean-files)
 
 
 
54
55__clean: $(subdir-ymn)
56ifneq ($(strip $(__clean-files)),)
57	$(call cmd,clean)
 
 
 
58endif
59	@:
60
61
62# ===========================================================================
63# Generic stuff
64# ===========================================================================
65
66# Descending
67# ---------------------------------------------------------------------------
68
69PHONY += $(subdir-ymn)
70$(subdir-ymn):
71	$(Q)$(MAKE) $(clean)=$@
 
 
 
72
73.PHONY: $(PHONY)