xref: /openbmc/linux/scripts/kconfig/Makefile (revision 261a9af6) 
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 := 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	$< --oldaskconfig $(Kconfig)
25
26nconfig: $(obj)/nconf
27	$< $(Kconfig)
28
29oldconfig: $(obj)/conf
30	$< --$@ $(Kconfig)
31
32silentoldconfig: $(obj)/conf
33	$(Q)mkdir -p include/generated
34	$< --$@ $(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 --silentoldconfig $(Kconfig);	\
52			 mv -f .config.old.1 .config.old)		\
53	else								\
54			mv -f .tmp.config .config;			\
55			$(obj)/conf --silentoldconfig $(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 --silentoldconfig $(Kconfig);	\
68			 mv -f .config.old.1 .config.old)		\
69	else								\
70			mv -f .tmp.config .config;			\
71			$(obj)/conf --silentoldconfig $(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	$(Q)xgettext --default-domain=linux                         \
81	    --add-comments --keyword=_ --keyword=N_                 \
82	    --from-code=UTF-8                                       \
83	    --files-from=$(srctree)/scripts/kconfig/POTFILES.in     \
84	    --directory=$(srctree) --directory=$(objtree)           \
85	    --output $(obj)/config.pot
86	$(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
87	$(Q)ln -fs Kconfig.x86 arch/um/Kconfig
88	$(Q)(for i in `ls $(srctree)/arch/*/Kconfig`;    \
89	    do                                           \
90		echo "  GEN $$i";                        \
91		$(obj)/kxgettext $$i                     \
92		     >> $(obj)/config.pot;               \
93	    done )
94	$(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
95	    --output $(obj)/linux.pot
96	$(Q)rm -f $(srctree)/arch/um/Kconfig
97	$(Q)rm -f $(obj)/config.pot
98
99PHONY += allnoconfig allyesconfig allmodconfig alldefconfig randconfig
100
101allnoconfig allyesconfig allmodconfig alldefconfig randconfig: $(obj)/conf
102	$< --$@ $(Kconfig)
103
104PHONY += listnewconfig oldnoconfig savedefconfig defconfig
105
106listnewconfig oldnoconfig: $(obj)/conf
107	$< --$@ $(Kconfig)
108
109savedefconfig: $(obj)/conf
110	$< --$@=defconfig $(Kconfig)
111
112defconfig: $(obj)/conf
113ifeq ($(KBUILD_DEFCONFIG),)
114	$< --defconfig $(Kconfig)
115else
116	@echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
117	$(Q)$< --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
118endif
119
120%_defconfig: $(obj)/conf
121	$(Q)$< --defconfig=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  '  defconfig	  - New config with default from ARCH supplied defconfig'
135	@echo  '  savedefconfig   - Save current config as ./defconfig (minimal config)'
136	@echo  '  allnoconfig	  - New config where all options are answered with no'
137	@echo  '  allyesconfig	  - New config where all options are accepted with yes'
138	@echo  '  allmodconfig	  - New config selecting modules when possible'
139	@echo  '  alldefconfig    - New config with all symbols set to default'
140	@echo  '  randconfig	  - New config with random answer to all options'
141	@echo  '  listnewconfig   - List new options'
142	@echo  '  oldnoconfig     - Same as silentoldconfig but set new symbols to n (unset)'
143
144# lxdialog stuff
145check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
146
147# Use recursively expanded variables so we do not call gcc unless
148# we really need to do so. (Do not call gcc as part of make mrproper)
149HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
150                    -DLOCALE
151
152# ===========================================================================
153# Shared Makefile for the various kconfig executables:
154# conf:	  Used for defconfig, oldconfig and related targets
155# nconf:  Used for the nconfig target.
