Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | # ========================================================================== |
2 | # Cleaning up | |
3 | # ========================================================================== | |
4 | ||
5 | src := $(obj) | |
6 | ||
7 | .PHONY: __clean | |
8 | __clean: | |
9 | ||
10 | include $(if $(wildcard $(obj)/Kbuild), $(obj)/Kbuild, $(obj)/Makefile) | |
11 | ||
12 | # Figure out what we need to build from the various variables | |
13 | # ========================================================================== | |
14 | ||
15 | __subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y))) | |
16 | subdir-y += $(__subdir-y) | |
17 | __subdir-m := $(patsubst %/,%,$(filter %/, $(obj-m))) | |
18 | subdir-m += $(__subdir-m) | |
19 | __subdir-n := $(patsubst %/,%,$(filter %/, $(obj-n))) | |
20 | subdir-n += $(__subdir-n) | |
21 | __subdir- := $(patsubst %/,%,$(filter %/, $(obj-))) | |
22 | subdir- += $(__subdir-) | |
23 | ||
24 | # Subdirectories we need to descend into | |
25 | ||
26 | subdir-ym := $(sort $(subdir-y) $(subdir-m)) | |
27 | subdir-ymn := $(sort $(subdir-ym) $(subdir-n) $(subdir-)) | |
28 | ||
29 | # Add subdir path | |
30 | ||
31 | subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn)) | |
32 | ||
33 | # build a list of files to remove, usually releative to the current | |
34 | # directory | |
35 | ||
36 | __clean-files := $(extra-y) $(EXTRA_TARGETS) $(always) \ | |
37 | $(targets) $(clean-files) \ | |
38 | $(host-progs) \ | |
39 | $(hostprogs-y) $(hostprogs-m) $(hostprogs-) | |
40 | ||
41 | # as clean-files is given relative to the current directory, this adds | |
42 | # a $(obj) prefix, except for absolute paths | |
43 | ||
44 | __clean-files := $(wildcard \ | |
45 | $(addprefix $(obj)/, $(filter-out /%, $(__clean-files))) \ | |
46 | $(filter /%, $(__clean-files))) | |
47 | ||
48 | # as clean-dirs is given relative to the current directory, this adds | |
49 | # a $(obj) prefix, except for absolute paths | |
50 | ||
51 | __clean-dirs := $(wildcard \ | |
52 | $(addprefix $(obj)/, $(filter-out /%, $(clean-dirs))) \ | |
53 | $(filter /%, $(clean-dirs))) | |
54 | ||
55 | # ========================================================================== | |
56 | ||
57 | quiet_cmd_clean = CLEAN $(obj) | |
58 | cmd_clean = rm -f $(__clean-files) | |
59 | quiet_cmd_cleandir = CLEAN $(__clean-dirs) | |
60 | cmd_cleandir = rm -rf $(__clean-dirs) | |
61 | ||
62 | ||
63 | __clean: $(subdir-ymn) | |
64 | ifneq ($(strip $(__clean-files)),) | |
65 | +$(call cmd,clean) | |
66 | endif | |
67 | ifneq ($(strip $(__clean-dirs)),) | |
68 | +$(call cmd,cleandir) | |
69 | endif | |
70 | ifneq ($(strip $(clean-rule)),) | |
71 | +$(clean-rule) | |
72 | endif | |
73 | @: | |
74 | ||
75 | ||
76 | # =========================================================================== | |
77 | # Generic stuff | |
78 | # =========================================================================== | |
79 | ||
80 | # Descending | |
81 | # --------------------------------------------------------------------------- | |
82 | ||
83 | .PHONY: $(subdir-ymn) | |
84 | $(subdir-ymn): | |
85 | $(Q)$(MAKE) $(clean)=$@ | |
86 | ||
87 | # If quiet is set, only print short version of command | |
88 | ||
89 | cmd = @$(if $($(quiet)cmd_$(1)),echo ' $($(quiet)cmd_$(1))' &&) $(cmd_$(1)) | |
90 | ||
91 | # Shorthand for $(Q)$(MAKE) scripts/Makefile.clean obj=dir | |
92 | # Usage: | |
93 | # $(Q)$(MAKE) $(clean)=dir | |
94 | clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj |