Git Repo - u-boot.git/blame_incremental

... / ...

Commit	Line	Data
	1	# ==========================================================================
	2	# Cleaning up
	3	# ==========================================================================
	4	#
	5	# SPDX-License-Identifier: GPL-2.0
	6	#
	7
	8	src := $(obj)
	9
	10	PHONY := __clean
	11	__clean:
	12
	13	include scripts/Kbuild.include
	14
	15	# The filename Kbuild has precedence over Makefile
	16	kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
	17	include $(if $(wildcard $(kbuild-dir)/Kbuild), $(kbuild-dir)/Kbuild, $(kbuild-dir)/Makefile)
	18
	19	# Figure out what we need to build from the various variables
	20	# ==========================================================================
	21
	22	__subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y)))
	23	subdir-y += $(__subdir-y)
	24	__subdir-m := $(patsubst %/,%,$(filter %/, $(obj-m)))
	25	subdir-m += $(__subdir-m)
	26	__subdir- := $(patsubst %/,%,$(filter %/, $(obj-)))
	27	subdir- += $(__subdir-)
	28
	29	# Subdirectories we need to descend into
	30
	31	subdir-ym := $(sort $(subdir-y) $(subdir-m))
	32	subdir-ymn := $(sort $(subdir-ym) $(subdir-))
	33
	34	# Add subdir path
	35
	36	subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn))
	37
	38	# Temporal work-around for U-Boot
	39
	40	subdir-ymn := $(foreach f, $(subdir-ymn), \
	41	$(if $(wildcard $(srctree)/$f/Makefile),$f))
	42
	43	# build a list of files to remove, usually relative to the current
	44	# directory
	45
	46	__clean-files := $(extra-y) $(extra-m) $(extra-) \
	47	$(always) $(targets) $(clean-files) \
	48	$(host-progs) \
	49	$(hostprogs-y) $(hostprogs-m) $(hostprogs-)
	50
	51	__clean-files := $(filter-out $(no-clean-files), $(__clean-files))
	52
	53	# clean-files is given relative to the current directory, unless it
	54	# starts with $(objtree)/ (which means "./", so do not add "./" unless
	55	# you want to delete a file from the toplevel object directory).
	56
	57	__clean-files := $(wildcard \
	58	$(addprefix $(obj)/, $(filter-out $(objtree)/%, $(__clean-files))) \
	59	$(filter $(objtree)/%, $(__clean-files)))
	60
	61	# same as clean-files
	62
	63	__clean-dirs := $(wildcard \
	64	$(addprefix $(obj)/, $(filter-out $(objtree)/%, $(clean-dirs))) \
	65	$(filter $(objtree)/%, $(clean-dirs)))
	66
	67	# ==========================================================================
	68
	69	quiet_cmd_clean = CLEAN $(obj)
	70	cmd_clean = rm -f $(__clean-files)
	71	quiet_cmd_cleandir = CLEAN $(__clean-dirs)
	72	cmd_cleandir = rm -rf $(__clean-dirs)
	73
	74
	75	__clean: $(subdir-ymn)
	76	ifneq ($(strip $(__clean-files)),)
	77	+$(call cmd,clean)
	78	endif
	79	ifneq ($(strip $(__clean-dirs)),)
	80	+$(call cmd,cleandir)
	81	endif
	82	@:
	83
	84
	85	# ===========================================================================
	86	# Generic stuff
	87	# ===========================================================================
	88
	89	# Descending
	90	# ---------------------------------------------------------------------------
	91
	92	PHONY += $(subdir-ymn)
	93	$(subdir-ymn):
	94	$(Q)$(MAKE) $(clean)=$@
	95
	96	# Declare the contents of the .PHONY variable as phony. We keep that
	97	# information in a variable se we can use it in if_changed and friends.
	98
	99	.PHONY: $(PHONY)