xref: /linux/scripts/kconfig/Makefile (revision c75b81bffa0a9493a24ae61d0c52f85e4043c183) 
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
26nconfig: $(obj)/nconf
27	$< $(Kconfig)
28
29oldconfig: $(obj)/conf
30	$< -o $(Kconfig)
31
32silentoldconfig: $(obj)/conf
33	$(Q)mkdir -p include/generated
34	$< -s $(Kconfig)
35
36localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
37	$(Q)perl $< $(srctree) $(Kconfig) > .tmp.config
38	$(Q)if [ -f .config ]; then 				\
39			cmp -s .tmp.config .config ||		\
40			(mv -f .config .config.old.1;		\
41			 mv -f .tmp.config .config;		\
42			 $(obj)/conf -s $(Kconfig);		\
43			 mv -f .config.old.1 .config.old)	\
44	else							\
45			mv -f .tmp.config .config;		\
46			$(obj)/conf -s $(Kconfig);		\
47	fi
48	$(Q)rm -f .tmp.config
49
50localyesconfig: $(obj)/streamline_config.pl $(obj)/conf
51	$(Q)perl $< $(srctree) $(Kconfig) > .tmp.config
52	$(Q)sed -i s/=m/=y/ .tmp.config
53	$(Q)if [ -f .config ]; then 				\
54			cmp -s .tmp.config .config ||		\
55			(mv -f .config .config.old.1;		\
56			 mv -f .tmp.config .config;		\
57			 $(obj)/conf -s $(Kconfig);		\
58			 mv -f .config.old.1 .config.old)	\
59	else							\
60			mv -f .tmp.config .config;		\
61			$(obj)/conf -s $(Kconfig);		\
62	fi
63	$(Q)rm -f .tmp.config
64
65# Create new linux.pot file
66# Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
67# The symlink is used to repair a deficiency in arch/um
68update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
69	$(Q)echo "  GEN config"
70	$(Q)xgettext --default-domain=linux              \
71	    --add-comments --keyword=_ --keyword=N_      \
72	    --from-code=UTF-8                            \
73	    --files-from=scripts/kconfig/POTFILES.in     \
74	    --output $(obj)/config.pot
75	$(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
76	$(Q)ln -fs Kconfig.i386 arch/um/Kconfig.arch
77	$(Q)(for i in `ls arch/*/Kconfig`;               \
78	    do                                           \
79		echo "  GEN $$i";                        \
80		$(obj)/kxgettext $$i                     \
81		     >> $(obj)/config.pot;               \
82	    done )
83	$(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
84	    --output $(obj)/linux.pot
85	$(Q)rm -f arch/um/Kconfig.arch
86	$(Q)rm -f $(obj)/config.pot
87
88PHONY += randconfig allyesconfig allnoconfig allmodconfig defconfig
89
90randconfig: $(obj)/conf
91	$< -r $(Kconfig)
92
93allyesconfig: $(obj)/conf
94	$< -y $(Kconfig)
95
96allnoconfig: $(obj)/conf
97	$< -n $(Kconfig)
98
99allmodconfig: $(obj)/conf
100	$< -m $(Kconfig)
101
102defconfig: $(obj)/conf
103ifeq ($(KBUILD_DEFCONFIG),)
104	$< -d $(Kconfig)
105else
106	@echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
107	$(Q)$< -D arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
108endif
109
110%_defconfig: $(obj)/conf
111	$(Q)$< -D arch/$(SRCARCH)/configs/$@ $(Kconfig)
112
113# Help text used by make help
114help:
115	@echo  '  config	  - Update current config utilising a line-oriented program'
116	@echo  '  nconfig         - Update current config utilising a ncurses menu based program'
117	@echo  '  menuconfig	  - Update current config utilising a menu based program'
118	@echo  '  xconfig	  - Update current config utilising a QT based front-end'
119	@echo  '  gconfig	  - Update current config utilising a GTK based front-end'
120	@echo  '  oldconfig	  - Update current config utilising a provided .config as base'
121	@echo  '  localmodconfig  - Update current config disabling modules not loaded'
122	@echo  '  localyesconfig  - Update current config converting local mods to core'
123	@echo  '  silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
124	@echo  '  randconfig	  - New config with random answer to all options'
125	@echo  '  defconfig	  - New config with default answer to all options'
126	@echo  '  allmodconfig	  - New config selecting modules when possible'
127	@echo  '  allyesconfig	  - New config where all options are accepted with yes'
128	@echo  '  allnoconfig	  - New config where all options are answered with no'
129
130# lxdialog stuff
131check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
132
133# Use recursively expanded variables so we do not call gcc unless
134# we really need to do so. (Do not call gcc as part of make mrproper)
135HOST_EXTRACFLAGS = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags)
136HOST_LOADLIBES   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
137
138HOST_EXTRACFLAGS += -DLOCALE
139
140
141# ===========================================================================
142# Shared Makefile for the various kconfig executables:
143# conf:	  Used for defconfig, oldconfig and related targets
144# nconf:  Used for the nconfig target.
