xref: /linux/scripts/kconfig/Makefile (revision 838a2e55e6a4e9e8a10451ed2ef0f7a08dabdb04)
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 := 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
36# if no path is given, then use src directory to find file
37ifdef LSMOD
38LSMOD_F := $(LSMOD)
39ifeq ($(findstring /,$(LSMOD)),)
40  LSMOD_F := $(objtree)/$(LSMOD)
41endif
42endif
43
44localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
45	$(Q)mkdir -p include/generated
46	$(Q)perl $< $(srctree) $(Kconfig) $(LSMOD_F) > .tmp.config
47	$(Q)if [ -f .config ]; then 					\
48			cmp -s .tmp.config .config ||			\
49			(mv -f .config .config.old.1;			\
50			 mv -f .tmp.config .config;			\
51			 $(obj)/conf --silentoldconfig $(Kconfig);	\
52			 mv -f .config.old.1 .config.old)		\
53	else								\
54			mv -f .tmp.config .config;			\
55			$(obj)/conf --silentoldconfig $(Kconfig);	\
56	fi
57	$(Q)rm -f .tmp.config
58
59localyesconfig: $(obj)/streamline_config.pl $(obj)/conf
60	$(Q)mkdir -p include/generated
61	$(Q)perl $< $(srctree) $(Kconfig) $(LSMOD_F) > .tmp.config
62	$(Q)sed -i s/=m/=y/ .tmp.config
63	$(Q)if [ -f .config ]; then					\
64			cmp -s .tmp.config .config ||			\
65			(mv -f .config .config.old.1;			\
66			 mv -f .tmp.config .config;			\
67			 $(obj)/conf --silentoldconfig $(Kconfig);	\
68			 mv -f .config.old.1 .config.old)		\
69	else								\
70			mv -f .tmp.config .config;			\
71			$(obj)/conf --silentoldconfig $(Kconfig);	\
72	fi
73	$(Q)rm -f .tmp.config
74
75# Create new linux.pot file
76# Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
77# The symlink is used to repair a deficiency in arch/um
78update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
79	$(Q)echo "  GEN config"
80	$(Q)xgettext --default-domain=linux              \
81	    --add-comments --keyword=_ --keyword=N_      \
82	    --from-code=UTF-8                            \
83	    --files-from=scripts/kconfig/POTFILES.in     \
84	    --output $(obj)/config.pot
85	$(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
86	$(Q)ln -fs Kconfig.i386 arch/um/Kconfig.arch
87	$(Q)(for i in `ls arch/*/Kconfig`;               \
88	    do                                           \
89		echo "  GEN $$i";                        \
90		$(obj)/kxgettext $$i                     \
91		     >> $(obj)/config.pot;               \
92	    done )
93	$(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
94	    --output $(obj)/linux.pot
95	$(Q)rm -f arch/um/Kconfig.arch
96	$(Q)rm -f $(obj)/config.pot
97
98PHONY += allnoconfig allyesconfig allmodconfig alldefconfig randconfig
99
100allnoconfig allyesconfig allmodconfig alldefconfig randconfig: $(obj)/conf
101	$< --$@ $(Kconfig)
102
103PHONY += listnewconfig oldnoconfig savedefconfig defconfig
104
105listnewconfig oldnoconfig: $(obj)/conf
106	$< --$@ $(Kconfig)
107
108savedefconfig: $(obj)/conf
109	$< --$@=defconfig $(Kconfig)
110
111defconfig: $(obj)/conf
112ifeq ($(KBUILD_DEFCONFIG),)
113	$< --defconfig $(Kconfig)
114else
115	@echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
116	$(Q)$< --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
117endif
118
119%_defconfig: $(obj)/conf
120	$(Q)$< --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
121
122# Help text used by make help
123help:
124	@echo  '  config	  - Update current config utilising a line-oriented program'
125	@echo  '  nconfig         - Update current config utilising a ncurses menu based program'
126	@echo  '  menuconfig	  - Update current config utilising a menu based program'
127	@echo  '  xconfig	  - Update current config utilising a QT based front-end'
128	@echo  '  gconfig	  - Update current config utilising a GTK based front-end'
129	@echo  '  oldconfig	  - Update current config utilising a provided .config as base'
130	@echo  '  localmodconfig  - Update current config disabling modules not loaded'
131	@echo  '  localyesconfig  - Update current config converting local mods to core'
132	@echo  '  silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
133	@echo  '  defconfig	  - New config with default from ARCH supplied defconfig'
134	@echo  '  savedefconfig   - Save current config as ./defconfig (minimal config)'
135	@echo  '  allnoconfig	  - New config where all options are answered with no'
136	@echo  '  allyesconfig	  - New config where all options are accepted with yes'
137	@echo  '  allmodconfig	  - New config selecting modules when possible'
138	@echo  '  alldefconfig    - New config with all symbols set to default'
139	@echo  '  randconfig	  - New config with random answer to all options'
140	@echo  '  listnewconfig   - List new options'
141	@echo  '  oldnoconfig     - Same as silentoldconfig but set new symbols to n (unset)'
142
143# lxdialog stuff
144check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
145
146# Use recursively expanded variables so we do not call gcc unless
147# we really need to do so. (Do not call gcc as part of make mrproper)
148HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
149                    -DLOCALE
150
151# ===========================================================================
152# Shared Makefile for the various kconfig executables:
153# conf:	  Used for defconfig, oldconfig and related targets
154# nconf:  Used for the nconfig target.
