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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
8ifdef KBUILD_KCONFIG
9Kconfig := $(KBUILD_KCONFIG)
10else
11Kconfig := Kconfig
12endif
13
14xconfig: $(obj)/qconf
15 $< $(Kconfig)
16
17gconfig: $(obj)/gconf
18 $< $(Kconfig)
19
20menuconfig: $(obj)/mconf
21 $< $(Kconfig)
22
23config: $(obj)/conf
24 $< --oldaskconfig $(Kconfig)
25
26nconfig: $(obj)/nconf
27 $< $(Kconfig)
28
29oldconfig: $(obj)/conf
30 $< --$@ $(Kconfig)
31
32silentoldconfig: $(obj)/conf
33 $(Q)mkdir -p include/generated
34 $< --$@ $(Kconfig)
35
36# if no path is given, then use src directory to find file
37ifdef LSMOD
38LSMOD_F := $(LSMOD)
39ifeq ($(findstring /,$(LSMOD)),)
40 LSMOD_F := $(objtree)/$(LSMOD)
41endif
42endif
43
44localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
45 $(Q)mkdir -p include/generated
46 $(Q)perl $< $(srctree) $(Kconfig) $(LSMOD_F) > .tmp.config
47 $(Q)if [ -f .config ]; then \
48 cmp -s .tmp.config .config || \
49 (mv -f .config .config.old.1; \
50 mv -f .tmp.config .config; \
51 $(obj)/conf --silentoldconfig $(Kconfig); \
52 mv -f .config.old.1 .config.old) \
53 else \
54 mv -f .tmp.config .config; \
55 $(obj)/conf --silentoldconfig $(Kconfig); \
56 fi
57 $(Q)rm -f .tmp.config
58
59localyesconfig: $(obj)/streamline_config.pl $(obj)/conf
60 $(Q)mkdir -p include/generated
61 $(Q)perl $< $(srctree) $(Kconfig) $(LSMOD_F) > .tmp.config
62 $(Q)sed -i s/=m/=y/ .tmp.config
63 $(Q)if [ -f .config ]; then \
64 cmp -s .tmp.config .config || \
65 (mv -f .config .config.old.1; \
66 mv -f .tmp.config .config; \
67 $(obj)/conf --silentoldconfig $(Kconfig); \
68 mv -f .config.old.1 .config.old) \
69 else \
70 mv -f .tmp.config .config; \
71 $(obj)/conf --silentoldconfig $(Kconfig); \
72 fi
73 $(Q)rm -f .tmp.config
74
75# Create new linux.pot file
76# Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
77# The symlink is used to repair a deficiency in arch/um
78update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
79 $(Q)echo " GEN config"
80 $(Q)xgettext --default-domain=linux \
81 --add-comments --keyword=_ --keyword=N_ \
82 --from-code=UTF-8 \
83 --files-from=$(srctree)/scripts/kconfig/POTFILES.in \
84 --directory=$(srctree) --directory=$(objtree) \
85 --output $(obj)/config.pot
86 $(Q)sed -i s/CHARSET/UTF-8 $(obj)/config.pot
87 $(Q)ln -fs Kconfig.x86 arch/um/Kconfig
88 $(Q)(for i in `ls $(srctree)/arch/*/Kconfig`; \
89 do \
90 echo " GEN $$i"; \
91 $(obj)/kxgettext $$i \
92 >> $(obj)/config.pot; \
93 done )
94 $(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
95 --output $(obj)/linux.pot
96 $(Q)rm -f $(srctree)/arch/um/Kconfig
97 $(Q)rm -f $(obj)/config.pot
98
99PHONY += allnoconfig allyesconfig allmodconfig alldefconfig randconfig
100
101allnoconfig allyesconfig allmodconfig alldefconfig randconfig: $(obj)/conf
102 $< --$@ $(Kconfig)
103
104PHONY += listnewconfig oldnoconfig savedefconfig defconfig
105
106listnewconfig oldnoconfig: $(obj)/conf
107 $< --$@ $(Kconfig)
108
109savedefconfig: $(obj)/conf
110 $< --$@=defconfig $(Kconfig)
111
112defconfig: $(obj)/conf
113ifeq ($(KBUILD_DEFCONFIG),)
114 $< --defconfig $(Kconfig)
115else
116 @echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
117 $(Q)$< --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
118endif
119
120%_defconfig: $(obj)/conf
121 $(Q)$< --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
122
123# Help text used by make help
124help:
125 @echo ' config - Update current config utilising a line-oriented program'
126 @echo ' nconfig - Update current config utilising a ncurses menu based program'
127 @echo ' menuconfig - Update current config utilising a menu based program'
128 @echo ' xconfig - Update current config utilising a QT based front-end'
129 @echo ' gconfig - Update current config utilising a GTK based front-end'
130 @echo ' oldconfig - Update current config utilising a provided .config as base'
131 @echo ' localmodconfig - Update current config disabling modules not loaded'
