1# =========================================================================== 2# Kernel configuration targets 3# These targets are used from top-level makefile 4 5PHONY += oldconfig xconfig gconfig menuconfig config silentoldconfig update-po-config 6 7xconfig: $(obj)/qconf 8 $< Config.in 9 10gconfig: $(obj)/gconf 11 $< Config.in 12 13menuconfig: $(obj)/mconf 14 $(Q)$(MAKE) $(build)=scripts/kconfig/lxdialog 15 $< Config.in 16 17config: $(obj)/conf 18 $< Config.in 19 20# Mtime granularity problem. 21# It was observed that these commands: 22# make allnoconfig; sed -i -e '/CONFIG_TRUE/s/.*/CONFIG_TRUE=y/' .config; make 23# sometimes produce busybox with "true" applet still disabled. 24# This is caused by .config updated by sed having mtime which is still 25# equal to (not bigger than) include/autoconf.h's mtime, 26# and thus 2nd make does not regenerate include/autoconf.h. 27# Waiting for 1 second after non-interactive "make XXXXconfig" 28# prevents this from happening. 29# 30# We'd like to detect whether filesystem we are on has coarse mtimes, 31# but can't do it yet, bbox ls hasn't got --full-time. 32#MTIME_IS_COARSE:=@ls --full-time -ld | grep -F .000 >/dev/null 33MTIME_IS_COARSE:=@true 34 35oldconfig: $(obj)/conf 36 $< -o Config.in 37 $(MTIME_IS_COARSE) && sleep 1 38 39silentoldconfig: $(obj)/conf 40 $< -s Config.in 41 $(MTIME_IS_COARSE) && sleep 1 42 43update-po-config: $(obj)/kxgettext 44 xgettext --default-domain=linux \ 45 --add-comments --keyword=_ --keyword=N_ \ 46 --files-from=scripts/kconfig/POTFILES.in \ 47 --output scripts/kconfig/config.pot 48 $(Q)ln -fs Kconfig_i386 arch/um/Kconfig_arch 49 $(Q)for i in `ls arch/`; \ 50 do \ 51 scripts/kconfig/kxgettext arch/$$i/Kconfig \ 52 | msguniq -o scripts/kconfig/linux_$${i}.pot; \ 53 done 54 $(Q)msgcat scripts/kconfig/config.pot \ 55 `find scripts/kconfig/ -type f -name linux_*.pot` \ 56 --output scripts/kconfig/linux_raw.pot 57 $(Q)msguniq --sort-by-file scripts/kconfig/linux_raw.pot \ 58 --output scripts/kconfig/linux.pot 59 $(Q)rm -f arch/um/Kconfig_arch 60 $(Q)rm -f scripts/kconfig/linux_*.pot scripts/kconfig/config.pot 61 62PHONY += randconfig allyesconfig allnoconfig allmodconfig defconfig 63 64randconfig: $(obj)/conf 65 $< -r Config.in 66 $(MTIME_IS_COARSE) && sleep 1 67 68allyesconfig: $(obj)/conf 69 $< -y Config.in 70 $(MTIME_IS_COARSE) && sleep 1 71 72allnoconfig: $(obj)/conf 73 $< -n Config.in 74 $(MTIME_IS_COARSE) && sleep 1 75 76allmodconfig: $(obj)/conf 77 $< -m Config.in 78 $(MTIME_IS_COARSE) && sleep 1 79 80defconfig: $(obj)/conf 81ifeq ($(KBUILD_DEFCONFIG),) 82 $< -d Config.in 83else 84 @echo *** Default configuration is based on '$(KBUILD_DEFCONFIG)' 85 $(Q)$< -D $(KBUILD_DEFCONFIG) Config.in 86endif 87 $(MTIME_IS_COARSE) && sleep 1 88 89%_defconfig: $(obj)/conf 90 $(Q)$< -D $@ Config.in 91 $(MTIME_IS_COARSE) && sleep 1 92 93# Help text used by make help 94help: 95 @echo ' config - Update current config utilising a line-oriented program' 96 @echo ' menuconfig - Update current config utilising a menu based program' 97 @echo ' xconfig - Update current config utilising a QT based front-end' 98 @echo ' gconfig - Update current config utilising a GTK based front-end' 99 @echo ' oldconfig - Update current config utilising a provided .config as base' 100 @echo ' randconfig - New config with random answer to all options' 101 @echo ' defconfig - New config with default answer to all options' 102 @echo ' allmodconfig - New config selecting modules when possible' 103 @echo ' allyesconfig - New config where all options are accepted with yes' 104 @echo ' allnoconfig - New config where all options are answered with no' 105 106# =========================================================================== 107# Shared Makefile for the various kconfig executables: 108# conf: Used for defconfig, oldconfig and related targets 109# mconf: Used for the mconfig target. 