1# =========================================================================== 2# Kernel configuration targets 3# These targets are used from top-level makefile 4 5PHONY += xconfig gconfig menuconfig config silentoldconfig update-po-config \ 6 localmodconfig localyesconfig 7 8ifdef KBUILD_KCONFIG 9Kconfig := $(KBUILD_KCONFIG) 10else 11Kconfig := Kconfig 12endif 13 14ifeq ($(quiet),silent_) 15silent := -s 16endif 17 18# We need this, in case the user has it in its environment 19unexport CONFIG_ 20 21xconfig: $(obj)/qconf 22 $< $(silent) $(Kconfig) 23 24gconfig: $(obj)/gconf 25 $< $(silent) $(Kconfig) 26 27menuconfig: $(obj)/mconf 28 $< $(silent) $(Kconfig) 29 30config: $(obj)/conf 31 $< $(silent) --oldaskconfig $(Kconfig) 32 33nconfig: $(obj)/nconf 34 $< $(silent) $(Kconfig) 35 36silentoldconfig: $(obj)/conf 37 $(Q)mkdir -p include/config include/generated 38 $< $(silent) --$@ $(Kconfig) 39 40localyesconfig localmodconfig: $(obj)/streamline_config.pl $(obj)/conf 41 $(Q)mkdir -p include/config include/generated 42 $(Q)perl $< --$@ $(srctree) $(Kconfig) > .tmp.config 43 $(Q)if [ -f .config ]; then \ 44 cmp -s .tmp.config .config || \ 45 (mv -f .config .config.old.1; \ 46 mv -f .tmp.config .config; \ 47 $(obj)/conf $(silent) --silentoldconfig $(Kconfig); \ 48 mv -f .config.old.1 .config.old) \ 49 else \ 50 mv -f .tmp.config .config; \ 51 $(obj)/conf $(silent) --silentoldconfig $(Kconfig); \ 52 fi 53 $(Q)rm -f .tmp.config 54 55# Create new linux.pot file 56# Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files 57update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h 58 $(Q)$(kecho) " GEN config.pot" 59 $(Q)xgettext --default-domain=linux \ 60 --add-comments --keyword=_ --keyword=N_ \ 61 --from-code=UTF-8 \ 62 --files-from=$(srctree)/scripts/kconfig/POTFILES.in \ 63 --directory=$(srctree) --directory=$(objtree) \ 64 --output $(obj)/config.pot 65 $(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot 66 $(Q)(for i in `ls $(srctree)/arch/*/Kconfig \ 67 $(srctree)/arch/*/um/Kconfig`; \ 68 do \ 69 $(kecho) " GEN $$i"; \ 70 $(obj)/kxgettext $$i \ 71 >> $(obj)/config.pot; \ 72 done ) 73 $(Q)$(kecho) " GEN linux.pot" 74 $(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \ 75 --output $(obj)/linux.pot 76 $(Q)rm -f $(obj)/config.pot 77 78# These targets map 1:1 to the commandline options of 'conf' 79simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \ 80 alldefconfig randconfig listnewconfig olddefconfig 81PHONY += $(simple-targets) 82 83$(simple-targets): $(obj)/conf 84 $< $(silent) --$@ $(Kconfig) 85 86PHONY += oldnoconfig savedefconfig defconfig 87 88# oldnoconfig is an alias of olddefconfig, because people already are dependent 89# on its behavior (sets new symbols to their default value but not 'n') with the 90# counter-intuitive name. 91oldnoconfig: olddefconfig 92 93savedefconfig: $(obj)/conf 94 $< $(silent) --$@=defconfig $(Kconfig) 95 96defconfig: $(obj)/conf 97ifeq ($(KBUILD_DEFCONFIG),) 98 $< $(silent) --defconfig $(Kconfig) 99else 100 @$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'" 101 $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig) 102endif 103 104%_defconfig: $(obj)/conf 105 $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig) 106 107configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@) 108 109%.config: $(obj)/conf 110 $(if $(call configfiles),, $(error No configuration exists for this target on this architecture)) 111 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles) 112 +$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig 113 114PHONY += kvmconfig 115kvmconfig: kvm_guest.config 116 @: 117 118PHONY += tinyconfig 119tinyconfig: 120 $(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config 121 122# Help text used by make help 123help: 124 @echo ' config - Update current config utilising a line-oriented program' 125 @echo ' nconfig - Update current config utilising a ncurses menu based' 126 @echo ' program' 127 @echo ' menuconfig - Update current config utilising a menu based program' 128 @echo ' xconfig - Update current config utilising a Qt based front-end' 129 @echo ' gconfig - Update current config utilising a GTK+ based front-end' 130 @echo ' oldconfig - Update current config utilising a provided .config as base' 131 @echo ' localmodconfig - Update current config disabling modules not loaded' 132 @echo ' localyesconfig - Update current config converting local mods to core' 133 @echo ' silentoldconfig - Same as oldconfig, but quietly, additionally update deps' 134 @echo ' defconfig - New config with default from ARCH supplied defconfig' 135 @echo ' savedefconfig - Save current config as ./defconfig (minimal config)' 136 @echo ' allnoconfig - New config where all options are answered with no' 137 @echo ' allyesconfig - New config where all options are accepted with yes' 138 @echo ' allmodconfig - New config selecting modules when possible' 139 @echo ' alldefconfig - New config with all symbols set to default' 140 @echo ' randconfig - New config with random answer to all options' 141 @echo ' listnewconfig - List new options' 142 @echo ' olddefconfig - Same as silentoldconfig but sets new symbols to their' 143 @echo ' default value' 144 @echo ' kvmconfig - Enable additional options for guest kernel support' 145 @echo ' tinyconfig - Configure the tiniest possible kernel' 146 147# lxdialog stuff 148check-lxdialog := $(srctree)/$(src)/lxdialog/check-lxdialog.sh 149 150# Use recursively expanded variables so we do not call gcc unless 151# we really need to do so. (Do not call gcc as part of make mrproper) 152HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \ 153 -DLOCALE 154 155# =========================================================================== 156# Shared Makefile for the various kconfig executables: 157# conf: Used for defconfig, oldconfig and related targets 158# nconf: Used for the nconfig target. 159# Utilizes ncurses 160# mconf: Used for the menuconfig target 161# Utilizes the lxdialog package 162# qconf: Used for the xconfig target 163# Based on Qt which needs to be installed to compile it 164# gconf: Used for the gconfig target 165# Based on GTK+ which needs to be installed to compile it 166# object files used by all kconfig flavours 167 168lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o 169lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o 170 171conf-objs := conf.o zconf.tab.o 172mconf-objs := mconf.o zconf.tab.o $(lxdialog) 173nconf-objs := nconf.o zconf.tab.o nconf.gui.o 174kxgettext-objs := kxgettext.o zconf.tab.o 175qconf-cxxobjs := qconf.o 176qconf-objs := zconf.tab.o 177gconf-objs := gconf.o zconf.tab.o 178 179hostprogs-y := conf nconf mconf kxgettext qconf gconf 180 181clean-files := qconf.moc .tmp_qtcheck .tmp_gtkcheck 182clean-files += zconf.tab.c zconf.lex.c zconf.hash.c gconf.glade.h 183clean-files += config.pot linux.pot 184 185# Check that we have the required ncurses stuff installed for lxdialog (menuconfig) 186PHONY += $(obj)/dochecklxdialog 187$(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog 188$(obj)/dochecklxdialog: 189 $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf) 190 191always := dochecklxdialog 192 193# Add environment specific flags 194HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS)) 195 196# generated files seem to need this to find local include files 197HOSTCFLAGS_zconf.lex.o := -I$(src) 198HOSTCFLAGS_zconf.tab.o := -I$(src) 199 200LEX_PREFIX_zconf := zconf 201YACC_PREFIX_zconf := zconf 202 203HOSTLOADLIBES_qconf = $(KC_QT_LIBS) 204HOSTCXXFLAGS_qconf.o = $(KC_QT_CFLAGS) 205 206HOSTLOADLIBES_gconf = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0` 207HOSTCFLAGS_gconf.o = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \ 208 -Wno-missing-prototypes 209 210HOSTLOADLIBES_mconf = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC)) 211 212HOSTLOADLIBES_nconf = $(shell \ 213 pkg-config --libs menuw panelw ncursesw 2>/dev/null \ 214 || pkg-config --libs menu panel ncurses 2>/dev/null \ 215 || echo "-lmenu -lpanel -lncurses" ) 216$(obj)/qconf.o: $(obj)/.tmp_qtcheck 217 218ifeq ($(MAKECMDGOALS),xconfig) 219$(obj)/.tmp_qtcheck: $(src)/Makefile 220-include $(obj)/.tmp_qtcheck 221 222# Qt needs some extra effort... 