156#         Utilizes ncurses
157# mconf:  Used for the menuconfig target
158#         Utilizes the lxdialog package
159# qconf:  Used for the xconfig target
160#         Based on QT which needs to be installed to compile it
161# gconf:  Used for the gconfig target
162#         Based on GTK which needs to be installed to compile it
163# object files used by all kconfig flavours
164
165lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
166lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
167
168conf-objs	:= conf.o  zconf.tab.o
169mconf-objs     := mconf.o zconf.tab.o $(lxdialog)
170nconf-objs     := nconf.o zconf.tab.o nconf.gui.o
171kxgettext-objs	:= kxgettext.o zconf.tab.o
172qconf-cxxobjs	:= qconf.o
173qconf-objs	:= kconfig_load.o zconf.tab.o
174gconf-objs	:= gconf.o kconfig_load.o zconf.tab.o
175
176hostprogs-y := conf
177
178ifeq ($(MAKECMDGOALS),nconfig)
179	hostprogs-y += nconf
180endif
181
182ifeq ($(MAKECMDGOALS),menuconfig)
183	hostprogs-y += mconf
184endif
185
186ifeq ($(MAKECMDGOALS),update-po-config)
187	hostprogs-y += kxgettext
188endif
189
190ifeq ($(MAKECMDGOALS),xconfig)
191	qconf-target := 1
192endif
193ifeq ($(MAKECMDGOALS),gconfig)
194	gconf-target := 1
195endif
196
197
198ifeq ($(qconf-target),1)
199	hostprogs-y += qconf
200endif
201
202ifeq ($(gconf-target),1)
203	hostprogs-y += gconf
204endif
205
206clean-files	:= lkc_defs.h qconf.moc .tmp_qtcheck .tmp_gtkcheck
207clean-files	+= zconf.tab.c lex.zconf.c zconf.hash.c gconf.glade.h
208clean-files     += mconf qconf gconf nconf
209clean-files     += config.pot linux.pot
210
211# Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
212PHONY += $(obj)/dochecklxdialog
213$(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
214$(obj)/dochecklxdialog:
215	$(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
216
217always := dochecklxdialog
218
219# Add environment specific flags
220HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
221
222# generated files seem to need this to find local include files
223HOSTCFLAGS_lex.zconf.o	:= -I$(src)
224HOSTCFLAGS_zconf.tab.o	:= -I$(src)
225
226HOSTLOADLIBES_qconf	= $(KC_QT_LIBS) -ldl
227HOSTCXXFLAGS_qconf.o	= $(KC_QT_CFLAGS) -D LKC_DIRECT_LINK
228
229HOSTLOADLIBES_gconf	= `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0` -ldl
230HOSTCFLAGS_gconf.o	= `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
231                          -D LKC_DIRECT_LINK
232
233HOSTLOADLIBES_mconf   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
234
235HOSTLOADLIBES_nconf	= -lmenu -lpanel -lncurses
236$(obj)/qconf.o: $(obj)/.tmp_qtcheck
237
238ifeq ($(qconf-target),1)
239$(obj)/.tmp_qtcheck: $(src)/Makefile
240-include $(obj)/.tmp_qtcheck
241
242# QT needs some extra effort...
