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