1 # ===========================================================================
2 # Kernel configuration targets
3 # These targets are used from top-level makefile
5 # SPDX-License-Identifier: GPL-2.0
8 PHONY += xconfig gconfig menuconfig config silentoldconfig update-po-config \
9 localmodconfig localyesconfig
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.
18 Kconfig := $(KBUILD_KCONFIG)
23 ifeq ($(quiet),silent_)
27 # We need this, in case the user has it in its environment
31 $< $(silent) $(Kconfig)
34 $< $(silent) $(Kconfig)
36 menuconfig: $(obj)/mconf
37 $< $(silent) $(Kconfig)
40 $< $(silent) --oldaskconfig $(Kconfig)
43 $< $(silent) $(Kconfig)
45 silentoldconfig: $(obj)/conf
46 $(Q)mkdir -p include/config include/generated
47 $< $(silent) --$@ $(Kconfig)
49 localyesconfig 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) \
59 mv -f .tmp.config .config; \
60 $(obj)/conf $(silent) --silentoldconfig $(Kconfig); \
64 # Create new linux.pot file
65 # Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
66 update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
67 $(Q)$(kecho) " GEN config.pot"
68 $(Q)xgettext --default-domain=linux \
69 --add-comments --keyword=_ --keyword=N_ \
71 --files-from=$(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`; \
78 $(kecho) " GEN $$i"; \
79 $(obj)/kxgettext $$i \
80 >> $(obj)/config.pot; \
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
87 # These targets map 1:1 to the commandline options of 'conf'
88 simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \
89 alldefconfig randconfig listnewconfig olddefconfig
90 PHONY += $(simple-targets)
92 $(simple-targets): $(obj)/conf
93 $< $(silent) --$@ $(Kconfig)
95 PHONY += oldnoconfig savedefconfig defconfig
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.
100 oldnoconfig: olddefconfig
102 savedefconfig: $(obj)/conf
103 $< $(silent) --$@=defconfig $(Kconfig)
105 defconfig: $(obj)/conf
106 ifeq ($(KBUILD_DEFCONFIG),)
107 $< $(silent) --defconfig $(Kconfig)
109 @$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
110 $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
113 %_defconfig: $(obj)/conf
114 $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
116 # Added for U-Boot (backward compatibility)
117 %_config: %_defconfig
120 configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@)
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
128 kvmconfig: kvm_guest.config
133 $(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config
135 # Help text used by make help
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'
159 check-lxdialog := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
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)
163 HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
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.
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
179 lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
180 lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
182 conf-objs := conf.o zconf.tab.o
183 mconf-objs := mconf.o zconf.tab.o $(lxdialog)
184 nconf-objs := nconf.o zconf.tab.o nconf.gui.o
185 kxgettext-objs := kxgettext.o zconf.tab.o
186 qconf-cxxobjs := qconf.o
187 qconf-objs := zconf.tab.o
188 gconf-objs := gconf.o zconf.tab.o
190 hostprogs-y := conf nconf mconf kxgettext qconf gconf
192 clean-files := qconf.moc .tmp_qtcheck .tmp_gtkcheck
193 clean-files += zconf.tab.c zconf.lex.c zconf.hash.c gconf.glade.h
194 clean-files += config.pot linux.pot
196 # Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
197 PHONY += $(obj)/dochecklxdialog
198 $(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
199 $(obj)/dochecklxdialog:
200 $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
202 always := dochecklxdialog
204 # Add environment specific flags
205 HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
207 # generated files seem to need this to find local include files
208 HOSTCFLAGS_zconf.lex.o := -I$(src)
209 HOSTCFLAGS_zconf.tab.o := -I$(src)
211 LEX_PREFIX_zconf := zconf
212 YACC_PREFIX_zconf := zconf
214 HOSTLOADLIBES_qconf = $(KC_QT_LIBS)
215 HOSTCXXFLAGS_qconf.o = $(KC_QT_CFLAGS)
217 HOSTLOADLIBES_gconf = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
218 HOSTCFLAGS_gconf.o = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
219 -Wno-missing-prototypes
221 HOSTLOADLIBES_mconf = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
223 HOSTLOADLIBES_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: $(obj)/.tmp_qtcheck
229 ifeq ($(MAKECMDGOALS),xconfig)
230 $(obj)/.tmp_qtcheck: $(src)/Makefile
231 -include $(obj)/.tmp_qtcheck
233 # QT needs some extra effort...
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)"; \
246 for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
247 if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
249 if [ -z "$$dir" ]; then \
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."; \
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"; \
267 if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
269 echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
271 moc="/usr/bin/moc"; \
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 "$$moc" ] || moc="\$$(shell pkg-config QtCore --variable=prefix)/bin/moc"; \
279 echo "KC_QT_CFLAGS=$$cflags" > $@; \
280 echo "KC_QT_LIBS=$$libs" >> $@; \
281 echo "KC_QT_MOC=$$moc" >> $@
284 $(obj)/gconf.o: $(obj)/.tmp_gtkcheck
286 ifeq ($(MAKECMDGOALS),gconfig)
287 -include $(obj)/.tmp_gtkcheck
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 \
296 echo >&2 "* GTK+ is present but version >= 2.0.0 is required."; \
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."; \
310 $(obj)/zconf.tab.o: $(obj)/zconf.lex.c $(obj)/zconf.hash.c
312 $(obj)/qconf.o: $(obj)/qconf.moc
314 quiet_cmd_moc = MOC $@
315 cmd_moc = $(KC_QT_MOC) -i $< -o $@
317 $(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck
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) \