xref: /openbmc/u-boot/scripts/kconfig/Makefile (revision 58d423b8)
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
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
20# We need this, in case the user has it in its environment
21unexport CONFIG_
22
23xconfig: $(obj)/qconf
24	$< $(Kconfig)
25
26gconfig: $(obj)/gconf
27	$< $(Kconfig)
28
29menuconfig: $(obj)/mconf
30	$< $(Kconfig)
31
32config: $(obj)/conf
33	$< --oldaskconfig $(Kconfig)
34
35nconfig: $(obj)/nconf
36	$< $(Kconfig)
37
38oldconfig: $(obj)/conf
39	$< --$@ $(Kconfig)
40
41silentoldconfig: $(obj)/conf
42	$(Q)mkdir -p include/config include/generated
43	$< --$@ $(Kconfig)
44
45localyesconfig localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
46	$(Q)mkdir -p include/config include/generated
47	$(Q)perl $< --$@ $(srctree) $(Kconfig) > .tmp.config
48	$(Q)if [ -f .config ]; then 					\
49			cmp -s .tmp.config .config ||			\
50			(mv -f .config .config.old.1;			\
51			 mv -f .tmp.config .config;			\
52			 $(obj)/conf --silentoldconfig $(Kconfig);	\
53			 mv -f .config.old.1 .config.old)		\
54	else								\
55			mv -f .tmp.config .config;			\
56			$(obj)/conf --silentoldconfig $(Kconfig);	\
57	fi
58	$(Q)rm -f .tmp.config
59
60# Create new linux.pot file
61# Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
62update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
63	$(Q)echo "  GEN     config.pot"
64	$(Q)xgettext --default-domain=linux                         \
65	    --add-comments --keyword=_ --keyword=N_                 \
66	    --from-code=UTF-8                                       \
67	    --files-from=$(srctree)/scripts/kconfig/POTFILES.in     \
68	    --directory=$(srctree) --directory=$(objtree)           \
69	    --output $(obj)/config.pot
70	$(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
71	$(Q)(for i in `ls $(srctree)/arch/*/Kconfig      \
72	    $(srctree)/arch/*/um/Kconfig`;               \
73	    do                                           \
74		echo "  GEN     $$i";                    \
75		$(obj)/kxgettext $$i                     \
76		     >> $(obj)/config.pot;               \
77	    done )
78	$(Q)echo "  GEN     linux.pot"
79	$(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
80	    --output $(obj)/linux.pot
81	$(Q)rm -f $(obj)/config.pot
82
83PHONY += allnoconfig allyesconfig allmodconfig alldefconfig randconfig
84
85allnoconfig allyesconfig allmodconfig alldefconfig randconfig: $(obj)/conf
86	$< --$@ $(Kconfig)
87
88PHONY += listnewconfig olddefconfig oldnoconfig savedefconfig defconfig
89
90listnewconfig olddefconfig: $(obj)/conf
91	$< --$@ $(Kconfig)
92
93# oldnoconfig is an alias of olddefconfig, because people already are dependent
94# on its behavior(sets new symbols to their default value but not 'n') with the
95# counter-intuitive name.
