# ===========================================================================# Kernel configuration targets# These targets are used from top-level makefile PHONY += xconfig gconfig menuconfig config silentoldconfig update-po-config \	localmodconfig localyesconfig ifdef KBUILD_KCONFIGKconfig := $(KBUILD_KCONFIG)elseKconfig := Kconfigendif ifeq ($(quiet),silent_)silent := -sendif # We need this, in case the user has it in its environmentunexport CONFIG_ xconfig: $(obj)/qconf	$< $(silent) $(Kconfig) gconfig: $(obj)/gconf	$< $(silent) $(Kconfig) menuconfig: $(obj)/mconf	$< $(silent) $(Kconfig) config: $(obj)/conf	$< $(silent) --oldaskconfig $(Kconfig) nconfig: $(obj)/nconf	$< $(silent) $(Kconfig) silentoldconfig: $(obj)/conf	$(Q)mkdir -p include/config include/generated	$< $(silent) --$@ $(Kconfig) localyesconfig localmodconfig: $(obj)/streamline_config.pl $(obj)/conf	$(Q)mkdir -p include/config include/generated	$(Q)perl $< --$@ $(srctree) $(Kconfig) > .tmp.config	$(Q)if [ -f .config ]; then 					\			cmp -s .tmp.config .config ||			\			(mv -f .config .config.old.1;			\			 mv -f .tmp.config .config;			\			 $(obj)/conf $(silent) --silentoldconfig $(Kconfig); \			 mv -f .config.old.1 .config.old)		\	else								\			mv -f .tmp.config .config;			\			$(obj)/conf $(silent) --silentoldconfig $(Kconfig); \	fi	$(Q)rm -f .tmp.config # Create new linux.pot file# Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig filesupdate-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h	$(Q)$(kecho) "  GEN     config.pot"	$(Q)xgettext --default-domain=linux                         \	    --add-comments --keyword=_ --keyword=N_                 \	    --from-code=UTF-8                                       \	    --files-from=$(srctree)/scripts/kconfig/POTFILES.in     \	    --directory=$(srctree) --directory=$(objtree)           \	    --output $(obj)/config.pot	$(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot	$(Q)(for i in `ls $(srctree)/arch/*/Kconfig      \	    $(srctree)/arch/*/um/Kconfig`;               \	    do                                           \		$(kecho) "  GEN     $$i";                    \		$(obj)/kxgettext $$i                     \		     >> $(obj)/config.pot;               \	    done )	$(Q)$(kecho) "  GEN     linux.pot"	$(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \	    --output $(obj)/linux.pot	$(Q)rm -f $(obj)/config.pot # These targets map 1:1 to the commandline options of 'conf'simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \	alldefconfig randconfig listnewconfig olddefconfigPHONY += $(simple-targets) $(simple-targets): $(obj)/conf	$< $(silent) --$@ $(Kconfig) PHONY += oldnoconfig savedefconfig defconfig # oldnoconfig is an alias of olddefconfig, because people already are dependent# on its behavior (sets new symbols to their default value but not 'n') with the# counter-intuitive name.oldnoconfig: olddefconfig savedefconfig: $(obj)/conf	$< $(silent) --$@=defconfig $(Kconfig) defconfig: $(obj)/confifeq ($(KBUILD_DEFCONFIG),)	$< $(silent) --defconfig $(Kconfig)elseifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),)	@$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"	$(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)else	@$(kecho) "*** Default configuration is based on target '$(KBUILD_DEFCONFIG)'"	$(Q)$(MAKE) -f $(srctree)/Makefile $(KBUILD_DEFCONFIG)endifendif %_defconfig: $(obj)/conf	$(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig) configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@) %.config: $(obj)/conf	$(if $(call configfiles),, $(error No configuration exists for this target on this architecture))	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles)	+$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig PHONY += kvmconfigkvmconfig: kvm_guest.config	@: PHONY += xenconfigxenconfig: xen.config	@: PHONY += tinyconfigtinyconfig:	$(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config # Help text used by make helphelp:	@echo  '  config	  - Update current config utilising a line-oriented program'	@echo  '  nconfig         - Update current config utilising a ncurses menu based'	@echo  '                    program'	@echo  '  menuconfig	  - Update current config utilising a menu based program'	@echo  '  xconfig	  - Update current config utilising a Qt based front-end'	@echo  '  gconfig	  - Update current config utilising a GTK+ based front-end'	@echo  '  oldconfig	  - Update current config utilising a provided .config as base'	@echo  '  localmodconfig  - Update current config disabling modules not loaded'	@echo  '  localyesconfig  - Update current config converting local mods to core'	@echo  '  silentoldconfig - Same as oldconfig, but quietly, additionally update deps'	@echo  '  defconfig	  - New config with default from ARCH supplied defconfig'	@echo  '  savedefconfig   - Save current config as ./defconfig (minimal config)'	@echo  '  allnoconfig	  - New config where all options are answered with no'	@echo  '  allyesconfig	  - New config where all options are accepted with yes'	@echo  '  allmodconfig	  - New config selecting modules when possible'	@echo  '  alldefconfig    - New config with all symbols set to