132 @echo ' localyesconfig - Update current config converting local mods to core'
133 @echo ' silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
134 @echo ' defconfig - New config with default from ARCH supplied defconfig'
135 @echo ' savedefconfig - Save current config as ./defconfig (minimal config)'
136 @echo ' allnoconfig - New config where all options are answered with no'
137 @echo ' allyesconfig - New config where all options are accepted with yes'
138 @echo ' allmodconfig - New config selecting modules when possible'
139 @echo ' alldefconfig - New config with all symbols set to default'
140 @echo ' randconfig - New config with random answer to all options'
141 @echo ' listnewconfig - List new options'
142 @echo ' oldnoconfig - Same as silentoldconfig but set new symbols to n (unset)'
143
144# lxdialog stuff
145check-lxdialog := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
146
147# Use recursively expanded variables so we do not call gcc unless
148# we really need to do so. (Do not call gcc as part of make mrproper)
149HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
150 -DLOCALE
151
152# ===========================================================================
153# Shared Makefile for the various kconfig executables:
154# conf: Used for defconfig, oldconfig and related targets
155# nconf: Used for the nconfig target.
156# Utilizes ncurses
157# mconf: Used for the menuconfig target
158# Utilizes the lxdialog package
159# qconf: Used for the xconfig target
160# Based on QT which needs to be installed to compile it
161# gconf: Used for the gconfig target
162# Based on GTK which needs to be installed to compile it
163# object files used by all kconfig flavours
164
165lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
166lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
167
168conf-objs := conf.o zconf.tab.o
169mconf-objs := mconf.o zconf.tab.o $(lxdialog)
170nconf-objs := nconf.o zconf.tab.o nconf.gui.o
171kxgettext-objs := kxgettext.o zconf.tab.o
172qconf-cxxobjs := qconf.o
173qconf-objs := zconf.tab.o
174gconf-objs := gconf.o zconf.tab.o
175
176hostprogs-y := conf
177
178ifeq ($(MAKECMDGOALS),nconfig)
179 hostprogs-y += nconf
180endif
181
182ifeq ($(MAKECMDGOALS),menuconfig)
183 hostprogs-y += mconf
184endif
185
186ifeq ($(MAKECMDGOALS),update-po-config)
187 hostprogs-y += kxgettext
188endif
189
190ifeq ($(MAKECMDGOALS),xconfig)
191 qconf-target := 1
192endif
193ifeq ($(MAKECMDGOALS),gconfig)
194 gconf-target := 1
195endif
196
197
198ifeq ($(qconf-target),1)
199 hostprogs-y += qconf
200endif
201
202ifeq ($(gconf-target),1)
203 hostprogs-y += gconf
204endif
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 += mconf qconf gconf nconf
209clean-files += config.pot linux.pot
210
211# Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
212PHONY += $(obj)/dochecklxdialog
213$(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
214$(obj)/dochecklxdialog:
215 $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
216
217always := dochecklxdialog
218
219# Add environment specific flags
220HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
221
222# generated files seem to need this to find local include files
223HOSTCFLAGS_zconf.lex.o := -I$(src)
224HOSTCFLAGS_zconf.tab.o := -I$(src)
225
226LEX_PREFIX_zconf := zconf
227YACC_PREFIX_zconf := zconf
228
229HOSTLOADLIBES_qconf = $(KC_QT_LIBS)
230HOSTCXXFLAGS_qconf.o = $(KC_QT_CFLAGS)
231
232HOSTLOADLIBES_gconf = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
233HOSTCFLAGS_gconf.o = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
234 -Wno-missing-prototypes
235
236HOSTLOADLIBES_mconf = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
237
238HOSTLOADLIBES_nconf = -lmenu -lpanel -lncurses
239$(obj)/qconf.o: $(obj)/.tmp_qtcheck
240
241ifeq ($(qconf-target),1)
242$(obj)/.tmp_qtcheck: $(src)/Makefile
243-include $(obj)/.tmp_qtcheck
244
245# QT needs some extra effort...
