1# =========================================================================== 2# Kernel configuration targets 3# These targets are used from top-level makefile 4 5PHONY += xconfig gconfig menuconfig config silentoldconfig update-po-config \ 6 localmodconfig localyesconfig 7 8ifdef KBUILD_KCONFIG 9Kconfig := $(KBUILD_KCONFIG) 10else 11Kconfig := Kconfig 12endif 13 14ifeq ($(quiet),silent_) 15silent := -s 16endif 17 18# We need this, in case the user has it in its environment 19unexport CONFIG_ 20 21xconfig: $(obj)/qconf 22 $< $(silent) $(Kconfig) 23 24gconfig: $(obj)/gconf 25 $< $(silent) $(Kconfig) 26 27menuconfig: $(obj)/mconf 28 $< $(silent) $(Kconfig) 29 30config: $(obj)/conf 31 $< $(silent) --oldaskconfig $(Kconfig) 32 33nconfig: $(obj)/nconf 34 $< $(silent) $(Kconfig) 35 36silentoldconfig: $(obj)/conf 37 $(Q)mkdir -p include/config include/generated 38 $(Q)test -e include/generated/autoksyms.h || \ 39 touch include/generated/autoksyms.h 40 $< $(silent) --$@ $(Kconfig) 41 42localyesconfig localmodconfig: $(obj)/streamline_config.pl $(obj)/conf 43 $(Q)mkdir -p include/config include/generated 44 $(Q)perl $< --$@ $(srctree) $(Kconfig) > .tmp.config 45 $(Q)if [ -f .config ]; then \ 46 cmp -s .tmp.config .config || \ 47 (mv -f .config .config.old.1; \ 48 mv -f .tmp.config .config; \ 49 $(obj)/conf $(silent) --silentoldconfig $(Kconfig); \ 50 mv -f .config.old.1 .config.old) \ 51 else \ 52 mv -f .tmp.config .config; \ 53 $(obj)/conf $(silent) --silentoldconfig $(Kconfig); \ 54 fi 55 $(Q)rm -f .tmp.config 56 57# Create new linux.pot file 58# Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files 59update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h 60 $(Q)$(kecho) " GEN config.pot" 61 $(Q)xgettext --default-domain=linux \ 62 --add-comments --keyword=_ --keyword=N_ \ 63 --from-code=UTF-8 \ 64 --files-from=$(srctree)/scripts/kconfig/POTFILES.in \ 65 --directory=$(srctree) --directory=$(objtree) \ 66 --output $(obj)/config.pot 67 $(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot 68 $(Q)(for i in `ls $(srctree)/arch/*/Kconfig \ 69 $(srctree)/arch/*/um/Kconfig`; \ 70 do \ 71 $(kecho) " GEN $$i"; \ 72 $(obj)/kxgettext $$i \ 73 >> $(obj)/config.pot; \ 74 done ) 75 $(Q)$(kecho) " GEN linux.pot" 76 $(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \ 77 --output $(obj)/linux.pot 78 $(Q)rm -f $(obj)/config.pot 79 80# These targets map 1:1 to the commandline options of 'conf' 81simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \ 82 alldefconfig randconfig listnewconfig olddefconfig 83PHONY += $(simple-targets) 84 85$(simple-targets): $(obj)/conf 86 $< $(silent) --$@ $(Kconfig) 87 88PHONY += oldnoconfig savedefconfig defconfig 89 90# oldnoconfig is an alias of olddefconfig, because people already are dependent 91# on its behavior (sets new symbols to their default value but not 'n') with the 92# counter-intuitive name. 93oldnoconfig: olddefconfig 94 95savedefconfig: $(obj)/conf 96 $< $(silent) --$@=defconfig $(Kconfig) 97 98defconfig: $(obj)/conf 99ifeq ($(KBUILD_DEFCONFIG),) 100 $< $(silent) --defconfig $(Kconfig) 101else 102ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),) 103 @$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'" 104 $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig) 105else 106 @$(kecho) "*** Default configuration is based on target '$(KBUILD_DEFCONFIG)'" 107 $(Q)$(MAKE) -f $(srctree)/Makefile $(KBUILD_DEFCONFIG) 108endif 109endif 110 111%_defconfig: $(obj)/conf 112 $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig) 113 114configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@) 115 116%.config: $(obj)/conf 117 $(if $(call configfiles),, $(error No configuration exists for this target on this architecture)) 118 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles) 119 +$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig 120 121PHONY += kvmconfig 122kvmconfig: kvm_guest.config 123 @: 124 125PHONY += xenconfig 126xenconfig: xen.config 127 @: 128 129PHONY += tinyconfig 130tinyconfig: 131 $(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config 132 133# Help text used by make help 134help: 135 @echo ' config - Update current config utilising a line-oriented program' 136 @echo ' nconfig - Update current config utilising a ncurses menu based' 137 @echo ' program' 138 @echo ' menuconfig - Update current config utilising a menu based program' 139 @echo ' xconfig - Update current config utilising a Qt based front-end' 140 @echo ' gconfig - Update current config utilising a GTK+ based front-end' 141 @echo ' oldconfig - Update current config utilising a provided .config as base' 142 @echo ' localmodconfig - Update current config disabling modules not loaded' 143 @echo ' localyesconfig - Update current config converting local mods to core' 144 @echo ' silentoldconfig - Same as oldconfig, but quietly, additionally update deps' 145 @echo ' defconfig - New config with default from ARCH supplied defconfig' 146 @echo ' savedefconfig - Save current config as ./defconfig (minimal config)' 147 @echo ' allnoconfig - New config where all options are answered with no' 148 @echo ' allyesconfig - New config where all options are accepted with yes' 149 @echo ' allmodconfig - New config selecting modules when possible' 150 @echo ' alldefconfig - New config with all symbols set to default' 151 @echo ' randconfig - New config with random answer to all options' 152 @echo ' listnewconfig - List new options' 153 @echo ' olddefconfig - Same as silentoldconfig but sets new symbols to their' 154 @echo ' default value' 155 @echo ' kvmconfig - Enable additional options for kvm guest kernel support' 156 @echo ' xenconfig - Enable additional options for xen dom0 and guest kernel support' 157 @echo ' tinyconfig - Configure the tiniest possible kernel' 158 159# lxdialog stuff 160check-lxdialog := $(srctree)/$(src)/lxdialog/check-lxdialog.sh 161 162# Use recursively expanded variables so we do not call gcc unless 163# we really need to do so. (Do not call gcc as part of make mrproper) 164HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \ 165 -DLOCALE 166 167# =========================================================================== 168# Shared Makefile for the various kconfig executables: 169# conf: Used for defconfig, oldconfig and related targets 170# nconf: Used for the nconfig target. 171# Utilizes ncurses 172# mconf: Used for the menuconfig target 173# Utilizes the lxdialog package 174# qconf: Used for the xconfig target 175# Based on Qt which needs to be installed to compile it 176# gconf: Used for the gconfig target 177# Based on GTK+ which needs to be installed to compile it 178# object files used by all kconfig flavours 179 180lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o 181lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o 182 183conf-objs := conf.o zconf.tab.o 184mconf-objs := mconf.o zconf.tab.o $(lxdialog) 185nconf-objs := nconf.o zconf.tab.o nconf.gui.o 186kxgettext-objs := kxgettext.o zconf.tab.o 187qconf-cxxobjs := qconf.o 188qconf-objs := zconf.tab.o 189gconf-objs := gconf.o zconf.tab.o 190 191hostprogs-y := conf nconf mconf kxgettext