mirror of
https://github.com/sheumann/hush.git
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103 lines
3.2 KiB
Makefile
103 lines
3.2 KiB
Makefile
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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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# Shorthand for $(Q)$(MAKE) scripts/Makefile.clean obj=dir
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# Usage:
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# $(Q)$(MAKE) $(clean)=dir
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clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj
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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-n := $(patsubst %/,%,$(filter %/, $(obj-n)))
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subdir-n += $(__subdir-n)
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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-n) $(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 releative to the current
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# directory
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__clean-files := $(extra-y) $(EXTRA_TARGETS) $(always) \
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$(targets) $(clean-files) \
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$(host-progs) \
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$(hostprogs-y) $(hostprogs-m) $(hostprogs-)
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# as clean-files is given relative to the current directory, this adds
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# a $(obj) prefix, except for absolute paths
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__clean-files := $(wildcard \
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$(addprefix $(obj)/, $(filter-out /%, $(__clean-files))) \
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$(filter /%, $(__clean-files)))
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# as clean-dirs is given relative to the current directory, this adds
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# a $(obj) prefix, except for absolute paths
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__clean-dirs := $(wildcard \
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$(addprefix $(obj)/, $(filter-out /%, $(clean-dirs))) \
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$(filter /%, $(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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ifneq ($(strip $(clean-rule)),)
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+$(clean-rule)
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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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# If quiet is set, only print short version of command
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cmd = @$(if $($(quiet)cmd_$(1)),echo ' $($(quiet)cmd_$(1))' &&) $(cmd_$(1))
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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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