223$(obj)/.tmp_qtcheck: 224 @set -e; $(kecho) " CHECK qt"; dir=""; pkg=""; \ 225 if ! pkg-config --exists QtCore 2> /dev/null; then \ 226 echo "* Unable to find the Qt4 tool qmake. Trying to use Qt3"; \ 227 pkg-config --exists qt 2> /dev/null && pkg=qt; \ 228 pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \ 229 if [ -n "$$pkg" ]; then \ 230 cflags="\$$(shell pkg-config $$pkg --cflags)"; \ 231 libs="\$$(shell pkg-config $$pkg --libs)"; \ 232 moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \ 233 dir="$$(pkg-config $$pkg --variable=prefix)"; \ 234 else \ 235 for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \ 236 if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \ 237 done; \ 238 if [ -z "$$dir" ]; then \ 239 echo >&2 "*"; \ 240 echo >&2 "* Unable to find any Qt installation. Please make sure that"; \ 241 echo >&2 "* the Qt4 or Qt3 development package is correctly installed and"; \ 242 echo >&2 "* either qmake can be found or install pkg-config or set"; \ 243 echo >&2 "* the QTDIR environment variable to the correct location."; \ 244 echo >&2 "*"; \ 245 false; \ 246 fi; \ 247 libpath=$$dir/lib; lib=qt; osdir=""; \ 248 $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \ 249 osdir=x$$($(HOSTCXX) -print-multi-os-directory); \ 250 test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \ 251 test -f $$libpath/libqt-mt.so && lib=qt-mt; \ 252 cflags="-I$$dir/include"; \ 253 libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \ 254 moc="$$dir/bin/moc"; \ 255 fi; \ 256 if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \ 257 echo "*"; \ 258 echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \ 259 echo "*"; \ 260 moc="/usr/bin/moc"; \ 261 fi; \ 262 else \ 263 cflags="\$$(shell pkg-config QtCore QtGui Qt3Support --cflags)"; \ 264 libs="\$$(shell pkg-config QtCore QtGui Qt3Support --libs)"; \ 265 moc="\$$(shell pkg-config QtCore --variable=moc_location)"; \ 266 [ -n "$$moc" ] || moc="\$$(shell pkg-config QtCore --variable=prefix)/bin/moc"; \ 267 fi; \ 268 echo "KC_QT_CFLAGS=$$cflags" > $@; \ 269 echo "KC_QT_LIBS=$$libs" >> $@; \ 270 echo "KC_QT_MOC=$$moc" >> $@ 271endif 272 273$(obj)/gconf.o: $(obj)/.tmp_gtkcheck 274 275ifeq ($(MAKECMDGOALS),gconfig) 276-include $(obj)/.tmp_gtkcheck 277 278# GTK+ needs some extra effort, too... 279$(obj)/.tmp_gtkcheck: 280 @if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then \ 281 if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then \ 282 touch $@; \ 283 else \ 284 echo >&2 "*"; \ 285 echo >&2 "* GTK+ is present but version >= 2.0.0 is required."; \ 286 echo >&2 "*"; \ 287 false; \ 288 fi \ 289 else \ 290 echo >&2 "*"; \ 291 echo >&2 "* Unable to find the GTK+ installation. Please make sure that"; \ 292 echo >&2 "* the GTK+ 2.0 development package is correctly installed..."; \ 293 echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; \ 294 echo >&2 "*"; \ 295 false; \ 296 fi 297endif 298 299$(obj)/zconf.tab.o: $(obj)/zconf.lex.c $(obj)/zconf.hash.c 300 301$(obj)/qconf.o: $(obj)/qconf.moc 302 303quiet_cmd_moc = MOC $@ 304 cmd_moc = $(KC_QT_MOC) -i $< -o $@ 305 306$(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck 307 $(call cmd,moc) 308 309# Extract gconf menu items for i18n support 310$(obj)/gconf.glade.h: $(obj)/gconf.glade 311 $(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \ 312 $(obj)/gconf.glade 313