xref: /linux/scripts/kconfig/Makefile (revision 3cebbb81c7e75321e25cc586d07a25a3d98278fc) 
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	$(Q)mkdir -p include/generated
31	$< -s $(Kconfig)
32
33# if no path is given, then use src directory to find file
34ifdef LSMOD
35LSMOD_F := $(LSMOD)
36ifeq ($(findstring /,$(LSMOD)),)
37  LSMOD_F := $(objtree)/$(LSMOD)
38endif
39endif
40
41localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
42	$(Q)mkdir -p include/generated
43	$(Q)perl $< $(srctree) $(Kconfig) $(LSMOD_F) > .tmp.config
44	$(Q)if [ -f .config ]; then 				\
45			cmp -s .tmp.config .config ||		\
46			(mv -f .config .config.old.1;		\
47			 mv -f .tmp.config .config;		\
48			 $(obj)/conf -s $(Kconfig);		\
49			 mv -f .config.old.1 .config.old)	\
50	else							\
51			mv -f .tmp.config .config;		\
52			$(obj)/conf -s $(Kconfig);		\
53	fi
54	$(Q)rm -f .tmp.config
55
56localyesconfig: $(obj)/streamline_config.pl $(obj)/conf
57	$(Q)mkdir -p include/generated
58	$(Q)perl $< $(srctree) $(Kconfig) $(LSMOD_F) > .tmp.config
59	$(Q)sed -i s/=m/=y/ .tmp.config
60	$(Q)if [ -f .config ]; then 				\
61			cmp -s .tmp.config .config ||		\
62			(mv -f .config .config.old.1;		\
63			 mv -f .tmp.config .config;		\
64			 $(obj)/conf -s $(Kconfig);		\
65			 mv -f .config.old.1 .config.old)	\
66	else							\
67			mv -f .tmp.config .config;		\
68			$(obj)/conf -s $(Kconfig);		\
69	fi
70	$(Q)rm -f .tmp.config
71
72# Create new linux.pot file
73# Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
74# The symlink is used to repair a deficiency in arch/um
75update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
76	$(Q)echo "  GEN config"
77	$(Q)xgettext --default-domain=linux              \
78	    --add-comments --keyword=_ --keyword=N_      \
79	    --from-code=UTF-8                            \
80	    --files-from=scripts/kconfig/POTFILES.in     \
81	    --output $(obj)/config.pot
82	$(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
83	$(Q)ln -fs Kconfig.i386 arch/um/Kconfig.arch
84	$(Q)(for i in `ls arch/*/Kconfig`;               \
85	    do                                           \
86		echo "  GEN $$i";                        \
87		$(obj)/kxgettext $$i                     \
88		     >> $(obj)/config.pot;               \
89	    done )
90	$(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
91	    --output $(obj)/linux.pot
92	$(Q)rm -f arch/um/Kconfig.arch
93	$(Q)rm -f $(obj)/config.pot
94
95PHONY += randconfig allyesconfig allnoconfig allmodconfig defconfig
96
97randconfig: $(obj)/conf
98	$< -r $(Kconfig)
99
100allyesconfig: $(obj)/conf
101	$< -y $(Kconfig)
102
103allnoconfig: $(obj)/conf
104	$< -n $(Kconfig)
105
106allmodconfig: $(obj)/conf
107	$< -m $(Kconfig)
108
109defconfig: $(obj)/conf
110ifeq ($(KBUILD_DEFCONFIG),)
111	$< -d $(Kconfig)
112else
113	@echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
114	$(Q)$< -D arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
115endif
116
117%_defconfig: $(obj)/conf
118	$(Q)$< -D arch/$(SRCARCH)/configs/$@ $(Kconfig)
119
120# Help text used by make help
121help:
122	@echo  '  config	  - Update current config utilising a line-oriented program'
123	@echo  '  menuconfig	  - Update current config utilising a menu based program'
124	@echo  '  xconfig	  - Update current config utilising a QT based front-end'
125	@echo  '  gconfig	  - Update current config utilising a GTK based front-end'
126	@echo  '  oldconfig	  - Update current config utilising a provided .config as base'
127	@echo  '  localmodconfig  - Update current config disabling modules not loaded'
128	@echo  '  localyesconfig  - Update current config converting local mods to core'
129	@echo  '  silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
130	@echo  '  randconfig	  - New config with random answer to all options'
131	@echo  '  defconfig	  - New config with default answer to all options'
132	@echo  '  allmodconfig	  - New config selecting modules when possible'
133	@echo  '  allyesconfig	  - New config where all options are accepted with yes'
134	@echo  '  allnoconfig	  - New config where all options are answered with no'
135
136# lxdialog stuff
137check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
138
139# Use recursively expanded variables so we do not call gcc unless
140# we really need to do so. (Do not call gcc as part of make mrproper)
141HOST_EXTRACFLAGS = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags)
142HOST_LOADLIBES   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
143
144HOST_EXTRACFLAGS += -DLOCALE
145
146
147# ===========================================================================
148# Shared Makefile for the various kconfig executables:
149# conf:	  Used for defconfig, oldconfig and related targets
150# mconf:  Used for the menuconfig target
151#         Utilizes the lxdialog package
152# qconf:  Used for the xconfig target
153#         Based on QT which needs to be installed to compile it
154# gconf:  Used for the gconfig target
155#         Based on GTK which needs to be installed to compile it
156# object files used by all kconfig flavours
157
158lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
159lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
160
161conf-objs	:= conf.o  zconf.tab.o
162mconf-objs	:= mconf.o zconf.tab.o $(lxdialog)
163kxgettext-objs	:= kxgettext.o zconf.tab.o
164
165hostprogs-y := conf qconf gconf kxgettext
166
167ifeq ($(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
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	= $(KC_QT_CFLAGS) -D LKC_DIRECT_LINK
210
211HOSTLOADLIBES_gconf	= `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
212HOSTCFLAGS_gconf.o	= `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
213                          -D LKC_DIRECT_LINK
214
215$(obj)/qconf.o: $(obj)/.tmp_qtcheck
216
217ifeq ($(qconf-target),1)
218$(obj)/.tmp_qtcheck: $(src)/Makefile
219-include $(obj)/.tmp_qtcheck
220
221# QT needs some extra effort...
