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 Kconfig := $(KBUILD_KCONFIG)
14 # We need this, in case the user has it in its environment
23 menuconfig: $(obj)/mconf
27 $< --oldaskconfig $(Kconfig)
32 oldconfig: $(obj)/conf
35 silentoldconfig: $(obj)/conf
36 $(Q)mkdir -p include/config include/generated
39 localyesconfig localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
40 $(Q)mkdir -p include/config include/generated
41 $(Q)perl $< --$@ $(srctree) $(Kconfig) > .tmp.config
42 $(Q)if [ -f .config ]; then \
43 cmp -s .tmp.config .config || \
44 (mv -f .config .config.old.1; \
45 mv -f .tmp.config .config; \
46 $(obj)/conf --silentoldconfig $(Kconfig); \
47 mv -f .config.old.1 .config.old) \
49 mv -f .tmp.config .config; \
50 $(obj)/conf --silentoldconfig $(Kconfig); \
54 # Create new linux.pot file
55 # Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
56 update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
57 $(Q)echo " GEN config.pot"
58 $(Q)xgettext --default-domain=linux \
59 --add-comments --keyword=_ --keyword=N_ \
61 --files-from=$(srctree)/scripts/kconfig/POTFILES.in \
62 --directory=$(srctree) --directory=$(objtree) \
63 --output $(obj)/config.pot
64 $(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
65 $(Q)(for i in `ls $(srctree)/arch/*/Kconfig \
66 $(srctree)/arch/*/um/Kconfig`; \
69 $(obj)/kxgettext $$i \
70 >> $(obj)/config.pot; \
72 $(Q)echo " GEN linux.pot"
73 $(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
74 --output $(obj)/linux.pot
75 $(Q)rm -f $(obj)/config.pot
77 PHONY += allnoconfig allyesconfig allmodconfig alldefconfig randconfig
79 allnoconfig allyesconfig allmodconfig alldefconfig randconfig: $(obj)/conf
82 PHONY += listnewconfig olddefconfig oldnoconfig savedefconfig defconfig
84 listnewconfig olddefconfig: $(obj)/conf
87 # oldnoconfig is an alias of olddefconfig, because people already are dependent
88 # on its behavior(sets new symbols to their default value but not 'n') with the
89 # counter-intuitive name.
90 oldnoconfig: $(obj)/conf
91 $< --olddefconfig $(Kconfig)
93 savedefconfig: $(obj)/conf
94 $< --$@=defconfig $(Kconfig)
96 defconfig: $(obj)/conf
97 ifeq ($(KBUILD_DEFCONFIG),)
98 $< --defconfig $(Kconfig)
100 @echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
101 $(Q)$< --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
104 %_defconfig: $(obj)/conf
105 $(Q)$< --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
107 configfiles=$(wildcard $(srctree)/kernel/configs/$(1).config $(srctree)/arch/$(SRCARCH)/configs/$(1).config)
110 $(if $(wildcard $(objtree)/.config),, $(error You need an existing .config for this target))
111 $(if $(call configfiles,$(1)),, $(error No configuration exists for this target on this architecture))
112 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m -O $(objtree) $(objtree)/.config $(call configfiles,$(1))
113 $(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig
118 $(call mergeconfig,kvm_guest)
121 tinyconfig: allnoconfig
122 $(call mergeconfig,tiny)
124 # Help text used by make help
126 @echo ' config - Update current config utilising a line-oriented program'
127 @echo ' nconfig - Update current config utilising a ncurses menu based program'
128 @echo ' menuconfig - Update current config utilising a menu based program'
129 @echo ' xconfig - Update current config utilising a QT based front-end'
130 @echo ' gconfig - Update current config utilising a GTK based front-end'
131 @echo ' oldconfig - Update current config utilising a provided .config as base'
132 @echo ' localmodconfig - Update current config disabling modules not loaded'
133 @echo ' localyesconfig - Update current config converting local mods to core'
134 @echo ' silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
135 @echo ' defconfig - New config with default from ARCH supplied defconfig'
136 @echo ' savedefconfig - Save current config as ./defconfig (minimal config)'
137 @echo ' allnoconfig - New config where all options are answered with no'
138 @echo ' allyesconfig - New config where all options are accepted with yes'
139 @echo ' allmodconfig - New config selecting modules when possible'
140 @echo ' alldefconfig - New config with all symbols set to default'
141 @echo ' randconfig - New config with random answer to all options'
142 @echo ' listnewconfig - List new options'
143 @echo ' olddefconfig - Same as silentoldconfig but sets new symbols to their default value'
144 @echo ' kvmconfig - Enable additional options for guest kernel support'
145 @echo ' tinyconfig - Configure the tiniest possible kernel'
148 check-lxdialog := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
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)
152 HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
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.
