xref: /openbmc/linux/scripts/kconfig/Makefile (revision 1fa6ac37) 
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	localmodconfig localyesconfig
7
8ifdef KBUILD_KCONFIG
9Kconfig := $(KBUILD_KCONFIG)
10else
11Kconfig := arch/$(SRCARCH)/Kconfig
12endif
13
14xconfig: $(obj)/qconf
15	$< $(Kconfig)
16
17gconfig: $(obj)/gconf
18	$< $(Kconfig)
19
20menuconfig: $(obj)/mconf
21	$< $(Kconfig)
22
23config: $(obj)/conf
24	$< $(Kconfig)
25
26nconfig: $(obj)/nconf
27	$< $(Kconfig)
28
29oldconfig: $(obj)/conf
30	$< -o $(Kconfig)
31
32silentoldconfig: $(obj)/conf
33	$(Q)mkdir -p include/generated
34	$< -s $(Kconfig)
35
36# if no path is given, then use src directory to find file
37ifdef LSMOD
38LSMOD_F := $(LSMOD)
39ifeq ($(findstring /,$(LSMOD)),)
40  LSMOD_F := $(objtree)/$(LSMOD)
41endif
42endif
43
44localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
45	$(Q)mkdir -p include/generated
46	$(Q)perl $< $(srctree) $(Kconfig) $(LSMOD_F) > .tmp.config
47	$(Q)if [ -f .config ]; then 				\
48			cmp -s .tmp.config .config ||		\
49			(mv -f .config .config.old.1;		\
50			 mv -f .tmp.config .config;		\
51			 $(obj)/conf -s $(Kconfig);		\
52			 mv -f .config.old.1 .config.old)	\
53	else							\
54			mv -f .tmp.config .config;		\
55			$(obj)/conf -s $(Kconfig);		\
56	fi
57	$(Q)rm -f .tmp.config
58
59localyesconfig: $(obj)/streamline_config.pl $(obj)/conf
60	$(Q)mkdir -p include/generated
61	$(Q)perl $< $(srctree) $(Kconfig) $(LSMOD_F) > .tmp.config
62	$(Q)sed -i s/=m/=y/ .tmp.config
63	$(Q)if [ -f .config ]; then 				\
64			cmp -s .tmp.config .config ||		\
65			(mv -f .config .config.old.1;		\
66			 mv -f .tmp.config .config;		\
67			 $(obj)/conf -s $(Kconfig);		\
68			 mv -f .config.old.1 .config.old)	\
69	else							\
70			mv -f .tmp.config .config;		\
71			$(obj)/conf -s $(Kconfig);		\
72	fi
73	$(Q)rm -f .tmp.config
74
75# Create new linux.pot file
76# Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
77# The symlink is used to repair a deficiency in arch/um
78update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
79	$(Q)echo "  GEN config"
80	$(Q)xgettext --default-domain=linux              \
81	    --add-comments --keyword=_ --keyword=N_      \
82	    --from-code=UTF-8                            \
83	    --files-from=scripts/kconfig/POTFILES.in     \
84	    --output $(obj)/config.pot
85	$(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
86	$(Q)ln -fs Kconfig.i386 arch/um/Kconfig.arch
87	$(Q)(for i in `ls arch/*/Kconfig`;               \
88	    do                                           \
89		echo "  GEN $$i";                        \
90		$(obj)/kxgettext $$i                     \
91		     >> $(obj)/config.pot;               \
92	    done )
93	$(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
94	    --output $(obj)/linux.pot
95	$(Q)rm -f arch/um/Kconfig.arch
96	$(Q)rm -f $(obj)/config.pot
97
98PHONY += randconfig allyesconfig allnoconfig allmodconfig defconfig
99
100randconfig: $(obj)/conf
101	$< -r $(Kconfig)
102
103allyesconfig: $(obj)/conf
104	$< -y $(Kconfig)
105
106allnoconfig: $(obj)/conf
107	$< -n $(Kconfig)
108
109allmodconfig: $(obj)/conf
110	$< -m $(Kconfig)
111
112defconfig: $(obj)/conf
113ifeq ($(KBUILD_DEFCONFIG),)
114	$< -d $(Kconfig)
115else
116	@echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
117	$(Q)$< -D arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
118endif
119
120%_defconfig: $(obj)/conf
121	$(Q)$< -D arch/$(SRCARCH)/configs/$@ $(Kconfig)
122
123# Help text used by make help
124help:
125	@echo  '  config	  - Update current config utilising a line-oriented program'
126	@echo  '  nconfig         - Update current config utilising a ncurses menu based program'
127	@echo  '  menuconfig	  - Update current config utilising a menu based program'
128	@echo  '  xconfig	  - Update current config utilising a QT based front-end'
129	@echo  '  gconfig	  - Update current config utilising a GTK based front-end'
130	@echo  '  oldconfig	  - Update current config utilising a provided .config as base'
131	@echo  '  localmodconfig  - Update current config disabling modules not loaded'
132	@echo  '  localyesconfig  - Update current config converting local mods to core'
133	@echo  '  silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
134	@echo  '  randconfig	  - New config with random answer to all options'
135	@echo  '  defconfig	  - New config with default answer to all options'
136	@echo  '  allmodconfig	  - New config selecting modules when possible'
137	@echo  '  allyesconfig	  - New config where all options are accepted with yes'
138	@echo  '  allnoconfig	  - New config where all options are answered with no'
139
140# lxdialog stuff
141check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
142
143# Use recursively expanded variables so we do not call gcc unless
144# we really need to do so. (Do not call gcc as part of make mrproper)
145HOST_EXTRACFLAGS = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags)
146HOST_LOADLIBES   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
147
148HOST_EXTRACFLAGS += -DLOCALE
149
150
151# ===========================================================================
152# Shared Makefile for the various kconfig executables:
153# conf:	  Used for defconfig, oldconfig and related targets
154# nconf:  Used for the nconfig target.
155#         Utilizes ncurses
156# mconf:  Used for the menuconfig target
157#         Utilizes the lxdialog package
158# qconf:  Used for the xconfig target
159#         Based on QT which needs to be installed to compile it
160# gconf:  Used for the gconfig target
161#         Based on GTK which needs to be installed to compile it
162# object files used by all kconfig flavours
163
164lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
165lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
166
167conf-objs	:= conf.o  zconf.tab.o
168mconf-objs     := mconf.o zconf.tab.o $(lxdialog)
169nconf-objs     := nconf.o zconf.tab.o nconf.gui.o
170kxgettext-objs	:= kxgettext.o zconf.tab.o
171
172hostprogs-y := conf qconf gconf kxgettext
173
174ifeq ($(MAKECMDGOALS),nconfig)
175	hostprogs-y += nconf
176endif
177
178ifeq ($(MAKECMDGOALS),menuconfig)
179	hostprogs-y += mconf
180endif
181
182ifeq ($(MAKECMDGOALS),xconfig)
183	qconf-target := 1
184endif
185ifeq ($(MAKECMDGOALS),gconfig)
186	gconf-target := 1
187endif
188
189
190ifeq ($(qconf-target),1)
191qconf-cxxobjs	:= qconf.o
192qconf-objs	:= kconfig_load.o zconf.tab.o
193endif
194
195ifeq ($(gconf-target),1)
196gconf-objs	:= gconf.o kconfig_load.o zconf.tab.o
197endif
198
199clean-files	:= lkc_defs.h qconf.moc .tmp_qtcheck \
200		   .tmp_gtkcheck zconf.tab.c lex.zconf.c zconf.hash.c gconf.glade.h
201clean-files     += mconf qconf gconf nconf
202clean-files     += config.pot linux.pot
203
204# Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
205PHONY += $(obj)/dochecklxdialog
206$(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
207$(obj)/dochecklxdialog:
208	$(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOST_LOADLIBES)
209
210always := dochecklxdialog
211
212# Add environment specific flags
213HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
214
215# generated files seem to need this to find local include files
216HOSTCFLAGS_lex.zconf.o	:= -I$(src)
217HOSTCFLAGS_zconf.tab.o	:= -I$(src)
218
219HOSTLOADLIBES_qconf	= $(KC_QT_LIBS) -ldl
220HOSTCXXFLAGS_qconf.o	= $(KC_QT_CFLAGS) -D LKC_DIRECT_LINK
221
222HOSTLOADLIBES_gconf	= `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0` -ldl
223HOSTCFLAGS_gconf.o	= `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
224                          -D LKC_DIRECT_LINK
225
226HOSTLOADLIBES_nconf	= -lmenu -lpanel -lncurses
227$(obj)/qconf.o: $(obj)/.tmp_qtcheck
228
229ifeq ($(qconf-target),1)
230$(obj)/.tmp_qtcheck: $(src)/Makefile
231-include $(obj)/.tmp_qtcheck
232
233# QT needs some extra effort...
