xref: /openbmc/u-boot/scripts/kconfig/Makefile (revision 51cb23d4) 
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	$(Q)test -e include/generated/autoksyms.h || \
48	    touch   include/generated/autoksyms.h
49	$< $(silent) --$@ $(Kconfig)
50
51localyesconfig localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
52	$(Q)mkdir -p include/config include/generated
53	$(Q)perl $< --$@ $(srctree) $(Kconfig) > .tmp.config
54	$(Q)if [ -f .config ]; then 					\
55			cmp -s .tmp.config .config ||			\
56			(mv -f .config .config.old.1;			\
57			 mv -f .tmp.config .config;			\
58			 $(obj)/conf $(silent) --silentoldconfig $(Kconfig); \
59			 mv -f .config.old.1 .config.old)		\
60	else								\
61			mv -f .tmp.config .config;			\
62			$(obj)/conf $(silent) --silentoldconfig $(Kconfig); \
63	fi
64	$(Q)rm -f .tmp.config
65
66# Create new linux.pot file
67# Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
68update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
69	$(Q)$(kecho) "  GEN     config.pot"
70	$(Q)xgettext --default-domain=linux                         \
71	    --add-comments --keyword=_ --keyword=N_                 \
72	    --from-code=UTF-8                                       \
73	    --files-from=$(srctree)/scripts/kconfig/POTFILES.in     \
74	    --directory=$(srctree) --directory=$(objtree)           \
75	    --output $(obj)/config.pot
76	$(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
77	$(Q)(for i in `ls $(srctree)/arch/*/Kconfig      \
78	    $(srctree)/arch/*/um/Kconfig`;               \
79	    do                                           \
80		$(kecho) "  GEN     $$i";                    \
81		$(obj)/kxgettext $$i                     \
82		     >> $(obj)/config.pot;               \
83	    done )
84	$(Q)$(kecho) "  GEN     linux.pot"
85	$(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
86	    --output $(obj)/linux.pot
87	$(Q)rm -f $(obj)/config.pot
88
89# These targets map 1:1 to the commandline options of 'conf'
90simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \
91	alldefconfig randconfig listnewconfig olddefconfig
92PHONY += $(simple-targets)
93
94$(simple-targets): $(obj)/conf
95	$< $(silent) --$@ $(Kconfig)
96
97PHONY += oldnoconfig savedefconfig defconfig
98
99# oldnoconfig is an alias of olddefconfig, because people already are dependent
100# on its behavior (sets new symbols to their default value but not 'n') with the
101# counter-intuitive name.
102oldnoconfig: olddefconfig
103
104savedefconfig: $(obj)/conf
105	$< $(silent) --$@=defconfig $(Kconfig)
106
107defconfig: $(obj)/conf
108ifeq ($(KBUILD_DEFCONFIG),)
109	$< $(silent) --defconfig $(Kconfig)
110else
111ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),)
112	@$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
113	$(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
114else
115	@$(kecho) "*** Default configuration is based on target '$(KBUILD_DEFCONFIG)'"
116	$(Q)$(MAKE) -f $(srctree)/Makefile $(KBUILD_DEFCONFIG)
117endif
118endif
119
120%_defconfig: $(obj)/conf
121	$(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
122
123# Added for U-Boot (backward compatibility)
124%_config: %_defconfig
125	@:
126
127configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@)
128
129%.config: $(obj)/conf
130	$(if $(call configfiles),, $(error No configuration exists for this target on this architecture))
131	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles)
132	+$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig
133
134PHONY += kvmconfig
135kvmconfig: kvm_guest.config
136	@:
137
138PHONY += xenconfig
139xenconfig: xen.config
140	@:
141
142PHONY += tinyconfig
143tinyconfig:
144	$(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config
145
146# Help text used by make help
147help:
148	@echo  '  config	  - Update current config utilising a line-oriented program'
149	@echo  '  nconfig         - Update current config utilising a ncurses menu based'
150	@echo  '                    program'
151	@echo  '  menuconfig	  - Update current config utilising a menu based program'
152	@echo  '  xconfig	  - Update current config utilising a Qt based front-end'
153	@echo  '  gconfig	  - Update current config utilising a GTK+ based front-end'
154	@echo  '  oldconfig	  - Update current config utilising a provided .config as base'
155	@echo  '  localmodconfig  - Update current config disabling modules not loaded'
156	@echo  '  localyesconfig  - Update current config converting local mods to core'
157	@echo  '  silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
158	@echo  '  defconfig	  - New config with default from ARCH supplied defconfig'
159	@echo  '  savedefconfig   - Save current config as ./defconfig (minimal config)'
160	@echo  '  allnoconfig	  - New config where all options are answered with no'
161	@echo  '  allyesconfig	  - New config where all options are accepted with yes'
162	@echo  '  allmodconfig	  - New config selecting modules when possible'
163	@echo  '  alldefconfig    - New config with all symbols set to default'
164	@echo  '  randconfig	  - New config with random answer to all options'
165	@echo  '  listnewconfig   - List new options'
166	@echo  '  olddefconfig	  - Same as silentoldconfig but sets new symbols to their'
167	@echo  '                    default value'
168#	@echo  '  kvmconfig	  - Enable additional options for kvm guest kernel support'
169#	@echo  '  xenconfig       - Enable additional options for xen dom0 and guest kernel support'
170#	@echo  '  tinyconfig	  - Configure the tiniest possible kernel'
171
172# lxdialog stuff
173check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
174
175# Use recursively expanded variables so we do not call gcc unless
176# we really need to do so. (Do not call gcc as part of make mrproper)
177HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
178                    -DLOCALE
179
180# ===========================================================================
181# Shared Makefile for the various kconfig executables:
182# conf:	  Used for defconfig, oldconfig and related targets
183# nconf:  Used for the nconfig target.