246$(obj)/.tmp_qtcheck:
247 @set -e; echo " CHECK qt"; dir=""; pkg=""; \
248 if ! pkg-config --exists QtCore 2> /dev/null; then \
249 echo "* Unable to find the QT4 tool qmake. Trying to use QT3"; \
250 pkg-config --exists qt 2> /dev/null && pkg=qt; \
251 pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
252 if [ -n "$$pkg" ]; then \
253 cflags="\$$(shell pkg-config $$pkg --cflags)"; \
254 libs="\$$(shell pkg-config $$pkg --libs)"; \
255 moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
256 dir="$$(pkg-config $$pkg --variable=prefix)"; \
257 else \
258 for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
259 if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
260 done; \
261 if [ -z "$$dir" ]; then \
262 echo "*"; \
263 echo "* Unable to find any QT installation. Please make sure that"; \
264 echo "* the QT4 or QT3 development package is correctly installed and"; \
265 echo "* either qmake can be found or install pkg-config or set"; \
266 echo "* the QTDIR environment variable to the correct location."; \
267 echo "*"; \
268 false; \
269 fi; \
270 libpath=$$dir/lib; lib=qt; osdir=""; \
271 $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
272 osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
273 test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
274 test -f $$libpath/libqt-mt.so && lib=qt-mt; \
275 cflags="-I$$dir/include"; \
276 libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
277 moc="$$dir/bin/moc"; \
278 fi; \
279 if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
280 echo "*"; \
281 echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
282 echo "*"; \
283 moc="/usr/bin/moc"; \
284 fi; \
285 else \
286 cflags="\$$(shell pkg-config QtCore QtGui Qt3Support --cflags)"; \
287 libs="\$$(shell pkg-config QtCore QtGui Qt3Support --libs)"; \
288 binpath="\$$(shell pkg-config QtCore --variable=prefix)"; \
289 moc="$$binpath/bin/moc"; \
290 fi; \
291 echo "KC_QT_CFLAGS=$$cflags" > $@; \
292 echo "KC_QT_LIBS=$$libs" >> $@; \
293 echo "KC_QT_MOC=$$moc" >> $@
294endif
295
296$(obj)/gconf.o: $(obj)/.tmp_gtkcheck
297
298ifeq ($(gconf-target),1)
299-include $(obj)/.tmp_gtkcheck
300
301# GTK needs some extra effort, too...
302$(obj)/.tmp_gtkcheck:
303 @if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then \
304 if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then \
305 touch $@; \
306 else \
307 echo "*"; \
308 echo "* GTK+ is present but version >= 2.0.0 is required."; \
309 echo "*"; \
310 false; \
311 fi \
312 else \
313 echo "*"; \
314 echo "* Unable to find the GTK+ installation. Please make sure that"; \
315 echo "* the GTK+ 2.0 development package is correctly installed..."; \
316 echo "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; \
317 echo "*"; \
318 false; \
319 fi
320endif
321
322$(obj)/zconf.tab.o: $(obj)/zconf.lex.c $(obj)/zconf.hash.c
323
324$(obj)/qconf.o: $(obj)/qconf.moc
325
326$(obj)/%.moc: $(src)/%.h
327 $(KC_QT_MOC) -i $< -o $@
328
329# Extract gconf menu items for I18N support
330$(obj)/gconf.glade.h: $(obj)/gconf.glade
331 $(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \
