xref: /linux/scripts/kconfig/Makefile (revision 281c9dadc31ffd9f3cf637553134fefe75e849da)
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	localmodconfig localyesconfig
7
8ifdef KBUILD_KCONFIG
9Kconfig := $(KBUILD_KCONFIG)
10else
11Kconfig := arch/$(SRCARCH)/Kconfig
12endif
13
14xconfig: $(obj)/qconf
15	$< $(Kconfig)
16
17gconfig: $(obj)/gconf
18	$< $(Kconfig)
19
20menuconfig: $(obj)/mconf
21	$< $(Kconfig)
22
23config: $(obj)/conf
24	$< $(Kconfig)
25
26oldconfig: $(obj)/conf
27	$< -o $(Kconfig)
28
29silentoldconfig: $(obj)/conf
30	$< -s $(Kconfig)
31
32localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
33	$(Q)perl $< $(Kconfig) > .tmp.config
34	$(Q)cmp -s .tmp.config .config ||		\
35		(mv -f .config .config.old.1;		\
36		 mv -f .tmp.config .config;		\
37		 $(obj)/conf -s $(Kconfig);		\
38		 mv -f .config.old.1 .config.old)
39	$(Q)rm -f .tmp.config
40
41localyesconfig: $(obj)/streamline_config.pl
42	$(Q)perl $< $(Kconfig) > .tmp.config
43	$(Q)sed -i s/=m/=y/ .tmp.config
44	$(Q)cmp -s .tmp.config .config ||		\
45		(mv -f .config .config.old.1;		\
46		 mv -f .tmp.config .config;		\
47		 $(obj)/conf -s $(Kconfig);		\
48		 mv -f .config.old.1 .config.old)
49	$(Q)rm -f .tmp.config
50
51# Create new linux.pot file
52# Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
53# The symlink is used to repair a deficiency in arch/um
54update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
55	$(Q)echo "  GEN config"
56	$(Q)xgettext --default-domain=linux              \
57	    --add-comments --keyword=_ --keyword=N_      \
58	    --from-code=UTF-8                            \
59	    --files-from=scripts/kconfig/POTFILES.in     \
60	    --output $(obj)/config.pot
61	$(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
62	$(Q)ln -fs Kconfig.i386 arch/um/Kconfig.arch
63	$(Q)(for i in `ls arch/*/Kconfig`;               \
64	    do                                           \
65		echo "  GEN $$i";                        \
66		$(obj)/kxgettext $$i                     \
67		     >> $(obj)/config.pot;               \
68	    done )
69	$(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
70	    --output $(obj)/linux.pot
71	$(Q)rm -f arch/um/Kconfig.arch
72	$(Q)rm -f $(obj)/config.pot
73
74PHONY += randconfig allyesconfig allnoconfig allmodconfig defconfig
75
76randconfig: $(obj)/conf
77	$< -r $(Kconfig)
78
79allyesconfig: $(obj)/conf
80	$< -y $(Kconfig)
81
82allnoconfig: $(obj)/conf
83	$< -n $(Kconfig)
84
85allmodconfig: $(obj)/conf
86	$< -m $(Kconfig)
87
88defconfig: $(obj)/conf
89ifeq ($(KBUILD_DEFCONFIG),)
90	$< -d $(Kconfig)
91else
92	@echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
93	$(Q)$< -D arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
94endif
95
96%_defconfig: $(obj)/conf
97	$(Q)$< -D arch/$(SRCARCH)/configs/$@ $(Kconfig)
98
99# Help text used by make help
100help:
101	@echo  '  config	  - Update current config utilising a line-oriented program'
102	@echo  '  menuconfig	  - Update current config utilising a menu based program'
103	@echo  '  xconfig	  - Update current config utilising a QT based front-end'
104	@echo  '  gconfig	  - Update current config utilising a GTK based front-end'
105	@echo  '  oldconfig	  - Update current config utilising a provided .config as base'
106	@echo  '  localmodconfig  - Update current config disabling modules not loaded'
107	@echo  '  localyesconfig  - Update current config converting local mods to core'
