xref: /openbmc/u-boot/scripts/kconfig/Makefile (revision 9ec4a67e)
1# ===========================================================================
2# Kernel configuration targets
3# These targets are used from top-level makefile
4#
5# SPDX-License-Identifier:	GPL-2.0
6#
7
8PHONY += xconfig gconfig menuconfig config silentoldconfig update-po-config \
9	localmodconfig localyesconfig
10
11# Added for U-Boot
12#  Linux has defconfig files in arch/$(SRCARCH)/configs/,
13#  on the other hand, U-Boot does in configs/.
14#  Set SRCARCH to .. fake this Makefile.
15SRCARCH := ..
16
17ifdef KBUILD_KCONFIG
18Kconfig := $(KBUILD_KCONFIG)
19else
20Kconfig := Kconfig
21endif
22
23ifeq ($(quiet),silent_)
24silent := -s
25endif
26
27# We need this, in case the user has it in its environment
28unexport CONFIG_
29
30xconfig: $(obj)/qconf
31	$< $(silent) $(Kconfig)
32
33gconfig: $(obj)/gconf
34	$< $(silent) $(Kconfig)
35
36menuconfig: $(obj)/mconf
37	$< $(silent) $(Kconfig)
38
39config: $(obj)/conf
40	$< $(silent) --oldaskconfig $(Kconfig)
41
42nconfig: $(obj)/nconf
43	$< $(silent) $(Kconfig)
44
45silentoldconfig: $(obj)/conf
46	$(Q)mkdir -p include/config include/generated
47	$< $(silent) --$@ $(Kconfig)
48
49localyesconfig localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
50	$(Q)mkdir -p include/config include/generated
51	$(Q)perl $< --$@ $(srctree) $(Kconfig) > .tmp.config
52	$(Q)if [ -f .config ]; then 					\
53			cmp -s .tmp.config .config ||			\
54			(mv -f .config .config.old.1;			\
55			 mv -f .tmp.config .config;			\
56			 $(obj)/conf $(silent) --silentoldconfig $(Kconfig); \
57			 mv -f .config.old.1 .config.old)		\
58	else								\
59			mv -f .tmp.config .config;			\
60			$(obj)/conf $(silent) --silentoldconfig $(Kconfig); \
61	fi
62	$(Q)rm -f .tmp.config
63
64# Create new linux.pot file
65# Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
66update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
67	$(Q)$(kecho) "  GEN     config.pot"
68	$(Q)xgettext --default-domain=linux                         \
69	    --add-comments --keyword=_ --keyword=N_                 \
70	    --from-code=UTF-8                                       \
71	    --files-from=$(srctree)/scripts/kconfig/POTFILES.in     \
72	    --directory=$(srctree) --directory=$(objtree)           \
73	    --output $(obj)/config.pot
74	$(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
75	$(Q)(for i in `ls $(srctree)/arch/*/Kconfig      \
76	    $(srctree)/arch/*/um/Kconfig`;               \
77	    do                                           \
78		$(kecho) "  GEN     $$i";                    \
79		$(obj)/kxgettext $$i                     \
80		     >> $(obj)/config.pot;               \
81	    done )
82	$(Q)$(kecho) "  GEN     linux.pot"
83	$(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
84	    --output $(obj)/linux.pot
85	$(Q)rm -f $(obj)/config.pot
86
87# These targets map 1:1 to the commandline options of 'conf'
88simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \
89	alldefconfig randconfig listnewconfig olddefconfig
90PHONY += $(simple-targets)
91
92$(simple-targets): $(obj)/conf
93	$< $(silent) --$@ $(Kconfig)
94
95PHONY += oldnoconfig savedefconfig defconfig
96
97# oldnoconfig is an alias of olddefconfig, because people already are dependent
98# on its behavior(sets new symbols to their default value but not 'n') with the
99# counter-intuitive name.