110# Utilizes the lxdialog package 111# qconf: Used for the xconfig target 112# Based on QT which needs to be installed to compile it 113# gconf: Used for the gconfig target 114# Based on GTK which needs to be installed to compile it 115# object files used by all kconfig flavours 116 117hostprogs-y := conf mconf qconf gconf kxgettext 118conf-objs := conf.o zconf.tab.o 119mconf-objs := mconf.o zconf.tab.o 120kxgettext-objs := kxgettext.o zconf.tab.o 121 122ifeq ($(MAKECMDGOALS),xconfig) 123 qconf-target := 1 124endif 125ifeq ($(MAKECMDGOALS),gconfig) 126 gconf-target := 1 127endif 128 129 130ifeq ($(qconf-target),1) 131qconf-cxxobjs := qconf.o 132qconf-objs := kconfig_load.o zconf.tab.o 133endif 134 135ifeq ($(gconf-target),1) 136gconf-objs := gconf.o kconfig_load.o zconf.tab.o 137endif 138 139clean-files := lkc_defs.h qconf.moc .tmp_qtcheck \ 140 .tmp_gtkcheck zconf.tab.c lex.zconf.c zconf.hash.c 141subdir- += lxdialog 142 143# Add environment specific flags 144HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS)) 145 146# generated files seem to need this to find local include files 147HOSTCFLAGS_lex.zconf.o := -I$(src) 148HOSTCFLAGS_zconf.tab.o := -I$(src) 149 150HOSTLOADLIBES_qconf = $(KC_QT_LIBS) -ldl 151HOSTCXXFLAGS_qconf.o = $(KC_QT_CFLAGS) -D LKC_DIRECT_LINK 152 153HOSTLOADLIBES_gconf = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0` 154HOSTCFLAGS_gconf.o = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \ 155 -D LKC_DIRECT_LINK 156 157$(obj)/qconf.o: $(obj)/.tmp_qtcheck 158 159ifeq ($(qconf-target),1) 160$(obj)/.tmp_qtcheck: $(src)/Makefile 161-include $(obj)/.tmp_qtcheck 162 163# QT needs some extra effort... 164$(obj)/.tmp_qtcheck: 165 @set -e; echo " CHECK qt"; dir=""; pkg=""; \ 166 pkg-config --exists qt 2> /dev/null && pkg=qt; \ 167 pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \ 168 if [ -n "$$pkg" ]; then \ 169 cflags="\$$(shell pkg-config $$pkg --cflags)"; \ 170 libs="\$$(shell pkg-config $$pkg --libs)"; \ 171 moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \ 172 dir="$$(pkg-config $$pkg --variable=prefix)"; \ 173 else \ 174 for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \ 175 if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \ 176 done; \ 177 if [ -z "$$dir" ]; then \ 178 echo "*"; \ 179 echo "* Unable to find the QT installation. Please make sure that"; \ 180 echo "* the QT development package is correctly installed and"; \ 181 echo "* either install pkg-config or set the QTDIR environment"; \ 182 echo "* variable to the correct location."; \ 183 echo "*"; \ 184 false; \ 185 fi; \ 186 libpath=$$dir/lib; lib=qt; osdir=""; \ 187 $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \ 188 osdir=x$$($(HOSTCXX) -print-multi-os-directory); \ 189 test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \ 190 test -f $$libpath/libqt-mt.so && lib=qt-mt; \ 191 cflags="-I$$dir/include"; \ 192 libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \ 193 moc="$$dir/bin/moc"; \ 194 fi; \ 195 if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \ 196 echo "*"; \ 197 echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \ 198 echo "*"; \ 199 moc="/usr/bin/moc"; \ 200 fi; \ 201 echo "KC_QT_CFLAGS=$$cflags" > $@; \ 202 echo "KC_QT_LIBS=$$libs" >> $@; \ 203 echo "KC_QT_MOC=$$moc" >> $@ 204endif 205 206$(obj)/gconf.o: $(obj)/.tmp_gtkcheck 207 208ifeq ($(gconf-target),1) 209-include $(obj)/.tmp_gtkcheck 210 211# GTK needs some extra effort, too... 212$(obj)/.tmp_gtkcheck: 213 @if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then \ 214 if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then \ 215 touch $@; \ 216 else \ 217 echo "*"; \ 218 echo "* GTK+ is present but version >= 2.0.0 is required."; \ 219 echo "*"; \ 220 false; \ 221 fi \ 222 else \ 223 echo "*"; \ 224 echo "* Unable to find the GTK+ installation. Please make sure that"; \ 225 echo "* the GTK+ 2.0 development package is correctly installed..."; \ 226 echo "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; \ 227 echo "*"; \ 228 false; \ 229 fi 230endif 231 232$(obj)/zconf.tab.o: $(obj)/lex.zconf.c $(obj)/zconf.hash.c 233 234$(obj)/kconfig_load.o: $(obj)/lkc_defs.h 235 236$(obj)/qconf.o: $(obj)/qconf.moc $(obj)/lkc_defs.h 237 238$(obj)/gconf.o: $(obj)/lkc_defs.h 239 240$(obj)/%.moc: $(src)/%.h 241 $(KC_QT_MOC) -i $< -o $@ 242 243$(obj)/lkc_defs.h: $(src)/lkc_proto.h 244 sed < $< > $@ 's/P(\([^,]*\),.*/#define \1 (\*\1_p)/' 245 246 247### 248# The following requires flex/bison/gperf 249# By default we use the _shipped versions, uncomment the following line if 250# you are modifying the flex/bison src. 251# LKC_GENPARSER := 1 252 253ifdef LKC_GENPARSER 254 255$(obj)/zconf.tab.c: $(src)/zconf.y 256$(obj)/lex.zconf.c: $(src)/zconf.l 257$(obj)/zconf.hash.c: $(src)/zconf.gperf 258 259%.tab.c: %.y 260 bison -l -b $* -p $(notdir $*) $< 261 cp $@ $@_shipped 262 263lex.%.c: %.l 264 flex -L -P$(notdir $*) -o$@ $< 265 cp $@ $@_shipped 266 267%.hash.c: %.gperf 268 gperf < $< > $@ 269 cp $@ $@_shipped 270 271endif 272