332 $(obj)/gconf.glade
333
1# SPDX-License-Identifier: GPL-2.0
2# ===========================================================================
3# Kernel configuration targets
4# These targets are used from top-level makefile
5
6PHONY += xconfig gconfig menuconfig config localmodconfig localyesconfig \
7 build_menuconfig build_nconfig build_gconfig build_xconfig
8
9ifdef KBUILD_KCONFIG
10Kconfig := $(KBUILD_KCONFIG)
11else
12Kconfig := Kconfig
13endif
14
15ifndef KBUILD_DEFCONFIG
16KBUILD_DEFCONFIG := defconfig
17endif
18
19ifeq ($(quiet),silent_)
20silent := -s
21endif
22
23# We need this, in case the user has it in its environment
24unexport CONFIG_
25
26xconfig: $(obj)/qconf
27 $< $(silent) $(Kconfig)
28
29gconfig: $(obj)/gconf
30 $< $(silent) $(Kconfig)
31
32menuconfig: $(obj)/mconf
33 $< $(silent) $(Kconfig)
34
35config: $(obj)/conf
36 $< $(silent) --oldaskconfig $(Kconfig)
37
38nconfig: $(obj)/nconf
39 $< $(silent) $(Kconfig)
40
41build_menuconfig: $(obj)/mconf
42
43build_nconfig: $(obj)/nconf
44
45build_gconfig: $(obj)/gconf
46
47build_xconfig: $(obj)/qconf
48
49localyesconfig localmodconfig: $(obj)/conf
50 $(Q)perl $(srctree)/$(src)/streamline_config.pl --$@ $(srctree) $(Kconfig) > .tmp.config
51 $(Q)if [ -f .config ]; then \
52 cmp -s .tmp.config .config || \
53 (mv -f .config .config.old.1; \
54 mv -f .tmp.config .config; \
55 $< $(silent) --oldconfig $(Kconfig); \
56 mv -f .config.old.1 .config.old) \
57 else \
58 mv -f .tmp.config .config; \
59 $< $(silent) --oldconfig $(Kconfig); \
60 fi
61 $(Q)rm -f .tmp.config
62
63# These targets map 1:1 to the commandline options of 'conf'
64#
65# Note:
66# syncconfig has become an internal implementation detail and is now
67# deprecated for external use
68simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \
69 alldefconfig randconfig listnewconfig olddefconfig syncconfig
70PHONY += $(simple-targets)
71
72$(simple-targets): $(obj)/conf
73 $< $(silent) --$@ $(Kconfig)
74
75PHONY += savedefconfig defconfig
76
77savedefconfig: $(obj)/conf
78 $< $(silent) --$@=defconfig $(Kconfig)
79
80defconfig: $(obj)/conf
81ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),)
82 @$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
83 $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
84else
85 @$(kecho) "*** Default configuration is based on target '$(KBUILD_DEFCONFIG)'"
86 $(Q)$(MAKE) -f $(srctree)/Makefile $(KBUILD_DEFCONFIG)
87endif
88
89%_defconfig: $(obj)/conf
90 $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
91
92configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@)
93
94%.config: $(obj)/conf
95 $(if $(call configfiles),, $(error No configuration exists for this target on this architecture))
96 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles)
97 $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
98
99PHONY += kvmconfig
100kvmconfig: kvm_guest.config
101 @:
102
103PHONY += xenconfig
104xenconfig: xen.config
105 @:
106
107PHONY += tinyconfig
108tinyconfig:
109 $(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config
110
111# CHECK: -o cache_dir=<path> working?
