xref: /linux/scripts/kconfig/Makefile (revision 7cf3d73b4360e91b14326632ab1aeda4cb26308d)
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	$< --oldaskconfig $(Kconfig)
25
26nconfig: $(obj)/nconf
27	$< $(Kconfig)
28
29oldconfig: $(obj)/conf
30	$< --$@ $(Kconfig)
31
32silentoldconfig: $(obj)/conf
33	$(Q)mkdir -p include/generated
34	$< --$@ $(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 --silentoldconfig $(Kconfig);	\
43			 mv -f .config.old.1 .config.old)		\
44	else								\
45			mv -f .tmp.config .config;			\
46			$(obj)/conf --silentoldconfig $(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 --silentoldconfig $(Kconfig);	\
58			 mv -f .config.old.1 .config.old)		\
59	else								\
60			mv -f .tmp.config .config;			\
61			$(obj)/conf --silentoldconfig $(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 += allnoconfig allyesconfig allmodconfig alldefconfig randconfig
89
90allnoconfig allyesconfig allmodconfig alldefconfig randconfig: $(obj)/conf
91	$< --$@ $(Kconfig)
92
93PHONY += listnewconfig oldnoconfig savedefconfig defconfig
94
95listnewconfig oldnoconfig: $(obj)/conf
96	$< --$@ $(Kconfig)
97
98savedefconfig: $(obj)/conf
99	$< --$@=defconfig $(Kconfig)
100
101defconfig: $(obj)/conf
102ifeq ($(KBUILD_DEFCONFIG),)
103	$< --defconfig $(Kconfig)
104else
105	@echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
106	$(Q)$< --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
107endif
108
109%_defconfig: $(obj)/conf
110	$(Q)$< --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
111
112# Help text used by make help
113help:
114	@echo  '  config	  - Update current config utilising a line-oriented program'
115	@echo  '  nconfig         - Update current config utilising a ncurses menu based program'
116	@echo  '  menuconfig	  - Update current config utilising a menu based program'
117	@echo  '  xconfig	  - Update current config utilising a QT based front-end'
118	@echo  '  gconfig	  - Update current config utilising a GTK based front-end'
119	@echo  '  oldconfig	  - Update current config utilising a provided .config as base'
120	@echo  '  localmodconfig  - Update current config disabling modules not loaded'
121	@echo  '  localyesconfig  - Update current config converting local mods to core'
122	@echo  '  silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
123	@echo  '  defconfig	  - New config with default from ARCH supplied defconfig'
124	@echo  '  savedefconfig   - Save current config as ./defconfig (minimal config)'
125	@echo  '  allnoconfig	  - New config where all options are answered with no'
126	@echo  '  allyesconfig	  - New config where all options are accepted with yes'
127	@echo  '  allmodconfig	  - New config selecting modules when possible'
128	@echo  '  alldefconfig    - New config with all symbols set to default'
129	@echo  '  randconfig	  - New config with random answer to all options'
130	@echo  '  listnewconfig   - List new options'
131	@echo  '  oldnoconfig     - Same as silentoldconfig but set new symbols to n (unset)'
132
133# lxdialog stuff
134check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
135
136# Use recursively expanded variables so we do not call gcc unless
137# we really need to do so. (Do not call gcc as part of make mrproper)
138HOST_EXTRACFLAGS = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags)
139HOST_LOADLIBES   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
140
141HOST_EXTRACFLAGS += -DLOCALE
142
143
144# ===========================================================================
145# Shared Makefile for the various kconfig executables:
146# conf:	  Used for defconfig, oldconfig and related targets
147# nconf:  Used for the nconfig target.
148#         Utilizes ncurses
149# mconf:  Used for the menuconfig target
150#         Utilizes the lxdialog package
151# qconf:  Used for the xconfig target
152#         Based on QT which needs to be installed to compile it
153# gconf:  Used for the gconfig target
154#         Based on GTK which needs to be installed to compile it
155# object files used by all kconfig flavours
156
157lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
158lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
159
160conf-objs	:= conf.o  zconf.tab.o
161mconf-objs     := mconf.o zconf.tab.o $(lxdialog)
162nconf-objs     := nconf.o zconf.tab.o nconf.gui.o
163kxgettext-objs	:= kxgettext.o zconf.tab.o
164
165hostprogs-y := conf qconf gconf kxgettext
166
167ifeq ($(MAKECMDGOALS),nconfig)
168	hostprogs-y += nconf
169endif
170
171ifeq ($(MAKECMDGOALS),menuconfig)
172	hostprogs-y += mconf
173endif
174
175ifeq ($(MAKECMDGOALS),xconfig)
176	qconf-target := 1
177endif
178ifeq ($(MAKECMDGOALS),gconfig)
179	gconf-target := 1
180endif
181
182
183ifeq ($(qconf-target),1)
184qconf-cxxobjs	:= qconf.o
185qconf-objs	:= kconfig_load.o zconf.tab.o
186endif
187
188ifeq ($(gconf-target),1)
189gconf-objs	:= gconf.o kconfig_load.o zconf.tab.o
190endif
191
192clean-files	:= lkc_defs.h qconf.moc .tmp_qtcheck \
193		   .tmp_gtkcheck zconf.tab.c lex.zconf.c zconf.hash.c gconf.glade.h
194clean-files     += mconf qconf gconf nconf
195clean-files     += config.pot linux.pot
196
197# Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
198PHONY += $(obj)/dochecklxdialog
199$(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
200$(obj)/dochecklxdialog:
201	$(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOST_LOADLIBES)
202
203always := dochecklxdialog
204
205# Add environment specific flags
206HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
207
208# generated files seem to need this to find local include files
209HOSTCFLAGS_lex.zconf.o	:= -I$(src)
210HOSTCFLAGS_zconf.tab.o	:= -I$(src)
211
212HOSTLOADLIBES_qconf	= $(KC_QT_LIBS) -ldl
213HOSTCXXFLAGS_qconf.o	= $(KC_QT_CFLAGS) -D LKC_DIRECT_LINK
214
215HOSTLOADLIBES_gconf	= `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
216HOSTCFLAGS_gconf.o	= `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
217                          -D LKC_DIRECT_LINK
218
219HOSTLOADLIBES_nconf	= -lmenu -lpanel -lncurses
220$(obj)/qconf.o: $(obj)/.tmp_qtcheck
221
222ifeq ($(qconf-target),1)
223$(obj)/.tmp_qtcheck: $(src)/Makefile
224-include $(obj)/.tmp_qtcheck
225
226# QT needs some extra effort...
