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kconfig: print more info when we see a recursive dependency
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1da177e4
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1# ===========================================================================
2# Kernel configuration targets
3# These targets are used from top-level makefile
4
03fa25da 5PHONY += oldconfig xconfig gconfig menuconfig config silentoldconfig update-po-config \
281c9dad 6 localmodconfig localyesconfig
1da177e4 7
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8ifdef KBUILD_KCONFIG
9Kconfig := $(KBUILD_KCONFIG)
10else
daa93fab 11Kconfig := arch/$(SRCARCH)/Kconfig
61bee204 12endif
e703f75d 13
1da177e4 14xconfig: $(obj)/qconf
e703f75d 15 $< $(Kconfig)
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16
17gconfig: $(obj)/gconf
e703f75d 18 $< $(Kconfig)
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19
20menuconfig: $(obj)/mconf
e703f75d 21 $< $(Kconfig)
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22
23config: $(obj)/conf
4062f1a4 24 $< --oldaskconfig $(Kconfig)
1da177e4 25
692d97c3 26nconfig: $(obj)/nconf
27 $< $(Kconfig)
28
1da177e4 29oldconfig: $(obj)/conf
4062f1a4 30 $< --$@ $(Kconfig)
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31
32silentoldconfig: $(obj)/conf
32197c7f 33 $(Q)mkdir -p include/generated
4062f1a4 34 $< --$@ $(Kconfig)
1da177e4 35
03fa25da 36localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
463bf900 37 $(Q)perl $< $(srctree) $(Kconfig) > .tmp.config
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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); \
a7c02602 47 fi
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48 $(Q)rm -f .tmp.config
49
48586218 50localyesconfig: $(obj)/streamline_config.pl $(obj)/conf
463bf900 51 $(Q)perl $< $(srctree) $(Kconfig) > .tmp.config
281c9dad 52 $(Q)sed -i s/=m/=y/ .tmp.config
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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); \
a7c02602 62 fi
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63 $(Q)rm -f .tmp.config
64
1020026f 65# Create new linux.pot file
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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
46d26319 68update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
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69 $(Q)echo " GEN config"
70 $(Q)xgettext --default-domain=linux \
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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
4217516e 77 $(Q)(for i in `ls arch/*/Kconfig`; \
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78 do \
79 echo " GEN $$i"; \
4217516e 80 $(obj)/kxgettext $$i \
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81 >> $(obj)/config.pot; \
82 done )
83 $(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
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84 --output $(obj)/linux.pot
85 $(Q)rm -f arch/um/Kconfig.arch
86 $(Q)rm -f $(obj)/config.pot
3b9fa093 87
4062f1a4 88PHONY += allnoconfig allyesconfig allmodconfig randconfig
1da177e4 89
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90allnoconfig allyesconfig allmodconfig randconfig: $(obj)/conf
91 $< --$@ $(Kconfig)
1da177e4 92
861b4ea4 93PHONY += listnewconfig oldnoconfig defconfig
1da177e4 94
861b4ea4 95listnewconfig oldnoconfig: $(obj)/conf
4062f1a4 96 $< --$@ $(Kconfig)
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97
98defconfig: $(obj)/conf
99ifeq ($(KBUILD_DEFCONFIG),)
4062f1a4 100 $< --defconfig $(Kconfig)
1da177e4 101else
2266cfd5 102 @echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
4062f1a4 103 $(Q)$< --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
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104endif
105
106%_defconfig: $(obj)/conf
4062f1a4 107 $(Q)$< --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
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108
109# Help text used by make help
110help:
111 @echo ' config - Update current config utilising a line-oriented program'
692d97c3 112 @echo ' nconfig - Update current config utilising a ncurses menu based program'
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113 @echo ' menuconfig - Update current config utilising a menu based program'
114 @echo ' xconfig - Update current config utilising a QT based front-end'
115 @echo ' gconfig - Update current config utilising a GTK based front-end'
116 @echo ' oldconfig - Update current config utilising a provided .config as base'
03fa25da 117 @echo ' localmodconfig - Update current config disabling modules not loaded'
281c9dad 118 @echo ' localyesconfig - Update current config converting local mods to core'
590a5857 119 @echo ' silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
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120 @echo ' randconfig - New config with random answer to all options'
121 @echo ' defconfig - New config with default answer to all options'
122 @echo ' allmodconfig - New config selecting modules when possible'
123 @echo ' allyesconfig - New config where all options are accepted with yes'
e11f0496 124 @echo ' allnoconfig - New config where all options are answered with no'
861b4ea4 125 @echo ' listnewconfig - List new options'
ef61ca88 126 @echo ' oldnoconfig - Same as silentoldconfig but set new symbols to n (unset)'
1da177e4 127
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128# lxdialog stuff
129check-lxdialog := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
130
e9e40e14 131# Use recursively expanded variables so we do not call gcc unless
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132# we really need to do so. (Do not call gcc as part of make mrproper)
133HOST_EXTRACFLAGS = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags)
134HOST_LOADLIBES = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
135
136HOST_EXTRACFLAGS += -DLOCALE
137
2982de69 138
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139# ===========================================================================
140# Shared Makefile for the various kconfig executables:
141# conf: Used for defconfig, oldconfig and related targets
692d97c3 142# nconf: Used for the nconfig target.
