xref: /linux/scripts/kconfig/Makefile (revision 48485949b4d44a24c81caf9ab4dc32005f3aa67e) 
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 oldnoconfig savedefconfig defconfig
80
81listnewconfig oldnoconfig: $(obj)/conf
82	$< --$@ $(Kconfig)
83
84savedefconfig: $(obj)/conf
85	$< --$@=defconfig $(Kconfig)
86
87defconfig: $(obj)/conf
88ifeq ($(KBUILD_DEFCONFIG),)
89	$< --defconfig $(Kconfig)
90else
91	@echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
92	$(Q)$< --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
93endif
94
95%_defconfig: $(obj)/conf
96	$(Q)$< --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
97
98# Help text used by make help
99help:
100	@echo  '  config	  - Update current config utilising a line-oriented program'
101	@echo  '  nconfig         - Update current config utilising a ncurses menu based program'
102	@echo  '  menuconfig	  - Update current config utilising a menu based program'
103	@echo  '  xconfig	  - Update current config utilising a QT based front-end'
104	@echo  '  gconfig	  - Update current config utilising a GTK based front-end'
105	@echo  '  oldconfig	  - Update current config utilising a provided .config as base'
106	@echo  '  localmodconfig  - Update current config disabling modules not loaded'
107	@echo  '  localyesconfig  - Update current config converting local mods to core'
108	@echo  '  silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
109	@echo  '  defconfig	  - New config with default from ARCH supplied defconfig'
110	@echo  '  savedefconfig   - Save current config as ./defconfig (minimal config)'
111	@echo  '  allnoconfig	  - New config where all options are answered with no'
112	@echo  '  allyesconfig	  - New config where all options are accepted with yes'
113	@echo  '  allmodconfig	  - New config selecting modules when possible'
114	@echo  '  alldefconfig    - New config with all symbols set to default'
115	@echo  '  randconfig	  - New config with random answer to all options'
116	@echo  '  listnewconfig   - List new options'
117	@echo  '  oldnoconfig     - Same as silentoldconfig but set new symbols to n (unset)'
118
119# lxdialog stuff
120check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
121
122# Use recursively expanded variables so we do not call gcc unless
123# we really need to do so. (Do not call gcc as part of make mrproper)
124HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
125                    -DLOCALE
126
127# ===========================================================================
128# Shared Makefile for the various kconfig executables:
129# conf:	  Used for defconfig, oldconfig and related targets
130# nconf:  Used for the nconfig target.
131#         Utilizes ncurses
132# mconf:  Used for the menuconfig target
133#         Utilizes the lxdialog package
134# qconf:  Used for the xconfig target
135#         Based on QT which needs to be installed to compile it
136# gconf:  Used for the gconfig target
137#         Based on GTK which needs to be installed to compile it
138# object files used by all kconfig flavours
139
140lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
141lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
142
143conf-objs	:= conf.o  zconf.tab.o
144mconf-objs     := mconf.o zconf.tab.o $(lxdialog)
145nconf-objs     := nconf.o zconf.tab.o nconf.gui.o
146kxgettext-objs	:= kxgettext.o zconf.tab.o
147qconf-cxxobjs	:= qconf.o
148qconf-objs	:= zconf.tab.o
149gconf-objs	:= gconf.o zconf.tab.o
150
151hostprogs-y := conf
152
153ifeq ($(MAKECMDGOALS),nconfig)
154	hostprogs-y += nconf
155endif
156
157ifeq ($(MAKECMDGOALS),menuconfig)
158	hostprogs-y += mconf
159endif
160
161ifeq ($(MAKECMDGOALS),update-po-config)
162	hostprogs-y += kxgettext
163endif
164
165ifeq ($(MAKECMDGOALS),xconfig)
166	qconf-target := 1
167endif
