xref: /linux/scripts/kconfig/Makefile (revision 0748cb3e1fbd89c03a98c15e91ad65797981de77)
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 defconfig
94
95listnewconfig oldnoconfig: $(obj)/conf
96	$< --$@ $(Kconfig)
97
98defconfig: $(obj)/conf
99ifeq ($(KBUILD_DEFCONFIG),)
100	$< --defconfig $(Kconfig)
101else
102	@echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
103	$(Q)$< --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
104endif
105
106%_defconfig: $(obj)/conf
107	$(Q)$< --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
108
109# Help text used by make help
110help:
111	@echo  '  config	  - Update current config utilising a line-oriented program'
112	@echo  '  nconfig         - Update current config utilising a ncurses menu based program'
113	@echo  '  menuconfig	  - Update current config utilising a menu based program'
114	@echo  '  xconfig	  - Update current config utilising a QT based front-end'
115	@echo  '  gconfig	  - Update current config utilising a GTK based front-end'
116	@echo  '  oldconfig	  - Update current config utilising a provided .config as base'
117	@echo  '  localmodconfig  - Update current config disabling modules not loaded'
118	@echo  '  localyesconfig  - Update current config converting local mods to core'
119	@echo  '  silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
120	@echo  '  defconfig	  - New config with default from ARCH supplied defconfig'
121	@echo  '  allnoconfig	  - New config where all options are answered with no'
122	@echo  '  allyesconfig	  - New config where all options are accepted with yes'
123	@echo  '  allmodconfig	  - New config selecting modules when possible'
124	@echo  '  alldefconfig    - New config with all symbols set to default'
125	@echo  '  randconfig	  - New config with random answer to all options'
126	@echo  '  listnewconfig   - List new options'
127	@echo  '  oldnoconfig     - Same as silentoldconfig but set new symbols to n (unset)'
128
129# lxdialog stuff
130check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
131
132# Use recursively expanded variables so we do not call gcc unless
133# we really need to do so. (Do not call gcc as part of make mrproper)
134HOST_EXTRACFLAGS = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags)
135HOST_LOADLIBES   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
136
137HOST_EXTRACFLAGS += -DLOCALE
138
139
140# ===========================================================================
141# Shared Makefile for the various kconfig executables:
142# conf:	  Used for defconfig, oldconfig and related targets
143# nconf:  Used for the nconfig target.
144#         Utilizes ncurses
145# mconf:  Used for the menuconfig target
146#         Utilizes the lxdialog package
147# qconf:  Used for the xconfig target
148#         Based on QT which needs to be installed to compile it
149# gconf:  Used for the gconfig target
150#         Based on GTK which needs to be installed to compile it
151# object files used by all kconfig flavours
152
153lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
154lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
155
156conf-objs	:= conf.o  zconf.tab.o
157mconf-objs     := mconf.o zconf.tab.o $(lxdialog)
158nconf-objs     := nconf.o zconf.tab.o nconf.gui.o
159kxgettext-objs	:= kxgettext.o zconf.tab.o
160
161hostprogs-y := conf qconf gconf kxgettext
162
163ifeq ($(MAKECMDGOALS),nconfig)
164	hostprogs-y += nconf
165endif
166
167ifeq ($(MAKECMDGOALS),menuconfig)
168	hostprogs-y += mconf
169endif
170
171ifeq ($(MAKECMDGOALS),xconfig)
172	qconf-target := 1
173endif
174ifeq ($(MAKECMDGOALS),gconfig)
175	gconf-target := 1
176endif
177
178
179ifeq ($(qconf-target),1)
180qconf-cxxobjs	:= qconf.o
181qconf-objs	:= kconfig_load.o zconf.tab.o
182endif
183
184ifeq ($(gconf-target),1)
185gconf-objs	:= gconf.o kconfig_load.o zconf.tab.o
186endif
187
188clean-files	:= lkc_defs.h qconf.moc .tmp_qtcheck \
189		   .tmp_gtkcheck zconf.tab.c lex.zconf.c zconf.hash.c gconf.glade.h
190clean-files     += mconf qconf gconf nconf
191clean-files     += config.pot linux.pot
192
193# Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
194PHONY += $(obj)/dochecklxdialog
195$(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
196$(obj)/dochecklxdialog:
197	$(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOST_LOADLIBES)
198
199always := dochecklxdialog
200
201# Add environment specific flags
202HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
203
204# generated files seem to need this to find local include files
205HOSTCFLAGS_lex.zconf.o	:= -I$(src)
206HOSTCFLAGS_zconf.tab.o	:= -I$(src)
207
208HOSTLOADLIBES_qconf	= $(KC_QT_LIBS) -ldl
209HOSTCXXFLAGS_qconf.o	= $(KC_QT_CFLAGS) -D LKC_DIRECT_LINK
210
211HOSTLOADLIBES_gconf	= `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
212HOSTCFLAGS_gconf.o	= `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
213                          -D LKC_DIRECT_LINK
214
215HOSTLOADLIBES_nconf	= -lmenu -lpanel -lncurses
216$(obj)/qconf.o: $(obj)/.tmp_qtcheck
217
218ifeq ($(qconf-target),1)
219$(obj)/.tmp_qtcheck: $(src)/Makefile
220-include $(obj)/.tmp_qtcheck
221
222# QT needs some extra effort...
