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