default'	@echo  '  randconfig	  - New config with random answer to all options'	@echo  '  listnewconfig   - List new options'	@echo  '  olddefconfig	  - Same as silentoldconfig but sets new symbols to their'	@echo  '                    default value'	@echo  '  kvmconfig	  - Enable additional options for kvm guest kernel support'	@echo  '  xenconfig       - Enable additional options for xen dom0 and guest kernel support'	@echo  '  tinyconfig	  - Configure the tiniest possible kernel' # lxdialog stuffcheck-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh # Use recursively expanded variables so we do not call gcc unless# we really need to do so. (Do not call gcc as part of make mrproper)HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \                    -DLOCALE # ===========================================================================# Shared Makefile for the various kconfig executables:# conf:	  Used for defconfig, oldconfig and related targets# nconf:  Used for the nconfig target.#         Utilizes ncurses# mconf:  Used for the menuconfig target#         Utilizes the lxdialog package# qconf:  Used for the xconfig target#         Based on Qt which needs to be installed to compile it# gconf:  Used for the gconfig target#         Based on GTK+ which needs to be installed to compile it# object files used by all kconfig flavours lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.olxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o conf-objs	:= conf.o  zconf.tab.omconf-objs     := mconf.o zconf.tab.o $(lxdialog)nconf-objs     := nconf.o zconf.tab.o nconf.gui.okxgettext-objs	:= kxgettext.o zconf.tab.oqconf-cxxobjs	:= qconf.oqconf-objs	:= zconf.tab.ogconf-objs	:= gconf.o zconf.tab.o hostprogs-y := conf nconf mconf kxgettext qconf gconf clean-files	:= qconf.moc .tmp_qtcheck .tmp_gtkcheckclean-files	+= zconf.tab.c zconf.lex.c zconf.hash.c gconf.glade.hclean-files     += config.pot linux.pot # Check that we have the required ncurses stuff installed for lxdialog (menuconfig)PHONY += $(obj)/dochecklxdialog$(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog$(obj)/dochecklxdialog:	$(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf) always := dochecklxdialog # Add environment specific flagsHOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS)) # generated files seem to need this to find local include filesHOSTCFLAGS_zconf.lex.o	:= -I$(src)HOSTCFLAGS_zconf.tab.o	:= -I$(src) LEX_PREFIX_zconf	:= zconfYACC_PREFIX_zconf	:= zconf HOSTLOADLIBES_qconf	= $(KC_QT_LIBS)HOSTCXXFLAGS_qconf.o	= $(KC_QT_CFLAGS) HOSTLOADLIBES_gconf	= `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`HOSTCFLAGS_gconf.o	= `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \                          -Wno-missing-prototypes HOSTLOADLIBES_mconf   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC)) HOSTLOADLIBES_nconf	= $(shell \				pkg-config --libs menuw panelw ncursesw 2>/dev/null \				|| pkg-config --libs menu panel ncurses 2>/dev/null \				|| echo "-lmenu -lpanel -lncurses"  )$(obj)/qconf.o: $(obj)/.tmp_qtcheck ifeq ($(MAKECMDGOALS),xconfig)$(obj)/.tmp_qtcheck: $(src)/Makefile-include $(obj)/.tmp_qtcheck # Qt needs some extra effort...$(obj)/.tmp_qtcheck:	@set -e; $(kecho) "  CHECK   qt"; \	if pkg-config --exists Qt5Core; then \	    cflags="-std=c++11 -fPIC `pkg-config --cflags Qt5Core Qt5Gui Qt5Widgets`"; \	    libs=`pkg-config --libs Qt5Core Qt5Gui Qt5Widgets`; \	    moc=`pkg-config --variable=host_bins Qt5Core`/moc; \	elif pkg-config --exists QtCore; then \	    cflags=`pkg-config --cflags QtCore QtGui`; \	    libs=`pkg-config --libs QtCore QtGui`; \	    moc=`pkg-config --variable=moc_location QtCore`; \	else \	    echo >&2 "*"; \	    echo >&2 "* Could not find Qt via pkg-config."; \	    echo >&2 "* Please install either Qt 4.8 or 5.x. and make sure it's in PKG_CONFIG_PATH"; \	    echo >&2 "*"; \	    exit 1; \	fi; \	echo "KC_QT_CFLAGS=$$cflags" > $@; \	echo "KC_QT_LIBS=$$libs" >> $@; \	echo "KC_QT_MOC=$$moc" >> $@endif $(obj)/gconf.o: $(obj)/.tmp_gtkcheck ifeq ($(MAKECMDGOALS),gconfig)-include $(obj)/.tmp_gtkcheck # GTK+ needs some extra effort, too...$(obj)/.tmp_gtkcheck:	@if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then		\		if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then			\			touch $@;								\		else									\			echo >&2 "*"; 							\			echo >&2 "* GTK+ is present but version >= 2.0.0 is required.";	\			echo >&2 "*";							\			false;								\		fi									\	else										\		echo >&2 "*"; 								\		echo >&2 "* Unable to find the GTK+ installation. Please make sure that"; 	\		echo >&2 "* the GTK+ 2.0 development package is correctly installed..."; 	\		echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; 		\		echo >&2 "*"; 								\		false;									\	fiendif $(obj)/zconf.tab.o: $(obj)/zconf.lex.c $(obj)/zconf.hash.c $(obj)/qconf.o: $(obj)/qconf.moc quiet_cmd_moc = MOC     $@      cmd_moc = $(KC_QT_MOC) -i $< -o $@ $(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck	$(call cmd,moc) # Extract gconf menu items for i18n support$(obj)/gconf.glade.h: $(obj)/gconf.glade	$(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \	$(obj)/gconf.glade