1# SPDX-License-Identifier: GPL-2.0 2# =========================================================================== 3# Kernel configuration targets 4# These targets are used from top-level makefile 5 6PHONY += xconfig gconfig menuconfig config syncconfig update-po-config \ 7 localmodconfig localyesconfig 8 9ifdef KBUILD_KCONFIG 10Kconfig := $(KBUILD_KCONFIG) 11else 12Kconfig := Kconfig 13endif 14 15ifeq ($(quiet),silent_) 16silent := -s 17endif 18 19# We need this, in case the user has it in its environment 20unexport CONFIG_ 21 22xconfig: $(obj)/qconf 23 $< $(silent) $(Kconfig) 24 25gconfig: $(obj)/gconf 26 $< $(silent) $(Kconfig) 27 28menuconfig: $(obj)/mconf 29 $< $(silent) $(Kconfig) 30 31config: $(obj)/conf 32 $< $(silent) --oldaskconfig $(Kconfig) 33 34nconfig: $(obj)/nconf 35 $< $(silent) $(Kconfig) 36 37# This has become an internal implementation detail and is now deprecated 38# for external use. 39syncconfig: $(obj)/conf 40 $(Q)mkdir -p include/config include/generated 41 $(Q)test -e include/generated/autoksyms.h || \ 42 touch include/generated/autoksyms.h 43 $< $(silent) --$@ $(Kconfig) 44 45localyesconfig localmodconfig: $(obj)/conf 46 $(Q)mkdir -p include/config include/generated 47 $(Q)perl $(srctree)/$(src)/streamline_config.pl --$@ $(srctree) $(Kconfig) > .tmp.config 48 $(Q)if [ -f .config ]; then \ 49 cmp -s .tmp.config .config || \ 50 (mv -f .config .config.old.1; \ 51 mv -f .tmp.config .config; \ 52 $< $(silent) --oldconfig $(Kconfig); \ 53 mv -f .config.old.1 .config.old) \ 54 else \ 55 mv -f .tmp.config .config; \ 56 $< $(silent) --oldconfig $(Kconfig); \ 57 fi 58 $(Q)rm -f .tmp.config 59 60# Create new linux.pot file 61# Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files 62update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h 63 $(Q)$(kecho) " GEN config.pot" 64 $(Q)xgettext --default-domain=linux \ 65 --add-comments --keyword=_ --keyword=N_ \ 66 --from-code=UTF-8 \ 67 --files-from=$(srctree)/scripts/kconfig/POTFILES.in \ 68 --directory=$(srctree) --directory=$(objtree) \ 69 --output $(obj)/config.pot 70 $(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot 71 $(Q)(for i in `ls $(srctree)/arch/*/Kconfig \ 72 $(srctree)/arch/*/um/Kconfig`; \ 73 do \ 74 $(kecho) " GEN $$i"; \ 75 $(obj)/kxgettext $$i \ 76 >> $(obj)/config.pot; \ 77 done ) 78 $(Q)$(kecho) " GEN linux.pot" 79 $(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \ 80 --output $(obj)/linux.pot 81 $(Q)rm -f $(obj)/config.pot 82 83# These targets map 1:1 to the commandline options of 'conf' 84simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \ 85 alldefconfig randconfig listnewconfig olddefconfig 86PHONY += $(simple-targets) 87 88$(simple-targets): $(obj)/conf 89 $< $(silent) --$@ $(Kconfig) 90 91PHONY += oldnoconfig silentoldconfig savedefconfig defconfig 92 93# oldnoconfig is an alias of olddefconfig, because people already are dependent 94# on its behavior (sets new symbols to their default value but not 'n') with the 95# counter-intuitive name. 96oldnoconfig: olddefconfig 97 @echo " WARNING: \"oldnoconfig\" target will be removed after Linux 4.19" 98 @echo " Please use \"olddefconfig\" instead, which is an alias." 99 100# We do not expect manual invokcation of "silentoldcofig" (or "syncconfig"). 101silentoldconfig: syncconfig 102 @echo " WARNING: \"silentoldconfig\" has been renamed to \"syncconfig\"" 103 @echo " and is now an internal implementation detail." 104 @echo " What you want is probably \"oldconfig\"." 