112PHONY += testconfig
113testconfig: $(obj)/conf
114 $(PYTHON3) -B -m pytest $(srctree)/$(src)/tests \
115 -o cache_dir=$(abspath $(obj)/tests/.cache) \
116 $(if $(findstring 1,$(KBUILD_VERBOSE)),--capture=no)
117clean-files += tests/.cache
118
119# Help text used by make help
120help:
121 @echo ' config - Update current config utilising a line-oriented program'
122 @echo ' nconfig - Update current config utilising a ncurses menu based program'
123 @echo ' menuconfig - Update current config utilising a menu based program'
124 @echo ' xconfig - Update current config utilising a Qt based front-end'
125 @echo ' gconfig - Update current config utilising a GTK+ based front-end'
126 @echo ' oldconfig - Update current config utilising a provided .config as base'
127 @echo ' localmodconfig - Update current config disabling modules not loaded'
128 @echo ' localyesconfig - Update current config converting local mods to core'
129 @echo ' defconfig - New config with default from ARCH supplied defconfig'
130 @echo ' savedefconfig - Save current config as ./defconfig (minimal config)'
131 @echo ' allnoconfig - New config where all options are answered with no'
132 @echo ' allyesconfig - New config where all options are accepted with yes'
133 @echo ' allmodconfig - New config selecting modules when possible'
134 @echo ' alldefconfig - New config with all symbols set to default'
135 @echo ' randconfig - New config with random answer to all options'
136 @echo ' listnewconfig - List new options'
137 @echo ' olddefconfig - Same as oldconfig but sets new symbols to their'
138 @echo ' default value without prompting'
139 @echo ' kvmconfig - Enable additional options for kvm guest kernel support'
140 @echo ' xenconfig - Enable additional options for xen dom0 and guest kernel support'
141 @echo ' tinyconfig - Configure the tiniest possible kernel'
142 @echo ' testconfig - Run Kconfig unit tests (requires python3 and pytest)'
143
144# ===========================================================================
145# object files used by all kconfig flavours
146common-objs := confdata.o expr.o lexer.lex.o parser.tab.o preprocess.o \
147 symbol.o
148
149$(obj)/lexer.lex.o: $(obj)/parser.tab.h
150HOSTCFLAGS_lexer.lex.o := -I $(srctree)/$(src)
151HOSTCFLAGS_parser.tab.o := -I $(srctree)/$(src)
152
153# conf: Used for defconfig, oldconfig and related targets
154hostprogs-y += conf
155conf-objs := conf.o $(common-objs)
156
157# nconf: Used for the nconfig target based on ncurses
158hostprogs-y += nconf
159nconf-objs := nconf.o nconf.gui.o $(common-objs)
160
161HOSTLDLIBS_nconf = $(shell . $(obj)/nconf-cfg && echo $$libs)
162HOSTCFLAGS_nconf.o = $(shell . $(obj)/nconf-cfg && echo $$cflags)
163HOSTCFLAGS_nconf.gui.o = $(shell . $(obj)/nconf-cfg && echo $$cflags)
164
165$(obj)/nconf.o $(obj)/nconf.gui.o: $(obj)/nconf-cfg
166
167# mconf: Used for the menuconfig target based on lxdialog
168hostprogs-y += mconf
169lxdialog := $(addprefix lxdialog/, \
170 checklist.o inputbox.o menubox.o textbox.o util.o yesno.o)
171mconf-objs := mconf.o $(lxdialog) $(common-objs)
172
173HOSTLDLIBS_mconf = $(shell . $(obj)/mconf-cfg && echo $$libs)
174$(foreach f, mconf.o $(lxdialog), \
175 $(eval HOSTCFLAGS_$f = $$(shell . $(obj)/mconf-cfg && echo $$$$cflags)))
176
177$(addprefix $(obj)/, mconf.o $(lxdialog)): $(obj)/mconf-cfg
178
179# qconf: Used for the xconfig target based on Qt
180hostprogs-y += qconf
181qconf-cxxobjs := qconf.o
182qconf-objs := images.o $(common-objs)
183
184HOSTLDLIBS_qconf = $(shell . $(obj)/qconf-cfg && echo $$libs)
185HOSTCXXFLAGS_qconf.o = $(shell . $(obj)/qconf-cfg && echo $$cflags)
186
187$(obj)/qconf.o: $(obj)/qconf-cfg $(obj)/qconf.moc
188
189quiet_cmd_moc = MOC $@
190 cmd_moc = $(shell . $(obj)/qconf-cfg && echo $$moc) -i $< -o $@
191
192$(obj)/%.moc: $(src)/%.h $(obj)/qconf-cfg
193 $(call cmd,moc)
194
195# gconf: Used for the gconfig target based on GTK+
196hostprogs-y += gconf
197gconf-objs := gconf.o images.o $(common-objs)
198
199HOSTLDLIBS_gconf = $(shell . $(obj)/gconf-cfg && echo $$libs)
200HOSTCFLAGS_gconf.o = $(shell . $(obj)/gconf-cfg && echo $$cflags)
201
202$(obj)/gconf.o: $(obj)/gconf-cfg
203
204# check if necessary packages are available, and configure build flags
205filechk_conf_cfg = $(CONFIG_SHELL) $<
206
207$(obj)/%conf-cfg: $(src)/%conf-cfg.sh FORCE
208 $(call filechk,conf_cfg)
209
210clean-files += *conf-cfg