scripts/Makefile.clean

   1 # SPDX-License-Identifier: GPL-2.0
   2 # ==========================================================================
   3 # Cleaning up
   4 # ==========================================================================
   5
   6 src := $(obj)
   7
   8 PHONY := __clean
   9 __clean:
  10
  11 include $(srctree)/scripts/Kbuild.include
  12
  13 # The filename Kbuild has precedence over Makefile
  14 kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
  15 include $(or $(wildcard $(kbuild-dir)/Kbuild),$(kbuild-dir)/Makefile)
  16
  17 # Figure out what we need to build from the various variables
  18 # ==========================================================================
  19
  20 subdir-ymn := $(sort $(subdir-y) $(subdir-m) $(subdir-) \
  21                 $(patsubst %/,%, $(filter %/, $(obj-y) $(obj-m) $(obj-))))
  22
  23 # Add subdir path
  24
  25 subdir-ymn      := $(addprefix $(obj)/,$(subdir-ymn))
  26
  27 # build a list of files to remove, usually relative to the current
  28 # directory
  29
  30 __clean-files   := \
  31         $(clean-files) $(targets) $(hostprogs) $(userprogs) \
  32         $(extra-y) $(extra-m) $(extra-) \
  33         $(always-y) $(always-m) $(always-) \
  34         $(hostprogs-always-y) $(hostprogs-always-m) $(hostprogs-always-) \
  35         $(userprogs-always-y) $(userprogs-always-m) $(userprogs-always-)
  36
  37 __clean-files   := $(filter-out $(no-clean-files), $(__clean-files))
  38
  39 __clean-files   := $(wildcard $(addprefix $(obj)/, $(__clean-files)))
  40
  41 # ==========================================================================
  42
  43 quiet_cmd_clean = CLEAN   $(obj)
  44       cmd_clean = rm -rf $(__clean-files)
  45
  46 __clean: $(subdir-ymn)
  47 ifneq ($(strip $(__clean-files)),)
  48         $(call cmd,clean)
  49 endif
  50         @:
  51
  52
  53 # ===========================================================================
  54 # Generic stuff
  55 # ===========================================================================
  56
  57 # Descending
  58 # ---------------------------------------------------------------------------
  59
  60 PHONY += $(subdir-ymn)
  61 $(subdir-ymn):
  62         $(Q)$(MAKE) $(clean)=$@
  63
  64 .PHONY: $(PHONY)