Merge branch 'zero-len' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik...
[linux-2.6] / 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
7 Kconfig := arch/$(SRCARCH)/Kconfig
8
9 xconfig: $(obj)/qconf
10         $< $(Kconfig)
11
12 gconfig: $(obj)/gconf
13         $< $(Kconfig)
14
15 menuconfig: $(obj)/mconf
16         $< $(Kconfig)
17
18 config: $(obj)/conf
19         $< $(Kconfig)
20
21 oldconfig: $(obj)/conf
22         $< -o $(Kconfig)
23
24 silentoldconfig: $(obj)/conf
25         $< -s $(Kconfig)
26
27 # Create new linux.pot file
28 # Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
29 # The symlink is used to repair a deficiency in arch/um
30 update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
31         $(Q)echo "  GEN config"
32         $(Q)xgettext --default-domain=linux              \
33             --add-comments --keyword=_ --keyword=N_      \
34             --from-code=UTF-8                            \
35             --files-from=scripts/kconfig/POTFILES.in     \
36             --output $(obj)/config.pot
37         $(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
38         $(Q)ln -fs Kconfig.i386 arch/um/Kconfig.arch
39         $(Q)(for i in `ls arch/*/Kconfig`;               \
40             do                                           \
41                 echo "  GEN $$i";                        \
42                 $(obj)/kxgettext $$i                     \
43                      >> $(obj)/config.pot;               \
44             done )
45         $(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
46             --output $(obj)/linux.pot
47         $(Q)rm -f arch/um/Kconfig.arch
48         $(Q)rm -f $(obj)/config.pot
49
50 PHONY += randconfig allyesconfig allnoconfig allmodconfig defconfig
51
52 randconfig: $(obj)/conf
53         $< -r $(Kconfig)
54
55 allyesconfig: $(obj)/conf
56         $< -y $(Kconfig)
57
58 allnoconfig: $(obj)/conf
59         $< -n $(Kconfig)
60
61 allmodconfig: $(obj)/conf
62         $< -m $(Kconfig)
63
64 defconfig: $(obj)/conf
65 ifeq ($(KBUILD_DEFCONFIG),)
66         $< -d $(Kconfig)
67 else
68         @echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
69         $(Q)$< -D arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
70 endif
71
72 %_defconfig: $(obj)/conf
73         $(Q)$< -D arch/$(SRCARCH)/configs/$@ $(Kconfig)
74
75 # Help text used by make help
76 help:
77         @echo  '  config          - Update current config utilising a line-oriented program'
78         @echo  '  menuconfig      - Update current config utilising a menu based program'
79         @echo  '  xconfig         - Update current config utilising a QT based front-end'
80         @echo  '  gconfig         - Update current config utilising a GTK based front-end'
81         @echo  '  oldconfig       - Update current config utilising a provided .config as base'
82         @echo  '  silentoldconfig - Same as oldconfig, but quietly'
83         @echo  '  randconfig      - New config with random answer to all options'
84         @echo  '  defconfig       - New config with default answer to all options'
85         @echo  '  allmodconfig    - New config selecting modules when possible'
86         @echo  '  allyesconfig    - New config where all options are accepted with yes'
87         @echo  '  allnoconfig     - New config where all options are answered with no'
88
89 # lxdialog stuff
90 check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
91
92 # Use recursively expanded variables so we do not call gcc unless
93 # we really need to do so. (Do not call gcc as part of make mrproper)
94 HOST_EXTRACFLAGS = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags)
95 HOST_LOADLIBES   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
96
97 HOST_EXTRACFLAGS += -DLOCALE
98
99
100 # ===========================================================================
101 # Shared Makefile for the various kconfig executables:
102 # conf:   Used for defconfig, oldconfig and related targets
103 # mconf:  Used for the mconfig target.
104 #         Utilizes the lxdialog package
105 # qconf:  Used for the xconfig target
106 #         Based on QT which needs to be installed to compile it
107 # gconf:  Used for the gconfig target
108 #         Based on GTK which needs to be installed to compile it
109 # object files used by all kconfig flavours
110
111 lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
112 lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
113
114 conf-objs       := conf.o  zconf.tab.o
115 mconf-objs      := mconf.o zconf.tab.o $(lxdialog)
116 kxgettext-objs  := kxgettext.o zconf.tab.o
117
118 hostprogs-y := conf qconf gconf kxgettext
119
120 ifeq ($(MAKECMDGOALS),menuconfig)
121         hostprogs-y += mconf
122 endif
123
124 ifeq ($(MAKECMDGOALS),xconfig)
125         qconf-target := 1
126 endif
127 ifeq ($(MAKECMDGOALS),gconfig)
128         gconf-target := 1
129 endif
130
131
132 ifeq ($(qconf-target),1)
133 qconf-cxxobjs   := qconf.o
134 qconf-objs      := kconfig_load.o zconf.tab.o
135 endif
136
137 ifeq ($(gconf-target),1)
138 gconf-objs      := gconf.o kconfig_load.o zconf.tab.o
139 endif
140
141 clean-files     := lkc_defs.h qconf.moc .tmp_qtcheck \
142                    .tmp_gtkcheck zconf.tab.c lex.zconf.c zconf.hash.c gconf.glade.h
143 clean-files     += mconf qconf gconf
144 clean-files     += config.pot linux.pot
145
146 # Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
147 PHONY += $(obj)/dochecklxdialog
148 $(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
149 $(obj)/dochecklxdialog:
150         $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOST_LOADLIBES)
151
152 always := dochecklxdialog
153
154 # Add environment specific flags
155 HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
156
157 # generated files seem to need this to find local include files
158 HOSTCFLAGS_lex.zconf.o  := -I$(src)
159 HOSTCFLAGS_zconf.tab.o  := -I$(src)
160
161 HOSTLOADLIBES_qconf     = $(KC_QT_LIBS) -ldl
162 HOSTCXXFLAGS_qconf.o    = $(KC_QT_CFLAGS) -D LKC_DIRECT_LINK
163
164 HOSTLOADLIBES_gconf     = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
165 HOSTCFLAGS_gconf.o      = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
166                           -D LKC_DIRECT_LINK
167
168 $(obj)/qconf.o: $(obj)/.tmp_qtcheck
169
170 ifeq ($(qconf-target),1)
171 $(obj)/.tmp_qtcheck: $(src)/Makefile
172 -include $(obj)/.tmp_qtcheck
173
174 # QT needs some extra effort...