100oldnoconfig: olddefconfig
101
102savedefconfig: $(obj)/conf
103	$< $(silent) --$@=defconfig $(Kconfig)
104
105defconfig: $(obj)/conf
106ifeq ($(KBUILD_DEFCONFIG),)
107	$< $(silent) --defconfig $(Kconfig)
108else
109	@$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
110	$(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
111endif
112
113%_defconfig: $(obj)/conf
114	$(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
115
116# Added for U-Boot (backward compatibility)
117%_config: %_defconfig
118	@:
119
120configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@)
121
122%.config: $(obj)/conf
123	$(if $(call configfiles),, $(error No configuration exists for this target on this architecture))
124	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles)
125	+$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig
126
127PHONY += kvmconfig
128kvmconfig: kvm_guest.config
129	@:
130
131PHONY += tinyconfig
132tinyconfig:
133	$(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config
134
135# Help text used by make help
136help:
137	@echo  '  config	  - Update current config utilising a line-oriented program'
138	@echo  '  nconfig         - Update current config utilising a ncurses menu based program'
139	@echo  '  menuconfig	  - Update current config utilising a menu based program'
140	@echo  '  xconfig	  - Update current config utilising a QT based front-end'
141	@echo  '  gconfig	  - Update current config utilising a GTK based front-end'
142	@echo  '  oldconfig	  - Update current config utilising a provided .config as base'
143	@echo  '  localmodconfig  - Update current config disabling modules not loaded'
144	@echo  '  localyesconfig  - Update current config converting local mods to core'
145	@echo  '  silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
146	@echo  '  defconfig	  - New config with default from ARCH supplied defconfig'
147	@echo  '  savedefconfig   - Save current config as ./defconfig (minimal config)'
148	@echo  '  allnoconfig	  - New config where all options are answered with no'
149	@echo  '  allyesconfig	  - New config where all options are accepted with yes'
150	@echo  '  allmodconfig	  - New config selecting modules when possible'
151	@echo  '  alldefconfig    - New config with all symbols set to default'
152	@echo  '  randconfig	  - New config with random answer to all options'
153	@echo  '  listnewconfig   - List new options'
154	@echo  '  olddefconfig	  - Same as silentoldconfig but sets new symbols to their default value'
155#	@echo  '  kvmconfig	  - Enable additional options for guest kernel support'
156#	@echo  '  tinyconfig	  - Configure the tiniest possible kernel'
157
158# lxdialog stuff
159check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
160
161# Use recursively expanded variables so we do not call gcc unless
162# we really need to do so. (Do not call gcc as part of make mrproper)
163HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
164                    -DLOCALE
165
166# ===========================================================================
167# Shared Makefile for the various kconfig executables:
168# conf:	  Used for defconfig, oldconfig and related targets
169# nconf:  Used for the nconfig target.
170#         Utilizes ncurses
171# mconf:  Used for the menuconfig target
172#         Utilizes the lxdialog package
173# qconf:  Used for the xconfig target
174#         Based on QT which needs to be installed to compile it
175# gconf:  Used for the gconfig target
176#         Based on GTK which needs to be installed to compile it
177# object files used by all kconfig flavours
178
179lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
180lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
181
182conf-objs	:= conf.o  zconf.tab.o
183mconf-objs     := mconf.o zconf.tab.o $(lxdialog)
184nconf-objs     := nconf.o zconf.tab.o nconf.gui.o
185kxgettext-objs	:= kxgettext.o zconf.tab.o
186qconf-cxxobjs	:= qconf.o
187qconf-objs	:= zconf.tab.o
188gconf-objs	:= gconf.o zconf.tab.o
189
190hostprogs-y := conf nconf mconf kxgettext qconf gconf
191
192clean-files	:= qconf.moc .tmp_qtcheck .tmp_gtkcheck
193clean-files	+= zconf.tab.c zconf.lex.c zconf.hash.c gconf.glade.h
194clean-files     += config.pot linux.pot
195
196# Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
197PHONY += $(obj)/dochecklxdialog
198$(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
199$(obj)/dochecklxdialog:
200	$(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
201
202always := dochecklxdialog
203
204# Add environment specific flags
205HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