108	@echo  '  silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
109	@echo  '  randconfig	  - New config with random answer to all options'
110	@echo  '  defconfig	  - New config with default answer to all options'
111	@echo  '  allmodconfig	  - New config selecting modules when possible'
112	@echo  '  allyesconfig	  - New config where all options are accepted with yes'
113	@echo  '  allnoconfig	  - New config where all options are answered with no'
114
115# lxdialog stuff
116check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
117
118# Use recursively expanded variables so we do not call gcc unless
119# we really need to do so. (Do not call gcc as part of make mrproper)
120HOST_EXTRACFLAGS = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags)
121HOST_LOADLIBES   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
122
123HOST_EXTRACFLAGS += -DLOCALE
124
125
126# ===========================================================================
127# Shared Makefile for the various kconfig executables:
128# conf:	  Used for defconfig, oldconfig and related targets
129# mconf:  Used for the menuconfig target
130#         Utilizes the lxdialog package
131# qconf:  Used for the xconfig target
132#         Based on QT which needs to be installed to compile it
133# gconf:  Used for the gconfig target
134#         Based on GTK which needs to be installed to compile it
135# object files used by all kconfig flavours
136
137lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
138lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
139
140conf-objs	:= conf.o  zconf.tab.o
141mconf-objs	:= mconf.o zconf.tab.o $(lxdialog)
142kxgettext-objs	:= kxgettext.o zconf.tab.o
143
144hostprogs-y := conf qconf gconf kxgettext
145
146ifeq ($(MAKECMDGOALS),menuconfig)
147	hostprogs-y += mconf
148endif
149
150ifeq ($(MAKECMDGOALS),xconfig)
151	qconf-target := 1
152endif
153ifeq ($(MAKECMDGOALS),gconfig)
154	gconf-target := 1
155endif
156
157
158ifeq ($(qconf-target),1)
159qconf-cxxobjs	:= qconf.o
160qconf-objs	:= kconfig_load.o zconf.tab.o
161endif
162
163ifeq ($(gconf-target),1)
164gconf-objs	:= gconf.o kconfig_load.o zconf.tab.o
165endif
166
167clean-files	:= lkc_defs.h qconf.moc .tmp_qtcheck \
168		   .tmp_gtkcheck zconf.tab.c lex.zconf.c zconf.hash.c gconf.glade.h
169clean-files     += mconf qconf gconf
170clean-files     += config.pot linux.pot
171
172# Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
173PHONY += $(obj)/dochecklxdialog
174$(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
175$(obj)/dochecklxdialog:
176	$(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOST_LOADLIBES)
177
178always := dochecklxdialog
179
180# Add environment specific flags
181HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
182
183# generated files seem to need this to find local include files
184HOSTCFLAGS_lex.zconf.o	:= -I$(src)
185HOSTCFLAGS_zconf.tab.o	:= -I$(src)
186
187HOSTLOADLIBES_qconf	= $(KC_QT_LIBS) -ldl
188HOSTCXXFLAGS_qconf.o	= $(KC_QT_CFLAGS) -D LKC_DIRECT_LINK
189
190HOSTLOADLIBES_gconf	= `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
191HOSTCFLAGS_gconf.o	= `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
192                          -D LKC_DIRECT_LINK
193
194$(obj)/qconf.o: $(obj)/.tmp_qtcheck
195
196ifeq ($(qconf-target),1)
197$(obj)/.tmp_qtcheck: $(src)/Makefile
198-include $(obj)/.tmp_qtcheck
199
200# QT needs some extra effort...