227$(obj)/.tmp_qtcheck:
228	@set -e; echo "  CHECK   qt"; dir=""; pkg=""; \
229	pkg-config --exists qt 2> /dev/null && pkg=qt; \
230	pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
231	if [ -n "$$pkg" ]; then \
232	  cflags="\$$(shell pkg-config $$pkg --cflags)"; \
233	  libs="\$$(shell pkg-config $$pkg --libs)"; \
234	  moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
235	  dir="$$(pkg-config $$pkg --variable=prefix)"; \
236	else \
237	  for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
238	    if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
239	  done; \
240	  if [ -z "$$dir" ]; then \
241	    echo "*"; \
242	    echo "* Unable to find the QT3 installation. Please make sure that"; \
243	    echo "* the QT3 development package is correctly installed and"; \
244	    echo "* either install pkg-config or set the QTDIR environment"; \
245	    echo "* variable to the correct location."; \
246	    echo "*"; \
247	    false; \
248	  fi; \
249	  libpath=$$dir/lib; lib=qt; osdir=""; \
250	  $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
251	    osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
252	  test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
253	  test -f $$libpath/libqt-mt.so && lib=qt-mt; \
254	  cflags="-I$$dir/include"; \
255	  libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
256	  moc="$$dir/bin/moc"; \
257	fi; \
258	if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
259	  echo "*"; \
260	  echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
261	  echo "*"; \
262	  moc="/usr/bin/moc"; \
263	fi; \
264	echo "KC_QT_CFLAGS=$$cflags" > $@; \
265	echo "KC_QT_LIBS=$$libs" >> $@; \
266	echo "KC_QT_MOC=$$moc" >> $@
267endif
268
269$(obj)/gconf.o: $(obj)/.tmp_gtkcheck
270
271ifeq ($(gconf-target),1)
272-include $(obj)/.tmp_gtkcheck
273
274# GTK needs some extra effort, too...
275$(obj)/.tmp_gtkcheck:
276	@if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then		\
277		if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then			\
278			touch $@;								\
279		else									\
280			echo "*"; 							\
281			echo "* GTK+ is present but version >= 2.0.0 is required.";	\
282			echo "*";							\
283			false;								\
284		fi									\
285	else										\
286		echo "*"; 								\
287		echo "* Unable to find the GTK+ installation. Please make sure that"; 	\
288		echo "* the GTK+ 2.0 development package is correctly installed..."; 	\
289		echo "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; 		\
290		echo "*"; 								\
291		false;									\
292	fi
293endif
294
295$(obj)/zconf.tab.o: $(obj)/lex.zconf.c $(obj)/zconf.hash.c
296
297$(obj)/kconfig_load.o: $(obj)/lkc_defs.h
298
299$(obj)/qconf.o: $(obj)/qconf.moc $(obj)/lkc_defs.h
300
301$(obj)/gconf.o: $(obj)/lkc_defs.h
302
303$(obj)/%.moc: $(src)/%.h
304	$(KC_QT_MOC) -i $< -o $@
305
306$(obj)/lkc_defs.h: $(src)/lkc_proto.h
307	sed < $< > $@ 's/P(\([^,]*\),.*/#define \1 (\*\1_p)/'
308
309# Extract gconf menu items for I18N support
310$(obj)/gconf.glade.h: $(obj)/gconf.glade
311	intltool-extract --type=gettext/glade $(obj)/gconf.glade
312
313###
314# The following requires flex/bison/gperf
315# By default we use the _shipped versions, uncomment the following line if
316# you are modifying the flex/bison src.
317# LKC_GENPARSER := 1
318
319ifdef LKC_GENPARSER
320
321$(obj)/zconf.tab.c: $(src)/zconf.y
322$(obj)/lex.zconf.c: $(src)/zconf.l
323$(obj)/zconf.hash.c: $(src)/zconf.gperf
324
325%.tab.c: %.y
326	bison -l -b $* -p $(notdir $*) $<
327	cp $@ $@_shipped
328
329lex.%.c: %.l
330	flex -L -P$(notdir $*) -o$@ $<
331	cp $@ $@_shipped
332
333%.hash.c: %.gperf
334	gperf < $< > $@
335	cp $@ $@_shipped
336
337endif
338