206
207# generated files seem to need this to find local include files
208HOSTCFLAGS_zconf.lex.o	:= -I$(src)
209HOSTCFLAGS_zconf.tab.o	:= -I$(src)
210
211LEX_PREFIX_zconf	:= zconf
212YACC_PREFIX_zconf	:= zconf
213
214HOSTLOADLIBES_qconf	= $(KC_QT_LIBS)
215HOSTCXXFLAGS_qconf.o	= $(KC_QT_CFLAGS)
216
217HOSTLOADLIBES_gconf	= `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
218HOSTCFLAGS_gconf.o	= `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
219                          -Wno-missing-prototypes
220
221HOSTLOADLIBES_mconf   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
222
223HOSTLOADLIBES_nconf	= $(shell \
224				pkg-config --libs menuw panelw ncursesw 2>/dev/null \
225				|| pkg-config --libs menu panel ncurses 2>/dev/null \
226				|| echo "-lmenu -lpanel -lncurses"  )
227$(obj)/qconf.o: $(obj)/.tmp_qtcheck
228
229ifeq ($(MAKECMDGOALS),xconfig)
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; $(kecho) "  CHECK   qt"; dir=""; pkg=""; \
236	if ! pkg-config --exists QtCore 2> /dev/null; then \
237	    echo "* Unable to find the QT4 tool qmake. Trying to use QT3"; \
238	    pkg-config --exists qt 2> /dev/null && pkg=qt; \
239	    pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
240	    if [ -n "$$pkg" ]; then \
241	      cflags="\$$(shell pkg-config $$pkg --cflags)"; \
242	      libs="\$$(shell pkg-config $$pkg --libs)"; \
243	      moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
244	      dir="$$(pkg-config $$pkg --variable=prefix)"; \
245	    else \
246	      for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
247	        if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
248	      done; \
249	      if [ -z "$$dir" ]; then \
250	        echo >&2 "*"; \
251	        echo >&2 "* Unable to find any QT installation. Please make sure that"; \
252	        echo >&2 "* the QT4 or QT3 development package is correctly installed and"; \
253	        echo >&2 "* either qmake can be found or install pkg-config or set"; \
254	        echo >&2 "* the QTDIR environment variable to the correct location."; \
255	        echo >&2 "*"; \
256	        false; \
257	      fi; \
258	      libpath=$$dir/lib; lib=qt; osdir=""; \
259	      $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
260	        osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
261	      test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
262	      test -f $$libpath/libqt-mt.so && lib=qt-mt; \
263	      cflags="-I$$dir/include"; \
264	      libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
265	      moc="$$dir/bin/moc"; \
266	    fi; \
267	    if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
268	      echo "*"; \
269	      echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
270	      echo "*"; \
271	      moc="/usr/bin/moc"; \
272	    fi; \
273	else \
274	  cflags="\$$(shell pkg-config QtCore QtGui Qt3Support --cflags)"; \
275	  libs="\$$(shell pkg-config QtCore QtGui Qt3Support --libs)"; \
276	  moc="\$$(shell pkg-config QtCore --variable=moc_location)"; \
277	  [ -n "$$moc" ] || moc="\$$(shell pkg-config QtCore --variable=prefix)/bin/moc"; \
278	fi; \
279	echo "KC_QT_CFLAGS=$$cflags" > $@; \
280	echo "KC_QT_LIBS=$$libs" >> $@; \
281	echo "KC_QT_MOC=$$moc" >> $@
282endif
283
284$(obj)/gconf.o: $(obj)/.tmp_gtkcheck
285
286ifeq ($(MAKECMDGOALS),gconfig)
287-include $(obj)/.tmp_gtkcheck
288
289# GTK needs some extra effort, too...
290$(obj)/.tmp_gtkcheck:
291	@if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then		\
292		if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then			\
293			touch $@;								\
294		else									\
295			echo >&2 "*"; 							\
296			echo >&2 "* GTK+ is present but version >= 2.0.0 is required.";	\
297			echo >&2 "*";							\
298			false;								\
299		fi									\
300	else										\
301		echo >&2 "*"; 								\
302		echo >&2 "* Unable to find the GTK+ installation. Please make sure that"; 	\
303		echo >&2 "* the GTK+ 2.0 development package is correctly installed..."; 	\
304		echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; 		\
305		echo >&2 "*"; 								\
306		false;									\
307	fi
308endif
309
310$(obj)/zconf.tab.o: $(obj)/zconf.lex.c $(obj)/zconf.hash.c
311
312$(obj)/qconf.o: $(obj)/qconf.moc
313
314quiet_cmd_moc = MOC     $@
315      cmd_moc = $(KC_QT_MOC) -i $< -o $@
316
317$(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck
318	$(call cmd,moc)
319
320# Extract gconf menu items for I18N support
321$(obj)/gconf.glade.h: $(obj)/gconf.glade
322	$(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \
323	$(obj)/gconf.glade
324