201$(obj)/.tmp_qtcheck:
202	@set -e; echo "  CHECK   qt"; dir=""; pkg=""; \
203	pkg-config --exists qt 2> /dev/null && pkg=qt; \
204	pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
205	if [ -n "$$pkg" ]; then \
206	  cflags="\$$(shell pkg-config $$pkg --cflags)"; \
207	  libs="\$$(shell pkg-config $$pkg --libs)"; \
208	  moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
209	  dir="$$(pkg-config $$pkg --variable=prefix)"; \
210	else \
211	  for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
212	    if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
213	  done; \
214	  if [ -z "$$dir" ]; then \
215	    echo "*"; \
216	    echo "* Unable to find the QT3 installation. Please make sure that"; \
217	    echo "* the QT3 development package is correctly installed and"; \
218	    echo "* either install pkg-config or set the QTDIR environment"; \
219	    echo "* variable to the correct location."; \
220	    echo "*"; \
221	    false; \
222	  fi; \
223	  libpath=$$dir/lib; lib=qt; osdir=""; \
224	  $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
225	    osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
226	  test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
227	  test -f $$libpath/libqt-mt.so && lib=qt-mt; \
228	  cflags="-I$$dir/include"; \
229	  libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
230	  moc="$$dir/bin/moc"; \
231	fi; \
232	if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
233	  echo "*"; \
234	  echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
235	  echo "*"; \
236	  moc="/usr/bin/moc"; \
237	fi; \
238	echo "KC_QT_CFLAGS=$$cflags" > $@; \
239	echo "KC_QT_LIBS=$$libs" >> $@; \
240	echo "KC_QT_MOC=$$moc" >> $@
241endif
242
243$(obj)/gconf.o: $(obj)/.tmp_gtkcheck
244
245ifeq ($(gconf-target),1)
246-include $(obj)/.tmp_gtkcheck
247
248# GTK needs some extra effort, too...
249$(obj)/.tmp_gtkcheck:
250	@if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then		\
251		if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then			\
252			touch $@;								\
253		else									\
254			echo "*"; 							\
255			echo "* GTK+ is present but version >= 2.0.0 is required.";	\
256			echo "*";							\
257			false;								\
258		fi									\
259	else										\
260		echo "*"; 								\
261		echo "* Unable to find the GTK+ installation. Please make sure that"; 	\
262		echo "* the GTK+ 2.0 development package is correctly installed..."; 	\
263		echo "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; 		\
264		echo "*"; 								\
265		false;									\
266	fi
267endif
268
269$(obj)/zconf.tab.o: $(obj)/lex.zconf.c $(obj)/zconf.hash.c
270
271$(obj)/kconfig_load.o: $(obj)/lkc_defs.h
272
273$(obj)/qconf.o: $(obj)/qconf.moc $(obj)/lkc_defs.h
274
275$(obj)/gconf.o: $(obj)/lkc_defs.h
276
277$(obj)/%.moc: $(src)/%.h
278	$(KC_QT_MOC) -i $< -o $@
279
280$(obj)/lkc_defs.h: $(src)/lkc_proto.h
281	sed < $< > $@ 's/P(\([^,]*\),.*/#define \1 (\*\1_p)/'
282
283# Extract gconf menu items for I18N support
284$(obj)/gconf.glade.h: $(obj)/gconf.glade
285	intltool-extract --type=gettext/glade $(obj)/gconf.glade
286
287###
288# The following requires flex/bison/gperf
289# By default we use the _shipped versions, uncomment the following line if
290# you are modifying the flex/bison src.
291# LKC_GENPARSER := 1
292
293ifdef LKC_GENPARSER
294
295$(obj)/zconf.tab.c: $(src)/zconf.y
296$(obj)/lex.zconf.c: $(src)/zconf.l
297$(obj)/zconf.hash.c: $(src)/zconf.gperf
298
299%.tab.c: %.y
300	bison -l -b $* -p $(notdir $*) $<
301	cp $@ $@_shipped
302
303lex.%.c: %.l
304	flex -L -P$(notdir $*) -o$@ $<
305	cp $@ $@_shipped
306
307%.hash.c: %.gperf
308	gperf < $< > $@
309	cp $@ $@_shipped
310
311endif
312