xref: /openbmc/u-boot/scripts/kconfig/Makefile (revision e7cd070d)
1# ===========================================================================
2# Kernel configuration targets
3# These targets are used from top-level makefile
4
5PHONY += xconfig gconfig menuconfig config silentoldconfig update-po-config \
6	localmodconfig localyesconfig
7
8# Added for U-Boot
9#  Linux has defconfig files in arch/$(SRCARCH)/configs/,
10#  on the other hand, U-Boot does in configs/.
11#  Set SRCARCH to .. fake this Makefile.
12SRCARCH := ..
13
14ifdef KBUILD_KCONFIG
15Kconfig := $(KBUILD_KCONFIG)
16else
17Kconfig := Kconfig
18endif
19
20ifeq ($(quiet),silent_)
21silent := -s
22endif
23
24# We need this, in case the user has it in its environment
25unexport CONFIG_
26
27xconfig: $(obj)/qconf
28	$< $(silent) $(Kconfig)
29
30gconfig: $(obj)/gconf
31	$< $(silent) $(Kconfig)
32
33menuconfig: $(obj)/mconf
34	$< $(silent) $(Kconfig)
35
36config: $(obj)/conf
37	$< $(silent) --oldaskconfig $(Kconfig)
38
39nconfig: $(obj)/nconf
40	$< $(silent) $(Kconfig)
41
42silentoldconfig: $(obj)/conf
43	$(Q)mkdir -p include/config include/generated
44	$< $(silent) --$@ $(Kconfig)
45
46localyesconfig localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
47	$(Q)mkdir -p include/config include/generated
48	$(Q)perl $< --$@ $(srctree) $(Kconfig) > .tmp.config
49	$(Q)if [ -f .config ]; then 					\
50			cmp -s .tmp.config .config ||			\
51			(mv -f .config .config.old.1;			\
52			 mv -f .tmp.config .config;			\
53			 $(obj)/conf $(silent) --silentoldconfig $(Kconfig); \
54			 mv -f .config.old.1 .config.old)		\
55	else								\
56			mv -f .tmp.config .config;			\
57			$(obj)/conf $(silent) --silentoldconfig $(Kconfig); \
58	fi
59	$(Q)rm -f .tmp.config
60
61# Create new linux.pot file
62# Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
63update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
64	$(Q)$(kecho) "  GEN     config.pot"
65	$(Q)xgettext --default-domain=linux                         \
66	    --add-comments --keyword=_ --keyword=N_                 \
67	    --from-code=UTF-8                                       \
68	    --files-from=$(srctree)/scripts/kconfig/POTFILES.in     \
69	    --directory=$(srctree) --directory=$(objtree)           \
70	    --output $(obj)/config.pot
71	$(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
72	$(Q)(for i in `ls $(srctree)/arch/*/Kconfig      \
73	    $(srctree)/arch/*/um/Kconfig`;               \
74	    do                                           \
75		$(kecho) "  GEN     $$i";                    \
76		$(obj)/kxgettext $$i                     \
77		     >> $(obj)/config.pot;               \
78	    done )
79	$(Q)$(kecho) "  GEN     linux.pot"
80	$(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
81	    --output $(obj)/linux.pot
82	$(Q)rm -f $(obj)/config.pot
83
84# These targets map 1:1 to the commandline options of 'conf'
85simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \
86	alldefconfig randconfig listnewconfig olddefconfig
87PHONY += $(simple-targets)
88
89$(simple-targets): $(obj)/conf
90	$< $(silent) --$@ $(Kconfig)
91
92PHONY += oldnoconfig savedefconfig defconfig
93
94# oldnoconfig is an alias of olddefconfig, because people already are dependent
95# on its behavior(sets new symbols to their default value but not 'n') with the
96# counter-intuitive name.
