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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-24 09:51:00 +07:00
fc2694ec1a
'ifeq ... else ifneq ... endif' notation is supported by GNU Make 3.81
or later, which is the requirement for building the kernel since
commit 37d69ee308 ("docs: bump minimal GNU Make version to 3.81").
Use it to improve the readability.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
209 lines
7.1 KiB
Makefile
209 lines
7.1 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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# ===========================================================================
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# Kernel configuration targets
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# These targets are used from top-level makefile
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PHONY += xconfig gconfig menuconfig config localmodconfig localyesconfig \
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build_menuconfig build_nconfig build_gconfig build_xconfig
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ifdef KBUILD_KCONFIG
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Kconfig := $(KBUILD_KCONFIG)
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else
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Kconfig := Kconfig
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endif
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ifeq ($(quiet),silent_)
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silent := -s
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endif
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# We need this, in case the user has it in its environment
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unexport CONFIG_
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xconfig: $(obj)/qconf
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$< $(silent) $(Kconfig)
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gconfig: $(obj)/gconf
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$< $(silent) $(Kconfig)
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menuconfig: $(obj)/mconf
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$< $(silent) $(Kconfig)
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config: $(obj)/conf
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$< $(silent) --oldaskconfig $(Kconfig)
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nconfig: $(obj)/nconf
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$< $(silent) $(Kconfig)
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build_menuconfig: $(obj)/mconf
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build_nconfig: $(obj)/nconf
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build_gconfig: $(obj)/gconf
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build_xconfig: $(obj)/qconf
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localyesconfig localmodconfig: $(obj)/conf
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$(Q)perl $(srctree)/$(src)/streamline_config.pl --$@ $(srctree) $(Kconfig) > .tmp.config
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$(Q)if [ -f .config ]; then \
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cmp -s .tmp.config .config || \
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(mv -f .config .config.old.1; \
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mv -f .tmp.config .config; \
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$< $(silent) --oldconfig $(Kconfig); \
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mv -f .config.old.1 .config.old) \
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else \
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mv -f .tmp.config .config; \
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$< $(silent) --oldconfig $(Kconfig); \
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fi
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$(Q)rm -f .tmp.config
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# These targets map 1:1 to the commandline options of 'conf'
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#
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# Note:
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# syncconfig has become an internal implementation detail and is now
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# deprecated for external use
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simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \
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alldefconfig randconfig listnewconfig olddefconfig syncconfig
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PHONY += $(simple-targets)
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$(simple-targets): $(obj)/conf
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$< $(silent) --$@ $(Kconfig)
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PHONY += savedefconfig defconfig
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savedefconfig: $(obj)/conf
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$< $(silent) --$@=defconfig $(Kconfig)
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defconfig: $(obj)/conf
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ifeq ($(KBUILD_DEFCONFIG),)
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$< $(silent) --defconfig $(Kconfig)
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else ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),)
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@$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
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$(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
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else
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@$(kecho) "*** Default configuration is based on target '$(KBUILD_DEFCONFIG)'"
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$(Q)$(MAKE) -f $(srctree)/Makefile $(KBUILD_DEFCONFIG)
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endif
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%_defconfig: $(obj)/conf
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$(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
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configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@)
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%.config: $(obj)/conf
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$(if $(call configfiles),, $(error No configuration exists for this target on this architecture))
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$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles)
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+$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig
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PHONY += kvmconfig
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kvmconfig: kvm_guest.config
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@:
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PHONY += xenconfig
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xenconfig: xen.config
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@:
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PHONY += tinyconfig
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tinyconfig:
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$(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config
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# CHECK: -o cache_dir=<path> working?
