u-boot/scripts/Makefile.clean

22433fc5SMasahiro Yamada# ==========================================================================
22433fc5SMasahiro Yamada# Cleaning up
22433fc5SMasahiro Yamada# ==========================================================================
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamadasrc := $(obj)
22433fc5SMasahiro Yamada
22433fc5SMasahiro YamadaPHONY := __clean
22433fc5SMasahiro Yamada__clean:
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada# Shorthand for $(Q)$(MAKE) scripts/Makefile.clean obj=dir
22433fc5SMasahiro Yamada# Usage:
22433fc5SMasahiro Yamada# $(Q)$(MAKE) $(clean)=dir
22433fc5SMasahiro Yamadaclean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada# The filename Kbuild has precedence over Makefile
22433fc5SMasahiro Yamadakbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
22433fc5SMasahiro Yamadainclude $(if $(wildcard $(kbuild-dir)/Kbuild), $(kbuild-dir)/Kbuild, $(kbuild-dir)/Makefile)
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada# Figure out what we need to build from the various variables
22433fc5SMasahiro Yamada# ==========================================================================
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada__subdir-y	:= $(patsubst %/,%,$(filter %/, $(obj-y)))
22433fc5SMasahiro Yamadasubdir-y	+= $(__subdir-y)
22433fc5SMasahiro Yamada__subdir-m	:= $(patsubst %/,%,$(filter %/, $(obj-m)))
22433fc5SMasahiro Yamadasubdir-m	+= $(__subdir-m)
22433fc5SMasahiro Yamada__subdir-n	:= $(patsubst %/,%,$(filter %/, $(obj-n)))
22433fc5SMasahiro Yamadasubdir-n	+= $(__subdir-n)
22433fc5SMasahiro Yamada__subdir-	:= $(patsubst %/,%,$(filter %/, $(obj-)))
22433fc5SMasahiro Yamadasubdir-		+= $(__subdir-)
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada# Subdirectories we need to descend into
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamadasubdir-ym	:= $(sort $(subdir-y) $(subdir-m))
22433fc5SMasahiro Yamadasubdir-ymn      := $(sort $(subdir-ym) $(subdir-n) $(subdir-))
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada# Add subdir path
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamadasubdir-ymn	:= $(addprefix $(obj)/,$(subdir-ymn))
22433fc5SMasahiro Yamada
*efcf8619SMasahiro Yamada# Temporal work-around for U-Boot
*efcf8619SMasahiro Yamada
*efcf8619SMasahiro Yamadasubdir-ymn	:= $(foreach f, $(subdir-ymn), $(if $(wildcard $f/Makefile),$f))
*efcf8619SMasahiro Yamada
22433fc5SMasahiro Yamada# build a list of files to remove, usually relative to the current
22433fc5SMasahiro Yamada# directory
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada__clean-files	:= $(extra-y) $(always)                  \
22433fc5SMasahiro Yamada		   $(targets) $(clean-files)             \
22433fc5SMasahiro Yamada		   $(host-progs)                         \
22433fc5SMasahiro Yamada		   $(hostprogs-y) $(hostprogs-m) $(hostprogs-)
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada__clean-files   := $(filter-out $(no-clean-files), $(__clean-files))
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada# as clean-files is given relative to the current directory, this adds
22433fc5SMasahiro Yamada# a $(obj) prefix, except for absolute paths
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada__clean-files   := $(wildcard                                               \
22433fc5SMasahiro Yamada                   $(addprefix $(obj)/, $(filter-out /%, $(__clean-files))) \
22433fc5SMasahiro Yamada		   $(filter /%, $(__clean-files)))
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada# as clean-dirs is given relative to the current directory, this adds
22433fc5SMasahiro Yamada# a $(obj) prefix, except for absolute paths
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada__clean-dirs    := $(wildcard                                               \
22433fc5SMasahiro Yamada                   $(addprefix $(obj)/, $(filter-out /%, $(clean-dirs)))    \
22433fc5SMasahiro Yamada		   $(filter /%, $(clean-dirs)))
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada# ==========================================================================
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamadaquiet_cmd_clean    = CLEAN   $(obj)
22433fc5SMasahiro Yamada      cmd_clean    = rm -f $(__clean-files)
22433fc5SMasahiro Yamadaquiet_cmd_cleandir = CLEAN   $(__clean-dirs)
22433fc5SMasahiro Yamada      cmd_cleandir = rm -rf $(__clean-dirs)
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada__clean: $(subdir-ymn)
22433fc5SMasahiro Yamadaifneq ($(strip $(__clean-files)),)
22433fc5SMasahiro Yamada	+$(call cmd,clean)
22433fc5SMasahiro Yamadaendif
22433fc5SMasahiro Yamadaifneq ($(strip $(__clean-dirs)),)
22433fc5SMasahiro Yamada	+$(call cmd,cleandir)
22433fc5SMasahiro Yamadaendif
22433fc5SMasahiro Yamadaifneq ($(strip $(clean-rule)),)
22433fc5SMasahiro Yamada	+$(clean-rule)
22433fc5SMasahiro Yamadaendif
22433fc5SMasahiro Yamada	@:
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada# ===========================================================================
22433fc5SMasahiro Yamada# Generic stuff
22433fc5SMasahiro Yamada# ===========================================================================
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada# Descending
22433fc5SMasahiro Yamada# ---------------------------------------------------------------------------
22433fc5SMasahiro Yamada
22433fc5SMasahiro YamadaPHONY += $(subdir-ymn)
22433fc5SMasahiro Yamada$(subdir-ymn):
22433fc5SMasahiro Yamada	$(Q)$(MAKE) $(clean)=$@
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada# If quiet is set, only print short version of command
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamadacmd = @$(if $($(quiet)cmd_$(1)),echo '  $($(quiet)cmd_$(1))' &&) $(cmd_$(1))
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada# Declare the contents of the .PHONY variable as phony.  We keep that
22433fc5SMasahiro Yamada# information in a variable se we can use it in if_changed and friends.
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada.PHONY: $(PHONY)