143# Utilizes ncurses
6f26e5e4 144# mconf: Used for the menuconfig target
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145# Utilizes the lxdialog package
146# qconf: Used for the xconfig target
147# Based on QT which needs to be installed to compile it
148# gconf: Used for the gconfig target
149# Based on GTK which needs to be installed to compile it
150# object files used by all kconfig flavours
151
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152lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
153lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
154
1da177e4 155conf-objs := conf.o zconf.tab.o
692d97c3 156mconf-objs := mconf.o zconf.tab.o $(lxdialog)
157nconf-objs := nconf.o zconf.tab.o nconf.gui.o
3b9fa093 158kxgettext-objs := kxgettext.o zconf.tab.o
1da177e4 159
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160hostprogs-y := conf qconf gconf kxgettext
161
692d97c3 162ifeq ($(MAKECMDGOALS),nconfig)
163 hostprogs-y += nconf
164endif
165
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166ifeq ($(MAKECMDGOALS),menuconfig)
167 hostprogs-y += mconf
168endif
169
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170ifeq ($(MAKECMDGOALS),xconfig)
171 qconf-target := 1
172endif
173ifeq ($(MAKECMDGOALS),gconfig)
174 gconf-target := 1
175endif
176
177
178ifeq ($(qconf-target),1)
179qconf-cxxobjs := qconf.o
180qconf-objs := kconfig_load.o zconf.tab.o
181endif
182
183ifeq ($(gconf-target),1)
184gconf-objs := gconf.o kconfig_load.o zconf.tab.o
185endif
186
187clean-files := lkc_defs.h qconf.moc .tmp_qtcheck \
46d26319 188 .tmp_gtkcheck zconf.tab.c lex.zconf.c zconf.hash.c gconf.glade.h
692d97c3 189clean-files += mconf qconf gconf nconf
1020026f 190clean-files += config.pot linux.pot
1da177e4 191
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192# Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
193PHONY += $(obj)/dochecklxdialog
194$(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
195$(obj)/dochecklxdialog:
196 $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOST_LOADLIBES)
197
198always := dochecklxdialog
199
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200# Add environment specific flags
201HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
70a6a0cb 202
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203# generated files seem to need this to find local include files
204HOSTCFLAGS_lex.zconf.o := -I$(src)
205HOSTCFLAGS_zconf.tab.o := -I$(src)
206
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207HOSTLOADLIBES_qconf = $(KC_QT_LIBS) -ldl
208HOSTCXXFLAGS_qconf.o = $(KC_QT_CFLAGS) -D LKC_DIRECT_LINK
1da177e4 209
37193147
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210HOSTLOADLIBES_gconf = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
211HOSTCFLAGS_gconf.o = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
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212 -D LKC_DIRECT_LINK
213
692d97c3 214HOSTLOADLIBES_nconf = -lmenu -lpanel -lncurses
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215$(obj)/qconf.o: $(obj)/.tmp_qtcheck
216
217ifeq ($(qconf-target),1)
b3a5225f 218$(obj)/.tmp_qtcheck: $(src)/Makefile
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219-include $(obj)/.tmp_qtcheck
220
221# QT needs some extra effort...