97oldnoconfig: olddefconfig
98
99savedefconfig: $(obj)/conf
100	$< $(silent) --$@=defconfig $(Kconfig)
101
102defconfig: $(obj)/conf
103ifeq ($(KBUILD_DEFCONFIG),)
104	$< $(silent) --defconfig $(Kconfig)
105else
106	@$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
107	$(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
108endif
109
110%_defconfig: $(obj)/conf
111	$(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
112
113# Added for U-Boot (backward compatibility)
114%_config: %_defconfig
115	@:
116
117configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@)
118
119%.config: $(obj)/conf
120	$(if $(call configfiles),, $(error No configuration exists for this target on this architecture))
121	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles)
122	+$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig
123
124PHONY += kvmconfig
125kvmconfig: kvm_guest.config
126	@:
127
128PHONY += tinyconfig
129tinyconfig:
130	$(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config
131
132# Help text used by make help
133help:
134	@echo  '  config	  - Update current config utilising a line-oriented program'
135	@echo  '  nconfig         - Update current config utilising a ncurses menu based program'
136	@echo  '  menuconfig	  - Update current config utilising a menu based program'
137	@echo  '  xconfig	  - Update current config utilising a QT based front-end'
138	@echo  '  gconfig	  - Update current config utilising a GTK based front-end'
139	@echo  '  oldconfig	  - Update current config utilising a provided .config as base'
140	@echo  '  localmodconfig  - Update current config disabling modules not loaded'
141	@echo  '  localyesconfig  - Update current config converting local mods to core'
142	@echo  '  silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
143	@echo  '  defconfig	  - New config with default from ARCH supplied defconfig'
144	@echo  '  savedefconfig   - Save current config as ./defconfig (minimal config)'
145	@echo  '  allnoconfig	  - New config where all options are answered with no'
146	@echo  '  allyesconfig	  - New config where all options are accepted with yes'
147	@echo  '  allmodconfig	  - New config selecting modules when possible'
148	@echo  '  alldefconfig    - New config with all symbols set to default'
149	@echo  '  randconfig	  - New config with random answer to all options'
150	@echo  '  listnewconfig   - List new options'
151	@echo  '  olddefconfig	  - Same as silentoldconfig but sets new symbols to their default value'
152#	@echo  '  kvmconfig	  - Enable additional options for guest kernel support'
153#	@echo  '  tinyconfig	  - Configure the tiniest possible kernel'
154
155# lxdialog stuff
156check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
157
158# Use recursively expanded variables so we do not call gcc unless
159# we really need to do so. (Do not call gcc as part of make mrproper)
160HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
161                    -DLOCALE
162
163# ===========================================================================
164# Shared Makefile for the various kconfig executables:
165# conf:	  Used for defconfig, oldconfig and related targets
166# nconf:  Used for the nconfig target.
167#         Utilizes ncurses
168# mconf:  Used for the menuconfig target
169#         Utilizes the lxdialog package
170# qconf:  Used for the xconfig target
171#         Based on QT which needs to be installed to compile it
172# gconf:  Used for the gconfig target
173#         Based on GTK which needs to be installed to compile it
174# object files used by all kconfig flavours
175
176lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
177lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
178
179conf-objs	:= conf.o  zconf.tab.o
180mconf-objs     := mconf.o zconf.tab.o $(lxdialog)
181nconf-objs     := nconf.o zconf.tab.o nconf.gui.o
182kxgettext-objs	:= kxgettext.o zconf.tab.o
183qconf-cxxobjs	:= qconf.o
184qconf-objs	:= zconf.tab.o
185gconf-objs	:= gconf.o zconf.tab.o
186
187hostprogs-y := conf nconf mconf kxgettext qconf gconf
188
189clean-files	:= qconf.moc .tmp_qtcheck .tmp_gtkcheck
190clean-files	+= zconf.tab.c zconf.lex.c zconf.hash.c gconf.glade.h
191clean-files     += config.pot linux.pot
192
193# Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
194PHONY += $(obj)/dochecklxdialog
195$(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
196$(obj)/dochecklxdialog:
197	$(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
198
199always := dochecklxdialog
200
201# Add environment specific flags
202HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
203
204# generated files seem to need this to find local include files
205HOSTCFLAGS_zconf.lex.o	:= -I$(src)
206HOSTCFLAGS_zconf.tab.o	:= -I$(src)
207
208LEX_PREFIX_zconf	:= zconf
209YACC_PREFIX_zconf	:= zconf
210
211HOSTLOADLIBES_qconf	= $(KC_QT_LIBS)
212HOSTCXXFLAGS_qconf.o	= $(KC_QT_CFLAGS)
213
214HOSTLOADLIBES_gconf	= `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
215HOSTCFLAGS_gconf.o	= `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
216                          -Wno-missing-prototypes
217
218HOSTLOADLIBES_mconf   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
219
220HOSTLOADLIBES_nconf	= $(shell \
221				pkg-config --libs menuw panelw ncursesw 2>/dev/null \
222				|| pkg-config --libs menu panel ncurses 2>/dev/null \
223				|| echo "-lmenu -lpanel -lncurses"  )
224$(obj)/qconf.o: $(obj)/.tmp_qtcheck
225
226ifeq ($(MAKECMDGOALS),xconfig)
227$(obj)/.tmp_qtcheck: $(src)/Makefile
228-include $(obj)/.tmp_qtcheck
229
230# QT needs some extra effort...