223$(obj)/.tmp_qtcheck:
224	@set -e; echo "  CHECK   qt"; dir=""; pkg=""; \
225	pkg-config --exists qt 2> /dev/null && pkg=qt; \
226	pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
227	if [ -n "$$pkg" ]; then \
228	  cflags="\$$(shell pkg-config $$pkg --cflags)"; \
229	  libs="\$$(shell pkg-config $$pkg --libs)"; \
230	  moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
231	  dir="$$(pkg-config $$pkg --variable=prefix)"; \
232	else \
233	  for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
234	    if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
235	  done; \
236	  if [ -z "$$dir" ]; then \
237	    echo "*"; \
238	    echo "* Unable to find the QT3 installation. Please make sure that"; \
239	    echo "* the QT3 development package is correctly installed and"; \
240	    echo "* either install pkg-config or set the QTDIR environment"; \
241	    echo "* variable to the correct location."; \
242	    echo "*"; \
243	    false; \
244	  fi; \
245	  libpath=$$dir/lib; lib=qt; osdir=""; \
246	  $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
247	    osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
248	  test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
249	  test -f $$libpath/libqt-mt.so && lib=qt-mt; \
250	  cflags="-I$$dir/include"; \
251	  libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
252	  moc="$$dir/bin/moc"; \
253	fi; \
254	if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
255	  echo "*"; \
256	  echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
257	  echo "*"; \
258	  moc="/usr/bin/moc"; \
259	fi; \
260	echo "KC_QT_CFLAGS=$$cflags" > $@; \
261	echo "KC_QT_LIBS=$$libs" >> $@; \
262	echo "KC_QT_MOC=$$moc" >> $@
263endif
264
265$(obj)/gconf.o: $(obj)/.tmp_gtkcheck
266
267ifeq ($(gconf-target),1)
268-include $(obj)/.tmp_gtkcheck
269
270# GTK needs some extra effort, too...
271$(obj)/.tmp_gtkcheck:
272	@if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then		\
273		if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then			\
274			touch $@;								\
275		else									\
276			echo "*"; 							\
277			echo "* GTK+ is present but version >= 2.0.0 is required.";	\
278			echo "*";							\
279			false;								\
280		fi									\
281	else										\
282		echo "*"; 								\
283		echo "* Unable to find the GTK+ installation. Please make sure that"; 	\
284		echo "* the GTK+ 2.0 development package is correctly installed..."; 	\
285		echo "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; 		\
286		echo "*"; 								\
287		false;									\
288	fi
289endif
290
291$(obj)/zconf.tab.o: $(obj)/lex.zconf.c $(obj)/zconf.hash.c
292
293$(obj)/kconfig_load.o: $(obj)/lkc_defs.h
294
295$(obj)/qconf.o: $(obj)/qconf.moc $(obj)/lkc_defs.h
296
297$(obj)/gconf.o: $(obj)/lkc_defs.h
298
299$(obj)/%.moc: $(src)/%.h
300	$(KC_QT_MOC) -i $< -o $@
301
302$(obj)/lkc_defs.h: $(src)/lkc_proto.h
303	sed < $< > $@ 's/P(\([^,]*\),.*/#define \1 (\*\1_p)/'
304
305# Extract gconf menu items for I18N support
306$(obj)/gconf.glade.h: $(obj)/gconf.glade
307	intltool-extract --type=gettext/glade $(obj)/gconf.glade
308
309###
310# The following requires flex/bison/gperf
311# By default we use the _shipped versions, uncomment the following line if
312# you are modifying the flex/bison src.
313# LKC_GENPARSER := 1
314
315ifdef LKC_GENPARSER
316
317$(obj)/zconf.tab.c: $(src)/zconf.y
318$(obj)/lex.zconf.c: $(src)/zconf.l
319$(obj)/zconf.hash.c: $(src)/zconf.gperf
320
321%.tab.c: %.y
322	bison -l -b $* -p $(notdir $*) $<
323	cp $@ $@_shipped
324
325lex.%.c: %.l
326	flex -L -P$(notdir $*) -o$@ $<
327	cp $@ $@_shipped
328
329%.hash.c: %.gperf
330	gperf < $< > $@
331	cp $@ $@_shipped
332
333endif
334