1 # ==========================================================================
3 # ==========================================================================
10 # Shorthand for $(Q)$(MAKE) scripts/Makefile.clean obj=dir
12 # $(Q)$(MAKE) $(clean)=dir
13 clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj
15 # The filename Kbuild has precedence over Makefile
16 kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
17 include $(if $(wildcard $(kbuild-dir)/Kbuild), $(kbuild-dir)/Kbuild, $(kbuild-dir)/Makefile)
19 # Figure out what we need to build from the various variables
20 # ==========================================================================
22 __subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y)))
23 subdir-y += $(__subdir-y)
24 __subdir-m := $(patsubst %/,%,$(filter %/, $(obj-m)))
25 subdir-m += $(__subdir-m)
26 __subdir-n := $(patsubst %/,%,$(filter %/, $(obj-n)))
27 subdir-n += $(__subdir-n)
28 __subdir- := $(patsubst %/,%,$(filter %/, $(obj-)))
29 subdir- += $(__subdir-)
31 # Subdirectories we need to descend into
33 subdir-ym := $(sort $(subdir-y) $(subdir-m))
34 subdir-ymn := $(sort $(subdir-ym) $(subdir-n) $(subdir-))
38 subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn))
40 # build a list of files to remove, usually relative to the current
43 __clean-files := $(extra-y) $(always) \
44 $(targets) $(clean-files) \
46 $(hostprogs-y) $(hostprogs-m) $(hostprogs-)
48 __clean-files := $(filter-out $(no-clean-files), $(__clean-files))
50 # as clean-files is given relative to the current directory, this adds
51 # a $(obj) prefix, except for absolute paths
53 __clean-files := $(wildcard \
54 $(addprefix $(obj)/, $(filter-out /%, $(__clean-files))) \
55 $(filter /%, $(__clean-files)))
57 # as clean-dirs is given relative to the current directory, this adds
58 # a $(obj) prefix, except for absolute paths
60 __clean-dirs := $(wildcard \
61 $(addprefix $(obj)/, $(filter-out /%, $(clean-dirs))) \
62 $(filter /%, $(clean-dirs)))
64 # ==========================================================================
66 quiet_cmd_clean = CLEAN $(obj)
67 cmd_clean = rm -f $(__clean-files)
68 quiet_cmd_cleandir = CLEAN $(__clean-dirs)
69 cmd_cleandir = rm -rf $(__clean-dirs)
72 __clean: $(subdir-ymn)
73 ifneq ($(strip $(__clean-files)),)
76 ifneq ($(strip $(__clean-dirs)),)
79 ifneq ($(strip $(clean-rule)),)
85 # ===========================================================================
87 # ===========================================================================
90 # ---------------------------------------------------------------------------
92 PHONY += $(subdir-ymn)
94 $(Q)$(MAKE) $(clean)=$@
96 # If quiet is set, only print short version of command
98 cmd = @$(if $($(quiet)cmd_$(1)),echo ' $($(quiet)cmd_$(1))' &&) $(cmd_$(1))
101 # Declare the contents of the .PHONY variable as phony. We keep that
102 # information in a variable se we can use it in if_changed and friends.