231$(obj)/.tmp_qtcheck:
232	@set -e; $(kecho) "  CHECK   qt"; dir=""; pkg=""; \
233	if ! pkg-config --exists QtCore 2> /dev/null; then \
234	    echo "* Unable to find the QT4 tool qmake. Trying to use QT3"; \
235	    pkg-config --exists qt 2> /dev/null && pkg=qt; \
236	    pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
237	    if [ -n "$$pkg" ]; then \
238	      cflags="\$$(shell pkg-config $$pkg --cflags)"; \
239	      libs="\$$(shell pkg-config $$pkg --libs)"; \
240	      moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
241	      dir="$$(pkg-config $$pkg --variable=prefix)"; \
242	    else \
243	      for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
244	        if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
245	      done; \
246	      if [ -z "$$dir" ]; then \
247	        echo >&2 "*"; \
248	        echo >&2 "* Unable to find any QT installation. Please make sure that"; \
249	        echo >&2 "* the QT4 or QT3 development package is correctly installed and"; \
250	        echo >&2 "* either qmake can be found or install pkg-config or set"; \
251	        echo >&2 "* the QTDIR environment variable to the correct location."; \
252	        echo >&2 "*"; \
253	        false; \
254	      fi; \
255	      libpath=$$dir/lib; lib=qt; osdir=""; \
256	      $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
257	        osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
258	      test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
259	      test -f $$libpath/libqt-mt.so && lib=qt-mt; \
260	      cflags="-I$$dir/include"; \
261	      libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
262	      moc="$$dir/bin/moc"; \
263	    fi; \
264	    if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
265	      echo "*"; \
266	      echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
267	      echo "*"; \
268	      moc="/usr/bin/moc"; \
269	    fi; \
270	else \
271	  cflags="\$$(shell pkg-config QtCore QtGui Qt3Support --cflags)"; \
272	  libs="\$$(shell pkg-config QtCore QtGui Qt3Support --libs)"; \
273	  moc="\$$(shell pkg-config QtCore --variable=moc_location)"; \
274	  [ -n "$$moc" ] || moc="\$$(shell pkg-config QtCore --variable=prefix)/bin/moc"; \
275	fi; \
276	echo "KC_QT_CFLAGS=$$cflags" > $@; \
277	echo "KC_QT_LIBS=$$libs" >> $@; \
278	echo "KC_QT_MOC=$$moc" >> $@
279endif
280
281$(obj)/gconf.o: $(obj)/.tmp_gtkcheck
282
283ifeq ($(MAKECMDGOALS),gconfig)
284-include $(obj)/.tmp_gtkcheck
285
286# GTK needs some extra effort, too...
287$(obj)/.tmp_gtkcheck:
288	@if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then		\
289		if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then			\
290			touch $@;								\
291		else									\
292			echo >&2 "*"; 							\
293			echo >&2 "* GTK+ is present but version >= 2.0.0 is required.";	\
294			echo >&2 "*";							\
295			false;								\
296		fi									\
297	else										\
298		echo >&2 "*"; 								\
299		echo >&2 "* Unable to find the GTK+ installation. Please make sure that"; 	\
300		echo >&2 "* the GTK+ 2.0 development package is correctly installed..."; 	\
301		echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; 		\
302		echo >&2 "*"; 								\
303		false;									\
304	fi
305endif
306
307$(obj)/zconf.tab.o: $(obj)/zconf.lex.c $(obj)/zconf.hash.c
308
309$(obj)/qconf.o: $(obj)/qconf.moc
310
311quiet_cmd_moc = MOC     $@
312      cmd_moc = $(KC_QT_MOC) -i $< -o $@
313
314$(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck
315	$(call cmd,moc)
316
317# Extract gconf menu items for I18N support
318$(obj)/gconf.glade.h: $(obj)/gconf.glade
319	$(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \
320	$(obj)/gconf.glade
321