105 @echo " \"silentoldconfig\" will be removed after Linux 4.19" 106 107savedefconfig: $(obj)/conf 108 $< $(silent) --$@=defconfig $(Kconfig) 109 110defconfig: $(obj)/conf 111ifeq ($(KBUILD_DEFCONFIG),) 112 $< $(silent) --defconfig $(Kconfig) 113else 114ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),) 115 @$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'" 116 $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig) 117else 118 @$(kecho) "*** Default configuration is based on target '$(KBUILD_DEFCONFIG)'" 119 $(Q)$(MAKE) -f $(srctree)/Makefile $(KBUILD_DEFCONFIG) 120endif 121endif 122 123%_defconfig: $(obj)/conf 124 $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig) 125 126configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@) 127 128%.config: $(obj)/conf 129 $(if $(call configfiles),, $(error No configuration exists for this target on this architecture)) 130 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles) 131 +$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig 132 133PHONY += kvmconfig 134kvmconfig: kvm_guest.config 135 @: 136 137PHONY += xenconfig 138xenconfig: xen.config 139 @: 140 141PHONY += tinyconfig 142tinyconfig: 143 $(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config 144 145# Help text used by make help 146help: 147 @echo ' config - Update current config utilising a line-oriented program' 148 @echo ' nconfig - Update current config utilising a ncurses menu based' 149 @echo ' program' 150 @echo ' menuconfig - Update current config utilising a menu based program' 151 @echo ' xconfig - Update current config utilising a Qt based front-end' 152 @echo ' gconfig - Update current config utilising a GTK+ based front-end' 153 @echo ' oldconfig - Update current config utilising a provided .config as base' 154 @echo ' localmodconfig - Update current config disabling modules not loaded' 155 @echo ' localyesconfig - Update current config converting local mods to core' 156 @echo ' defconfig - New config with default from ARCH supplied defconfig' 157 @echo ' savedefconfig - Save current config as ./defconfig (minimal config)' 158 @echo ' allnoconfig - New config where all options are answered with no' 159 @echo ' allyesconfig - New config where all options are accepted with yes' 160 @echo ' allmodconfig - New config selecting modules when possible' 161 @echo ' alldefconfig - New config with all symbols set to default' 162 @echo ' randconfig - New config with random answer to all options' 163 @echo ' listnewconfig - List new options' 164 @echo ' olddefconfig - Same as oldconfig but sets new symbols to their' 165 @echo ' default value without prompting' 166 @echo ' kvmconfig - Enable additional options for kvm guest kernel support' 167 @echo ' xenconfig - Enable additional options for xen dom0 and guest kernel support' 168 @echo ' tinyconfig - Configure the tiniest possible kernel' 169 170# lxdialog stuff 171check-lxdialog := $(srctree)/$(src)/lxdialog/check-lxdialog.sh 172 173# Use recursively expanded variables so we do not call gcc unless 174# we really need to do so. (Do not call gcc as part of make mrproper) 175HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \ 176 -DLOCALE 177 178# =========================================================================== 179# Shared Makefile for the various kconfig executables: 180# conf: Used for defconfig, oldconfig and related targets 181# nconf: Used for the nconfig target. 182# Utilizes ncurses 183# mconf: Used for the menuconfig target 184# Utilizes the lxdialog package 185# qconf: Used for the xconfig target 186# Based on Qt which needs to be installed to compile it 187# gconf: Used for the gconfig target 188# Based on GTK+ which needs to be installed to compile it 189# object files used by all kconfig flavours 190 191lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o 192lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o 193 194conf-objs := conf.o zconf.tab.o 195mconf-objs := mconf.o zconf.tab.o $(lxdialog) 196nconf-objs := nconf.o zconf.tab.o nconf.gui.o 197kxgettext-objs := kxgettext.o zconf.tab.o 