1# =========================================================================== 2# Kernel configuration targets 3# These targets are used from top-level makefile 4# 5# SPDX-License-Identifier: GPL-2.0 6# 7 8PHONY += xconfig gconfig menuconfig config silentoldconfig update-po-config \ 9 localmodconfig localyesconfig 10 11# Added for U-Boot 12# Linux has defconfig files in arch/$(SRCARCH)/configs/, 13# on the other hand, U-Boot does in configs/. 14# Set SRCARCH to .. fake this Makefile. 15SRCARCH := .. 16 17ifdef KBUILD_KCONFIG 18Kconfig := $(KBUILD_KCONFIG) 19else 20Kconfig := Kconfig 21endif 22 23ifeq ($(quiet),silent_) 24silent := -s 25endif 26 27# We need this, in case the user has it in its environment 28unexport CONFIG_ 29 30xconfig: $(obj)/qconf 31 $< $(silent) $(Kconfig) 32 33gconfig: $(obj)/gconf 34 $< $(silent) $(Kconfig) 35 36menuconfig: $(obj)/mconf 37 $< $(silent) $(Kconfig) 38 39config: $(obj)/conf 40 $< $(silent) --oldaskconfig $(Kconfig) 41 42nconfig: $(obj)/nconf 43 $< $(silent) $(Kconfig) 44 45silentoldconfig: $(obj)/conf 46 $(Q)mkdir -p include/config include/generated 47 $< $(silent) --$@ $(Kconfig) 48 49localyesconfig localmodconfig: $(obj)/streamline_config.pl $(obj)/conf 50 $(Q)mkdir -p include/config include/generated 51 $(Q)perl $< --$@ $(srctree) $(Kconfig) > .tmp.config 52 $(Q)if [ -f .config ]; then \ 53 cmp -s .tmp.config .config || \ 54 (mv -f .config .config.old.1; \ 55 mv -f .tmp.config .config; \ 56 $(obj)/conf $(silent) --silentoldconfig $(Kconfig); \ 57 mv -f .config.old.1 .config.old) \ 58 else \ 59 mv -f .tmp.config .config; \ 60 $(obj)/conf $(silent) --silentoldconfig $(Kconfig); \ 61 fi 62 $(Q)rm -f .tmp.config 63 64# Create new linux.pot file 65# Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files 66update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h 67 $(Q)$(kecho) " GEN config.pot" 68 $(Q)xgettext --default-domain=linux \ 69 --add-comments --keyword=_ --keyword=N_ \ 70 --from-code=UTF-8 \ 71 --files-from=$(srctree)/scripts/kconfig/POTFILES.in \ 72 --directory=$(srctree) --directory=$(objtree) \ 73 --output $(obj)/config.pot 74 $(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot 75 $(Q)(for i in `ls $(srctree)/arch/*/Kconfig \ 76 $(srctree)/arch/*/um/Kconfig`; \ 77 do \ 78 $(kecho) " GEN $$i"; \ 79 $(obj)/kxgettext $$i \ 80 >> $(obj)/config.pot; \ 81 done ) 82 $(Q)$(kecho) " GEN linux.pot" 83 $(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \ 84 --output $(obj)/linux.pot 85 $(Q)rm -f $(obj)/config.pot 86 87# These targets map 1:1 to the commandline options of 'conf' 88simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \ 89 alldefconfig randconfig listnewconfig olddefconfig 90PHONY += $(simple-targets) 91 92$(simple-targets): $(obj)/conf 93 $< $(silent) --$@ $(Kconfig) 94 95PHONY += oldnoconfig savedefconfig defconfig 96 97# oldnoconfig is an alias of olddefconfig, because people already are dependent 98# on its behavior(sets new symbols to their default value but not 'n') with the 99# counter-intuitive name. 100oldnoconfig: olddefconfig 101 102savedefconfig: $(obj)/conf 103 $< $(silent) --$@=defconfig $(Kconfig) 104 105defconfig: $(obj)/conf 106ifeq ($(KBUILD_DEFCONFIG),) 107 $< $(silent) --defconfig $(Kconfig) 108else 109 @$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'" 110 $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig) 111endif 112 113%_defconfig: $(obj)/conf 114 $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig) 115 116# Added for U-Boot (backward compatibility) 117%_config: %_defconfig 118 @: 119 120configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@) 121 122%.config: $(obj)/conf 123 $(if $(call configfiles),, $(error No configuration exists for this target on this architecture)) 124 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles) 125 +$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig 126 127PHONY += kvmconfig 128kvmconfig: kvm_guest.config 129 @: 130 131PHONY += tinyconfig 132tinyconfig: 133 $(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config 134 135# Help text used by make help 136help: 137 @echo ' config - Update current config utilising a line-oriented program' 138 @echo ' nconfig - Update current config utilising a ncurses menu based 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 default value' 155# @echo ' kvmconfig - Enable additional options for guest kernel support' 156# @echo ' tinyconfig - Configure the tiniest possible kernel' 157 158# lxdialog stuff 159check-lxdialog := $(srctree)/$(src)/lxdialog/check-lxdialog.sh 160 161# Use recursively expanded variables so we do not call gcc unless 162# we really need to do so. (Do not call gcc as part of make mrproper) 163HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \ 164 -DLOCALE 165 166# =========================================================================== 167# Shared Makefile for the various kconfig executables: 168# conf: Used for defconfig, oldconfig and related targets 169# nconf: Used for the nconfig target. 170# Utilizes ncurses 171# mconf: Used for the menuconfig target 172# Utilizes the lxdialog package 173# qconf: Used for the xconfig target 174# Based on QT which needs to be installed to compile it 175# gconf: Used for the gconfig target 176# Based on GTK which needs to be installed to compile it 177# object files used by all kconfig flavours 178 179lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o 180lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o 181 182conf-objs := conf.o zconf.tab.o 183mconf-objs := mconf.o zconf.tab.o $(lxdialog) 184nconf-objs := nconf.o zconf.tab.o nconf.gui.o 185kxgettext-objs := kxgettext.o zconf.tab.o 186qconf-cxxobjs := qconf.o 187qconf-objs := zconf.tab.o 188gconf-objs := gconf.o zconf.tab.o 189 190hostprogs-y := conf nconf mconf kxgettext qconf gconf 191 192clean-files := qconf.moc .tmp_qtcheck .tmp_gtkcheck 193clean-files += zconf.tab.c zconf.lex.c zconf.hash.c gconf.glade.h 194clean-files += config.pot linux.pot 195 196# Check that we have the required ncurses stuff installed for lxdialog (menuconfig) 197PHONY += $(obj)/dochecklxdialog 198$(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog 199$(obj)/dochecklxdialog: 200 $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf) 201 202always := dochecklxdialog 203 204# Add environment specific flags 205HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS)) 206 207# generated files seem to need this to find local include files 208HOSTCFLAGS_zconf.lex.o := -I$(src) 209HOSTCFLAGS_zconf.tab.o := -I$(src) 210 211LEX_PREFIX_zconf := zconf 212YACC_PREFIX_zconf := zconf 213 214HOSTLOADLIBES_qconf = $(KC_QT_LIBS) 215HOSTCXXFLAGS_qconf.o = $(KC_QT_CFLAGS) 216 217HOSTLOADLIBES_gconf = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0` 218HOSTCFLAGS_gconf.o = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \ 219 -Wno-missing-prototypes 220 221HOSTLOADLIBES_mconf = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC)) 222 223HOSTLOADLIBES_nconf = $(shell \ 224 pkg-config --libs menuw panelw ncursesw 2>/dev/null \ 225 || pkg-config --libs menu panel ncurses 2>/dev/null \ 226 || echo "-lmenu -lpanel -lncurses" ) 227$(obj)/qconf.o: $(obj)/.tmp_qtcheck 228 229ifeq ($(MAKECMDGOALS),xconfig) 230$(obj)/.tmp_qtcheck: $(src)/Makefile 231-include $(obj)/.tmp_qtcheck 232 233# QT needs some extra effort... 