145#         Utilizes ncurses
146# mconf:  Used for the menuconfig target
147#         Utilizes the lxdialog package
148# qconf:  Used for the xconfig target
149#         Based on QT which needs to be installed to compile it
150# gconf:  Used for the gconfig target
151#         Based on GTK which needs to be installed to compile it
152# object files used by all kconfig flavours
153
154lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
155lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
156
157conf-objs	:= conf.o  zconf.tab.o
158mconf-objs     := mconf.o zconf.tab.o $(lxdialog)
159nconf-objs     := nconf.o zconf.tab.o nconf.gui.o
160kxgettext-objs	:= kxgettext.o zconf.tab.o
161
162hostprogs-y := conf qconf gconf kxgettext
163
164ifeq ($(MAKECMDGOALS),nconfig)
165	hostprogs-y += nconf
166endif
167
168ifeq ($(MAKECMDGOALS),menuconfig)
169	hostprogs-y += mconf
170endif
171
172ifeq ($(MAKECMDGOALS),xconfig)
173	qconf-target := 1
174endif
175ifeq ($(MAKECMDGOALS),gconfig)
176	gconf-target := 1
177endif
178
179
180ifeq ($(qconf-target),1)
181qconf-cxxobjs	:= qconf.o
182qconf-objs	:= kconfig_load.o zconf.tab.o
183endif
184
185ifeq ($(gconf-target),1)
186gconf-objs	:= gconf.o kconfig_load.o zconf.tab.o
187endif
188
189clean-files	:= lkc_defs.h qconf.moc .tmp_qtcheck \
190		   .tmp_gtkcheck zconf.tab.c lex.zconf.c zconf.hash.c gconf.glade.h
191clean-files     += mconf qconf gconf nconf
192clean-files     += config.pot linux.pot
193
194# Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
195PHONY += $(obj)/dochecklxdialog
196$(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
197$(obj)/dochecklxdialog:
198	$(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOST_LOADLIBES)
199
200always := dochecklxdialog
201
202# Add environment specific flags
203HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
204
205# generated files seem to need this to find local include files
206HOSTCFLAGS_lex.zconf.o	:= -I$(src)
207HOSTCFLAGS_zconf.tab.o	:= -I$(src)
208
209HOSTLOADLIBES_qconf	= $(KC_QT_LIBS) -ldl
210HOSTCXXFLAGS_qconf.o	= $(KC_QT_CFLAGS) -D LKC_DIRECT_LINK
211
212HOSTLOADLIBES_gconf	= `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
213HOSTCFLAGS_gconf.o	= `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
214                          -D LKC_DIRECT_LINK
215
216HOSTLOADLIBES_nconf	= -lmenu -lpanel -lncurses
217$(obj)/qconf.o: $(obj)/.tmp_qtcheck
218
219ifeq ($(qconf-target),1)
220$(obj)/.tmp_qtcheck: $(src)/Makefile
221-include $(obj)/.tmp_qtcheck
222
223# QT needs some extra effort...