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
168 lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
169 lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
171 conf-objs := conf.o zconf.tab.o
172 mconf-objs := mconf.o zconf.tab.o $(lxdialog)
173 nconf-objs := nconf.o zconf.tab.o nconf.gui.o
174 kxgettext-objs := kxgettext.o zconf.tab.o
175 qconf-cxxobjs := qconf.o
176 qconf-objs := zconf.tab.o
177 gconf-objs := gconf.o zconf.tab.o
181 ifeq ($(MAKECMDGOALS),nconfig)
185 ifeq ($(MAKECMDGOALS),menuconfig)
189 ifeq ($(MAKECMDGOALS),update-po-config)
190 hostprogs-y += kxgettext
193 ifeq ($(MAKECMDGOALS),xconfig)
196 ifeq ($(MAKECMDGOALS),gconfig)
201 ifeq ($(qconf-target),1)
205 ifeq ($(gconf-target),1)
209 clean-files := qconf.moc .tmp_qtcheck .tmp_gtkcheck
210 clean-files += zconf.tab.c zconf.lex.c zconf.hash.c gconf.glade.h
211 clean-files += mconf qconf gconf nconf
212 clean-files += config.pot linux.pot
214 # Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
215 PHONY += $(obj)/dochecklxdialog
216 $(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
217 $(obj)/dochecklxdialog:
218 $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
220 always := dochecklxdialog
222 # Add environment specific flags
223 HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
225 # generated files seem to need this to find local include files
226 HOSTCFLAGS_zconf.lex.o := -I$(src)
227 HOSTCFLAGS_zconf.tab.o := -I$(src)
229 LEX_PREFIX_zconf := zconf
230 YACC_PREFIX_zconf := zconf
232 HOSTLOADLIBES_qconf = $(KC_QT_LIBS)
233 HOSTCXXFLAGS_qconf.o = $(KC_QT_CFLAGS)
235 HOSTLOADLIBES_gconf = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
236 HOSTCFLAGS_gconf.o = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
237 -Wno-missing-prototypes
239 HOSTLOADLIBES_mconf = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
241 HOSTLOADLIBES_nconf = $(shell \
242 pkg-config --libs menu panel ncurses 2>/dev/null \
243 || echo "-lmenu -lpanel -lncurses" )
244 $(obj)/qconf.o: $(obj)/.tmp_qtcheck
246 ifeq ($(qconf-target),1)
247 $(obj)/.tmp_qtcheck: $(src)/Makefile
248 -include $(obj)/.tmp_qtcheck
250 # QT needs some extra effort...
252 @set -e; echo " CHECK qt"; dir=""; pkg=""; \
253 if ! pkg-config --exists QtCore 2> /dev/null; then \
254 echo "* Unable to find the QT4 tool qmake. Trying to use QT3"; \
255 pkg-config --exists qt 2> /dev/null && pkg=qt; \
256 pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
257 if [ -n "$$pkg" ]; then \
258 cflags="\$$(shell pkg-config $$pkg --cflags)"; \
259 libs="\$$(shell pkg-config $$pkg --libs)"; \
260 moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
261 dir="$$(pkg-config $$pkg --variable=prefix)"; \
263 for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
264 if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
266 if [ -z "$$dir" ]; then \
268 echo >&2 "* Unable to find any QT installation. Please make sure that"; \
269 echo >&2 "* the QT4 or QT3 development package is correctly installed and"; \
270 echo >&2 "* either qmake can be found or install pkg-config or set"; \
271 echo >&2 "* the QTDIR environment variable to the correct location."; \
275 libpath=$$dir/lib; lib=qt; osdir=""; \
276 $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
277 osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
278 test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
279 test -f $$libpath/libqt-mt.so && lib=qt-mt; \
280 cflags="-I$$dir/include"; \
281 libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
282 moc="$$dir/bin/moc"; \
284 if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
286 echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
288 moc="/usr/bin/moc"; \
291 cflags="\$$(shell pkg-config QtCore QtGui Qt3Support --cflags)"; \
292 libs="\$$(shell pkg-config QtCore QtGui Qt3Support --libs)"; \
293 moc="\$$(shell pkg-config QtCore --variable=moc_location)"; \
294 [ -n "$$moc" ] || moc="\$$(shell pkg-config QtCore --variable=prefix)/bin/moc"; \
296 echo "KC_QT_CFLAGS=$$cflags" > $@; \
297 echo "KC_QT_LIBS=$$libs" >> $@; \
298 echo "KC_QT_MOC=$$moc" >> $@
301 $(obj)/gconf.o: $(obj)/.tmp_gtkcheck
303 ifeq ($(gconf-target),1)
304 -include $(obj)/.tmp_gtkcheck
306 # GTK needs some extra effort, too...
307 $(obj)/.tmp_gtkcheck:
308 @if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then \
309 if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then \
313 echo >&2 "* GTK+ is present but version >= 2.0.0 is required."; \
319 echo >&2 "* Unable to find the GTK+ installation. Please make sure that"; \
320 echo >&2 "* the GTK+ 2.0 development package is correctly installed..."; \
321 echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; \
327 $(obj)/zconf.tab.o: $(obj)/zconf.lex.c $(obj)/zconf.hash.c
329 $(obj)/qconf.o: $(obj)/qconf.moc
331 quiet_cmd_moc = MOC $@
332 cmd_moc = $(KC_QT_MOC) -i $< -o $@
334 $(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck
337 # Extract gconf menu items for I18N support
338 $(obj)/gconf.glade.h: $(obj)/gconf.glade
339 $(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \