xref: /linux/scripts/kconfig/Makefile (revision 6b2d2cec1081a979e0efd6a1e9559e5a01a3c10e) 
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
7Kconfig := arch/$(SRCARCH)/Kconfig
8
9xconfig: $(obj)/qconf
10	$< $(Kconfig)
11
12gconfig: $(obj)/gconf
13	$< $(Kconfig)
14
15menuconfig: $(obj)/mconf
16	$< $(Kconfig)
17
18config: $(obj)/conf
19	$< $(Kconfig)
20
21oldconfig: $(obj)/conf
22	$< -o $(Kconfig)
23
24silentoldconfig: $(obj)/conf
25	$< -s $(Kconfig)
26
27# Create new linux.po 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
30update-po-config: $(obj)/kxgettext
31	xgettext --default-domain=linux                  \
32	    --add-comments --keyword=_ --keyword=N_      \
33	    --from-code=UTF-8                            \
34	    --files-from=scripts/kconfig/POTFILES.in     \
35	    --output $(obj)/config.pot
36	$(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
37	$(Q)ln -fs Kconfig.i386 arch/um/Kconfig.arch
38	(for i in `ls arch/`;                            \
39	do                                               \
40	    $(obj)/kxgettext arch/$$i/Kconfig;           \
41	done ) >> $(obj)/config.pot
42	msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
43	    --output $(obj)/linux.pot
44	$(Q)rm -f arch/um/Kconfig.arch
45	$(Q)rm -f $(obj)/config.pot
46
47PHONY += randconfig allyesconfig allnoconfig allmodconfig defconfig
48
49randconfig: $(obj)/conf
50	$< -r $(Kconfig)
51
52allyesconfig: $(obj)/conf
53	$< -y $(Kconfig)
54
55allnoconfig: $(obj)/conf
56	$< -n $(Kconfig)
57
58allmodconfig: $(obj)/conf
59	$< -m $(Kconfig)
60
61defconfig: $(obj)/conf
62ifeq ($(KBUILD_DEFCONFIG),)
63	$< -d $(Kconfig)
64else
65	@echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
66	$(Q)$< -D arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
67endif
68
69%_defconfig: $(obj)/conf
70	$(Q)$< -D arch/$(SRCARCH)/configs/$@ $(Kconfig)
71
72# Help text used by make help
73help:
74	@echo  '  config	  - Update current config utilising a line-oriented program'
75	@echo  '  menuconfig	  - Update current config utilising a menu based program'
76	@echo  '  xconfig	  - Update current config utilising a QT based front-end'
77	@echo  '  gconfig	  - Update current config utilising a GTK based front-end'
78	@echo  '  oldconfig	  - Update current config utilising a provided .config as base'
79	@echo  '  silentoldconfig - Same as oldconfig, but quietly'
80	@echo  '  randconfig	  - New config with random answer to all options'
81	@echo  '  defconfig	  - New config with default answer to all options'
82	@echo  '  allmodconfig	  - New config selecting modules when possible'
83	@echo  '  allyesconfig	  - New config where all options are accepted with yes'
84	@echo  '  allnoconfig	  - New config where all options are answered with no'
85
86# lxdialog stuff
87check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
88
89# Use recursively expanded variables so we do not call gcc unless
90# we really need to do so. (Do not call gcc as part of make mrproper)
91HOST_EXTRACFLAGS = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags)
92HOST_LOADLIBES   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
93
94HOST_EXTRACFLAGS += -DLOCALE
95
96PHONY += $(obj)/dochecklxdialog
97$(obj)/dochecklxdialog:
98	$(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_LOADLIBES)
99
100always := dochecklxdialog
101
102
103# ===========================================================================
104# Shared Makefile for the various kconfig executables:
105# conf:	  Used for defconfig, oldconfig and related targets
106# mconf:  Used for the mconfig target.
107#         Utilizes the lxdialog package
108# qconf:  Used for the xconfig target
109#         Based on QT which needs to be installed to compile it
110# gconf:  Used for the gconfig target
111#         Based on GTK which needs to be installed to compile it
112# object files used by all kconfig flavours
113
114lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
115lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
116
117conf-objs	:= conf.o  zconf.tab.o
118mconf-objs	:= mconf.o zconf.tab.o $(lxdialog)
119kxgettext-objs	:= kxgettext.o zconf.tab.o
120
121hostprogs-y := conf qconf gconf kxgettext
122
123ifeq ($(MAKECMDGOALS),menuconfig)
124	hostprogs-y += mconf
125endif
126
127ifeq ($(MAKECMDGOALS),xconfig)
128	qconf-target := 1
129endif
130ifeq ($(MAKECMDGOALS),gconfig)
131	gconf-target := 1
132endif
133
134
135ifeq ($(qconf-target),1)
136qconf-cxxobjs	:= qconf.o
137qconf-objs	:= kconfig_load.o zconf.tab.o
138endif
139
140ifeq ($(gconf-target),1)
141gconf-objs	:= gconf.o kconfig_load.o zconf.tab.o
142endif
143
144clean-files	:= lkc_defs.h qconf.moc .tmp_qtcheck \
145		   .tmp_gtkcheck zconf.tab.c lex.zconf.c zconf.hash.c
146clean-files     += mconf qconf gconf
147
148# Add environment specific flags
149HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
150
151# generated files seem to need this to find local include files
152HOSTCFLAGS_lex.zconf.o	:= -I$(src)
153HOSTCFLAGS_zconf.tab.o	:= -I$(src)
154
155HOSTLOADLIBES_qconf	= $(KC_QT_LIBS) -ldl
156HOSTCXXFLAGS_qconf.o	= $(KC_QT_CFLAGS) -D LKC_DIRECT_LINK
157
158HOSTLOADLIBES_gconf	= `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
159HOSTCFLAGS_gconf.o	= `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
160                          -D LKC_DIRECT_LINK
161
162$(obj)/qconf.o: $(obj)/.tmp_qtcheck
163
164ifeq ($(qconf-target),1)
165$(obj)/.tmp_qtcheck: $(src)/Makefile
166-include $(obj)/.tmp_qtcheck
167
168# QT needs some extra effort...
169$(obj)/.tmp_qtcheck:
170	@set -e; echo "  CHECK   qt"; dir=""; pkg=""; \
171	pkg-config --exists qt 2> /dev/null && pkg=qt; \
172	pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
173	if [ -n "$$pkg" ]; then \
174	  cflags="\$$(shell pkg-config $$pkg --cflags)"; \
175	  libs="\$$(shell pkg-config $$pkg --libs)"; \
176	  moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
177	  dir="$$(pkg-config $$pkg --variable=prefix)"; \
178	else \
179	  for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
180	    if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
181	  done; \
182	  if [ -z "$$dir" ]; then \
183	    echo "*"; \
184	    echo "* Unable to find the QT3 installation. Please make sure that"; \
185	    echo "* the QT3 development package is correctly installed and"; \
186	    echo "* either install pkg-config or set the QTDIR environment"; \
187	    echo "* variable to the correct location."; \
188	    echo "*"; \
189	    false; \
190	  fi; \
191	  libpath=$$dir/lib; lib=qt; osdir=""; \
192	  $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
193	    osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
194	  test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
195	  test -f $$libpath/libqt-mt.so && lib=qt-mt; \
196	  cflags="-I$$dir/include"; \
197	  libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
198	  moc="$$dir/bin/moc"; \
199	fi; \
200	if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
201	  echo "*"; \
202	  echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
203	  echo "*"; \
204	  moc="/usr/bin/moc"; \
205	fi; \
206	echo "KC_QT_CFLAGS=$$cflags" > $@; \
207	echo "KC_QT_LIBS=$$libs" >> $@; \
208	echo "KC_QT_MOC=$$moc" >> $@
209endif
210
211$(obj)/gconf.o: $(obj)/.tmp_gtkcheck
212
213ifeq ($(gconf-target),1)
214-include $(obj)/.tmp_gtkcheck
215
216# GTK needs some extra effort, too...
217$(obj)/.tmp_gtkcheck:
218	@if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then		\
219		if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then			\
220			touch $@;								\
221		else									\
222			echo "*"; 							\
223			echo "* GTK+ is present but version >= 2.0.0 is required.";	\
224			echo "*";							\
225			false;								\
226		fi									\
227	else										\
228		echo "*"; 								\
229		echo "* Unable to find the GTK+ installation. Please make sure that"; 	\
230		echo "* the GTK+ 2.0 development package is correctly installed..."; 	\
231		echo "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; 		\
232		echo "*"; 								\
233		false;									\
234	fi
235endif
236
237$(obj)/zconf.tab.o: $(obj)/lex.zconf.c $(obj)/zconf.hash.c
238
239$(obj)/kconfig_load.o: $(obj)/lkc_defs.h
240
241$(obj)/qconf.o: $(obj)/qconf.moc $(obj)/lkc_defs.h
242
243$(obj)/gconf.o: $(obj)/lkc_defs.h
244
245$(obj)/%.moc: $(src)/%.h
246	$(KC_QT_MOC) -i $< -o $@
247
248$(obj)/lkc_defs.h: $(src)/lkc_proto.h
249	sed < $< > $@ 's/P(\([^,]*\),.*/#define \1 (\*\1_p)/'
250
251
252###
253# The following requires flex/bison/gperf
254# By default we use the _shipped versions, uncomment the following line if
255# you are modifying the flex/bison src.
256# LKC_GENPARSER := 1
257
258ifdef LKC_GENPARSER
259
260$(obj)/zconf.tab.c: $(src)/zconf.y
261$(obj)/lex.zconf.c: $(src)/zconf.l
262$(obj)/zconf.hash.c: $(src)/zconf.gperf
263
264%.tab.c: %.y
265	bison -l -b $* -p $(notdir $*) $<
266	cp $@ $@_shipped
267
268lex.%.c: %.l
269	flex -L -P$(notdir $*) -o$@ $<
270	cp $@ $@_shipped
271
272%.hash.c: %.gperf
273	gperf < $< > $@
274	cp $@ $@_shipped
275
276endif
277