224$(obj)/.tmp_qtcheck:
225	@set -e; echo "  CHECK   qt"; dir=""; pkg=""; \
226	pkg-config --exists qt 2> /dev/null && pkg=qt; \
227	pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
228	if [ -n "$$pkg" ]; then \
229	  cflags="\$$(shell pkg-config $$pkg --cflags)"; \
230	  libs="\$$(shell pkg-config $$pkg --libs)"; \
231	  moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
232	  dir="$$(pkg-config $$pkg --variable=prefix)"; \
233	else \
234	  for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
235	    if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
236	  done; \
237	  if [ -z "$$dir" ]; then \
238	    echo "*"; \
239	    echo "* Unable to find the QT3 installation. Please make sure that"; \
240	    echo "* the QT3 development package is correctly installed and"; \
241	    echo "* either install pkg-config or set the QTDIR environment"; \
242	    echo "* variable to the correct location."; \
243	    echo "*"; \
244	    false; \
245	  fi; \
246	  libpath=$$dir/lib; lib=qt; osdir=""; \
247	  $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
248	    osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
249	  test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
250	  test -f $$libpath/libqt-mt.so && lib=qt-mt; \
251	  cflags="-I$$dir/include"; \
252	  libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
253	  moc="$$dir/bin/moc"; \
254	fi; \
255	if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
256	  echo "*"; \
257	  echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
258	  echo "*"; \
259	  moc="/usr/bin/moc"; \
260	fi; \
261	echo "KC_QT_CFLAGS=$$cflags" > $@; \
262	echo "KC_QT_LIBS=$$libs" >> $@; \
263	echo "KC_QT_MOC=$$moc" >> $@
264endif
265
266$(obj)/gconf.o: $(obj)/.tmp_gtkcheck
267
268ifeq ($(gconf-target),1)
269-include $(obj)/.tmp_gtkcheck
270
271# GTK needs some extra effort, too...
272$(obj)/.tmp_gtkcheck:
273	@if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then		\
274		if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then			\
275			touch $@;								\
276		else									\
277			echo "*"; 							\
278			echo "* GTK+ is present but version >= 2.0.0 is required.";	\
279			echo "*";							\
280			false;								\
281		fi									\
282	else										\
283		echo "*"; 								\
284		echo "* Unable to find the GTK+ installation. Please make sure that"; 	\
285		echo "* the GTK+ 2.0 development package is correctly installed..."; 	\
286		echo "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; 		\
287		echo "*"; 								\
288		false;									\
289	fi
290endif
291
292$(obj)/zconf.tab.o: $(obj)/lex.zconf.c $(obj)/zconf.hash.c
293
294$(obj)/kconfig_load.o: $(obj)/lkc_defs.h
295
296$(obj)/qconf.o: $(obj)/qconf.moc $(obj)/lkc_defs.h
297
298$(obj)/gconf.o: $(obj)/lkc_defs.h
299
300$(obj)/%.moc: $(src)/%.h
301	$(KC_QT_MOC) -i $< -o $@
302
303$(obj)/lkc_defs.h: $(src)/lkc_proto.h
304	sed < $< > $@ 's/P(\([^,]*\),.*/#define \1 (\*\1_p)/'
305
306# Extract gconf menu items for I18N support
307$(obj)/gconf.glade.h: $(obj)/gconf.glade
308	intltool-extract --type=gettext/glade $(obj)/gconf.glade
309
310###
311# The following requires flex/bison/gperf
312# By default we use the _shipped versions, uncomment the following line if
313# you are modifying the flex/bison src.
314# LKC_GENPARSER := 1
315
316ifdef LKC_GENPARSER
317
318$(obj)/zconf.tab.c: $(src)/zconf.y
319$(obj)/lex.zconf.c: $(src)/zconf.l
320$(obj)/zconf.hash.c: $(src)/zconf.gperf
321
322%.tab.c: %.y
323	bison -l -b $* -p $(notdir $*) $<
324	cp $@ $@_shipped
325
326lex.%.c: %.l
327	flex -L -P$(notdir $*) -o$@ $<
328	cp $@ $@_shipped
329
330%.hash.c: %.gperf
331	gperf < $< > $@
332	cp $@ $@_shipped
333
334endif
335