Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0
2# ==========================================================================
3# Cleaning up
4# ==========================================================================
5
6src := $(obj)
7
8PHONY := __clean
9__clean:
10
11include scripts/Kbuild.include
12
13# The filename Kbuild has precedence over Makefile
14kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
15include $(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
20subdir-ymn := $(sort $(subdir-y) $(subdir-m) $(subdir-) \
21 $(patsubst %/,%, $(filter %/, $(obj-y) $(obj-m) $(obj-))))
22
23# Add subdir path
24
25subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn))
26
27# build a list of files to remove, usually relative to the current
28# directory
29
30__clean-files := $(extra-y) $(extra-m) $(extra-) \
31 $(always) $(always-y) $(always-m) $(always-) $(targets) $(clean-files) \
32 $(hostprogs) $(hostprogs-y) $(hostprogs-m) $(hostprogs-) $(userprogs) \
33 $(hostcxxlibs-y) $(hostcxxlibs-m)
34
35__clean-files := $(filter-out $(no-clean-files), $(__clean-files))
36
37# clean-files is given relative to the current directory, unless it
38# starts with $(objtree)/ (which means "./", so do not add "./" unless
39# you want to delete a file from the toplevel object directory).
40
41__clean-files := $(wildcard \
42 $(addprefix $(obj)/, $(filter-out $(objtree)/%, $(__clean-files))) \
43 $(filter $(objtree)/%, $(__clean-files)))
44
45# ==========================================================================
46
47quiet_cmd_clean = CLEAN $(obj)
48 cmd_clean = rm -rf $(__clean-files)
49
50__clean: $(subdir-ymn)
51ifneq ($(strip $(__clean-files)),)
52 $(call cmd,clean)
53endif
54 @:
55
56
57# ===========================================================================
58# Generic stuff
59# ===========================================================================
60
61# Descending
62# ---------------------------------------------------------------------------
63
64PHONY += $(subdir-ymn)
65$(subdir-ymn):
66 $(Q)$(MAKE) $(clean)=$@
67
68.PHONY: $(PHONY)