xref: /openbmc/linux/scripts/kconfig/Makefile (revision bc5aa3a0) 
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
8ifdef KBUILD_KCONFIG
9Kconfig := $(KBUILD_KCONFIG)
10else
11Kconfig := Kconfig
12endif
13
14ifeq ($(quiet),silent_)
15silent := -s
16endif
17
18# We need this, in case the user has it in its environment
19unexport CONFIG_
20
21xconfig: $(obj)/qconf
22	$< $(silent) $(Kconfig)
23
24gconfig: $(obj)/gconf
25	$< $(silent) $(Kconfig)
26
27menuconfig: $(obj)/mconf
28	$< $(silent) $(Kconfig)
29
30config: $(obj)/conf
31	$< $(silent) --oldaskconfig $(Kconfig)
32
33nconfig: $(obj)/nconf
34	$< $(silent) $(Kconfig)
35
36silentoldconfig: $(obj)/conf
37	$(Q)mkdir -p include/config include/generated
38	$< $(silent) --$@ $(Kconfig)
39
40localyesconfig localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
41	$(Q)mkdir -p include/config include/generated
42	$(Q)perl $< --$@ $(srctree) $(Kconfig) > .tmp.config
43	$(Q)if [ -f .config ]; then 					\
44			cmp -s .tmp.config .config ||			\
45			(mv -f .config .config.old.1;			\
46			 mv -f .tmp.config .config;			\
47			 $(obj)/conf $(silent) --silentoldconfig $(Kconfig); \
48			 mv -f .config.old.1 .config.old)		\
49	else								\
50			mv -f .tmp.config .config;			\
51			$(obj)/conf $(silent) --silentoldconfig $(Kconfig); \
52	fi
53	$(Q)rm -f .tmp.config
54
55# Create new linux.pot file
56# Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
57update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
58	$(Q)$(kecho) "  GEN     config.pot"
59	$(Q)xgettext --default-domain=linux                         \
60	    --add-comments --keyword=_ --keyword=N_                 \
61	    --from-code=UTF-8                                       \
62	    --files-from=$(srctree)/scripts/kconfig/POTFILES.in     \
63	    --directory=$(srctree) --directory=$(objtree)           \
64	    --output $(obj)/config.pot
65	$(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
66	$(Q)(for i in `ls $(srctree)/arch/*/Kconfig      \
67	    $(srctree)/arch/*/um/Kconfig`;               \
68	    do                                           \
69		$(kecho) "  GEN     $$i";                    \
70		$(obj)/kxgettext $$i                     \
71		     >> $(obj)/config.pot;               \
72	    done )
73	$(Q)$(kecho) "  GEN     linux.pot"
74	$(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
75	    --output $(obj)/linux.pot
76	$(Q)rm -f $(obj)/config.pot
77
78# These targets map 1:1 to the commandline options of 'conf'
79simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \
80	alldefconfig randconfig listnewconfig olddefconfig
81PHONY += $(simple-targets)
82
83$(simple-targets): $(obj)/conf
84	$< $(silent) --$@ $(Kconfig)
85
86PHONY += oldnoconfig savedefconfig defconfig
87
88# oldnoconfig is an alias of olddefconfig, because people already are dependent
89# on its behavior (sets new symbols to their default value but not 'n') with the
90# counter-intuitive name.
91oldnoconfig: olddefconfig
92
93savedefconfig: $(obj)/conf
94	$< $(silent) --$@=defconfig $(Kconfig)
95
96defconfig: $(obj)/conf
97ifeq ($(KBUILD_DEFCONFIG),)
98	$< $(silent) --defconfig $(Kconfig)
99else
100ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),)
101	@$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
102	$(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
103else
104	@$(kecho) "*** Default configuration is based on target '$(KBUILD_DEFCONFIG)'"
105	$(Q)$(MAKE) -f $(srctree)/Makefile $(KBUILD_DEFCONFIG)
106endif
107endif
108
109%_defconfig: $(obj)/conf
110	$(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
111
112configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@)
113
114%.config: $(obj)/conf
115	$(if $(call configfiles),, $(error No configuration exists for this target on this architecture))
116	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles)
117	+$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig
118
119PHONY += kvmconfig
120kvmconfig: kvm_guest.config
121	@:
122
123PHONY += xenconfig
124xenconfig: xen.config
125	@:
126
127PHONY += tinyconfig
128tinyconfig:
129	$(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config
130
131# Help text used by make help
132help:
133	@echo  '  config	  - Update current config utilising a line-oriented program'
134	@echo  '  nconfig         - Update current config utilising a ncurses menu based'
135	@echo  '                    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'
152	@echo  '                    default value'
153	@echo  '  kvmconfig	  - Enable additional options for kvm guest kernel support'
154	@echo  '  xenconfig       - Enable additional options for xen dom0 and 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; $(kecho) "  CHECK   qt"; \
235	if pkg-config --exists Qt5Core; then \
236	    cflags="-std=c++11 -fPIC `pkg-config --cflags Qt5Core Qt5Gui Qt5Widgets`"; \
237	    libs=`pkg-config --libs Qt5Core Qt5Gui Qt5Widgets`; \
238	    moc=`pkg-config --variable=host_bins Qt5Core`/moc; \
239	elif pkg-config --exists QtCore; then \
240	    cflags=`pkg-config --cflags QtCore QtGui`; \
241	    libs=`pkg-config --libs QtCore QtGui`; \
242	    moc=`pkg-config --variable=moc_location QtCore`; \
243	else \
244	    echo >&2 "*"; \
245	    echo >&2 "* Could not find Qt via pkg-config."; \
246	    echo >&2 "* Please install either Qt 4.8 or 5.x. and make sure it's in PKG_CONFIG_PATH"; \
247	    echo >&2 "*"; \
248	    exit 1; \
249	fi; \
250	echo "KC_QT_CFLAGS=$$cflags" > $@; \
251	echo "KC_QT_LIBS=$$libs" >> $@; \
252	echo "KC_QT_MOC=$$moc" >> $@
253endif
254
255$(obj)/gconf.o: $(obj)/.tmp_gtkcheck
256
257ifeq ($(MAKECMDGOALS),gconfig)
258-include $(obj)/.tmp_gtkcheck
259
260# GTK+ needs some extra effort, too...
261$(obj)/.tmp_gtkcheck:
262	@if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then		\
263		if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then			\
264			touch $@;								\
265		else									\
266			echo >&2 "*"; 							\
267			echo >&2 "* GTK+ is present but version >= 2.0.0 is required.";	\
268			echo >&2 "*";							\
269			false;								\
270		fi									\
271	else										\
272		echo >&2 "*"; 								\
273		echo >&2 "* Unable to find the GTK+ installation. Please make sure that"; 	\
274		echo >&2 "* the GTK+ 2.0 development package is correctly installed..."; 	\
275		echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; 		\
276		echo >&2 "*"; 								\
277		false;									\
278	fi
279endif
280
281$(obj)/zconf.tab.o: $(obj)/zconf.lex.c $(obj)/zconf.hash.c
282
283$(obj)/qconf.o: $(obj)/qconf.moc
284
285quiet_cmd_moc = MOC     $@
286      cmd_moc = $(KC_QT_MOC) -i $< -o $@
287
288$(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck
289	$(call cmd,moc)
290
291# Extract gconf menu items for i18n support
292$(obj)/gconf.glade.h: $(obj)/gconf.glade
293	$(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \
294	$(obj)/gconf.glade
295