222$(obj)/.tmp_qtcheck:
223	@set -e; echo "  CHECK   qt"; dir=""; pkg=""; \
224	pkg-config --exists qt 2> /dev/null && pkg=qt; \
225	pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
226	if [ -n "$$pkg" ]; then \
227	  cflags="\$$(shell pkg-config $$pkg --cflags)"; \
228	  libs="\$$(shell pkg-config $$pkg --libs)"; \
229	  moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
230	  dir="$$(pkg-config $$pkg --variable=prefix)"; \
231	else \
232	  for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
233	    if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
234	  done; \
235	  if [ -z "$$dir" ]; then \
236	    echo "*"; \
237	    echo "* Unable to find the QT3 installation. Please make sure that"; \
238	    echo "* the QT3 development package is correctly installed and"; \
239	    echo "* either install pkg-config or set the QTDIR environment"; \
240	    echo "* variable to the correct location."; \
241	    echo "*"; \
242	    false; \
243	  fi; \
244	  libpath=$$dir/lib; lib=qt; osdir=""; \
245	  $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
246	    osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
247	  test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
248	  test -f $$libpath/libqt-mt.so && lib=qt-mt; \
249	  cflags="-I$$dir/include"; \
250	  libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
251	  moc="$$dir/bin/moc"; \
252	fi; \
253	if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
254	  echo "*"; \
255	  echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
256	  echo "*"; \
257	  moc="/usr/bin/moc"; \
258	fi; \
259	echo "KC_QT_CFLAGS=$$cflags" > $@; \
260	echo "KC_QT_LIBS=$$libs" >> $@; \
261	echo "KC_QT_MOC=$$moc" >> $@
262endif
263
264$(obj)/gconf.o: $(obj)/.tmp_gtkcheck
265
266ifeq ($(gconf-target),1)
267-include $(obj)/.tmp_gtkcheck
268
269# GTK needs some extra effort, too...
270$(obj)/.tmp_gtkcheck:
271	@if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then		\
272		if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then			\
273			touch $@;								\
274		else									\
275			echo "*"; 							\
276			echo "* GTK+ is present but version >= 2.0.0 is required.";	\
277			echo "*";							\
278			false;								\
279		fi									\
280	else										\
281		echo "*"; 								\
282		echo "* Unable to find the GTK+ installation. Please make sure that"; 	\
283		echo "* the GTK+ 2.0 development package is correctly installed..."; 	\
284		echo "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; 		\
285		echo "*"; 								\
286		false;									\
287	fi
288endif
289
290$(obj)/zconf.tab.o: $(obj)/lex.zconf.c $(obj)/zconf.hash.c
291
292$(obj)/kconfig_load.o: $(obj)/lkc_defs.h
293
294$(obj)/qconf.o: $(obj)/qconf.moc $(obj)/lkc_defs.h
295
296$(obj)/gconf.o: $(obj)/lkc_defs.h
297
298$(obj)/%.moc: $(src)/%.h
299	$(KC_QT_MOC) -i $< -o $@
300
301$(obj)/lkc_defs.h: $(src)/lkc_proto.h
302	sed < $< > $@ 's/P(\([^,]*\),.*/#define \1 (\*\1_p)/'
303
304# Extract gconf menu items for I18N support
305$(obj)/gconf.glade.h: $(obj)/gconf.glade
306	intltool-extract --type=gettext/glade $(obj)/gconf.glade
307
308###
309# The following requires flex/bison/gperf
310# By default we use the _shipped versions, uncomment the following line if
311# you are modifying the flex/bison src.
312# LKC_GENPARSER := 1
313
314ifdef LKC_GENPARSER
315
316$(obj)/zconf.tab.c: $(src)/zconf.y
317$(obj)/lex.zconf.c: $(src)/zconf.l
318$(obj)/zconf.hash.c: $(src)/zconf.gperf
319
320%.tab.c: %.y
321	bison -l -b $* -p $(notdir $*) $<
322	cp $@ $@_shipped
323
324lex.%.c: %.l
325	flex -L -P$(notdir $*) -o$@ $<
326	cp $@ $@_shipped
327
328%.hash.c: %.gperf
329	gperf < $< > $@
330	cp $@ $@_shipped
331
332endif
333