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 37# This has become an internal implementation detail and is now deprecated 38# for external use. 39silentoldconfig: $(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)/streamline_config.pl $(obj)/conf 46 $(Q)mkdir -p include/config include/generated 47 $(Q)perl $< --$@ $(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 $(obj)/conf $(silent) --silentoldconfig $(Kconfig); \ 53 mv -f .config.old.1 .config.old) \ 54 else \ 55 mv -f .tmp.config .config; \ 56 $(obj)/conf $(silent) --silentoldconfig $(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 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 100savedefconfig: $(obj)/conf 101 $< $(silent) --$@=defconfig $(Kconfig) 102 103defconfig: $(obj)/conf 104ifeq ($(KBUILD_DEFCONFIG),) 105 $< $(silent) --defconfig $(Kconfig) 106else 107ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),) 108 @$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'" 109 $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig) 110else 111 @$(kecho) "*** Default configuration is based on target '$(KBUILD_DEFCONFIG)'" 112 $(Q)$(MAKE) -f $(srctree)/Makefile $(KBUILD_DEFCONFIG) 113endif 114endif 115 116%_defconfig: $(obj)/conf 117 $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig) 118 119configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@) 120 121%.config: $(obj)/conf 122 $(if $(call configfiles),, $(error No configuration exists for this target on this architecture)) 123 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles) 124 +$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig 125 126PHONY += kvmconfig 127kvmconfig: kvm_guest.config 128 @: 129 130PHONY += xenconfig 131xenconfig: xen.config 132 @: 133 134PHONY += tinyconfig 135tinyconfig: 136 $(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config 137 138# Help text used by make help 139help: 140 @echo ' config - Update current config utilising a line-oriented program' 141 @echo ' nconfig - Update current config utilising a ncurses menu based' 142 @echo ' program' 143 @echo ' menuconfig - Update current config utilising a menu based program' 144 @echo ' xconfig - Update current config utilising a Qt based front-end' 145 @echo ' gconfig - Update current config utilising a GTK+ based front-end' 146 @echo ' oldconfig - Update current config utilising a provided .config as base' 147 @echo ' localmodconfig - Update current config disabling modules not loaded' 148 @echo ' localyesconfig - Update current config converting local mods to core' 149 @echo ' defconfig - New config with default from ARCH supplied defconfig' 150 @echo ' savedefconfig - Save current config as ./defconfig (minimal config)' 151 @echo ' allnoconfig - New config where all options are answered with no' 152 @echo ' allyesconfig - New config where all options are accepted with yes' 153 @echo ' allmodconfig - New config selecting modules when possible' 154 @echo ' alldefconfig - New config with all symbols set to default' 155 @echo ' randconfig - New config with random answer to all options' 156 @echo ' listnewconfig - List new options' 157 @echo ' olddefconfig - Same as oldconfig but sets new symbols to their' 158 @echo ' default value without prompting' 159 @echo ' kvmconfig - Enable additional options for kvm guest kernel support' 160 @echo ' xenconfig - Enable additional options for xen dom0 and guest kernel support' 161 @echo ' tinyconfig - Configure the tiniest possible kernel' 162 163# lxdialog stuff 164check-lxdialog := $(srctree)/$(src)/lxdialog/check-lxdialog.sh 165 166# Use recursively expanded variables so we do not call gcc unless 167# we really need to do so. (Do not call gcc as part of make mrproper) 168HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \ 169 -DLOCALE 170 171# =========================================================================== 172# Shared Makefile for the various kconfig executables: 173# conf: Used for defconfig, oldconfig and related targets 174# nconf: Used for the nconfig target. 