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