175 $(obj)/.tmp_qtcheck:
176         @set -e; echo "  CHECK   qt"; dir=""; pkg=""; \
177         pkg-config --exists qt 2> /dev/null && pkg=qt; \
178         pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
179         if [ -n "$$pkg" ]; then \
180           cflags="\$$(shell pkg-config $$pkg --cflags)"; \
181           libs="\$$(shell pkg-config $$pkg --libs)"; \
182           moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
183           dir="$$(pkg-config $$pkg --variable=prefix)"; \
184         else \
185           for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
186             if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
187           done; \
188           if [ -z "$$dir" ]; then \
189             echo "*"; \
190             echo "* Unable to find the QT3 installation. Please make sure that"; \
191             echo "* the QT3 development package is correctly installed and"; \
192             echo "* either install pkg-config or set the QTDIR environment"; \
193             echo "* variable to the correct location."; \
194             echo "*"; \
195             false; \
196           fi; \
197           libpath=$$dir/lib; lib=qt; osdir=""; \
198           $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
199             osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
200           test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
201           test -f $$libpath/libqt-mt.so && lib=qt-mt; \
202           cflags="-I$$dir/include"; \
203           libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
204           moc="$$dir/bin/moc"; \
205         fi; \
206         if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
207           echo "*"; \
208           echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
209           echo "*"; \
210           moc="/usr/bin/moc"; \
211         fi; \
212         echo "KC_QT_CFLAGS=$$cflags" > $@; \
213         echo "KC_QT_LIBS=$$libs" >> $@; \
214         echo "KC_QT_MOC=$$moc" >> $@
215 endif
216
217 $(obj)/gconf.o: $(obj)/.tmp_gtkcheck
218
219 ifeq ($(gconf-target),1)
220 -include $(obj)/.tmp_gtkcheck
221
222 # GTK needs some extra effort, too...
223 $(obj)/.tmp_gtkcheck:
224         @if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then               \
225                 if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then                  \
226                         touch $@;                                                               \
227                 else                                                                    \
228                         echo "*";                                                       \
229                         echo "* GTK+ is present but version >= 2.0.0 is required.";     \
230                         echo "*";                                                       \
231                         false;                                                          \
232                 fi                                                                      \
233         else                                                                            \
234                 echo "*";                                                               \
235                 echo "* Unable to find the GTK+ installation. Please make sure that";   \
236                 echo "* the GTK+ 2.0 development package is correctly installed...";    \
237                 echo "* You need gtk+-2.0, glib-2.0 and libglade-2.0.";                 \
238                 echo "*";                                                               \
239                 false;                                                                  \
240         fi
241 endif
242
243 $(obj)/zconf.tab.o: $(obj)/lex.zconf.c $(obj)/zconf.hash.c
244
245 $(obj)/kconfig_load.o: $(obj)/lkc_defs.h
246
247 $(obj)/qconf.o: $(obj)/qconf.moc $(obj)/lkc_defs.h
248
249 $(obj)/gconf.o: $(obj)/lkc_defs.h
250
251 $(obj)/%.moc: $(src)/%.h
252         $(KC_QT_MOC) -i $< -o $@
253
254 $(obj)/lkc_defs.h: $(src)/lkc_proto.h
255         sed < $< > $@ 's/P(\([^,]*\),.*/#define \1 (\*\1_p)/'
256
257 # Extract gconf menu items for I18N support
258 $(obj)/gconf.glade.h: $(obj)/gconf.glade
259         intltool-extract --type=gettext/glade $(obj)/gconf.glade
260
261 ###
262 # The following requires flex/bison/gperf
263 # By default we use the _shipped versions, uncomment the following line if
264 # you are modifying the flex/bison src.
265 # LKC_GENPARSER := 1
266
267 ifdef LKC_GENPARSER
268
269 $(obj)/zconf.tab.c: $(src)/zconf.y
270 $(obj)/lex.zconf.c: $(src)/zconf.l
271 $(obj)/zconf.hash.c: $(src)/zconf.gperf
272
273 %.tab.c: %.y
274         bison -l -b $* -p $(notdir $*) $<
275         cp $@ $@_shipped
276
277 lex.%.c: %.l
278         flex -L -P$(notdir $*) -o$@ $<
279         cp $@ $@_shipped
280
281 %.hash.c: %.gperf
282         gperf < $< > $@
283         cp $@ $@_shipped
284
285 endif