1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0 2*4882a593Smuzhiyun# ========================================================================== 3*4882a593Smuzhiyun# Cleaning up 4*4882a593Smuzhiyun# ========================================================================== 5*4882a593Smuzhiyun 6*4882a593Smuzhiyunsrc := $(obj) 7*4882a593Smuzhiyun 8*4882a593SmuzhiyunPHONY := __clean 9*4882a593Smuzhiyun__clean: 10*4882a593Smuzhiyun 11*4882a593Smuzhiyuninclude scripts/Kbuild.include 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun# The filename Kbuild has precedence over Makefile 14*4882a593Smuzhiyunkbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src)) 15*4882a593Smuzhiyuninclude $(if $(wildcard $(kbuild-dir)/Kbuild), $(kbuild-dir)/Kbuild, $(kbuild-dir)/Makefile) 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun# Figure out what we need to build from the various variables 18*4882a593Smuzhiyun# ========================================================================== 19*4882a593Smuzhiyun 20*4882a593Smuzhiyunsubdir-ymn := $(sort $(subdir-y) $(subdir-m) $(subdir-) \ 21*4882a593Smuzhiyun $(patsubst %/,%, $(filter %/, $(obj-y) $(obj-m) $(obj-)))) 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun# Add subdir path 24*4882a593Smuzhiyun 25*4882a593Smuzhiyunsubdir-ymn := $(addprefix $(obj)/,$(subdir-ymn)) 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun# build a list of files to remove, usually relative to the current 28*4882a593Smuzhiyun# directory 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun__clean-files := \ 31*4882a593Smuzhiyun $(clean-files) $(targets) $(hostprogs) $(userprogs) \ 32*4882a593Smuzhiyun $(extra-y) $(extra-m) $(extra-) \ 33*4882a593Smuzhiyun $(always-y) $(always-m) $(always-) \ 34*4882a593Smuzhiyun $(hostprogs-always-y) $(hostprogs-always-m) $(hostprogs-always-) \ 35*4882a593Smuzhiyun $(userprogs-always-y) $(userprogs-always-m) $(userprogs-always-) 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun# deprecated 38*4882a593Smuzhiyun__clean-files += $(always) $(hostprogs-y) $(hostprogs-m) $(hostprogs-) 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun__clean-files := $(filter-out $(no-clean-files), $(__clean-files)) 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun# clean-files is given relative to the current directory, unless it 43*4882a593Smuzhiyun# starts with $(objtree)/ (which means "./", so do not add "./" unless 44*4882a593Smuzhiyun# you want to delete a file from the toplevel object directory). 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun__clean-files := $(wildcard \ 47*4882a593Smuzhiyun $(addprefix $(obj)/, $(filter-out $(objtree)/%, $(__clean-files))) \ 48*4882a593Smuzhiyun $(filter $(objtree)/%, $(__clean-files))) 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun# ========================================================================== 51*4882a593Smuzhiyun 52*4882a593Smuzhiyunquiet_cmd_clean = CLEAN $(obj) 53*4882a593Smuzhiyun cmd_clean = rm -rf $(__clean-files) 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun__clean: $(subdir-ymn) 56*4882a593Smuzhiyunifneq ($(strip $(__clean-files)),) 57*4882a593Smuzhiyun $(call cmd,clean) 58*4882a593Smuzhiyunendif 59*4882a593Smuzhiyun @: 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun# =========================================================================== 63*4882a593Smuzhiyun# Generic stuff 64*4882a593Smuzhiyun# =========================================================================== 65*4882a593Smuzhiyun 66*4882a593Smuzhiyun# Descending 67*4882a593Smuzhiyun# --------------------------------------------------------------------------- 68*4882a593Smuzhiyun 69*4882a593SmuzhiyunPHONY += $(subdir-ymn) 70*4882a593Smuzhiyun$(subdir-ymn): 71*4882a593Smuzhiyun $(Q)$(MAKE) $(clean)=$@ 72*4882a593Smuzhiyun 73*4882a593Smuzhiyun.PHONY: $(PHONY) 74