155#         Utilizes ncurses
156# mconf:  Used for the menuconfig target
157#         Utilizes the lxdialog package
158# qconf:  Used for the xconfig target
159#         Based on QT which needs to be installed to compile it
160# gconf:  Used for the gconfig target
161#         Based on GTK which needs to be installed to compile it
162# object files used by all kconfig flavours
163
164lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
165lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
166
167conf-objs	:= conf.o  zconf.tab.o
168mconf-objs     := mconf.o zconf.tab.o $(lxdialog)
169nconf-objs     := nconf.o zconf.tab.o nconf.gui.o
170kxgettext-objs	:= kxgettext.o zconf.tab.o
171
172hostprogs-y := conf qconf gconf kxgettext
173
174ifeq ($(MAKECMDGOALS),nconfig)
175	hostprogs-y += nconf
176endif
177
178ifeq ($(MAKECMDGOALS),menuconfig)
179	hostprogs-y += mconf
180endif
181
182ifeq ($(MAKECMDGOALS),xconfig)
183	qconf-target := 1
184endif
185ifeq ($(MAKECMDGOALS),gconfig)
186	gconf-target := 1
187endif
188
189
190ifeq ($(qconf-target),1)
191qconf-cxxobjs	:= qconf.o
192qconf-objs	:= kconfig_load.o zconf.tab.o
193endif
194
195ifeq ($(gconf-target),1)
196gconf-objs	:= gconf.o kconfig_load.o zconf.tab.o
197endif
198
199clean-files	:= lkc_defs.h qconf.moc .tmp_qtcheck \
200		   .tmp_gtkcheck zconf.tab.c lex.zconf.c zconf.hash.c gconf.glade.h
201clean-files     += mconf qconf gconf nconf
202clean-files     += config.pot linux.pot
203
204# Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
205PHONY += $(obj)/dochecklxdialog
206$(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
207$(obj)/dochecklxdialog:
208	$(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
209
210always := dochecklxdialog
211
212# Add environment specific flags
213HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
214
215# generated files seem to need this to find local include files
216HOSTCFLAGS_lex.zconf.o	:= -I$(src)
217HOSTCFLAGS_zconf.tab.o	:= -I$(src)
218
219HOSTLOADLIBES_qconf	= $(KC_QT_LIBS) -ldl
220HOSTCXXFLAGS_qconf.o	= $(KC_QT_CFLAGS) -D LKC_DIRECT_LINK
221
222HOSTLOADLIBES_gconf	= `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0` -ldl
223HOSTCFLAGS_gconf.o	= `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
224                          -D LKC_DIRECT_LINK
225
226HOSTLOADLIBES_mconf   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
227
228HOSTLOADLIBES_nconf	= -lmenu -lpanel -lncurses
229$(obj)/qconf.o: $(obj)/.tmp_qtcheck
230
231ifeq ($(qconf-target),1)
232$(obj)/.tmp_qtcheck: $(src)/Makefile
233-include $(obj)/.tmp_qtcheck
234
235# QT needs some extra effort...