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PHONY += testconfig
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testconfig: $(obj)/conf
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$(PYTHON3) -B -m pytest $(srctree)/$(src)/tests \
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-o cache_dir=$(abspath $(obj)/tests/.cache) \
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$(if $(findstring 1,$(KBUILD_VERBOSE)),--capture=no)
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clean-dirs += tests/.cache
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# Help text used by make help
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help:
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@echo ' config - Update current config utilising a line-oriented program'
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@echo ' nconfig - Update current config utilising a ncurses menu based program'
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@echo ' menuconfig - Update current config utilising a menu based program'
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@echo ' xconfig - Update current config utilising a Qt based front-end'
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@echo ' gconfig - Update current config utilising a GTK+ based front-end'
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@echo ' oldconfig - Update current config utilising a provided .config as base'
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@echo ' localmodconfig - Update current config disabling modules not loaded'
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@echo ' localyesconfig - Update current config converting local mods to core'
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@echo ' defconfig - New config with default from ARCH supplied defconfig'
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@echo ' savedefconfig - Save current config as ./defconfig (minimal config)'
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@echo ' allnoconfig - New config where all options are answered with no'
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@echo ' allyesconfig - New config where all options are accepted with yes'
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@echo ' allmodconfig - New config selecting modules when possible'
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@echo ' alldefconfig - New config with all symbols set to default'
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@echo ' randconfig - New config with random answer to all options'
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@echo ' listnewconfig - List new options'
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@echo ' olddefconfig - Same as oldconfig but sets new symbols to their'
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@echo ' default value without prompting'
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@echo ' kvmconfig - Enable additional options for kvm guest kernel support'
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@echo ' xenconfig - Enable additional options for xen dom0 and guest kernel support'
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@echo ' tinyconfig - Configure the tiniest possible kernel'
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@echo ' testconfig - Run Kconfig unit tests (requires python3 and pytest)'
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# ===========================================================================
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# object files used by all kconfig flavours
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common-objs := confdata.o expr.o lexer.lex.o parser.tab.o preprocess.o \
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symbol.o
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$(obj)/lexer.lex.o: $(obj)/parser.tab.h
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HOSTCFLAGS_lexer.lex.o := -I $(srctree)/$(src)
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HOSTCFLAGS_parser.tab.o := -I $(srctree)/$(src)
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# conf: Used for defconfig, oldconfig and related targets
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hostprogs-y += conf
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conf-objs := conf.o $(common-objs)
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# nconf: Used for the nconfig target based on ncurses
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hostprogs-y += nconf
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nconf-objs := nconf.o nconf.gui.o $(common-objs)
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HOSTLDLIBS_nconf = $(shell . $(obj)/nconf-cfg && echo $$libs)
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HOSTCFLAGS_nconf.o = $(shell . $(obj)/nconf-cfg && echo $$cflags)
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HOSTCFLAGS_nconf.gui.o = $(shell . $(obj)/nconf-cfg && echo $$cflags)
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$(obj)/nconf.o $(obj)/nconf.gui.o: $(obj)/nconf-cfg
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# mconf: Used for the menuconfig target based on lxdialog
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hostprogs-y += mconf
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lxdialog := checklist.o inputbox.o menubox.o textbox.o util.o yesno.o
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mconf-objs := mconf.o $(addprefix lxdialog/, $(lxdialog)) $(common-objs)
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HOSTLDLIBS_mconf = $(shell . $(obj)/mconf-cfg && echo $$libs)
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$(foreach f, mconf.o $(lxdialog), \
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$(eval HOSTCFLAGS_$f = $$(shell . $(obj)/mconf-cfg && echo $$$$cflags)))
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$(obj)/mconf.o: $(obj)/mconf-cfg
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$(addprefix $(obj)/lxdialog/, $(lxdialog)): $(obj)/mconf-cfg
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# qconf: Used for the xconfig target based on Qt
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hostprogs-y += qconf
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qconf-cxxobjs := qconf.o
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qconf-objs := images.o $(common-objs)
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HOSTLDLIBS_qconf = $(shell . $(obj)/qconf-cfg && echo $$libs)
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HOSTCXXFLAGS_qconf.o = $(shell . $(obj)/qconf-cfg && echo $$cflags)
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$(obj)/qconf.o: $(obj)/qconf-cfg $(obj)/qconf.moc
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quiet_cmd_moc = MOC $@
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cmd_moc = $(shell . $(obj)/qconf-cfg && echo $$moc) -i $< -o $@
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$(obj)/%.moc: $(src)/%.h $(obj)/qconf-cfg
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$(call cmd,moc)
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# gconf: Used for the gconfig target based on GTK+
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hostprogs-y += gconf
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gconf-objs := gconf.o images.o $(common-objs)
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HOSTLDLIBS_gconf = $(shell . $(obj)/gconf-cfg && echo $$libs)
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HOSTCFLAGS_gconf.o = $(shell . $(obj)/gconf-cfg && echo $$cflags)
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$(obj)/gconf.o: $(obj)/gconf-cfg
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# check if necessary packages are available, and configure build flags
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filechk_conf_cfg = $(CONFIG_SHELL) $<
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$(obj)/%conf-cfg: $(src)/%conf-cfg.sh FORCE
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$(call filechk,conf_cfg)
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clean-files += *conf-cfg
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