198qconf-cxxobjs := qconf.o 199qconf-objs := zconf.tab.o 200gconf-objs := gconf.o zconf.tab.o 201 202hostprogs-y := conf nconf mconf kxgettext qconf gconf 203 204targets += zconf.tab.c zconf.lex.c 205clean-files := qconf.moc .tmp_qtcheck .tmp_gtkcheck 206clean-files += zconf.tab.c zconf.lex.c gconf.glade.h 207clean-files += config.pot linux.pot 208 209# Check that we have the required ncurses stuff installed for lxdialog (menuconfig) 210PHONY += $(obj)/dochecklxdialog 211$(addprefix $(obj)/, mconf.o $(lxdialog)): $(obj)/dochecklxdialog 212$(obj)/dochecklxdialog: 213 $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf) 214 215always := dochecklxdialog 216 217# Add environment specific flags 218HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS)) 219HOST_EXTRACXXFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCXX) $(HOSTCXXFLAGS)) 220 221# generated files seem to need this to find local include files 222HOSTCFLAGS_zconf.lex.o := -I$(src) 223HOSTCFLAGS_zconf.tab.o := -I$(src) 224 225HOSTLOADLIBES_qconf = $(KC_QT_LIBS) 226HOSTCXXFLAGS_qconf.o = $(KC_QT_CFLAGS) 227 228HOSTLOADLIBES_gconf = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0` 229HOSTCFLAGS_gconf.o = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \ 230 -Wno-missing-prototypes 231 232HOSTLOADLIBES_mconf = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC)) 233 234HOSTLOADLIBES_nconf = $(shell \ 235 pkg-config --libs menuw panelw ncursesw 2>/dev/null \ 236 || pkg-config --libs menu panel ncurses 2>/dev/null \ 237 || echo "-lmenu -lpanel -lncurses" ) 238$(obj)/qconf.o: $(obj)/.tmp_qtcheck 239 240ifeq ($(MAKECMDGOALS),xconfig) 241$(obj)/.tmp_qtcheck: $(src)/Makefile 242-include $(obj)/.tmp_qtcheck 243 244# Qt needs some extra effort... 245$(obj)/.tmp_qtcheck: 246 @set -e; $(kecho) " CHECK qt"; \ 247 if pkg-config --exists Qt5Core; then \ 248 cflags="-std=c++11 -fPIC `pkg-config --cflags Qt5Core Qt5Gui Qt5Widgets`"; \ 249 libs=`pkg-config --libs Qt5Core Qt5Gui Qt5Widgets`; \ 250 moc=`pkg-config --variable=host_bins Qt5Core`/moc; \ 251 elif pkg-config --exists QtCore; then \ 252 cflags=`pkg-config --cflags QtCore QtGui`; \ 253 libs=`pkg-config --libs QtCore QtGui`; \ 254 moc=`pkg-config --variable=moc_location QtCore`; \ 255 else \ 256 echo >&2 "*"; \ 257 echo >&2 "* Could not find Qt via pkg-config."; \ 258 echo >&2 "* Please install either Qt 4.8 or 5.x. and make sure it's in PKG_CONFIG_PATH"; \ 259 echo >&2 "*"; \ 260 exit 1; \ 261 fi; \ 262 echo "KC_QT_CFLAGS=$$cflags" > $@; \ 263 echo "KC_QT_LIBS=$$libs" >> $@; \ 264 echo "KC_QT_MOC=$$moc" >> $@ 265endif 266 267$(obj)/gconf.o: $(obj)/.tmp_gtkcheck 268 269ifeq ($(MAKECMDGOALS),gconfig) 270-include $(obj)/.tmp_gtkcheck 271 272# GTK+ needs some extra effort, too... 273$(obj)/.tmp_gtkcheck: 274 @if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then \ 275 if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then \ 276 touch $@; \ 277 else \ 278 echo >&2 "*"; \ 279 echo >&2 "* GTK+ is present but version >= 2.0.0 is required."; \ 280 echo >&2 "*"; \ 281 false; \ 282 fi \ 283 else \ 284 echo >&2 "*"; \ 285 echo >&2 "* Unable to find the GTK+ installation. Please make sure that"; \ 286 echo >&2 "* the GTK+ 2.0 development package is correctly installed..."; \ 287 echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; \ 288 echo >&2 "*"; \ 289 false; \ 290 fi 291endif 292 293$(obj)/zconf.tab.o: $(obj)/zconf.lex.c 294 295$(obj)/qconf.o: $(obj)/qconf.moc 296 297quiet_cmd_moc = MOC $@ 298 cmd_moc = $(KC_QT_MOC) -i $< -o $@ 299 300$(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck 301 $(call cmd,moc) 302 303# Extract gconf menu items for i18n support 304$(obj)/gconf.glade.h: $(obj)/gconf.glade 305 $(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \ 306 $(obj)/gconf.glade 307