1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 21da177e4SLinus Torvalds# ========================================================================== 31da177e4SLinus Torvalds# Cleaning up 41da177e4SLinus Torvalds# ========================================================================== 51da177e4SLinus Torvalds 61da177e4SLinus Torvaldssrc := $(obj) 71da177e4SLinus Torvalds 84f193362SPaul SmithPHONY := __clean 91da177e4SLinus Torvalds__clean: 101da177e4SLinus Torvalds 113204a7fbSMasahiro Yamadainclude $(srctree)/scripts/Kbuild.include 12a2430b25SMasahiro Yamadainclude $(kbuild-file) 131da177e4SLinus Torvalds 141da177e4SLinus Torvalds# Figure out what we need to build from the various variables 151da177e4SLinus Torvalds# ========================================================================== 161da177e4SLinus Torvalds 174ca76945SMasahiro Yamadasubdir-ymn := $(sort $(subdir-y) $(subdir-m) $(subdir-) \ 184ca76945SMasahiro Yamada $(patsubst %/,%, $(filter %/, $(obj-y) $(obj-m) $(obj-)))) 191da177e4SLinus Torvalds 201da177e4SLinus Torvalds# Add subdir path 211da177e4SLinus Torvalds 221da177e4SLinus Torvaldssubdir-ymn := $(addprefix $(obj)/,$(subdir-ymn)) 231da177e4SLinus Torvalds 243156fd05SRobert P. J. Day# build a list of files to remove, usually relative to the current 251da177e4SLinus Torvalds# directory 261da177e4SLinus Torvalds 27faabed29SMasahiro Yamada__clean-files := \ 28faabed29SMasahiro Yamada $(clean-files) $(targets) $(hostprogs) $(userprogs) \ 29faabed29SMasahiro Yamada $(extra-y) $(extra-m) $(extra-) \ 30faabed29SMasahiro Yamada $(always-y) $(always-m) $(always-) \ 31faabed29SMasahiro Yamada $(hostprogs-always-y) $(hostprogs-always-m) $(hostprogs-always-) \ 32faabed29SMasahiro Yamada $(userprogs-always-y) $(userprogs-always-m) $(userprogs-always-) 33faabed29SMasahiro Yamada 34ef8ff89bSMichal Marek__clean-files := $(filter-out $(no-clean-files), $(__clean-files)) 35ef8ff89bSMichal Marek 368d613a1dSMasahiro Yamada__clean-files := $(wildcard $(addprefix $(obj)/, $(__clean-files))) 371da177e4SLinus Torvalds 381da177e4SLinus Torvalds# ========================================================================== 391da177e4SLinus Torvalds 40*36029060SMasahiro Yamada# To make this rule robust against "Argument list too long" error, 41*36029060SMasahiro Yamada# remove $(obj)/ prefix, and restore it by a shell command. 421da177e4SLinus Torvaldsquiet_cmd_clean = CLEAN $(obj) 43*36029060SMasahiro Yamada cmd_clean = printf '$(obj)/%s ' $(patsubst $(obj)/%,%,$(__clean-files)) | xargs rm -rf 441da177e4SLinus Torvalds 451da177e4SLinus Torvalds__clean: $(subdir-ymn) 461da177e4SLinus Torvaldsifneq ($(strip $(__clean-files)),) 47687ac1faSMasahiro Yamada $(call cmd,clean) 481da177e4SLinus Torvaldsendif 491da177e4SLinus Torvalds @: 501da177e4SLinus Torvalds 511da177e4SLinus Torvalds 521da177e4SLinus Torvalds# =========================================================================== 531da177e4SLinus Torvalds# Generic stuff 541da177e4SLinus Torvalds# =========================================================================== 551da177e4SLinus Torvalds 561da177e4SLinus Torvalds# Descending 571da177e4SLinus Torvalds# --------------------------------------------------------------------------- 581da177e4SLinus Torvalds 594f193362SPaul SmithPHONY += $(subdir-ymn) 601da177e4SLinus Torvalds$(subdir-ymn): 611da177e4SLinus Torvalds $(Q)$(MAKE) $(clean)=$@ 621da177e4SLinus Torvalds 634f193362SPaul Smith.PHONY: $(PHONY) 64