236$(obj)/.tmp_qtcheck:
237	@set -e; echo "  CHECK   qt"; dir=""; pkg=""; \
238	if ! pkg-config --exists QtCore 2> /dev/null; then \
239	    echo "* Unable to find the QT4 tool qmake. Trying to use QT3"; \
240	    pkg-config --exists qt 2> /dev/null && pkg=qt; \
241	    pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
242	    if [ -n "$$pkg" ]; then \
243	      cflags="\$$(shell pkg-config $$pkg --cflags)"; \
244	      libs="\$$(shell pkg-config $$pkg --libs)"; \
245	      moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
246	      dir="$$(pkg-config $$pkg --variable=prefix)"; \
247	    else \
248	      for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
249	        if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
250	      done; \
251	      if [ -z "$$dir" ]; then \
252	        echo "*"; \
253	        echo "* Unable to find any QT installation. Please make sure that"; \
254	        echo "* the QT4 or QT3 development package is correctly installed and"; \
255	        echo "* either qmake can be found or install pkg-config or set"; \
256	        echo "* the QTDIR environment variable to the correct location."; \
257	        echo "*"; \
258	        false; \
259	      fi; \
260	      libpath=$$dir/lib; lib=qt; osdir=""; \
261	      $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
262	        osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
263	      test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
264	      test -f $$libpath/libqt-mt.so && lib=qt-mt; \
265	      cflags="-I$$dir/include"; \
266	      libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
267	      moc="$$dir/bin/moc"; \
268	    fi; \
269	    if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
270	      echo "*"; \
271	      echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
272	      echo "*"; \
273	      moc="/usr/bin/moc"; \
274	    fi; \
275	else \
276	  headerpath="\$$(shell qmake -query QT_INSTALL_HEADERS)"; \
277	  libpath="\$$(shell qmake -query QT_INSTALL_LIBS)"; \
278	  binpath="\$$(shell qmake -query QT_INSTALL_BINS)"; \
279	  cflags="-I$$headerpath -I$$headerpath/QtCore -I$$headerpath/QtGui -I$$headerpath/Qt3Support -DQT3_SUPPORT"; \
280	  libs="-L$$libpath -Wl,-rpath,$$libpath -lQtCore -lQtGui -lQt3Support"; \
281	  moc="$$binpath/moc"; \
282	fi; \
283	echo "KC_QT_CFLAGS=$$cflags" > $@; \
284	echo "KC_QT_LIBS=$$libs" >> $@; \
285	echo "KC_QT_MOC=$$moc" >> $@
286endif
287
288$(obj)/gconf.o: $(obj)/.tmp_gtkcheck
289
290ifeq ($(gconf-target),1)
291-include $(obj)/.tmp_gtkcheck
292
293# GTK needs some extra effort, too...
294$(obj)/.tmp_gtkcheck:
295	@if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then		\
296		if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then			\
297			touch $@;								\
298		else									\
299			echo "*"; 							\
300			echo "* GTK+ is present but version >= 2.0.0 is required.";	\
301			echo "*";							\
302			false;								\
303		fi									\
304	else										\
305		echo "*"; 								\
306		echo "* Unable to find the GTK+ installation. Please make sure that"; 	\
307		echo "* the GTK+ 2.0 development package is correctly installed..."; 	\
308		echo "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; 		\
309		echo "*"; 								\
310		false;									\
311	fi
312endif
313
314$(obj)/zconf.tab.o: $(obj)/lex.zconf.c $(obj)/zconf.hash.c
315
316$(obj)/kconfig_load.o: $(obj)/lkc_defs.h
317
318$(obj)/qconf.o: $(obj)/qconf.moc $(obj)/lkc_defs.h
319
320$(obj)/gconf.o: $(obj)/lkc_defs.h
321
322$(obj)/%.moc: $(src)/%.h
323	$(KC_QT_MOC) -i $< -o $@
324
325$(obj)/lkc_defs.h: $(src)/lkc_proto.h
326	sed < $< > $@ 's/P(\([^,]*\),.*/#define \1 (\*\1_p)/'
327
328# Extract gconf menu items for I18N support
329$(obj)/gconf.glade.h: $(obj)/gconf.glade
330	intltool-extract --type=gettext/glade $(obj)/gconf.glade
331
332###
333# The following requires flex/bison/gperf
334# By default we use the _shipped versions, uncomment the following line if
335# you are modifying the flex/bison src.
336# LKC_GENPARSER := 1
337
338ifdef LKC_GENPARSER
339
340$(obj)/zconf.tab.c: $(src)/zconf.y
341$(obj)/lex.zconf.c: $(src)/zconf.l
342$(obj)/zconf.hash.c: $(src)/zconf.gperf
343
344%.tab.c: %.y
345	bison -l -b $* -p $(notdir $*) $<
346	cp $@ $@_shipped
347
348lex.%.c: %.l
349	flex -L -P$(notdir $*) -o$@ $<
350	cp $@ $@_shipped
351
352%.hash.c: %.gperf
353	gperf < $< > $@
354	cp $@ $@_shipped
355
356endif
357