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# ==========================================================================
# Cleaning up
# ==========================================================================
src := $(obj)
.PHONY := __clean
__clean:
# Shorthand for $(Q)$(MAKE) scripts/Makefile.clean obj=dir
# Usage:
# $(Q)$(MAKE) $(clean)=dir
clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj
# The filename Kbuild has precedence over Makefile
kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
include $(if $(wildcard $(kbuild-dir)/Kbuild), $(kbuild-dir)/Kbuild, $(kbuild-dir)/Makefile)
# Figure out what we need to build from the various variables
# ==========================================================================
subdirs := $(subdir-y) $(subdir-m) $(subdir-n) $(subdir-)
subdirs += $(patsubst %/,%,$(filter %/, $(obj-y)))
subdirs += $(patsubst %/,%,$(filter %/, $(obj-m)))
subdirs += $(patsubst %/,%,$(filter %/, $(obj-n)))
subdirs += $(patsubst %/,%,$(filter %/, $(obj-)))
subdirs += $(patsubst %/,%,$(filter %/, $(klib-y)))
subdirs += $(patsubst %/,%,$(filter %/, $(klib-)))
# Subdirectories we need to descend into
subdirs := $(addprefix $(obj)/,$(sort $(subdirs)))
# build a list of files to remove, usually releative to the current
# directory
__clean-files := $(extra-y) $(EXTRA_TARGETS) $(always) \
$(targets) $(clean-files) \
$(host-progs) \
$(hostprogs-y) $(hostprogs-m) $(hostprogs-) \
klib.list
# as clean-files is given relative to the current directory, this adds
# a $(obj) prefix, except for absolute paths
__clean-files := $(wildcard \
$(addprefix $(obj)/, $(filter-out /%, $(__clean-files))) \
$(filter /%, $(__clean-files)))
# as clean-dirs is given relative to the current directory, this adds
# a $(obj) prefix, except for absolute paths
__clean-dirs := $(wildcard \
$(addprefix $(obj)/, $(filter-out /%, $(clean-dirs))) \
$(filter /%, $(clean-dirs)))
# ==========================================================================
quiet_cmd_clean = CLEAN $(obj)
cmd_clean = rm -f $(__clean-files)
quiet_cmd_cleandir = CLEAN $(__clean-dirs)
cmd_cleandir = rm -rf $(__clean-dirs)
__clean: $(subdirs)
ifneq ($(strip $(__clean-files)),)
+$(call cmd,clean)
endif
ifneq ($(strip $(__clean-dirs)),)
+$(call cmd,cleandir)
endif
ifneq ($(strip $(clean-rule)),)
+$(clean-rule)
endif
@:
# ===========================================================================
# Generic stuff
# ===========================================================================
# Descending
# ---------------------------------------------------------------------------
PHONY += $(subdirs)
$(subdirs):
$(Q)$(MAKE) $(clean)=$@
# If quiet is set, only print short version of command
cmd = @$(if $($(quiet)cmd_$(1)),echo ' $($(quiet)cmd_$(1))' &&) $(cmd_$(1))
# Declare the contents of the PHONY variable as phony. We keep the variable for
# if_changed.
.PHONY: $(PHONY)
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