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94 lines
3.0 KiB
94 lines
3.0 KiB
# SPDX-License-Identifier: GPL-2.0 |
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# ========================================================================== |
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# Cleaning up |
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# ========================================================================== |
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src := $(obj) |
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PHONY := __clean |
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__clean: |
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include scripts/Kbuild.include |
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# The filename Kbuild has precedence over Makefile |
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kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src)) |
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-include $(if $(wildcard $(kbuild-dir)/Kbuild), $(kbuild-dir)/Kbuild, $(kbuild-dir)/Makefile) |
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# Figure out what we need to build from the various variables |
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# ========================================================================== |
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__subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y))) |
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subdir-y += $(__subdir-y) |
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__subdir-m := $(patsubst %/,%,$(filter %/, $(obj-m))) |
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subdir-m += $(__subdir-m) |
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__subdir- := $(patsubst %/,%,$(filter %/, $(obj-))) |
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subdir- += $(__subdir-) |
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# Subdirectories we need to descend into |
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subdir-ym := $(sort $(subdir-y) $(subdir-m)) |
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subdir-ymn := $(sort $(subdir-ym) $(subdir-)) |
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# Add subdir path |
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subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn)) |
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# build a list of files to remove, usually relative to the current |
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# directory |
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__clean-files := $(extra-y) $(extra-m) $(extra-) \ |
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$(always) $(targets) $(clean-files) \ |
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$(host-progs) \ |
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$(hostprogs-y) $(hostprogs-m) $(hostprogs-) \ |
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$(hostlibs-y) $(hostlibs-m) $(hostlibs-) \ |
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$(hostcxxlibs-y) $(hostcxxlibs-m) |
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__clean-files := $(filter-out $(no-clean-files), $(__clean-files)) |
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# clean-files is given relative to the current directory, unless it |
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# starts with $(objtree)/ (which means "./", so do not add "./" unless |
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# you want to delete a file from the toplevel object directory). |
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__clean-files := $(wildcard \ |
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$(addprefix $(obj)/, $(filter-out $(objtree)/%, $(__clean-files))) \ |
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$(filter $(objtree)/%, $(__clean-files))) |
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# same as clean-files |
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__clean-dirs := $(wildcard \ |
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$(addprefix $(obj)/, $(filter-out $(objtree)/%, $(clean-dirs))) \ |
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$(filter $(objtree)/%, $(clean-dirs))) |
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# ========================================================================== |
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quiet_cmd_clean = CLEAN $(obj) |
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cmd_clean = rm -f $(__clean-files) |
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quiet_cmd_cleandir = CLEAN $(__clean-dirs) |
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cmd_cleandir = rm -rf $(__clean-dirs) |
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__clean: $(subdir-ymn) |
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ifneq ($(strip $(__clean-files)),) |
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+$(call cmd,clean) |
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endif |
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ifneq ($(strip $(__clean-dirs)),) |
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+$(call cmd,cleandir) |
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endif |
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@: |
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# =========================================================================== |
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# Generic stuff |
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# =========================================================================== |
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# Descending |
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# --------------------------------------------------------------------------- |
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PHONY += $(subdir-ymn) |
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$(subdir-ymn): |
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$(Q)$(MAKE) $(clean)=$@ |
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# Declare the contents of the .PHONY variable as phony. We keep that |
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# information in a variable se we can use it in if_changed and friends. |
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.PHONY: $(PHONY)
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