96oldnoconfig: $(obj)/conf
97	$< --olddefconfig $(Kconfig)
98
99savedefconfig: $(obj)/conf
100	$< --$@=defconfig $(Kconfig)
101
102defconfig: $(obj)/conf
103ifeq ($(KBUILD_DEFCONFIG),)
104	$< --defconfig $(Kconfig)
105else
106	@echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
107	$(Q)$< --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
108endif
109
110%_defconfig: $(obj)/conf
111	$(Q)$< --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
112
113# Added for U-Boot (backward compatibility)
114%_config: %_defconfig
115	@:
116
117configfiles=$(wildcard $(srctree)/kernel/configs/$(1).config $(srctree)/arch/$(SRCARCH)/configs/$(1).config)
118
119define mergeconfig
120$(if $(wildcard $(objtree)/.config),, $(error You need an existing .config for this target))
121$(if $(call configfiles,$(1)),, $(error No configuration exists for this target on this architecture))
122$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m -O $(objtree) $(objtree)/.config $(call configfiles,$(1))
123$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig
124endef
125
126PHONY += kvmconfig
127kvmconfig:
128	$(call mergeconfig,kvm_guest)
129
130PHONY += tinyconfig
131tinyconfig: allnoconfig
132	$(call mergeconfig,tiny)
133
134# Help text used by make help
135help:
136	@echo  '  config	  - Update current config utilising a line-oriented program'
137	@echo  '  nconfig         - Update current config utilising a ncurses menu based program'
138	@echo  '  menuconfig	  - Update current config utilising a menu based program'
139	@echo  '  xconfig	  - Update current config utilising a QT based front-end'
140	@echo  '  gconfig	  - Update current config utilising a GTK based front-end'
141	@echo  '  oldconfig	  - Update current config utilising a provided .config as base'
142	@echo  '  localmodconfig  - Update current config disabling modules not loaded'
143	@echo  '  localyesconfig  - Update current config converting local mods to core'
144	@echo  '  silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
145	@echo  '  defconfig	  - New config with default from ARCH supplied defconfig'
146	@echo  '  savedefconfig   - Save current config as ./defconfig (minimal config)'
147	@echo  '  allnoconfig	  - New config where all options are answered with no'
148	@echo  '  allyesconfig	  - New config where all options are accepted with yes'
149	@echo  '  allmodconfig	  - New config selecting modules when possible'
150	@echo  '  alldefconfig    - New config with all symbols set to default'
151	@echo  '  randconfig	  - New config with random answer to all options'
152	@echo  '  listnewconfig   - List new options'
153	@echo  '  olddefconfig	  - Same as silentoldconfig but sets new symbols to their default value'
154#	@echo  '  kvmconfig	  - Enable additional options for guest kernel support'
155#	@echo  '  tinyconfig	  - Configure the tiniest possible kernel'
156
157# lxdialog stuff
158check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
159
160# Use recursively expanded variables so we do not call gcc unless
161# we really need to do so. (Do not call gcc as part of make mrproper)
162HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
163                    -DLOCALE
164
165# ===========================================================================
166# Shared Makefile for the various kconfig executables:
167# conf:	  Used for defconfig, oldconfig and related targets
168# nconf:  Used for the nconfig target.
169#         Utilizes ncurses
170# mconf:  Used for the menuconfig target
171#         Utilizes the lxdialog package
172# qconf:  Used for the xconfig target
173#         Based on QT which needs to be installed to compile it
174# gconf:  Used for the gconfig target
175#         Based on GTK which needs to be installed to compile it
176# object files used by all kconfig flavours
177
178lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
179lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
180
181conf-objs	:= conf.o  zconf.tab.o
182mconf-objs     := mconf.o zconf.tab.o $(lxdialog)
183nconf-objs     := nconf.o zconf.tab.o nconf.gui.o
184kxgettext-objs	:= kxgettext.o zconf.tab.o
185qconf-cxxobjs	:= qconf.o
186qconf-objs	:= zconf.tab.o
187gconf-objs	:= gconf.o zconf.tab.o
188
189hostprogs-y := conf nconf mconf kxgettext qconf gconf
190
191clean-files	:= qconf.moc .tmp_qtcheck .tmp_gtkcheck
192clean-files	+= zconf.tab.c zconf.lex.c zconf.hash.c gconf.glade.h
193clean-files     += config.pot linux.pot
194
195# Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
196PHONY += $(obj)/dochecklxdialog
197$(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
198$(obj)/dochecklxdialog:
199	$(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
200
201always := dochecklxdialog
202
203# Add environment specific flags
204HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
205
206# generated files seem to need this to find local include files
207HOSTCFLAGS_zconf.lex.o	:= -I$(src)
208HOSTCFLAGS_zconf.tab.o	:= -I$(src)
209
210LEX_PREFIX_zconf	:= zconf
211YACC_PREFIX_zconf	:= zconf
212
213HOSTLOADLIBES_qconf	= $(KC_QT_LIBS)
214HOSTCXXFLAGS_qconf.o	= $(KC_QT_CFLAGS)
215
216HOSTLOADLIBES_gconf	= `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
217HOSTCFLAGS_gconf.o	= `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
218                          -Wno-missing-prototypes
219
220HOSTLOADLIBES_mconf   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
221
222HOSTLOADLIBES_nconf	= $(shell \
223				pkg-config --libs menuw panelw ncursesw 2>/dev/null \
224				|| pkg-config --libs menu panel ncurses 2>/dev/null \
225				|| echo "-lmenu -lpanel -lncurses"  )
226$(obj)/qconf.o: $(obj)/.tmp_qtcheck
227
228ifeq ($(MAKECMDGOALS),xconfig)
229$(obj)/.tmp_qtcheck: $(src)/Makefile
230-include $(obj)/.tmp_qtcheck
231
232# QT needs some extra effort...
