# ===========================================================================
  # 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_KCONFIG
  Kconfig := $(KBUILD_KCONFIG)
  else

  Kconfig := Kconfig

  endif

  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/generated

  	$< --$@ $(Kconfig)

  localyesconfig localmodconfig: $(obj)/streamline_config.pl $(obj)/conf

  	$(Q)mkdir -p 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 files

  update-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 oldnoconfig savedefconfig defconfig

  listnewconfig oldnoconfig: $(obj)/conf

  	$< --$@ $(Kconfig)

  savedefconfig: $(obj)/conf
  	$< --$@=defconfig $(Kconfig)

  defconfig: $(obj)/conf
  ifeq ($(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)

  
  # Help text used by make help
  help:
  	@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  '  oldnoconfig     - Same as silentoldconfig but set new symbols to n (unset)'

  # lxdialog stuff
  check-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.o
  lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o

  conf-objs	:= conf.o  zconf.tab.o

  mconf-objs     := mconf.o zconf.tab.o $(lxdialog)
  nconf-objs     := nconf.o zconf.tab.o nconf.gui.o

  kxgettext-objs	:= kxgettext.o zconf.tab.o

  qconf-cxxobjs	:= qconf.o

  qconf-objs	:= zconf.tab.o
  gconf-objs	:= gconf.o zconf.tab.o

  hostprogs-y := conf

  ifeq ($(MAKECMDGOALS),nconfig)
  	hostprogs-y += nconf
  endif

  ifeq ($(MAKECMDGOALS),menuconfig)
  	hostprogs-y += mconf
  endif

  ifeq ($(MAKECMDGOALS),update-po-config)
  	hostprogs-y += kxgettext
  endif

  ifeq ($(MAKECMDGOALS),xconfig)
  	qconf-target := 1
  endif
  ifeq ($(MAKECMDGOALS),gconfig)
  	gconf-target := 1
  endif
  
  
  ifeq ($(qconf-target),1)

  	hostprogs-y += qconf

  endif
  
  ifeq ($(gconf-target),1)

  	hostprogs-y += gconf

  endif

  clean-files	:= qconf.moc .tmp_qtcheck .tmp_gtkcheck

  clean-files	+= zconf.tab.c zconf.lex.c zconf.hash.c gconf.glade.h

  clean-files     += mconf qconf gconf nconf

  clean-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 flags
  HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))

  # generated files seem to need this to find local include files

  HOSTCFLAGS_zconf.lex.o	:= -I$(src)

  HOSTCFLAGS_zconf.tab.o	:= -I$(src)

  LEX_PREFIX_zconf	:= zconf
  YACC_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	= -lmenu -lpanel -lncurses

  $(obj)/qconf.o: $(obj)/.tmp_qtcheck
  
  ifeq ($(qconf-target),1)

  $(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 "*"; \
  	        echo "* Unable to find any QT installation. Please make sure that"; \
  	        echo "* the QT4 or QT3 development package is correctly installed and"; \
  	        echo "* either qmake can be found or install pkg-config or set"; \
  	        echo "* the QTDIR environment variable to the correct location."; \
  	        echo "*"; \
  	        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)"; \

  	  binpath="\$$(shell pkg-config QtCore --variable=prefix)"; \
  	  moc="$$binpath/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 ($(gconf-target),1)
  -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 "*"; 							\
  			echo "* GTK+ is present but version >= 2.0.0 is required.";	\
  			echo "*";							\
  			false;								\
  		fi									\
  	else										\
  		echo "*"; 								\
  		echo "* Unable to find the GTK+ installation. Please make sure that"; 	\
  		echo "* the GTK+ 2.0 development package is correctly installed..."; 	\
  		echo "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; 		\
  		echo "*"; 								\
  		false;									\
  	fi
  endif

  $(obj)/zconf.tab.o: $(obj)/zconf.lex.c $(obj)/zconf.hash.c

  $(obj)/qconf.o: $(obj)/qconf.moc

  
  $(obj)/%.moc: $(src)/%.h

  	$(KC_QT_MOC) -i $< -o $@

  # 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