184#         Utilizes ncurses
185# mconf:  Used for the menuconfig target
186#         Utilizes the lxdialog package
187# qconf:  Used for the xconfig target
188#         Based on Qt which needs to be installed to compile it
189# gconf:  Used for the gconfig target
190#         Based on GTK+ which needs to be installed to compile it
191# object files used by all kconfig flavours
192
193lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
194lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
195
196conf-objs	:= conf.o  zconf.tab.o
197mconf-objs     := mconf.o zconf.tab.o $(lxdialog)
198nconf-objs     := nconf.o zconf.tab.o nconf.gui.o
199kxgettext-objs	:= kxgettext.o zconf.tab.o
200qconf-cxxobjs	:= qconf.o
201qconf-objs	:= zconf.tab.o
202gconf-objs	:= gconf.o zconf.tab.o
203
204hostprogs-y := conf nconf mconf kxgettext qconf gconf
205
206clean-files	:= qconf.moc .tmp_qtcheck .tmp_gtkcheck
207clean-files	+= zconf.tab.c zconf.lex.c zconf.hash.c gconf.glade.h
208clean-files     += config.pot linux.pot
209
210# Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
211PHONY += $(obj)/dochecklxdialog
212$(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
213$(obj)/dochecklxdialog:
214	$(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
215
216always := dochecklxdialog
217
218# Add environment specific flags
219HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
220
221# generated files seem to need this to find local include files
222HOSTCFLAGS_zconf.lex.o	:= -I$(src)
223HOSTCFLAGS_zconf.tab.o	:= -I$(src)
224
225LEX_PREFIX_zconf	:= zconf
226YACC_PREFIX_zconf	:= zconf
227
228HOSTLOADLIBES_qconf	= $(KC_QT_LIBS)
229HOSTCXXFLAGS_qconf.o	= $(KC_QT_CFLAGS)
230
231HOSTLOADLIBES_gconf	= `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
232HOSTCFLAGS_gconf.o	= `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
233                          -Wno-missing-prototypes
234
235HOSTLOADLIBES_mconf   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
236
237HOSTLOADLIBES_nconf	= $(shell \
238				pkg-config --libs menuw panelw ncursesw 2>/dev/null \
239				|| pkg-config --libs menu panel ncurses 2>/dev/null \
240				|| echo "-lmenu -lpanel -lncurses"  )
241$(obj)/qconf.o: $(obj)/.tmp_qtcheck
242
243ifeq ($(MAKECMDGOALS),xconfig)
244$(obj)/.tmp_qtcheck: $(src)/Makefile
245-include $(obj)/.tmp_qtcheck
246
247# Qt needs some extra effort...
248$(obj)/.tmp_qtcheck:
249	@set -e; $(kecho) "  CHECK   qt"; \
250	if pkg-config --exists Qt5Core; then \
251	    cflags="-std=c++11 -fPIC `pkg-config --cflags Qt5Core Qt5Gui Qt5Widgets`"; \
252	    libs=`pkg-config --libs Qt5Core Qt5Gui Qt5Widgets`; \
253	    moc=`pkg-config --variable=host_bins Qt5Core`/moc; \
254	elif pkg-config --exists QtCore; then \
255	    cflags=`pkg-config --cflags QtCore QtGui`; \
256	    libs=`pkg-config --libs QtCore QtGui`; \
257	    moc=`pkg-config --variable=moc_location QtCore`; \
258	else \
259	    echo >&2 "*"; \
260	    echo >&2 "* Could not find Qt via pkg-config."; \
261	    echo >&2 "* Please install either Qt 4.8 or 5.x. and make sure it's in PKG_CONFIG_PATH"; \
262	    echo >&2 "*"; \
263	    exit 1; \
264	fi; \
265	echo "KC_QT_CFLAGS=$$cflags" > $@; \
266	echo "KC_QT_LIBS=$$libs" >> $@; \
267	echo "KC_QT_MOC=$$moc" >> $@
268endif
269
270$(obj)/gconf.o: $(obj)/.tmp_gtkcheck
271
272ifeq ($(MAKECMDGOALS),gconfig)
273-include $(obj)/.tmp_gtkcheck
274
275# GTK+ needs some extra effort, too...
276$(obj)/.tmp_gtkcheck:
277	@if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then		\
278		if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then			\
279			touch $@;								\
280		else									\
281			echo >&2 "*"; 							\
282			echo >&2 "* GTK+ is present but version >= 2.0.0 is required.";	\
283			echo >&2 "*";							\
284			false;								\
285		fi									\
286	else										\
287		echo >&2 "*"; 								\
288		echo >&2 "* Unable to find the GTK+ installation. Please make sure that"; 	\
289		echo >&2 "* the GTK+ 2.0 development package is correctly installed..."; 	\
290		echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; 		\
291		echo >&2 "*"; 								\
292		false;									\
293	fi
294endif
295
296$(obj)/zconf.tab.o: $(obj)/zconf.lex.c $(obj)/zconf.hash.c
297
298$(obj)/qconf.o: $(obj)/qconf.moc
299
300quiet_cmd_moc = MOC     $@
301      cmd_moc = $(KC_QT_MOC) -i $< -o $@
302
303$(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck
304	$(call cmd,moc)
305
306# Extract gconf menu items for i18n support
307$(obj)/gconf.glade.h: $(obj)/gconf.glade
308	$(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \
309	$(obj)/gconf.glade
310