234$(obj)/.tmp_qtcheck:
235	@set -e; echo "  CHECK   qt"; dir=""; pkg=""; \
236	pkg-config --exists qt 2> /dev/null && pkg=qt; \
237	pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
238	if [ -n "$$pkg" ]; then \
239	  cflags="\$$(shell pkg-config $$pkg --cflags)"; \
240	  libs="\$$(shell pkg-config $$pkg --libs)"; \
241	  moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
242	  dir="$$(pkg-config $$pkg --variable=prefix)"; \
243	else \
244	  for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
245	    if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
246	  done; \
247	  if [ -z "$$dir" ]; then \
248	    echo "*"; \
249	    echo "* Unable to find the QT3 installation. Please make sure that"; \
250	    echo "* the QT3 development package is correctly installed and"; \
251	    echo "* either install pkg-config or set the QTDIR environment"; \
252	    echo "* variable to the correct location."; \
253	    echo "*"; \
254	    false; \
255	  fi; \
256	  libpath=$$dir/lib; lib=qt; osdir=""; \
257	  $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
258	    osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
259	  test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
260	  test -f $$libpath/libqt-mt.so && lib=qt-mt; \
261	  cflags="-I$$dir/include"; \
262	  libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
263	  moc="$$dir/bin/moc"; \
264	fi; \
265	if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
266	  echo "*"; \
267	  echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
268	  echo "*"; \
269	  moc="/usr/bin/moc"; \
270	fi; \
271	echo "KC_QT_CFLAGS=$$cflags" > $@; \
272	echo "KC_QT_LIBS=$$libs" >> $@; \
273	echo "KC_QT_MOC=$$moc" >> $@
274endif
275
276$(obj)/gconf.o: $(obj)/.tmp_gtkcheck
277
278ifeq ($(gconf-target),1)
279-include $(obj)/.tmp_gtkcheck
280
281# GTK needs some extra effort, too...
282$(obj)/.tmp_gtkcheck:
283	@if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then		\
284		if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then			\
285			touch $@;								\
286		else									\
287			echo "*"; 							\
288			echo "* GTK+ is present but version >= 2.0.0 is required.";	\
289			echo "*";							\
290			false;								\
291		fi									\
292	else										\
293		echo "*"; 								\
294		echo "* Unable to find the GTK+ installation. Please make sure that"; 	\
295		echo "* the GTK+ 2.0 development package is correctly installed..."; 	\
296		echo "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; 		\
297		echo "*"; 								\
298		false;									\
299	fi
300endif
301
302$(obj)/zconf.tab.o: $(obj)/lex.zconf.c $(obj)/zconf.hash.c
303
304$(obj)/kconfig_load.o: $(obj)/lkc_defs.h
305
306$(obj)/qconf.o: $(obj)/qconf.moc $(obj)/lkc_defs.h
307
308$(obj)/gconf.o: $(obj)/lkc_defs.h
309
310$(obj)/%.moc: $(src)/%.h
311	$(KC_QT_MOC) -i $< -o $@
312
313$(obj)/lkc_defs.h: $(src)/lkc_proto.h
314	sed < $< > $@ 's/P(\([^,]*\),.*/#define \1 (\*\1_p)/'
315
316# Extract gconf menu items for I18N support
317$(obj)/gconf.glade.h: $(obj)/gconf.glade
318	intltool-extract --type=gettext/glade $(obj)/gconf.glade
319
320###
321# The following requires flex/bison/gperf
322# By default we use the _shipped versions, uncomment the following line if
323# you are modifying the flex/bison src.
324# LKC_GENPARSER := 1
325
326ifdef LKC_GENPARSER
327
328$(obj)/zconf.tab.c: $(src)/zconf.y
329$(obj)/lex.zconf.c: $(src)/zconf.l
330$(obj)/zconf.hash.c: $(src)/zconf.gperf
331
332%.tab.c: %.y
333	bison -l -b $* -p $(notdir $*) $<
334	cp $@ $@_shipped
335
336lex.%.c: %.l
337	flex -L -P$(notdir $*) -o$@ $<
338	cp $@ $@_shipped
339
340%.hash.c: %.gperf
341	gperf < $< > $@
342	cp $@ $@_shipped
343
344endif
345