234$(obj)/.tmp_qtcheck: 235 @set -e; $(kecho) " CHECK qt"; dir=""; pkg=""; \ 236 if ! pkg-config --exists QtCore 2> /dev/null; then \ 237 echo "* Unable to find the QT4 tool qmake. Trying to use QT3"; \ 238 pkg-config --exists qt 2> /dev/null && pkg=qt; \ 239 pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \ 240 if [ -n "$$pkg" ]; then \ 241 cflags="\$$(shell pkg-config $$pkg --cflags)"; \ 242 libs="\$$(shell pkg-config $$pkg --libs)"; \ 243 moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \ 244 dir="$$(pkg-config $$pkg --variable=prefix)"; \ 245 else \ 246 for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \ 247 if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \ 248 done; \ 249 if [ -z "$$dir" ]; then \ 250 echo >&2 "*"; \ 251 echo >&2 "* Unable to find any QT installation. Please make sure that"; \ 252 echo >&2 "* the QT4 or QT3 development package is correctly installed and"; \ 253 echo >&2 "* either qmake can be found or install pkg-config or set"; \ 254 echo >&2 "* the QTDIR environment variable to the correct location."; \ 255 echo >&2 "*"; \ 256 false; \ 257 fi; \ 258 libpath=$$dir/lib; lib=qt; osdir=""; \ 259 $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \ 260 osdir=x$$($(HOSTCXX) -print-multi-os-directory); \ 261 test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \ 262 test -f $$libpath/libqt-mt.so && lib=qt-mt; \ 263 cflags="-I$$dir/include"; \ 264 libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \ 265 moc="$$dir/bin/moc"; \ 266 fi; \ 267 if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \ 268 echo "*"; \ 269 echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \ 270 echo "*"; \ 271 moc="/usr/bin/moc"; \ 272 fi; \ 273 else \ 274 cflags="\$$(shell pkg-config QtCore QtGui Qt3Support --cflags)"; \ 275 libs="\$$(shell pkg-config QtCore QtGui Qt3Support --libs)"; \ 276 moc="\$$(shell pkg-config QtCore --variable=moc_location)"; \ 277 [ -n "$$moc" ] || moc="\$$(shell pkg-config QtCore --variable=prefix)/bin/moc"; \ 278 fi; \ 279 echo "KC_QT_CFLAGS=$$cflags" > $@; \ 280 echo "KC_QT_LIBS=$$libs" >> $@; \ 281 echo "KC_QT_MOC=$$moc" >> $@ 282endif 283 284$(obj)/gconf.o: $(obj)/.tmp_gtkcheck 285 286ifeq ($(MAKECMDGOALS),gconfig) 287-include $(obj)/.tmp_gtkcheck 288 289# GTK needs some extra effort, too... 290$(obj)/.tmp_gtkcheck: 291 @if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then \ 292 if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then \ 293 touch $@; \ 294 else \ 295 echo >&2 "*"; \ 296 echo >&2 "* GTK+ is present but version >= 2.0.0 is required."; \ 297 echo >&2 "*"; \ 298 false; \ 299 fi \ 300 else \ 301 echo >&2 "*"; \ 302 echo >&2 "* Unable to find the GTK+ installation. Please make sure that"; \ 303 echo >&2 "* the GTK+ 2.0 development package is correctly installed..."; \ 304 echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; \ 305 echo >&2 "*"; \ 306 false; \ 307 fi 308endif 309 310$(obj)/zconf.tab.o: $(obj)/zconf.lex.c $(obj)/zconf.hash.c 311 312$(obj)/qconf.o: $(obj)/qconf.moc 313 314quiet_cmd_moc = MOC $@ 315 cmd_moc = $(KC_QT_MOC) -i $< -o $@ 316 317$(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck 318 $(call cmd,moc) 319 320# Extract gconf menu items for I18N support 321$(obj)/gconf.glade.h: $(obj)/gconf.glade 322 $(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \ 323 $(obj)/gconf.glade 324