qconf gconf 192 193clean-files := qconf.moc .tmp_qtcheck .tmp_gtkcheck 194clean-files += zconf.tab.c zconf.lex.c gconf.glade.h 195clean-files += config.pot linux.pot 196 197# Check that we have the required ncurses stuff installed for lxdialog (menuconfig) 198PHONY += $(obj)/dochecklxdialog 199$(addprefix $(obj)/, mconf.o $(lxdialog)): $(obj)/dochecklxdialog 200$(obj)/dochecklxdialog: 201 $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf) 202 203always := dochecklxdialog 204 205# Add environment specific flags 206HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS)) 207 208# generated files seem to need this to find local include files 209HOSTCFLAGS_zconf.lex.o := -I$(src) 210HOSTCFLAGS_zconf.tab.o := -I$(src) 211 212LEX_PREFIX_zconf := zconf 213YACC_PREFIX_zconf := zconf 214 215HOSTLOADLIBES_qconf = $(KC_QT_LIBS) 216HOSTCXXFLAGS_qconf.o = $(KC_QT_CFLAGS) 217 218HOSTLOADLIBES_gconf = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0` 219HOSTCFLAGS_gconf.o = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \ 220 -Wno-missing-prototypes 221 222HOSTLOADLIBES_mconf = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC)) 223 224HOSTLOADLIBES_nconf = $(shell \ 225 pkg-config --libs menuw panelw ncursesw 2>/dev/null \ 226 || pkg-config --libs menu panel ncurses 2>/dev/null \ 227 || echo "-lmenu -lpanel -lncurses" ) 228$(obj)/qconf.o: $(obj)/.tmp_qtcheck 229 230ifeq ($(MAKECMDGOALS),xconfig) 231$(obj)/.tmp_qtcheck: $(src)/Makefile 232-include $(obj)/.tmp_qtcheck 233 234# Qt needs some extra effort... 235$(obj)/.tmp_qtcheck: 236 @set -e; $(kecho) " CHECK qt"; \ 237 if pkg-config --exists Qt5Core; then \ 238 cflags="-std=c++11 -fPIC `pkg-config --cflags Qt5Core Qt5Gui Qt5Widgets`"; \ 239 libs=`pkg-config --libs Qt5Core Qt5Gui Qt5Widgets`; \ 240 moc=`pkg-config --variable=host_bins Qt5Core`/moc; \ 241 elif pkg-config --exists QtCore; then \ 242 cflags=`pkg-config --cflags QtCore QtGui`; \ 243 libs=`pkg-config --libs QtCore QtGui`; \ 244 moc=`pkg-config --variable=moc_location QtCore`; \ 245 else \ 246 echo >&2 "*"; \ 247 echo >&2 "* Could not find Qt via pkg-config."; \ 248 echo >&2 "* Please install either Qt 4.8 or 5.x. and make sure it's in PKG_CONFIG_PATH"; \ 249 echo >&2 "*"; \ 250 exit 1; \ 251 fi; \ 252 echo "KC_QT_CFLAGS=$$cflags" > $@; \ 253 echo "KC_QT_LIBS=$$libs" >> $@; \ 254 echo "KC_QT_MOC=$$moc" >> $@ 255endif 256 257$(obj)/gconf.o: $(obj)/.tmp_gtkcheck 258 259ifeq ($(MAKECMDGOALS),gconfig) 260-include $(obj)/.tmp_gtkcheck 261 262# GTK+ needs some extra effort, too... 263$(obj)/.tmp_gtkcheck: 264 @if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then \ 265 if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then \ 266 touch $@; \ 267 else \ 268 echo >&2 "*"; \ 269 echo >&2 "* GTK+ is present but version >= 2.0.0 is required."; \ 270 echo >&2 "*"; \ 271 false; \ 272 fi \ 273 else \ 274 echo >&2 "*"; \ 275 echo >&2 "* Unable to find the GTK+ installation. Please make sure that"; \ 276 echo >&2 "* the GTK+ 2.0 development package is correctly installed..."; \ 277 echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; \ 278 echo >&2 "*"; \ 279 false; \ 280 fi 281endif 282 283$(obj)/zconf.tab.o: $(obj)/zconf.lex.c 284 285$(obj)/qconf.o: $(obj)/qconf.moc 286 287quiet_cmd_moc = MOC $@ 288 cmd_moc = $(KC_QT_MOC) -i $< -o $@ 289 290$(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck 291 $(call cmd,moc) 292 293# Extract gconf menu items for i18n support 294$(obj)/gconf.glade.h: $(obj)/gconf.glade 295 $(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \ 296 $(obj)/gconf.glade 297