243$(obj)/.tmp_qtcheck:
244	@set -e; echo "  CHECK   qt"; dir=""; pkg=""; \
245	if ! pkg-config --exists QtCore 2> /dev/null; then \
246	    echo "* Unable to find the QT4 tool qmake. Trying to use QT3"; \
247	    pkg-config --exists qt 2> /dev/null && pkg=qt; \
248	    pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
249	    if [ -n "$$pkg" ]; then \
250	      cflags="\$$(shell pkg-config $$pkg --cflags)"; \
251	      libs="\$$(shell pkg-config $$pkg --libs)"; \
252	      moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
253	      dir="$$(pkg-config $$pkg --variable=prefix)"; \
254	    else \
255	      for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
256	        if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
257	      done; \
258	      if [ -z "$$dir" ]; then \
259	        echo "*"; \
260	        echo "* Unable to find any QT installation. Please make sure that"; \
261	        echo "* the QT4 or QT3 development package is correctly installed and"; \
262	        echo "* either qmake can be found or install pkg-config or set"; \
263	        echo "* the QTDIR environment variable to the correct location."; \
264	        echo "*"; \
265	        false; \
266	      fi; \
267	      libpath=$$dir/lib; lib=qt; osdir=""; \
268	      $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
269	        osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
270	      test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
271	      test -f $$libpath/libqt-mt.so && lib=qt-mt; \
272	      cflags="-I$$dir/include"; \
273	      libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
274	      moc="$$dir/bin/moc"; \
275	    fi; \
276	    if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
277	      echo "*"; \
278	      echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
279	      echo "*"; \
280	      moc="/usr/bin/moc"; \
281	    fi; \
282	else \
283	  cflags="\$$(shell pkg-config QtCore QtGui Qt3Support --cflags)"; \
284	  libs="\$$(shell pkg-config QtCore QtGui Qt3Support --libs)"; \
285	  binpath="\$$(shell pkg-config QtCore --variable=prefix)"; \
286	  moc="$$binpath/bin/moc"; \
287	fi; \
288	echo "KC_QT_CFLAGS=$$cflags" > $@; \
289	echo "KC_QT_LIBS=$$libs" >> $@; \
290	echo "KC_QT_MOC=$$moc" >> $@
291endif
292
293$(obj)/gconf.o: $(obj)/.tmp_gtkcheck
294
295ifeq ($(gconf-target),1)
296-include $(obj)/.tmp_gtkcheck
297
298# GTK needs some extra effort, too...
299$(obj)/.tmp_gtkcheck:
300	@if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then		\
301		if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then			\
302			touch $@;								\
303		else									\
304			echo "*"; 							\
305			echo "* GTK+ is present but version >= 2.0.0 is required.";	\
306			echo "*";							\
307			false;								\
308		fi									\
309	else										\
310		echo "*"; 								\
311		echo "* Unable to find the GTK+ installation. Please make sure that"; 	\
312		echo "* the GTK+ 2.0 development package is correctly installed..."; 	\
313		echo "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; 		\
314		echo "*"; 								\
315		false;									\
316	fi
317endif
318
319$(obj)/zconf.tab.o: $(obj)/lex.zconf.c $(obj)/zconf.hash.c
320
321$(obj)/kconfig_load.o: $(obj)/lkc_defs.h
322
323$(obj)/qconf.o: $(obj)/qconf.moc $(obj)/lkc_defs.h
324
325$(obj)/gconf.o: $(obj)/lkc_defs.h
326
327$(obj)/%.moc: $(src)/%.h
328	$(KC_QT_MOC) -i $< -o $@
329
330$(obj)/lkc_defs.h: $(src)/lkc_proto.h
331	$(Q)sed < $< > $@ 's/P(\([^,]*\),.*/#define \1 (\*\1_p)/'
332
333# Extract gconf menu items for I18N support
334$(obj)/gconf.glade.h: $(obj)/gconf.glade
335	$(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \
336	$(obj)/gconf.glade
337
338###
339# The following requires flex/bison/gperf
340# By default we use the _shipped versions, uncomment the following line if
341# you are modifying the flex/bison src.
342# LKC_GENPARSER := 1
343
344ifdef LKC_GENPARSER
345
346$(obj)/zconf.tab.c: $(src)/zconf.y
347$(obj)/lex.zconf.c: $(src)/zconf.l
348$(obj)/zconf.hash.c: $(src)/zconf.gperf
349
350%.tab.c: %.y
351	bison -l -b $* -p $(notdir $*) $<
352	cp $@ $@_shipped
353
354lex.%.c: %.l
355	flex -L -P$(notdir $*) -o$@ $<
356	cp $@ $@_shipped
357
358%.hash.c: %.gperf
359	gperf < $< > $@
360	cp $@ $@_shipped
361
362endif
363