]>
Commit | Line | Data |
---|---|---|
1 | # SPDX-License-Identifier: GPL-2.0 | |
2 | # ========================================================================== | |
3 | # Cleaning up | |
4 | # ========================================================================== | |
5 | ||
6 | src := $(obj) | |
7 | ||
8 | PHONY := __clean | |
9 | __clean: | |
10 | ||
11 | include scripts/Kbuild.include | |
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) | |
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)) | |
30 | subdir-ymn := $(sort $(subdir-ym) $(subdir-)) | |
31 | ||
32 | # Add subdir path | |
33 | ||
34 | subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn)) | |
35 | ||
36 | # build a list of files to remove, usually relative to the current | |
37 | # directory | |
38 | ||
39 | __clean-files := $(extra-y) $(extra-m) $(extra-) \ | |
40 | $(always) $(targets) $(clean-files) \ | |
41 | $(host-progs) \ | |
42 | $(hostprogs-y) $(hostprogs-m) $(hostprogs-) \ | |
43 | $(hostlibs-y) $(hostlibs-m) $(hostlibs-) \ | |
44 | $(hostcxxlibs-y) $(hostcxxlibs-m) | |
45 | ||
46 | __clean-files := $(filter-out $(no-clean-files), $(__clean-files)) | |
47 | ||
48 | # clean-files is given relative to the current directory, unless it | |
49 | # starts with $(objtree)/ (which means "./", so do not add "./" unless | |
50 | # you want to delete a file from the toplevel object directory). | |
51 | ||
52 | __clean-files := $(wildcard \ | |
53 | $(addprefix $(obj)/, $(filter-out $(objtree)/%, $(__clean-files))) \ | |
54 | $(filter $(objtree)/%, $(__clean-files))) | |
55 | ||
56 | # same as clean-files | |
57 | ||
58 | __clean-dirs := $(wildcard \ | |
59 | $(addprefix $(obj)/, $(filter-out $(objtree)/%, $(clean-dirs))) \ | |
60 | $(filter $(objtree)/%, $(clean-dirs))) | |
61 | ||
62 | # ========================================================================== | |
63 | ||
64 | quiet_cmd_clean = CLEAN $(obj) | |
65 | cmd_clean = rm -f $(__clean-files) | |
66 | quiet_cmd_cleandir = CLEAN $(__clean-dirs) | |
67 | cmd_cleandir = rm -rf $(__clean-dirs) | |
68 | ||
69 | ||
70 | __clean: $(subdir-ymn) | |
71 | ifneq ($(strip $(__clean-files)),) | |
72 | +$(call cmd,clean) | |
73 | endif | |
74 | ifneq ($(strip $(__clean-dirs)),) | |
75 | +$(call cmd,cleandir) | |
76 | endif | |
77 | @: | |
78 | ||
79 | ||
80 | # =========================================================================== | |
81 | # Generic stuff | |
82 | # =========================================================================== | |
83 | ||
84 | # Descending | |
85 | # --------------------------------------------------------------------------- | |
86 | ||
87 | PHONY += $(subdir-ymn) | |
88 | $(subdir-ymn): | |
89 | $(Q)$(MAKE) $(clean)=$@ | |
90 | ||
91 | # Declare the contents of the .PHONY variable as phony. We keep that | |
92 | # information in a variable se we can use it in if_changed and friends. | |
93 | ||
94 | .PHONY: $(PHONY) |