233$(obj)/.tmp_qtcheck:
234	@set -e; echo "  CHECK   qt"; dir=""; pkg=""; \
235	if ! pkg-config --exists QtCore 2> /dev/null; then \
236	    echo "* Unable to find the QT4 tool qmake. Trying to use QT3"; \
237	    pkg-config --exists qt 2> /dev/null && pkg=qt; \
238	    pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
239	    if [ -n "$$pkg" ]; then \
240	      cflags="\$$(shell pkg-config $$pkg --cflags)"; \
241	      libs="\$$(shell pkg-config $$pkg --libs)"; \
242	      moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
243	      dir="$$(pkg-config $$pkg --variable=prefix)"; \
244	    else \
245	      for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
246	        if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
247	      done; \
248	      if [ -z "$$dir" ]; then \
249	        echo >&2 "*"; \
250	        echo >&2 "* Unable to find any QT installation. Please make sure that"; \
251	        echo >&2 "* the QT4 or QT3 development package is correctly installed and"; \
252	        echo >&2 "* either qmake can be found or install pkg-config or set"; \
253	        echo >&2 "* the QTDIR environment variable to the correct location."; \
254	        echo >&2 "*"; \
255	        false; \
256	      fi; \
257	      libpath=$$dir/lib; lib=qt; osdir=""; \
258	      $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
259	        osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
260	      test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
261	      test -f $$libpath/libqt-mt.so && lib=qt-mt; \
262	      cflags="-I$$dir/include"; \
263	      libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
264	      moc="$$dir/bin/moc"; \
265	    fi; \
266	    if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
267	      echo "*"; \
268	      echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
269	      echo "*"; \
270	      moc="/usr/bin/moc"; \
271	    fi; \
272	else \
273	  cflags="\$$(shell pkg-config QtCore QtGui Qt3Support --cflags)"; \
274	  libs="\$$(shell pkg-config QtCore QtGui Qt3Support --libs)"; \
275	  moc="\$$(shell pkg-config QtCore --variable=moc_location)"; \
276	  [ -n "$$moc" ] || moc="\$$(shell pkg-config QtCore --variable=prefix)/bin/moc"; \
277	fi; \
278	echo "KC_QT_CFLAGS=$$cflags" > $@; \
279	echo "KC_QT_LIBS=$$libs" >> $@; \
280	echo "KC_QT_MOC=$$moc" >> $@
281endif
282
283$(obj)/gconf.o: $(obj)/.tmp_gtkcheck
284
285ifeq ($(MAKECMDGOALS),gconfig)
286-include $(obj)/.tmp_gtkcheck
287
288# GTK needs some extra effort, too...
289$(obj)/.tmp_gtkcheck:
290	@if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then		\
291		if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then			\
292			touch $@;								\
293		else									\
294			echo >&2 "*"; 							\
295			echo >&2 "* GTK+ is present but version >= 2.0.0 is required.";	\
296			echo >&2 "*";							\
297			false;								\
298		fi									\
299	else										\
300		echo >&2 "*"; 								\
301		echo >&2 "* Unable to find the GTK+ installation. Please make sure that"; 	\
302		echo >&2 "* the GTK+ 2.0 development package is correctly installed..."; 	\
303		echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; 		\
304		echo >&2 "*"; 								\
305		false;									\
306	fi
307endif
308
309$(obj)/zconf.tab.o: $(obj)/zconf.lex.c $(obj)/zconf.hash.c
310
311$(obj)/qconf.o: $(obj)/qconf.moc
312
313quiet_cmd_moc = MOC     $@
314      cmd_moc = $(KC_QT_MOC) -i $< -o $@
315
316$(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck
317	$(call cmd,moc)
318
319# Extract gconf menu items for I18N support
320$(obj)/gconf.glade.h: $(obj)/gconf.glade
321	$(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \
322	$(obj)/gconf.glade
323