xref: /linux/scripts/kconfig/Makefile (revision 818b930bc15077fc00ff16bb22c5df1857f05afa) 
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
36localyesconfig localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
37	$(Q)mkdir -p include/generated
38	$(Q)perl $< --$@ $(srctree) $(Kconfig) > .tmp.config
39	$(Q)if [ -f .config ]; then 					\
40			cmp -s .tmp.config .config ||			\
41			(mv -f .config .config.old.1;			\
42			 mv -f .tmp.config .config;			\
43			 $(obj)/conf --silentoldconfig $(Kconfig);	\
44			 mv -f .config.old.1 .config.old)		\
45	else								\
46			mv -f .tmp.config .config;			\
47			$(obj)/conf --silentoldconfig $(Kconfig);	\
48	fi
49	$(Q)rm -f .tmp.config
50
51# Create new linux.pot file
52# Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
53update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
54	$(Q)echo "  GEN     config.pot"
55	$(Q)xgettext --default-domain=linux                         \
56	    --add-comments --keyword=_ --keyword=N_                 \
57	    --from-code=UTF-8                                       \
58	    --files-from=$(srctree)/scripts/kconfig/POTFILES.in     \
59	    --directory=$(srctree) --directory=$(objtree)           \
60	    --output $(obj)/config.pot
61	$(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
62	$(Q)(for i in `ls $(srctree)/arch/*/Kconfig      \
63	    $(srctree)/arch/*/um/Kconfig`;               \
64	    do                                           \
65		echo "  GEN     $$i";                    \
66		$(obj)/kxgettext $$i                     \
67		     >> $(obj)/config.pot;               \
68	    done )
69	$(Q)echo "  GEN     linux.pot"
70	$(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
71	    --output $(obj)/linux.pot
72	$(Q)rm -f $(obj)/config.pot
73
74PHONY += allnoconfig allyesconfig allmodconfig alldefconfig randconfig
75
76allnoconfig allyesconfig allmodconfig alldefconfig randconfig: $(obj)/conf
77	$< --$@ $(Kconfig)
78
79PHONY += listnewconfig olddefconfig oldnoconfig savedefconfig defconfig
80
81listnewconfig olddefconfig: $(obj)/conf
82	$< --$@ $(Kconfig)
83
84# oldnoconfig is an alias of olddefconfig, because people already are dependent
85# on its behavior(sets new symbols to their default value but not 'n') with the
86# counter-intuitive name.
87oldnoconfig: $(obj)/conf
88	$< --olddefconfig $(Kconfig)
89
90savedefconfig: $(obj)/conf
91	$< --$@=defconfig $(Kconfig)
92
93defconfig: $(obj)/conf
94ifeq ($(KBUILD_DEFCONFIG),)
95	$< --defconfig $(Kconfig)
96else
97	@echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
98	$(Q)$< --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
99endif
100
101%_defconfig: $(obj)/conf
102	$(Q)$< --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
103
104# Help text used by make help
105help:
106	@echo  '  config	  - Update current config utilising a line-oriented program'
107	@echo  '  nconfig         - Update current config utilising a ncurses menu based program'
108	@echo  '  menuconfig	  - Update current config utilising a menu based program'
109	@echo  '  xconfig	  - Update current config utilising a QT based front-end'
110	@echo  '  gconfig	  - Update current config utilising a GTK based front-end'
111	@echo  '  oldconfig	  - Update current config utilising a provided .config as base'
112	@echo  '  localmodconfig  - Update current config disabling modules not loaded'
113	@echo  '  localyesconfig  - Update current config converting local mods to core'
114	@echo  '  silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
115	@echo  '  defconfig	  - New config with default from ARCH supplied defconfig'
116	@echo  '  savedefconfig   - Save current config as ./defconfig (minimal config)'
117	@echo  '  allnoconfig	  - New config where all options are answered with no'
118	@echo  '  allyesconfig	  - New config where all options are accepted with yes'
119	@echo  '  allmodconfig	  - New config selecting modules when possible'
120	@echo  '  alldefconfig    - New config with all symbols set to default'
121	@echo  '  randconfig	  - New config with random answer to all options'
122	@echo  '  listnewconfig   - List new options'
123	@echo  '  olddefconfig	  - Same as silentoldconfig but sets new symbols to their default value'
124
125# lxdialog stuff
126check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
127
128# Use recursively expanded variables so we do not call gcc unless
129# we really need to do so. (Do not call gcc as part of make mrproper)
130HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
131                    -DLOCALE
132
133# ===========================================================================
134# Shared Makefile for the various kconfig executables:
135# conf:	  Used for defconfig, oldconfig and related targets
136# nconf:  Used for the nconfig target.
