forked from Minki/linux
bcfefb61cd
kvmconfig' is a shorthand for kvm_guest.config to save 7 character typing.
xenconfig' is a shorthand for xen.config to save 1 character typing.
There is nothing more than that.
There are more files in kernel/configs/, so it is not maintainable
to wire-up every config fragment to the Kconfig Makefile. Hence,
we should not do this at all.
These will be removed after Linux 5.10. Meanwhile, the following
warning message will be displayed if they are used.
WARNING: 'make kvmconfig' will be removed after Linux 5.10
Please use 'make kvm_guest.config' instead.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
214 lines
7.5 KiB
Makefile
214 lines
7.5 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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helpnewconfig yes2modconfig mod2yesconfig
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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: $(obj)/conf
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ifneq ($(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)$(MAKE) -f $(srctree)/Makefile olddefconfig
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PHONY += kvmconfig
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kvmconfig: kvm_guest.config
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@echo >&2 "WARNING: 'make $@' will be removed after Linux 5.10"
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@echo >&2 " Please use 'make $<' instead."
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PHONY += xenconfig
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xenconfig: xen.config
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@echo >&2 "WARNING: 'make $@' will be removed after Linux 5.10"
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@echo >&2 " Please use 'make $<' instead."
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PHONY += tinyconfig
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tinyconfig:
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$(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-files += 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 ' except those preserved by LMC_KEEP environment variable'
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@echo ' localyesconfig - Update current config converting local mods to core'
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@echo ' except those preserved by LMC_KEEP environment variable'
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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 ' yes2modconfig - Change answers from yes to mod if possible'
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@echo ' mod2yesconfig - Change answers from mod to yes if possible'
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@echo ' listnewconfig - List new options'
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@echo ' helpnewconfig - List new options and help text'
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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 ' 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 util.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 += 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 += 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 $$cflags)
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$(obj)/nconf.o $(obj)/nconf.gui.o: $(obj)/nconf-cfg
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# mconf: Used for the menuconfig target based on lxdialog
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hostprogs += mconf
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lxdialog := $(addprefix lxdialog/, \
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checklist.o inputbox.o menubox.o textbox.o util.o yesno.o)
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mconf-objs := mconf.o $(lxdialog) $(common-objs)
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HOSTLDLIBS_mconf = $(shell . $(obj)/mconf-cfg && echo $$libs)
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$(foreach f, mconf.o $(lxdialog), \
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$(eval HOSTCFLAGS_$f = $$(shell . $(obj)/mconf-cfg && echo $$$$cflags)))
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$(addprefix $(obj)/, mconf.o $(lxdialog)): $(obj)/mconf-cfg
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# qconf: Used for the xconfig target based on Qt
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hostprogs += qconf
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qconf-cxxobjs := qconf.o
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qconf-objs := images.o $(common-objs)
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HOSTLDLIBS_qconf = $(shell . $(obj)/qconf-cfg && echo $$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 += 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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