1 # ===========================================================================
2 # Kernel configuration targets
3 # These targets are used from top-level makefile
5 PHONY += oldconfig xconfig gconfig menuconfig config silentoldconfig update-po-config \
6 localmodconfig localyesconfig
9 # Linux has defconfig files in arch/$(SRCARCH)/configs/,
10 # on the other hand, U-Boot does in configs/.
11 # Set SRCARCH to .. fake this Makefile.
15 Kconfig := $(KBUILD_KCONFIG)
20 # We need this, in case the user has it in its environment
29 menuconfig: $(obj)/mconf
33 $< --oldaskconfig $(Kconfig)
38 oldconfig: $(obj)/conf
41 silentoldconfig: $(obj)/conf
42 $(Q)mkdir -p include/config include/generated
45 localyesconfig 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 --silentoldconfig $(Kconfig); \
53 mv -f .config.old.1 .config.old) \
55 mv -f .tmp.config .config; \
56 $(obj)/conf --silentoldconfig $(Kconfig); \
60 # Create new linux.pot file
61 # Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
62 update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
63 $(Q)echo " GEN config.pot"
64 $(Q)xgettext --default-domain=linux \
65 --add-comments --keyword=_ --keyword=N_ \
67 --files-from=$(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`; \
75 $(obj)/kxgettext $$i \
76 >> $(obj)/config.pot; \
78 $(Q)echo " 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
83 PHONY += allnoconfig allyesconfig allmodconfig alldefconfig randconfig
85 allnoconfig allyesconfig allmodconfig alldefconfig randconfig: $(obj)/conf
88 PHONY += listnewconfig olddefconfig oldnoconfig savedefconfig defconfig
90 listnewconfig olddefconfig: $(obj)/conf
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.
96 oldnoconfig: $(obj)/conf
97 $< --olddefconfig $(Kconfig)
99 savedefconfig: $(obj)/conf
100 $< --$@=defconfig $(Kconfig)
102 defconfig: $(obj)/conf
103 ifeq ($(KBUILD_DEFCONFIG),)
104 $< --defconfig $(Kconfig)
106 @echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
107 $(Q)$< --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
110 %_defconfig: $(obj)/conf
111 $(Q)$< --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
113 # Added for U-Boot (backward compatibility)
114 %_config: %_defconfig
117 configfiles=$(wildcard $(srctree)/kernel/configs/$(1).config $(srctree)/arch/$(SRCARCH)/configs/$(1).config)
120 $(if $(wildcard $(objtree)/.config),, $(error You need an existing .config for this target))
121 $(if $(call configfiles,$(1)),, $(error No configuration exists for this target on this architecture))
122 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m -O $(objtree) $(objtree)/.config $(call configfiles,$(1))
123 $(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig
128 $(call mergeconfig,kvm_guest)
131 tinyconfig: allnoconfig
132 $(call mergeconfig,tiny)
134 # Help text used by make help
136 @echo ' config - Update current config utilising a line-oriented program'
137 @echo ' nconfig - Update current config utilising a ncurses menu based program'
138 @echo ' menuconfig - Update current config utilising a menu based program'
139 @echo ' xconfig - Update current config utilising a QT based front-end'
140 @echo ' gconfig - Update current config utilising a GTK based front-end'
141 @echo ' oldconfig - Update current config utilising a provided .config as base'
142 @echo ' localmodconfig - Update current config disabling modules not loaded'
143 @echo ' localyesconfig - Update current config converting local mods to core'
144 @echo ' silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
145 @echo ' defconfig - New config with default from ARCH supplied defconfig'
146 @echo ' savedefconfig - Save current config as ./defconfig (minimal config)'
147 @echo ' allnoconfig - New config where all options are answered with no'
148 @echo ' allyesconfig - New config where all options are accepted with yes'
149 @echo ' allmodconfig - New config selecting modules when possible'
150 @echo ' alldefconfig - New config with all symbols set to default'
151 @echo ' randconfig - New config with random answer to all options'
152 @echo ' listnewconfig - List new options'
153 @echo ' olddefconfig - Same as silentoldconfig but sets new symbols to their default value'
154 # @echo ' kvmconfig - Enable additional options for guest kernel support'
155 # @echo ' tinyconfig - Configure the tiniest possible kernel'
158 check-lxdialog := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
160 # Use recursively expanded variables so we do not call gcc unless
161 # we really need to do so. (Do not call gcc as part of make mrproper)
162 HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
165 # ===========================================================================
166 # Shared Makefile for the various kconfig executables:
167 # conf: Used for defconfig, oldconfig and related targets
168 # nconf: Used for the nconfig target.