168ifeq ($(MAKECMDGOALS),gconfig)
169	gconf-target := 1
170endif
171
172
173ifeq ($(qconf-target),1)
174	hostprogs-y += qconf
175endif
176
177ifeq ($(gconf-target),1)
178	hostprogs-y += gconf
179endif
180
181clean-files	:= qconf.moc .tmp_qtcheck .tmp_gtkcheck
182clean-files	+= zconf.tab.c zconf.lex.c zconf.hash.c gconf.glade.h
183clean-files     += mconf qconf gconf nconf
184clean-files     += config.pot linux.pot
185
186# Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
187PHONY += $(obj)/dochecklxdialog
188$(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
189$(obj)/dochecklxdialog:
190	$(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
191
192always := dochecklxdialog
193
194# Add environment specific flags
195HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
196
197# generated files seem to need this to find local include files
198HOSTCFLAGS_zconf.lex.o	:= -I$(src)
199HOSTCFLAGS_zconf.tab.o	:= -I$(src)
200
201LEX_PREFIX_zconf	:= zconf
202YACC_PREFIX_zconf	:= zconf
203
204HOSTLOADLIBES_qconf	= $(KC_QT_LIBS)
205HOSTCXXFLAGS_qconf.o	= $(KC_QT_CFLAGS)
206
207HOSTLOADLIBES_gconf	= `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
208HOSTCFLAGS_gconf.o	= `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
209                          -Wno-missing-prototypes
210
211HOSTLOADLIBES_mconf   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
212
213HOSTLOADLIBES_nconf	= -lmenu -lpanel -lncurses
214$(obj)/qconf.o: $(obj)/.tmp_qtcheck
215
216ifeq ($(qconf-target),1)
217$(obj)/.tmp_qtcheck: $(src)/Makefile
218-include $(obj)/.tmp_qtcheck
219
220# QT needs some extra effort...
221$(obj)/.tmp_qtcheck:
222	@set -e; echo "  CHECK   qt"; dir=""; pkg=""; \
223	if ! pkg-config --exists QtCore 2> /dev/null; then \
224	    echo "* Unable to find the QT4 tool qmake. Trying to use QT3"; \
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 any QT installation. Please make sure that"; \
239	        echo "* the QT4 or QT3 development package is correctly installed and"; \
240	        echo "* either qmake can be found or install pkg-config or set"; \
241	        echo "* the QTDIR environment 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	else \
261	  cflags="\$$(shell pkg-config QtCore QtGui Qt3Support --cflags)"; \
262	  libs="\$$(shell pkg-config QtCore QtGui Qt3Support --libs)"; \
263	  moc="\$$(shell pkg-config QtCore --variable=moc_location)"; \
264	  [ -n "$$moc" ] || moc="\$$(shell pkg-config QtCore --variable=prefix)/bin/moc"; \
265	fi; \
266	echo "KC_QT_CFLAGS=$$cflags" > $@; \
267	echo "KC_QT_LIBS=$$libs" >> $@; \
268	echo "KC_QT_MOC=$$moc" >> $@
269endif
270
271$(obj)/gconf.o: $(obj)/.tmp_gtkcheck
272
273ifeq ($(gconf-target),1)
274-include $(obj)/.tmp_gtkcheck
275
276# GTK needs some extra effort, too...
277$(obj)/.tmp_gtkcheck:
278	@if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then		\
279		if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then			\
280			touch $@;								\
281		else									\
282			echo "*"; 							\
283			echo "* GTK+ is present but version >= 2.0.0 is required.";	\
284			echo "*";							\
285			false;								\
286		fi									\
287	else										\
288		echo "*"; 								\
289		echo "* Unable to find the GTK+ installation. Please make sure that"; 	\
290		echo "* the GTK+ 2.0 development package is correctly installed..."; 	\
291		echo "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; 		\
292		echo "*"; 								\
293		false;									\
294	fi
295endif
296
297$(obj)/zconf.tab.o: $(obj)/zconf.lex.c $(obj)/zconf.hash.c
298
299$(obj)/qconf.o: $(obj)/qconf.moc
300
301$(obj)/%.moc: $(src)/%.h
302	$(KC_QT_MOC) -i $< -o $@
303
304# Extract gconf menu items for I18N support
305$(obj)/gconf.glade.h: $(obj)/gconf.glade
306	$(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \
307	$(obj)/gconf.glade
308
309