175# Utilizes ncurses 176# mconf: Used for the menuconfig target 177# Utilizes the lxdialog package 178# qconf: Used for the xconfig target 179# Based on Qt which needs to be installed to compile it 180# gconf: Used for the gconfig target 181# Based on GTK+ which needs to be installed to compile it 182# object files used by all kconfig flavours 183 184lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o 185lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o 186 187conf-objs := conf.o zconf.tab.o 188mconf-objs := mconf.o zconf.tab.o $(lxdialog) 189nconf-objs := nconf.o zconf.tab.o nconf.gui.o 190kxgettext-objs := kxgettext.o zconf.tab.o 191qconf-cxxobjs := qconf.o 192qconf-objs := zconf.tab.o 193gconf-objs := gconf.o zconf.tab.o 194 195hostprogs-y := conf nconf mconf kxgettext qconf gconf 196 197targets += zconf.tab.c zconf.lex.c 198clean-files := qconf.moc .tmp_qtcheck .tmp_gtkcheck 199clean-files += zconf.tab.c zconf.lex.c gconf.glade.h 200clean-files += config.pot linux.pot 201 202# Check that we have the required ncurses stuff installed for lxdialog (menuconfig) 203PHONY += $(obj)/dochecklxdialog 204$(addprefix $(obj)/, mconf.o $(lxdialog)): $(obj)/dochecklxdialog 205$(obj)/dochecklxdialog: 206 $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf) 207 208always := dochecklxdialog 209 210# Add environment specific flags 211HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS)) 212HOST_EXTRACXXFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCXX) $(HOSTCXXFLAGS)) 213 214# generated files seem to need this to find local include files 215HOSTCFLAGS_zconf.lex.o := -I$(src) 216HOSTCFLAGS_zconf.tab.o := -I$(src) 217 218HOSTLOADLIBES_qconf = $(KC_QT_LIBS) 219HOSTCXXFLAGS_qconf.o = $(KC_QT_CFLAGS) 220 221HOSTLOADLIBES_gconf = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0` 222HOSTCFLAGS_gconf.o = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \ 223 -Wno-missing-prototypes 224 225HOSTLOADLIBES_mconf = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC)) 226 227HOSTLOADLIBES_nconf = $(shell \ 228 pkg-config --libs menuw panelw ncursesw 2>/dev/null \ 229 || pkg-config --libs menu panel ncurses 2>/dev/null \ 230 || echo "-lmenu -lpanel -lncurses" ) 231$(obj)/qconf.o: $(obj)/.tmp_qtcheck 232 233ifeq ($(MAKECMDGOALS),xconfig) 234$(obj)/.tmp_qtcheck: $(src)/Makefile 235-include $(obj)/.tmp_qtcheck 236 237# Qt needs some extra effort... 238$(obj)/.tmp_qtcheck: 239 @set -e; $(kecho) " CHECK qt"; \ 240 if pkg-config --exists Qt5Core; then \ 241 cflags="-std=c++11 -fPIC `pkg-config --cflags Qt5Core Qt5Gui Qt5Widgets`"; \ 242 libs=`pkg-config --libs Qt5Core Qt5Gui Qt5Widgets`; \ 243 moc=`pkg-config --variable=host_bins Qt5Core`/moc; \ 244 elif pkg-config --exists QtCore; then \ 245 cflags=`pkg-config --cflags QtCore QtGui`; \ 246 libs=`pkg-config --libs QtCore QtGui`; \ 247 moc=`pkg-config --variable=moc_location QtCore`; \ 248 else \ 249 echo >&2 "*"; \ 250 echo >&2 "* Could not find Qt via pkg-config."; \ 251 echo >&2 "* Please install either Qt 4.8 or 5.x. and make sure it's in PKG_CONFIG_PATH"; \ 252 echo >&2 "*"; \ 253 exit 1; \ 254 fi; \ 255 echo "KC_QT_CFLAGS=$$cflags" > $@; \ 256 echo "KC_QT_LIBS=$$libs" >> $@; \ 257 echo "KC_QT_MOC=$$moc" >> $@ 258endif 259 260$(obj)/gconf.o: $(obj)/.tmp_gtkcheck 261 262ifeq ($(MAKECMDGOALS),gconfig) 263-include $(obj)/.tmp_gtkcheck 264 265# GTK+ needs some extra effort, too... 266$(obj)/.tmp_gtkcheck: 267 @if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then \ 268 if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then \ 269 touch $@; \ 270 else \ 271 echo >&2 "*"; \ 272 echo >&2 "* GTK+ is present but version >= 2.0.0 is required."; \ 273 echo >&2 "*"; \ 274 false; \ 275 fi \ 276 else \ 277 echo >&2 "*"; \ 278 echo >&2 "* Unable to find the GTK+ installation. Please make sure that"; \ 279 echo >&2 "* the GTK+ 2.0 development package is correctly installed..."; \ 280 echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; \ 281 echo >&2 "*"; \ 282 false; \ 283 fi 284endif 285 286$(obj)/zconf.tab.o: $(obj)/zconf.lex.c 287 288$(obj)/qconf.o: $(obj)/qconf.moc 289 290quiet_cmd_moc = MOC $@ 291 cmd_moc = $(KC_QT_MOC) -i $< -o $@ 292 293$(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck 294 $(call cmd,moc) 295 296# Extract gconf menu items for i18n support 297$(obj)/gconf.glade.h: $(obj)/gconf.glade 298 $(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \ 299 $(obj)/gconf.glade 300