1 # SPDX-License-Identifier: GPL-2.0
2 # ==========================================================================
4 # ==========================================================================
11 include $(srctree)/scripts/Kbuild.include
12 include $(kbuild-file)
14 # Figure out what we need to build from the various variables
15 # ==========================================================================
17 subdir-ymn := $(sort $(subdir-y) $(subdir-m) $(subdir-) \
18 $(patsubst %/,%, $(filter %/, $(obj-y) $(obj-m) $(obj-))))
22 subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn))
24 # build a list of files to remove, usually relative to the current
28 $(clean-files) $(targets) $(hostprogs) $(userprogs) \
29 $(extra-y) $(extra-m) $(extra-) \
30 $(always-y) $(always-m) $(always-) \
31 $(hostprogs-always-y) $(hostprogs-always-m) $(hostprogs-always-) \
32 $(userprogs-always-y) $(userprogs-always-m) $(userprogs-always-)
34 __clean-files := $(filter-out $(no-clean-files), $(__clean-files))
36 __clean-files := $(wildcard $(addprefix $(obj)/, $(__clean-files)))
38 # ==========================================================================
40 # To make this rule robust against "Argument list too long" error,
41 # remove $(obj)/ prefix, and restore it by a shell command.
42 quiet_cmd_clean = CLEAN $(obj)
43 cmd_clean = printf '$(obj)/%s ' $(patsubst $(obj)/%,%,$(__clean-files)) | xargs rm -rf
45 __clean: $(subdir-ymn)
46 ifneq ($(strip $(__clean-files)),)
52 # ===========================================================================
54 # ===========================================================================
57 # ---------------------------------------------------------------------------
59 PHONY += $(subdir-ymn)
61 $(Q)$(MAKE) $(clean)=$@