xref: /linux/scripts/kconfig/Makefile (revision 50bce3e80773e06316fcb92796ff26b42348d30b) 
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
53# The symlink is used to repair a deficiency in arch/um
54update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
55	$(Q)echo "  GEN config"
56	$(Q)xgettext --default-domain=linux                         \
57	    --add-comments --keyword=_ --keyword=N_                 \
58	    --from-code=UTF-8                                       \
59	    --files-from=$(srctree)/scripts/kconfig/POTFILES.in     \
60	    --directory=$(srctree) --directory=$(objtree)           \
61	    --output $(obj)/config.pot
62	$(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
63	$(Q)ln -fs Kconfig.x86 arch/um/Kconfig
64	$(Q)(for i in `ls $(srctree)/arch/*/Kconfig`;    \
65	    do                                           \
66		echo "  GEN $$i";                        \
67		$(obj)/kxgettext $$i                     \
68		     >> $(obj)/config.pot;               \
69	    done )
70	$(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
71	    --output $(obj)/linux.pot
72	$(Q)rm -f $(srctree)/arch/um/Kconfig
73	$(Q)rm -f $(obj)/config.pot
74
75PHONY += allnoconfig allyesconfig allmodconfig alldefconfig randconfig
76
77allnoconfig allyesconfig allmodconfig alldefconfig randconfig: $(obj)/conf
78	$< --$@ $(Kconfig)
79
80PHONY += listnewconfig oldnoconfig savedefconfig defconfig
81
82listnewconfig oldnoconfig: $(obj)/conf
83	$< --$@ $(Kconfig)
84
85savedefconfig: $(obj)/conf
86	$< --$@=defconfig $(Kconfig)
87
88defconfig: $(obj)/conf
89ifeq ($(KBUILD_DEFCONFIG),)
90	$< --defconfig $(Kconfig)
91else
92	@echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
93	$(Q)$< --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
94endif
95
96%_defconfig: $(obj)/conf
97	$(Q)$< --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
98
99# Help text used by make help
100help:
101	@echo  '  config	  - Update current config utilising a line-oriented program'
102	@echo  '  nconfig         - Update current config utilising a ncurses menu based program'
103	@echo  '  menuconfig	  - Update current config utilising a menu based program'
104	@echo  '  xconfig	  - Update current config utilising a QT based front-end'
105	@echo  '  gconfig	  - Update current config utilising a GTK based front-end'
106	@echo  '  oldconfig	  - Update current config utilising a provided .config as base'
107	@echo  '  localmodconfig  - Update current config disabling modules not loaded'
108	@echo  '  localyesconfig  - Update current config converting local mods to core'
109	@echo  '  silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
110	@echo  '  defconfig	  - New config with default from ARCH supplied defconfig'
111	@echo  '  savedefconfig   - Save current config as ./defconfig (minimal config)'
112	@echo  '  allnoconfig	  - New config where all options are answered with no'
113	@echo  '  allyesconfig	  - New config where all options are accepted with yes'
114	@echo  '  allmodconfig	  - New config selecting modules when possible'
115	@echo  '  alldefconfig    - New config with all symbols set to default'
116	@echo  '  randconfig	  - New config with random answer to all options'
117	@echo  '  listnewconfig   - List new options'
118	@echo  '  oldnoconfig     - Same as silentoldconfig but set new symbols to n (unset)'
119
120# lxdialog stuff
121check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
122
123# Use recursively expanded variables so we do not call gcc unless
124# we really need to do so. (Do not call gcc as part of make mrproper)
125HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
126                    -DLOCALE
127
128# ===========================================================================
129# Shared Makefile for the various kconfig executables:
130# conf:	  Used for defconfig, oldconfig and related targets
131# nconf:  Used for the nconfig target.