222$(obj)/.tmp_qtcheck:
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223 @set -e; echo " CHECK qt"; dir=""; pkg=""; \
224 pkg-config --exists qt 2> /dev/null && pkg=qt; \
225 pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
226 if [ -n "$$pkg" ]; then \
227 cflags="\$$(shell pkg-config $$pkg --cflags)"; \
228 libs="\$$(shell pkg-config $$pkg --libs)"; \
229 moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
230 dir="$$(pkg-config $$pkg --variable=prefix)"; \
ab919c06 231 else \
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232 for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
233 if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
234 done; \
235 if [ -z "$$dir" ]; then \
236 echo "*"; \
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237 echo "* Unable to find the QT3 installation. Please make sure that"; \
238 echo "* the QT3 development package is correctly installed and"; \
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239 echo "* either install pkg-config or set the QTDIR environment"; \
240 echo "* variable to the correct location."; \
241 echo "*"; \
242 false; \
243 fi; \
244 libpath=$$dir/lib; lib=qt; osdir=""; \
245 $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
246 osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
247 test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
248 test -f $$libpath/libqt-mt.so && lib=qt-mt; \
249 cflags="-I$$dir/include"; \
250 libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
251 moc="$$dir/bin/moc"; \
ab919c06 252 fi; \
b3a5225f 253 if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
1da177e4 254 echo "*"; \
b3a5225f 255 echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
1da177e4 256 echo "*"; \
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257 moc="/usr/bin/moc"; \
258 fi; \
259 echo "KC_QT_CFLAGS=$$cflags" > $@; \
260 echo "KC_QT_LIBS=$$libs" >> $@; \
261 echo "KC_QT_MOC=$$moc" >> $@
1da177e4
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262endif
263
264$(obj)/gconf.o: $(obj)/.tmp_gtkcheck
265
266ifeq ($(gconf-target),1)
267-include $(obj)/.tmp_gtkcheck
268
269# GTK needs some extra effort, too...
270$(obj)/.tmp_gtkcheck:
37193147
AB
271 @if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then \
272 if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then \
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273 touch $@; \
274 else \
275 echo "*"; \
276 echo "* GTK+ is present but version >= 2.0.0 is required."; \
277 echo "*"; \
278 false; \
279 fi \
280 else \
281 echo "*"; \
282 echo "* Unable to find the GTK+ installation. Please make sure that"; \
283 echo "* the GTK+ 2.0 development package is correctly installed..."; \
284 echo "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; \
285 echo "*"; \
286 false; \
287 fi
288endif
289
7a88488b 290$(obj)/zconf.tab.o: $(obj)/lex.zconf.c $(obj)/zconf.hash.c
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291
292$(obj)/kconfig_load.o: $(obj)/lkc_defs.h
293
294$(obj)/qconf.o: $(obj)/qconf.moc $(obj)/lkc_defs.h
295
296$(obj)/gconf.o: $(obj)/lkc_defs.h
297
298$(obj)/%.moc: $(src)/%.h
b3a5225f 299 $(KC_QT_MOC) -i $< -o $@
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300
301$(obj)/lkc_defs.h: $(src)/lkc_proto.h
302 sed < $< > $@ 's/P(\([^,]*\),.*/#define \1 (\*\1_p)/'
303
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304# Extract gconf menu items for I18N support
305$(obj)/gconf.glade.h: $(obj)/gconf.glade
306 intltool-extract --type=gettext/glade $(obj)/gconf.glade
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307
308###
7a88488b 309# The following requires flex/bison/gperf
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310# By default we use the _shipped versions, uncomment the following line if
311# you are modifying the flex/bison src.
312# LKC_GENPARSER := 1
313
314ifdef LKC_GENPARSER
315
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316$(obj)/zconf.tab.c: $(src)/zconf.y
317$(obj)/lex.zconf.c: $(src)/zconf.l
7a88488b 318$(obj)/zconf.hash.c: $(src)/zconf.gperf
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319
320%.tab.c: %.y
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321 bison -l -b $* -p $(notdir $*) $<
322 cp $@ $@_shipped
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323
324lex.%.c: %.l
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325 flex -L -P$(notdir $*) -o$@ $<
326 cp $@ $@_shipped
1da177e4 327
7a88488b
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328%.hash.c: %.gperf
329 gperf < $< > $@
330 cp $@ $@_shipped
331
1da177e4 332endif