137#         Utilizes ncurses
138# mconf:  Used for the menuconfig target
139#         Utilizes the lxdialog package
140# qconf:  Used for the xconfig target
141#         Based on QT which needs to be installed to compile it
142# gconf:  Used for the gconfig target
143#         Based on GTK which needs to be installed to compile it
144# object files used by all kconfig flavours
145
146lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
147lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
148
149conf-objs	:= conf.o  zconf.tab.o
150mconf-objs     := mconf.o zconf.tab.o $(lxdialog)
151nconf-objs     := nconf.o zconf.tab.o nconf.gui.o
152kxgettext-objs	:= kxgettext.o zconf.tab.o
153qconf-cxxobjs	:= qconf.o
154qconf-objs	:= zconf.tab.o
155gconf-objs	:= gconf.o zconf.tab.o
156
157hostprogs-y := conf
158
159ifeq ($(MAKECMDGOALS),nconfig)
160	hostprogs-y += nconf
161endif
162
163ifeq ($(MAKECMDGOALS),menuconfig)
164	hostprogs-y += mconf
165endif
166
167ifeq ($(MAKECMDGOALS),update-po-config)
168	hostprogs-y += kxgettext
169endif
170
171ifeq ($(MAKECMDGOALS),xconfig)
172	qconf-target := 1
173endif
174ifeq ($(MAKECMDGOALS),gconfig)
175	gconf-target := 1
176endif
177
178
179ifeq ($(qconf-target),1)
180	hostprogs-y += qconf
181endif
182
183ifeq ($(gconf-target),1)
184	hostprogs-y += gconf
185endif
186
187clean-files	:= qconf.moc .tmp_qtcheck .tmp_gtkcheck
188clean-files	+= zconf.tab.c zconf.lex.c zconf.hash.c gconf.glade.h
189clean-files     += mconf qconf gconf nconf
190clean-files     += config.pot linux.pot
191
192# Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
193PHONY += $(obj)/dochecklxdialog
194$(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
195$(obj)/dochecklxdialog:
196	$(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
197
198always := dochecklxdialog
199
200# Add environment specific flags
201HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
202
203# generated files seem to need this to find local include files
204HOSTCFLAGS_zconf.lex.o	:= -I$(src)
205HOSTCFLAGS_zconf.tab.o	:= -I$(src)
206
207LEX_PREFIX_zconf	:= zconf
208YACC_PREFIX_zconf	:= zconf
209
210HOSTLOADLIBES_qconf	= $(KC_QT_LIBS)
211HOSTCXXFLAGS_qconf.o	= $(KC_QT_CFLAGS)
212
213HOSTLOADLIBES_gconf	= `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
214HOSTCFLAGS_gconf.o	= `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
215                          -Wno-missing-prototypes
216
217HOSTLOADLIBES_mconf   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
218
219HOSTLOADLIBES_nconf	= -lmenu -lpanel -lncurses
220$(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	if ! pkg-config --exists QtCore 2> /dev/null; then \
230	    echo "* Unable to find the QT4 tool qmake. Trying to use QT3"; \
231	    pkg-config --exists qt 2> /dev/null && pkg=qt; \
232	    pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
233	    if [ -n "$$pkg" ]; then \
234	      cflags="\$$(shell pkg-config $$pkg --cflags)"; \
235	      libs="\$$(shell pkg-config $$pkg --libs)"; \
236	      moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
237	      dir="$$(pkg-config $$pkg --variable=prefix)"; \
238	    else \
239	      for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
240	        if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
241	      done; \
242	      if [ -z "$$dir" ]; then \
243	        echo >&2 "*"; \
244	        echo >&2 "* Unable to find any QT installation. Please make sure that"; \
245	        echo >&2 "* the QT4 or QT3 development package is correctly installed and"; \
246	        echo >&2 "* either qmake can be found or install pkg-config or set"; \
247	        echo >&2 "* the QTDIR environment variable to the correct location."; \
248	        echo >&2 "*"; \
249	        false; \
250	      fi; \
251	      libpath=$$dir/lib; lib=qt; osdir=""; \
252	      $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
253	        osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
254	      test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
255	      test -f $$libpath/libqt-mt.so && lib=qt-mt; \
256	      cflags="-I$$dir/include"; \
257	      libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
258	      moc="$$dir/bin/moc"; \
259	    fi; \
260	    if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
261	      echo "*"; \
262	      echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
263	      echo "*"; \
264	      moc="/usr/bin/moc"; \
265	    fi; \
266	else \
267	  cflags="\$$(shell pkg-config QtCore QtGui Qt3Support --cflags)"; \
268	  libs="\$$(shell pkg-config QtCore QtGui Qt3Support --libs)"; \
269	  moc="\$$(shell pkg-config QtCore --variable=moc_location)"; \
270	  [ -n "$$moc" ] || moc="\$$(shell pkg-config QtCore --variable=prefix)/bin/moc"; \
271	fi; \
272	echo "KC_QT_CFLAGS=$$cflags" > $@; \
273	echo "KC_QT_LIBS=$$libs" >> $@; \
274	echo "KC_QT_MOC=$$moc" >> $@
275endif
276
277$(obj)/gconf.o: $(obj)/.tmp_gtkcheck
278
279ifeq ($(gconf-target),1)
280-include $(obj)/.tmp_gtkcheck
281
282# GTK needs some extra effort, too...
283$(obj)/.tmp_gtkcheck:
284	@if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then		\
285		if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then			\
286			touch $@;								\
287		else									\
288			echo >&2 "*"; 							\
289			echo >&2 "* GTK+ is present but version >= 2.0.0 is required.";	\
290			echo >&2 "*";							\
291			false;								\
292		fi									\
293	else										\
294		echo >&2 "*"; 								\
295		echo >&2 "* Unable to find the GTK+ installation. Please make sure that"; 	\
296		echo >&2 "* the GTK+ 2.0 development package is correctly installed..."; 	\
297		echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; 		\
298		echo >&2 "*"; 								\
299		false;									\
300	fi
301endif
302
303$(obj)/zconf.tab.o: $(obj)/zconf.lex.c $(obj)/zconf.hash.c
304
305$(obj)/qconf.o: $(obj)/qconf.moc
306
307quiet_cmd_moc = MOC     $@
308      cmd_moc = $(KC_QT_MOC) -i $< -o $@
309
310$(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck
311	$(call cmd,moc)
312
313# Extract gconf menu items for I18N support
314$(obj)/gconf.glade.h: $(obj)/gconf.glade
315	$(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \
316	$(obj)/gconf.glade
317
318