# ===========================================================================# Kernel configuration targets# These targets are used from top-level makefile PHONY += oldconfig xconfig gconfig menuconfig config silentoldconfig update-po-config \	localmodconfig localyesconfig ifdef KBUILD_KCONFIGKconfig := $(KBUILD_KCONFIG)elseKconfig := Kconfigendif # We need this, in case the user has it in its environmentunexport CONFIG_ xconfig: $(obj)/qconf	$< $(Kconfig) gconfig: $(obj)/gconf	$< $(Kconfig) menuconfig: $(obj)/mconf	$< $(Kconfig) config: $(obj)/conf	$< --oldaskconfig $(Kconfig) nconfig: $(obj)/nconf	$< $(Kconfig) oldconfig: $(obj)/conf	$< --$@ $(Kconfig) silentoldconfig: $(obj)/conf	$(Q)mkdir -p include/config include/generated	$< --$@ $(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 --silentoldconfig $(Kconfig);	\			 mv -f .config.old.1 .config.old)		\	else								\			mv -f .tmp.config .config;			\			$(obj)/conf --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)echo "  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                                           \		echo "  GEN     $$i";                    \		$(obj)/kxgettext $$i                     \		     >> $(obj)/config.pot;               \	    done )	$(Q)echo "  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 PHONY += allnoconfig allyesconfig allmodconfig alldefconfig randconfig allnoconfig allyesconfig allmodconfig alldefconfig randconfig: $(obj)/conf	$< --$@ $(Kconfig) PHONY += listnewconfig olddefconfig oldnoconfig savedefconfig defconfig listnewconfig olddefconfig: $(obj)/conf	$< --$@ $(Kconfig) # 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: $(obj)/conf	$< --olddefconfig $(Kconfig) savedefconfig: $(obj)/conf	$< --$@=defconfig $(Kconfig) defconfig: $(obj)/confifeq ($(KBUILD_DEFCONFIG),)	$< --defconfig $(Kconfig)else	@echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"	$(Q)$< --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)endif %_defconfig: $(obj)/conf	$(Q)$< --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig) configfiles=$(wildcard $(srctree)/kernel/configs/$(1).config $(srctree)/arch/$(SRCARCH)/configs/$(1).config) define mergeconfig$(if $(wildcard $(objtree)/.config),, $(error You need an existing .config for this target))$(if $(call configfiles,$(1)),, $(error No configuration exists for this target on this architecture))$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m -O $(objtree) $(objtree)/.config $(call configfiles,$(1))$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfigendef PHONY += kvmconfigkvmconfig:	$(call mergeconfig,kvm_guest) PHONY += tinyconfigtinyconfig: allnoconfig	$(call mergeconfig,tiny) # 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 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 default value'	@echo  '  kvmconfig	  - Enable additional options for 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; echo "  CHECK   qt"; dir=""; pkg=""; \	if ! pkg-config --exists QtCore 2> /dev/null; then \	    echo "* Unable to find the QT4 tool qmake. Trying to use QT3"; \	    pkg-config --exists qt 2> /dev/null && pkg=qt; \	    pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \	    if [ -n "$$pkg" ]; then \	      cflags="\$$(shell pkg-config $$pkg --cflags)"; \	      libs="\$$(shell pkg-config $$pkg --libs)"; \	      moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \	      dir="$$(pkg-config $$pkg --variable=prefix)"; \	    else \	      for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \	        if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \	      done; \	      if [ -z "$$dir" ]; then \	        echo >&2 "*"; \	        echo >&2 "* Unable to find any QT installation. Please make sure that"; \	        echo >&2 "* the QT4 or QT3 development package is correctly installed and"; \	        echo >&2 "* either qmake can be found or install pkg-config or set"; \	        echo >&2 "* the QTDIR environment variable to the correct location."; \	        echo >&2 "*"; \	        false; \	      fi; \	      libpath=$$dir/lib; lib=qt; osdir=""; \	      $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \	        osdir=x$$($(HOSTCXX) -print-multi-os-directory); \	      test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \	      test -f $$libpath/libqt-mt.so && lib=qt-mt; \	      cflags="-I$$dir/include"; \	      libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \	      moc="$$dir/bin/moc"; \	    fi; \	    if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \	      echo "*"; \	      echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \	      echo "*"; \	      moc="/usr/bin/moc"; \	    fi; \	else \	  cflags="\$$(shell pkg-config QtCore QtGui Qt3Support --cflags)"; \	  libs="\$$(shell pkg-config QtCore QtGui Qt3Support --libs)"; \	  moc="\$$(shell pkg-config QtCore --variable=moc_location)"; \	  [ -n "$$moc" ] || moc="\$$(shell pkg-config QtCore --variable=prefix)/bin/moc"; \	fi; \	echo "KC_QT_CFLAGS=$$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