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83d290c5 | 1 | # SPDX-License-Identifier: GPL-2.0 |
22433fc5 MY |
2 | # ========================================================================== |
3 | # Cleaning up | |
4 | # ========================================================================== | |
5 | ||
6 | src := $(obj) | |
7 | ||
8 | PHONY := __clean | |
9 | __clean: | |
10 | ||
98bd0e0d | 11 | include scripts/Kbuild.include |
22433fc5 MY |
12 | |
13 | # The filename Kbuild has precedence over Makefile | |
14 | kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src)) | |
15 | include $(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 | ||
20 | __subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y))) | |
21 | subdir-y += $(__subdir-y) | |
22 | __subdir-m := $(patsubst %/,%,$(filter %/, $(obj-m))) | |
23 | subdir-m += $(__subdir-m) | |
22433fc5 MY |
24 | __subdir- := $(patsubst %/,%,$(filter %/, $(obj-))) |
25 | subdir- += $(__subdir-) | |
26 | ||
27 | # Subdirectories we need to descend into | |
28 | ||
29 | subdir-ym := $(sort $(subdir-y) $(subdir-m)) | |
176d0982 | 30 | subdir-ymn := $(sort $(subdir-ym) $(subdir-)) |
22433fc5 MY |
31 | |
32 | # Add subdir path | |
33 | ||
34 | subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn)) | |
efcf8619 MY |
35 | |
36 | # Temporal work-around for U-Boot | |
37 | ||
6bd04bb4 MY |
38 | subdir-ymn := $(foreach f, $(subdir-ymn), \ |
39 | $(if $(wildcard $(srctree)/$f/Makefile),$f)) | |
22433fc5 MY |
40 | |
41 | # build a list of files to remove, usually relative to the current | |
42 | # directory | |
43 | ||
021f0495 MY |
44 | __clean-files := $(extra-y) $(extra-m) $(extra-) \ |
45 | $(always) $(targets) $(clean-files) \ | |
587e4a42 TR |
46 | $(hostprogs-y) $(hostprogs-m) $(hostprogs-) \ |
47 | $(hostlibs-y) $(hostlibs-m) $(hostlibs-) \ | |
48 | $(hostcxxlibs-y) $(hostcxxlibs-m) | |
22433fc5 MY |
49 | |
50 | __clean-files := $(filter-out $(no-clean-files), $(__clean-files)) | |
51 | ||
98bd0e0d MY |
52 | # clean-files is given relative to the current directory, unless it |
53 | # starts with $(objtree)/ (which means "./", so do not add "./" unless | |
54 | # you want to delete a file from the toplevel object directory). | |
22433fc5 MY |
55 | |
56 | __clean-files := $(wildcard \ | |
98bd0e0d MY |
57 | $(addprefix $(obj)/, $(filter-out $(objtree)/%, $(__clean-files))) \ |
58 | $(filter $(objtree)/%, $(__clean-files))) | |
22433fc5 | 59 | |
98bd0e0d | 60 | # same as clean-files |
22433fc5 MY |
61 | |
62 | __clean-dirs := $(wildcard \ | |
98bd0e0d MY |
63 | $(addprefix $(obj)/, $(filter-out $(objtree)/%, $(clean-dirs))) \ |
64 | $(filter $(objtree)/%, $(clean-dirs))) | |
22433fc5 MY |
65 | |
66 | # ========================================================================== | |
67 | ||
68 | quiet_cmd_clean = CLEAN $(obj) | |
69 | cmd_clean = rm -f $(__clean-files) | |
70 | quiet_cmd_cleandir = CLEAN $(__clean-dirs) | |
71 | cmd_cleandir = rm -rf $(__clean-dirs) | |
72 | ||
73 | ||
74 | __clean: $(subdir-ymn) | |
75 | ifneq ($(strip $(__clean-files)),) | |
76 | +$(call cmd,clean) | |
77 | endif | |
78 | ifneq ($(strip $(__clean-dirs)),) | |
79 | +$(call cmd,cleandir) | |
22433fc5 MY |
80 | endif |
81 | @: | |
82 | ||
83 | ||
84 | # =========================================================================== | |
85 | # Generic stuff | |
86 | # =========================================================================== | |
87 | ||
88 | # Descending | |
89 | # --------------------------------------------------------------------------- | |
90 | ||
91 | PHONY += $(subdir-ymn) | |
92 | $(subdir-ymn): | |
93 | $(Q)$(MAKE) $(clean)=$@ | |
94 | ||
22433fc5 | 95 | .PHONY: $(PHONY) |