Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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
7ifdef KBUILD_KCONFIG
8Kconfig := $(KBUILD_KCONFIG)
9else
10Kconfig := arch/$(SRCARCH)/Kconfig
11endif
12
13xconfig: $(obj)/qconf
14 $< $(Kconfig)
15
16gconfig: $(obj)/gconf
17 $< $(Kconfig)
18
19menuconfig: $(obj)/mconf
20 $< $(Kconfig)
21
22config: $(obj)/conf
23 $< $(Kconfig)
24
25oldconfig: $(obj)/conf
26 $< -o $(Kconfig)
27
28silentoldconfig: $(obj)/conf
29 $< -s $(Kconfig)
30
31# Create new linux.pot file
32# Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
33# The symlink is used to repair a deficiency in arch/um
34update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
35 $(Q)echo " GEN config"
36 $(Q)xgettext --default-domain=linux \
37 --add-comments --keyword=_ --keyword=N_ \
38 --from-code=UTF-8 \
39 --files-from=scripts/kconfig/POTFILES.in \
40 --output $(obj)/config.pot
41 $(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
42 $(Q)ln -fs Kconfig.i386 arch/um/Kconfig.arch
43 $(Q)(for i in `ls arch/*/Kconfig`; \
44 do \
45 echo " GEN $$i"; \
46 $(obj)/kxgettext $$i \
47 >> $(obj)/config.pot; \
48 done )
49 $(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
50 --output $(obj)/linux.pot
51 $(Q)rm -f arch/um/Kconfig.arch
52 $(Q)rm -f $(obj)/config.pot
53
54PHONY += randconfig allyesconfig allnoconfig allmodconfig defconfig
55
56randconfig: $(obj)/conf
57 $< -r $(Kconfig)
58
59allyesconfig: $(obj)/conf
60 $< -y $(Kconfig)
61
62allnoconfig: $(obj)/conf
63 $< -n $(Kconfig)
64
65allmodconfig: $(obj)/conf
66 $< -m $(Kconfig)
67
68defconfig: $(obj)/conf
69ifeq ($(KBUILD_DEFCONFIG),)
70 $< -d $(Kconfig)
71else
72 @echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
73 $(Q)$< -D arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
74endif
75
76%_defconfig: $(obj)/conf
77 $(Q)$< -D arch/$(SRCARCH)/configs/$@ $(Kconfig)
78
79# Help text used by make help
80help:
81 @echo ' config - Update current config utilising a line-oriented program'
82 @echo ' menuconfig - Update current config utilising a menu based program'
83 @echo ' xconfig - Update current config utilising a QT based front-end'
84 @echo ' gconfig - Update current config utilising a GTK based front-end'
85 @echo ' oldconfig - Update current config utilising a provided .config as base'
86 @echo ' silentoldconfig - Same as oldconfig, but quietly'
87 @echo ' randconfig - New config with random answer to all options'
88 @echo ' defconfig - New config with default answer to all options'
89 @echo ' allmodconfig - New config selecting modules when possible'
90 @echo ' allyesconfig - New config where all options are accepted with yes'
91 @echo ' allnoconfig - New config where all options are answered with no'
92
93# lxdialog stuff
94check-lxdialog := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
95
96# Use recursively expanded variables so we do not call gcc unless
97# we really need to do so. (Do not call gcc as part of make mrproper)
98HOST_EXTRACFLAGS = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags)
99HOST_LOADLIBES = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
100
101HOST_EXTRACFLAGS += -DLOCALE
102
103
104# ===========================================================================
105# Shared Makefile for the various kconfig executables:
106# conf: Used for defconfig, oldconfig and related targets
107# mconf: Used for the mconfig target.
108# Utilizes the lxdialog package
109# qconf: Used for the xconfig target
110# Based on QT which needs to be installed to compile it
111# gconf: Used for the gconfig target
112# Based on GTK which needs to be installed to compile it
113# object files used by all kconfig flavours
114
115lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
116lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
117
118conf-objs := conf.o zconf.tab.o
119mconf-objs := mconf.o zconf.tab.o $(lxdialog)
120kxgettext-objs := kxgettext.o zconf.tab.o
121
122hostprogs-y := conf qconf gconf kxgettext
123
124ifeq ($(MAKECMDGOALS),menuconfig)
125 hostprogs-y += mconf
126endif
127
128ifeq ($(MAKECMDGOALS),xconfig)
129 qconf-target := 1
130endif
131ifeq ($(MAKECMDGOALS),gconfig)
132 gconf-target := 1
133endif
134
135
136ifeq ($(qconf-target),1)
137qconf-cxxobjs := qconf.o
138qconf-objs := kconfig_load.o zconf.tab.o
139endif
140
141ifeq ($(gconf-target),1)
142gconf-objs := gconf.o kconfig_load.o zconf.tab.o
143endif
144
145clean-files := lkc_defs.h qconf.moc .tmp_qtcheck \
146 .tmp_gtkcheck zconf.tab.c lex.zconf.c zconf.hash.c gconf.glade.h
147clean-files += mconf qconf gconf
148clean-files += config.pot linux.pot
149
150# Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
151PHONY += $(obj)/dochecklxdialog
152$(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
153$(obj)/dochecklxdialog:
154 $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOST_LOADLIBES)
155
156always := dochecklxdialog
157
158# Add environment specific flags
159HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
160
161# generated files seem to need this to find local include files
162HOSTCFLAGS_lex.zconf.o := -I$(src)
163HOSTCFLAGS_zconf.tab.o := -I$(src)
164
165HOSTLOADLIBES_qconf = $(KC_QT_LIBS) -ldl
166HOSTCXXFLAGS_qconf.o = $(KC_QT_CFLAGS) -D LKC_DIRECT_LINK
167
168HOSTLOADLIBES_gconf = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
169HOSTCFLAGS_gconf.o = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
170 -D LKC_DIRECT_LINK
171
172$(obj)/qconf.o: $(obj)/.tmp_qtcheck
173
174ifeq ($(qconf-target),1)
175$(obj)/.tmp_qtcheck: $(src)/Makefile
176-include $(obj)/.tmp_qtcheck
177
178# QT needs some extra effort...
179$(obj)/.tmp_qtcheck:
180 @set -e; echo " CHECK qt"; dir=""; pkg=""; \
181 pkg-config --exists qt 2> /dev/null && pkg=qt; \
182 pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
183 if [ -n "$$pkg" ]; then \
184 cflags="\$$(shell pkg-config $$pkg --cflags)"; \
185 libs="\$$(shell pkg-config $$pkg --libs)"; \
186 moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
187 dir="$$(pkg-config $$pkg --variable=prefix)"; \
188 else \
189 for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
190 if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
191 done; \
192 if [ -z "$$dir" ]; then \
193 echo "*"; \
194 echo "* Unable to find the QT3 installation. Please make sure that"; \
195 echo "* the QT3 development package is correctly installed and"; \
196 echo "* either install pkg-config or set the QTDIR environment"; \
197 echo "* variable to the correct location."; \
198 echo "*"; \
199 false; \
200 fi; \
201 libpath=$$dir/lib; lib=qt; osdir=""; \
202 $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
203 osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
204 test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
205 test -f $$libpath/libqt-mt.so && lib=qt-mt; \
206 cflags="-I$$dir/include"; \
207 libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
208 moc="$$dir/bin/moc"; \
209 fi; \
210 if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
211 echo "*"; \
212 echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
213 echo "*"; \
214 moc="/usr/bin/moc"; \
215 fi; \
216 echo "KC_QT_CFLAGS=$$cflags" > $@; \
217 echo "KC_QT_LIBS=$$libs" >> $@; \
218 echo "KC_QT_MOC=$$moc" >> $@
219endif
220
221$(obj)/gconf.o: $(obj)/.tmp_gtkcheck
222
223ifeq ($(gconf-target),1)
224-include $(obj)/.tmp_gtkcheck
225
226# GTK needs some extra effort, too...
227$(obj)/.tmp_gtkcheck:
228 @if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then \
229 if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then \
230 touch $@; \
231 else \
232 echo "*"; \
233 echo "* GTK+ is present but version >= 2.0.0 is required."; \
234 echo "*"; \
235 false; \
236 fi \
237 else \
238 echo "*"; \
239 echo "* Unable to find the GTK+ installation. Please make sure that"; \
240 echo "* the GTK+ 2.0 development package is correctly installed..."; \
241 echo "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; \
242 echo "*"; \
243 false; \
244 fi
245endif
246
247$(obj)/zconf.tab.o: $(obj)/lex.zconf.c $(obj)/zconf.hash.c
248
249$(obj)/kconfig_load.o: $(obj)/lkc_defs.h
250
251$(obj)/qconf.o: $(obj)/qconf.moc $(obj)/lkc_defs.h
252
253$(obj)/gconf.o: $(obj)/lkc_defs.h
254
255$(obj)/%.moc: $(src)/%.h
256 $(KC_QT_MOC) -i $< -o $@
257
258$(obj)/lkc_defs.h: $(src)/lkc_proto.h
259 sed < $< > $@ 's/P(\([^,]*\),.*/#define \1 (\*\1_p)/'
260
261# Extract gconf menu items for I18N support
262$(obj)/gconf.glade.h: $(obj)/gconf.glade
263 intltool-extract --type=gettext/glade $(obj)/gconf.glade
264
265###
266# The following requires flex/bison/gperf
267# By default we use the _shipped versions, uncomment the following line if
268# you are modifying the flex/bison src.
269# LKC_GENPARSER := 1
270
271ifdef LKC_GENPARSER
272
273$(obj)/zconf.tab.c: $(src)/zconf.y
274$(obj)/lex.zconf.c: $(src)/zconf.l
275$(obj)/zconf.hash.c: $(src)/zconf.gperf
276
277%.tab.c: %.y
278 bison -l -b $* -p $(notdir $*) $<
279 cp $@ $@_shipped
280
281lex.%.c: %.l
282 flex -L -P$(notdir $*) -o$@ $<
283 cp $@ $@_shipped
284
285%.hash.c: %.gperf
286 gperf < $< > $@
287 cp $@ $@_shipped
288
289endif