132#         Utilizes ncurses
133# mconf:  Used for the menuconfig target
134#         Utilizes the lxdialog package
135# qconf:  Used for the xconfig target
136#         Based on QT which needs to be installed to compile it
137# gconf:  Used for the gconfig target
138#         Based on GTK which needs to be installed to compile it
139# object files used by all kconfig flavours
140
141lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
142lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
143
144conf-objs	:= conf.o  zconf.tab.o
145mconf-objs     := mconf.o zconf.tab.o $(lxdialog)
146nconf-objs     := nconf.o zconf.tab.o nconf.gui.o
147kxgettext-objs	:= kxgettext.o zconf.tab.o
148qconf-cxxobjs	:= qconf.o
149qconf-objs	:= zconf.tab.o
150gconf-objs	:= gconf.o zconf.tab.o
151
152hostprogs-y := conf
153
154ifeq ($(MAKECMDGOALS),nconfig)
155	hostprogs-y += nconf
156endif
157
158ifeq ($(MAKECMDGOALS),menuconfig)
159	hostprogs-y += mconf
160endif
161
162ifeq ($(MAKECMDGOALS),update-po-config)
163	hostprogs-y += kxgettext
164endif
165
166ifeq ($(MAKECMDGOALS),xconfig)
167	qconf-target := 1
168endif
169ifeq ($(MAKECMDGOALS),gconfig)
170	gconf-target := 1
171endif
172
173
174ifeq ($(qconf-target),1)
175	hostprogs-y += qconf
176endif
177
178ifeq ($(gconf-target),1)
179	hostprogs-y += gconf
180endif
181
182clean-files	:= qconf.moc .tmp_qtcheck .tmp_gtkcheck
183clean-files	+= zconf.tab.c zconf.lex.c zconf.hash.c gconf.glade.h
184clean-files     += mconf qconf gconf nconf
185clean-files     += config.pot linux.pot
186
187# Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
188PHONY += $(obj)/dochecklxdialog
189$(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
190$(obj)/dochecklxdialog:
191	$(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
192
193always := dochecklxdialog
194
195# Add environment specific flags
196HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
197
198# generated files seem to need this to find local include files
199HOSTCFLAGS_zconf.lex.o	:= -I$(src)
200HOSTCFLAGS_zconf.tab.o	:= -I$(src)
201
202LEX_PREFIX_zconf	:= zconf
203YACC_PREFIX_zconf	:= zconf
204
205HOSTLOADLIBES_qconf	= $(KC_QT_LIBS)
206HOSTCXXFLAGS_qconf.o	= $(KC_QT_CFLAGS)
207
208HOSTLOADLIBES_gconf	= `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
209HOSTCFLAGS_gconf.o	= `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
210                          -Wno-missing-prototypes
211
212HOSTLOADLIBES_mconf   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
213
214HOSTLOADLIBES_nconf	= -lmenu -lpanel -lncurses
215$(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	if ! pkg-config --exists QtCore 2> /dev/null; then \
225	    echo "* Unable to find the QT4 tool qmake. Trying to use QT3"; \
226	    pkg-config --exists qt 2> /dev/null && pkg=qt; \
227	    pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
228	    if [ -n "$$pkg" ]; then \
229	      cflags="\$$(shell pkg-config $$pkg --cflags)"; \
230	      libs="\$$(shell pkg-config $$pkg --libs)"; \
231	      moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
232	      dir="$$(pkg-config $$pkg --variable=prefix)"; \
233	    else \
234	      for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
235	        if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
236	      done; \
237	      if [ -z "$$dir" ]; then \
238	        echo "*"; \
239	        echo "* Unable to find any QT installation. Please make sure that"; \
240	        echo "* the QT4 or QT3 development package is correctly installed and"; \
241	        echo "* either qmake can be found or install pkg-config or set"; \
242	        echo "* the QTDIR environment variable to the correct location."; \
243	        echo "*"; \
244	        false; \
245	      fi; \
246	      libpath=$$dir/lib; lib=qt; osdir=""; \
247	      $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
248	        osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
249	      test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
250	      test -f $$libpath/libqt-mt.so && lib=qt-mt; \
251	      cflags="-I$$dir/include"; \
252	      libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
253	      moc="$$dir/bin/moc"; \
254	    fi; \
255	    if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
256	      echo "*"; \
257	      echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
258	      echo "*"; \
259	      moc="/usr/bin/moc"; \
260	    fi; \
261	else \
262	  cflags="\$$(shell pkg-config QtCore QtGui Qt3Support --cflags)"; \
263	  libs="\$$(shell pkg-config QtCore QtGui Qt3Support --libs)"; \
264	  binpath="\$$(shell pkg-config QtCore --variable=prefix)"; \
265	  moc="$$binpath/bin/moc"; \
266	fi; \
267	echo "KC_QT_CFLAGS=$$cflags" > $@; \
268	echo "KC_QT_LIBS=$$libs" >> $@; \
269	echo "KC_QT_MOC=$$moc" >> $@
270endif
271
272$(obj)/gconf.o: $(obj)/.tmp_gtkcheck
273
274ifeq ($(gconf-target),1)
275-include $(obj)/.tmp_gtkcheck
276
277# GTK needs some extra effort, too...
278$(obj)/.tmp_gtkcheck:
279	@if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then		\
280		if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then			\
281			touch $@;								\
282		else									\
283			echo "*"; 							\
284			echo "* GTK+ is present but version >= 2.0.0 is required.";	\
285			echo "*";							\
286			false;								\
287		fi									\
288	else										\
289		echo "*"; 								\
290		echo "* Unable to find the GTK+ installation. Please make sure that"; 	\
291		echo "* the GTK+ 2.0 development package is correctly installed..."; 	\
292		echo "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; 		\
293		echo "*"; 								\
294		false;									\
295	fi
296endif
297
298$(obj)/zconf.tab.o: $(obj)/zconf.lex.c $(obj)/zconf.hash.c
299
300$(obj)/qconf.o: $(obj)/qconf.moc
301
302$(obj)/%.moc: $(src)/%.h
303	$(KC_QT_MOC) -i $< -o $@
304
305# Extract gconf menu items for I18N support
306$(obj)/gconf.glade.h: $(obj)/gconf.glade
307	$(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \
308	$(obj)/gconf.glade
309
310