1 # SPDX-License-Identifier: GPL-2.0
2 # ==========================================================================
4 # ==========================================================================
11 include scripts/Kbuild.include
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)
17 # Figure out what we need to build from the various variables
18 # ==========================================================================
20 subdir-ymn := $(sort $(subdir-y) $(subdir-m) $(subdir-) \
21 $(patsubst %/,%, $(filter %/, $(obj-y) $(obj-m) $(obj-))))
25 subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn))
27 # build a list of files to remove, usually relative to the current
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-) \
33 $(hostlibs-y) $(hostlibs-m) $(hostlibs-) \
34 $(hostcxxlibs-y) $(hostcxxlibs-m)
36 __clean-files := $(filter-out $(no-clean-files), $(__clean-files))
38 # clean-files is given relative to the current directory, unless it
39 # starts with $(objtree)/ (which means "./", so do not add "./" unless
40 # you want to delete a file from the toplevel object directory).
42 __clean-files := $(wildcard \
43 $(addprefix $(obj)/, $(filter-out $(objtree)/%, $(__clean-files))) \
44 $(filter $(objtree)/%, $(__clean-files)))
46 # ==========================================================================
48 quiet_cmd_clean = CLEAN $(obj)
49 cmd_clean = rm -rf $(__clean-files)
51 __clean: $(subdir-ymn)
52 ifneq ($(strip $(__clean-files)),)
58 # ===========================================================================
60 # ===========================================================================
63 # ---------------------------------------------------------------------------
65 PHONY += $(subdir-ymn)
67 $(Q)$(MAKE) $(clean)=$@