1 # ==========================================================================
3 # ==========================================================================
10 # Shorthand for $(Q)$(MAKE) scripts/Makefile.clean obj=dir
12 # $(Q)$(MAKE) $(clean)=dir
13 clean := -f $(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- := $(patsubst %/,%,$(filter %/, $(obj-)))
27 subdir- += $(__subdir-)
29 # Subdirectories we need to descend into
31 subdir-ym := $(sort $(subdir-y) $(subdir-m))
32 subdir-ymn := $(sort $(subdir-ym) $(subdir-))
36 subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn))
38 # Temporal work-around for U-Boot
40 subdir-ymn := $(foreach f, $(subdir-ymn), \
41 $(if $(wildcard $(srctree)/$f/Makefile),$f))
43 # build a list of files to remove, usually relative to the current
46 __clean-files := $(extra-y) $(extra-m) $(extra-) \
47 $(always) $(targets) $(clean-files) \
49 $(hostprogs-y) $(hostprogs-m) $(hostprogs-)
51 __clean-files := $(filter-out $(no-clean-files), $(__clean-files))
53 # as clean-files is given relative to the current directory, this adds
54 # a $(obj) prefix, except for absolute paths
56 __clean-files := $(wildcard \
57 $(addprefix $(obj)/, $(filter-out /%, $(__clean-files))) \
58 $(filter /%, $(__clean-files)))
60 # as clean-dirs is given relative to the current directory, this adds
61 # a $(obj) prefix, except for absolute paths
63 __clean-dirs := $(wildcard \
64 $(addprefix $(obj)/, $(filter-out /%, $(clean-dirs))) \
65 $(filter /%, $(clean-dirs)))
67 # ==========================================================================
69 quiet_cmd_clean = CLEAN $(obj)
70 cmd_clean = rm -f $(__clean-files)
71 quiet_cmd_cleandir = CLEAN $(__clean-dirs)
72 cmd_cleandir = rm -rf $(__clean-dirs)
75 __clean: $(subdir-ymn)
76 ifneq ($(strip $(__clean-files)),)
79 ifneq ($(strip $(__clean-dirs)),)
82 ifneq ($(strip $(clean-rule)),)
88 # ===========================================================================
90 # ===========================================================================
93 # ---------------------------------------------------------------------------
95 PHONY += $(subdir-ymn)
97 $(Q)$(MAKE) $(clean)=$@
99 # If quiet is set, only print short version of command
101 cmd = @$(if $($(quiet)cmd_$(1)),echo ' $($(quiet)cmd_$(1))' &&) $(cmd_$(1))
104 # Declare the contents of the .PHONY variable as phony. We keep that
105 # information in a variable se we can use it in if_changed and friends.