170 # mconf: Used for the menuconfig target
171 # Utilizes the lxdialog package
172 # qconf: Used for the xconfig target
173 # Based on QT which needs to be installed to compile it
174 # gconf: Used for the gconfig target
175 # Based on GTK which needs to be installed to compile it
176 # object files used by all kconfig flavours
178 lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
179 lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
181 conf-objs := conf.o zconf.tab.o
182 mconf-objs := mconf.o zconf.tab.o $(lxdialog)
183 nconf-objs := nconf.o zconf.tab.o nconf.gui.o
184 kxgettext-objs := kxgettext.o zconf.tab.o
185 qconf-cxxobjs := qconf.o
186 qconf-objs := zconf.tab.o
187 gconf-objs := gconf.o zconf.tab.o
189 hostprogs-y := conf nconf mconf kxgettext qconf gconf
191 clean-files := qconf.moc .tmp_qtcheck .tmp_gtkcheck
192 clean-files += zconf.tab.c zconf.lex.c zconf.hash.c gconf.glade.h
193 clean-files += config.pot linux.pot
195 # Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
196 PHONY += $(obj)/dochecklxdialog
197 $(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
198 $(obj)/dochecklxdialog:
199 $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
201 always := dochecklxdialog
203 # Add environment specific flags
204 HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
206 # generated files seem to need this to find local include files
207 HOSTCFLAGS_zconf.lex.o := -I$(src)
208 HOSTCFLAGS_zconf.tab.o := -I$(src)
210 LEX_PREFIX_zconf := zconf
211 YACC_PREFIX_zconf := zconf
213 HOSTLOADLIBES_qconf = $(KC_QT_LIBS)
214 HOSTCXXFLAGS_qconf.o = $(KC_QT_CFLAGS)
216 HOSTLOADLIBES_gconf = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
217 HOSTCFLAGS_gconf.o = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
218 -Wno-missing-prototypes
220 HOSTLOADLIBES_mconf = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
222 HOSTLOADLIBES_nconf = $(shell \
223 pkg-config --libs menuw panelw ncursesw 2>/dev/null \
224 || pkg-config --libs menu panel ncurses 2>/dev/null \
225 || echo "-lmenu -lpanel -lncurses" )
226 $(obj)/qconf.o: $(obj)/.tmp_qtcheck
228 ifeq ($(MAKECMDGOALS),xconfig)
229 $(obj)/.tmp_qtcheck: $(src)/Makefile
230 -include $(obj)/.tmp_qtcheck
232 # QT needs some extra effort...
234 @set -e; echo " CHECK qt"; dir=""; pkg=""; \
235 if ! pkg-config --exists QtCore 2> /dev/null; then \
236 echo "* Unable to find the QT4 tool qmake. Trying to use QT3"; \
237 pkg-config --exists qt 2> /dev/null && pkg=qt; \
238 pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
239 if [ -n "$$pkg" ]; then \
240 cflags="\$$(shell pkg-config $$pkg --cflags)"; \
241 libs="\$$(shell pkg-config $$pkg --libs)"; \
242 moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
243 dir="$$(pkg-config $$pkg --variable=prefix)"; \
245 for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
246 if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
248 if [ -z "$$dir" ]; then \
250 echo >&2 "* Unable to find any QT installation. Please make sure that"; \
251 echo >&2 "* the QT4 or QT3 development package is correctly installed and"; \
252 echo >&2 "* either qmake can be found or install pkg-config or set"; \
253 echo >&2 "* the QTDIR environment variable to the correct location."; \
257 libpath=$$dir/lib; lib=qt; osdir=""; \
258 $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
259 osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
260 test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
261 test -f $$libpath/libqt-mt.so && lib=qt-mt; \
262 cflags="-I$$dir/include"; \
263 libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
264 moc="$$dir/bin/moc"; \
266 if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
268 echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
270 moc="/usr/bin/moc"; \
273 cflags="\$$(shell pkg-config QtCore QtGui Qt3Support --cflags)"; \
274 libs="\$$(shell pkg-config QtCore QtGui Qt3Support --libs)"; \
275 moc="\$$(shell pkg-config QtCore --variable=moc_location)"; \
276 [ -n "$$moc" ] || moc="\$$(shell pkg-config QtCore --variable=prefix)/bin/moc"; \
278 echo "KC_QT_CFLAGS=$$cflags" > $@; \
279 echo "KC_QT_LIBS=$$libs" >> $@; \
280 echo "KC_QT_MOC=$$moc" >> $@
283 $(obj)/gconf.o: $(obj)/.tmp_gtkcheck
285 ifeq ($(MAKECMDGOALS),gconfig)
286 -include $(obj)/.tmp_gtkcheck
288 # GTK needs some extra effort, too...
289 $(obj)/.tmp_gtkcheck:
290 @if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then \
291 if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then \
295 echo >&2 "* GTK+ is present but version >= 2.0.0 is required."; \
301 echo >&2 "* Unable to find the GTK+ installation. Please make sure that"; \
302 echo >&2 "* the GTK+ 2.0 development package is correctly installed..."; \
303 echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; \
309 $(obj)/zconf.tab.o: $(obj)/zconf.lex.c $(obj)/zconf.hash.c
311 $(obj)/qconf.o: $(obj)/qconf.moc
313 quiet_cmd_moc = MOC $@
314 cmd_moc = $(KC_QT_MOC) -i $< -o $@
316 $(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck
319 # Extract gconf menu items for I18N support
320 $(obj)/gconf.glade.h: $(obj)/gconf.glade
321 $(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \