kconfig: add savedefconfig
[cascardo/linux.git] / scripts / kconfig / Makefile
1 # ===========================================================================
2 # Kernel configuration targets
3 # These targets are used from top-level makefile
4
5 PHONY += oldconfig xconfig gconfig menuconfig config silentoldconfig update-po-config \
6         localmodconfig localyesconfig
7
8 ifdef KBUILD_KCONFIG
9 Kconfig := $(KBUILD_KCONFIG)
10 else
11 Kconfig := arch/$(SRCARCH)/Kconfig
12 endif
13
14 xconfig: $(obj)/qconf
15         $< $(Kconfig)
16
17 gconfig: $(obj)/gconf
18         $< $(Kconfig)
19
20 menuconfig: $(obj)/mconf
21         $< $(Kconfig)
22
23 config: $(obj)/conf
24         $< --oldaskconfig $(Kconfig)
25
26 nconfig: $(obj)/nconf
27         $< $(Kconfig)
28
29 oldconfig: $(obj)/conf
30         $< --$@ $(Kconfig)
31
32 silentoldconfig: $(obj)/conf
33         $(Q)mkdir -p include/generated
34         $< --$@ $(Kconfig)
35
36 localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
37         $(Q)perl $< $(srctree) $(Kconfig) > .tmp.config
38         $(Q)if [ -f .config ]; then                                     \
39                         cmp -s .tmp.config .config ||                   \
40                         (mv -f .config .config.old.1;                   \
41                          mv -f .tmp.config .config;                     \
42                          $(obj)/conf --silentoldconfig $(Kconfig);      \
43                          mv -f .config.old.1 .config.old)               \
44         else                                                            \
45                         mv -f .tmp.config .config;                      \
46                         $(obj)/conf --silentoldconfig $(Kconfig);       \
47         fi
48         $(Q)rm -f .tmp.config
49
50 localyesconfig: $(obj)/streamline_config.pl $(obj)/conf
51         $(Q)perl $< $(srctree) $(Kconfig) > .tmp.config
52         $(Q)sed -i s/=m/=y/ .tmp.config
53         $(Q)if [ -f .config ]; then                                     \
54                         cmp -s .tmp.config .config ||                   \
55                         (mv -f .config .config.old.1;                   \
56                          mv -f .tmp.config .config;                     \
57                          $(obj)/conf --silentoldconfig $(Kconfig);      \
58                          mv -f .config.old.1 .config.old)               \
59         else                                                            \
60                         mv -f .tmp.config .config;                      \
61                         $(obj)/conf --silentoldconfig $(Kconfig);       \
62         fi
63         $(Q)rm -f .tmp.config
64
65 # Create new linux.pot file
66 # Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
67 # The symlink is used to repair a deficiency in arch/um
68 update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
69         $(Q)echo "  GEN config"
70         $(Q)xgettext --default-domain=linux              \
71             --add-comments --keyword=_ --keyword=N_      \
72             --from-code=UTF-8                            \
73             --files-from=scripts/kconfig/POTFILES.in     \
74             --output $(obj)/config.pot
75         $(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
76         $(Q)ln -fs Kconfig.i386 arch/um/Kconfig.arch
77         $(Q)(for i in `ls arch/*/Kconfig`;               \
78             do                                           \
79                 echo "  GEN $$i";                        \
80                 $(obj)/kxgettext $$i                     \
81                      >> $(obj)/config.pot;               \
82             done )
83         $(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
84             --output $(obj)/linux.pot
85         $(Q)rm -f arch/um/Kconfig.arch
86         $(Q)rm -f $(obj)/config.pot
87
88 PHONY += allnoconfig allyesconfig allmodconfig alldefconfig randconfig
89
90 allnoconfig allyesconfig allmodconfig alldefconfig randconfig: $(obj)/conf
91         $< --$@ $(Kconfig)
92
93 PHONY += listnewconfig oldnoconfig savedefconfig defconfig
94
95 listnewconfig oldnoconfig: $(obj)/conf
96         $< --$@ $(Kconfig)
97
98 savedefconfig: $(obj)/conf
99         $< --$@=defconfig $(Kconfig)
100
101 defconfig: $(obj)/conf
102 ifeq ($(KBUILD_DEFCONFIG),)
103         $< --defconfig $(Kconfig)
104 else
105         @echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
106         $(Q)$< --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
107 endif
108
109 %_defconfig: $(obj)/conf
110         $(Q)$< --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
111
112 # Help text used by make help
113 help:
114         @echo  '  config          - Update current config utilising a line-oriented program'
115         @echo  '  nconfig         - Update current config utilising a ncurses menu based program'
116         @echo  '  menuconfig      - Update current config utilising a menu based program'
117         @echo  '  xconfig         - Update current config utilising a QT based front-end'
118         @echo  '  gconfig         - Update current config utilising a GTK based front-end'
119         @echo  '  oldconfig       - Update current config utilising a provided .config as base'
120         @echo  '  localmodconfig  - Update current config disabling modules not loaded'
121         @echo  '  localyesconfig  - Update current config converting local mods to core'
122         @echo  '  silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
123         @echo  '  defconfig       - New config with default from ARCH supplied defconfig'
124         @echo  '  savedefconfig   - Save current config as ./defconfig (minimal config)'
125         @echo  '  allnoconfig     - New config where all options are answered with no'
126         @echo  '  allyesconfig    - New config where all options are accepted with yes'
127         @echo  '  allmodconfig    - New config selecting modules when possible'
128         @echo  '  alldefconfig    - New config with all symbols set to default'
129         @echo  '  randconfig      - New config with random answer to all options'
130         @echo  '  listnewconfig   - List new options'
131         @echo  '  oldnoconfig     - Same as silentoldconfig but set new symbols to n (unset)'
132
133 # lxdialog stuff
134 check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
135
136 # Use recursively expanded variables so we do not call gcc unless
137 # we really need to do so. (Do not call gcc as part of make mrproper)
138 HOST_EXTRACFLAGS = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags)
139 HOST_LOADLIBES   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
140
141 HOST_EXTRACFLAGS += -DLOCALE
142
143
144 # ===========================================================================
145 # Shared Makefile for the various kconfig executables:
146 # conf:   Used for defconfig, oldconfig and related targets
147 # nconf:  Used for the nconfig target.
148 #         Utilizes ncurses
149 # mconf:  Used for the menuconfig target
150 #         Utilizes the lxdialog package
151 # qconf:  Used for the xconfig target
152 #         Based on QT which needs to be installed to compile it
153 # gconf:  Used for the gconfig target
154 #         Based on GTK which needs to be installed to compile it
155 # object files used by all kconfig flavours
156
157 lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
158 lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
159
160 conf-objs       := conf.o  zconf.tab.o
161 mconf-objs     := mconf.o zconf.tab.o $(lxdialog)
162 nconf-objs     := nconf.o zconf.tab.o nconf.gui.o
163 kxgettext-objs  := kxgettext.o zconf.tab.o
164
165 hostprogs-y := conf qconf gconf kxgettext
166
167 ifeq ($(MAKECMDGOALS),nconfig)
168         hostprogs-y += nconf
169 endif
170
171 ifeq ($(MAKECMDGOALS),menuconfig)
172         hostprogs-y += mconf
173 endif
174
175 ifeq ($(MAKECMDGOALS),xconfig)
176         qconf-target := 1
177 endif
178 ifeq ($(MAKECMDGOALS),gconfig)
179         gconf-target := 1
180 endif
181
182
183 ifeq ($(qconf-target),1)
184 qconf-cxxobjs   := qconf.o
185 qconf-objs      := kconfig_load.o zconf.tab.o
186 endif
187
188 ifeq ($(gconf-target),1)
189 gconf-objs      := gconf.o kconfig_load.o zconf.tab.o
190 endif
191
192 clean-files     := lkc_defs.h qconf.moc .tmp_qtcheck \
193                    .tmp_gtkcheck zconf.tab.c lex.zconf.c zconf.hash.c gconf.glade.h
194 clean-files     += mconf qconf gconf nconf
195 clean-files     += config.pot linux.pot
196
197 # Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
198 PHONY += $(obj)/dochecklxdialog
199 $(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
200 $(obj)/dochecklxdialog:
201         $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOST_LOADLIBES)
202
203 always := dochecklxdialog
204
205 # Add environment specific flags
206 HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
207
208 # generated files seem to need this to find local include files
209 HOSTCFLAGS_lex.zconf.o  := -I$(src)
210 HOSTCFLAGS_zconf.tab.o  := -I$(src)
211
212 HOSTLOADLIBES_qconf     = $(KC_QT_LIBS) -ldl
213 HOSTCXXFLAGS_qconf.o    = $(KC_QT_CFLAGS) -D LKC_DIRECT_LINK
214
215 HOSTLOADLIBES_gconf     = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
216 HOSTCFLAGS_gconf.o      = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
217                           -D LKC_DIRECT_LINK
218
219 HOSTLOADLIBES_nconf     = -lmenu -lpanel -lncurses
220 $(obj)/qconf.o: $(obj)/.tmp_qtcheck
221
222 ifeq ($(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         pkg-config --exists qt 2> /dev/null && pkg=qt; \
230         pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
231         if [ -n "$$pkg" ]; then \
232           cflags="\$$(shell pkg-config $$pkg --cflags)"; \
233           libs="\$$(shell pkg-config $$pkg --libs)"; \
234           moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
235           dir="$$(pkg-config $$pkg --variable=prefix)"; \
236         else \
237           for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
238             if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
239           done; \
240           if [ -z "$$dir" ]; then \
241             echo "*"; \
242             echo "* Unable to find the QT3 installation. Please make sure that"; \
243             echo "* the QT3 development package is correctly installed and"; \
244             echo "* either install pkg-config or set the QTDIR environment"; \
245             echo "* variable to the correct location."; \
246             echo "*"; \
247             false; \
248           fi; \
249           libpath=$$dir/lib; lib=qt; osdir=""; \
250           $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
251             osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
252           test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
253           test -f $$libpath/libqt-mt.so && lib=qt-mt; \
254           cflags="-I$$dir/include"; \
255           libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
256           moc="$$dir/bin/moc"; \
257         fi; \
258         if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
259           echo "*"; \
260           echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
261           echo "*"; \
262           moc="/usr/bin/moc"; \
263         fi; \
264         echo "KC_QT_CFLAGS=$$cflags" > $@; \
265         echo "KC_QT_LIBS=$$libs" >> $@; \
266         echo "KC_QT_MOC=$$moc" >> $@
267 endif
268
269 $(obj)/gconf.o: $(obj)/.tmp_gtkcheck
270
271 ifeq ($(gconf-target),1)
272 -include $(obj)/.tmp_gtkcheck
273
274 # GTK needs some extra effort, too...
275 $(obj)/.tmp_gtkcheck:
276         @if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then               \
277                 if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then                  \
278                         touch $@;                                                               \
279                 else                                                                    \
280                         echo "*";                                                       \
281                         echo "* GTK+ is present but version >= 2.0.0 is required.";     \
282                         echo "*";                                                       \
283                         false;                                                          \
284                 fi                                                                      \
285         else                                                                            \
286                 echo "*";                                                               \
287                 echo "* Unable to find the GTK+ installation. Please make sure that";   \
288                 echo "* the GTK+ 2.0 development package is correctly installed...";    \
289                 echo "* You need gtk+-2.0, glib-2.0 and libglade-2.0.";                 \
290                 echo "*";                                                               \
291                 false;                                                                  \
292         fi
293 endif
294
295 $(obj)/zconf.tab.o: $(obj)/lex.zconf.c $(obj)/zconf.hash.c
296
297 $(obj)/kconfig_load.o: $(obj)/lkc_defs.h
298
299 $(obj)/qconf.o: $(obj)/qconf.moc $(obj)/lkc_defs.h
300
301 $(obj)/gconf.o: $(obj)/lkc_defs.h
302
303 $(obj)/%.moc: $(src)/%.h
304         $(KC_QT_MOC) -i $< -o $@
305
306 $(obj)/lkc_defs.h: $(src)/lkc_proto.h
307         sed < $< > $@ 's/P(\([^,]*\),.*/#define \1 (\*\1_p)/'
308
309 # Extract gconf menu items for I18N support
310 $(obj)/gconf.glade.h: $(obj)/gconf.glade
311         intltool-extract --type=gettext/glade $(obj)/gconf.glade
312
313 ###
314 # The following requires flex/bison/gperf
315 # By default we use the _shipped versions, uncomment the following line if
316 # you are modifying the flex/bison src.
317 # LKC_GENPARSER := 1
318
319 ifdef LKC_GENPARSER
320
321 $(obj)/zconf.tab.c: $(src)/zconf.y
322 $(obj)/lex.zconf.c: $(src)/zconf.l
323 $(obj)/zconf.hash.c: $(src)/zconf.gperf
324
325 %.tab.c: %.y
326         bison -l -b $* -p $(notdir $*) $<
327         cp $@ $@_shipped
328
329 lex.%.c: %.l
330         flex -L -P$(notdir $*) -o$@ $<
331         cp $@ $@_shipped
332
333 %.hash.c: %.gperf
334         gperf < $< > $@
335         cp $@ $@_shipped
336
337 endif