1 # SPDX-License-Identifier: GPL-2.0 <<
2 # ============================================ 1 # ===========================================================================
3 # Kernel configuration targets 2 # Kernel configuration targets
4 # These targets are used from top-level makefi 3 # These targets are used from top-level makefile
5 4
6 ifdef KBUILD_KCONFIG !! 5 .PHONY: oldconfig xconfig gconfig menuconfig config silentoldconfig
7 Kconfig := $(KBUILD_KCONFIG) <<
8 else <<
9 Kconfig := Kconfig <<
10 endif <<
11 <<
12 ifndef KBUILD_DEFCONFIG <<
13 KBUILD_DEFCONFIG := defconfig <<
14 endif <<
15 <<
16 ifeq ($(quiet),silent_) <<
17 silent := -s <<
18 endif <<
19 <<
20 export KCONFIG_DEFCONFIG_LIST := <<
21 ifndef cross_compiling <<
22 kernel-release := $(shell uname -r) <<
23 KCONFIG_DEFCONFIG_LIST += \ <<
24 /lib/modules/$(kernel-release)/.config <<
25 /etc/kernel-config \ <<
26 /boot/config-$(kernel-release) <<
27 endif <<
28 KCONFIG_DEFCONFIG_LIST += arch/$(SRCARCH)/conf <<
29 <<
30 ifneq ($(findstring c, $(KBUILD_EXTRA_WARN)),) <<
31 export KCONFIG_WARN_UNKNOWN_SYMBOLS=1 <<
32 endif <<
33 6
34 ifneq ($(findstring e, $(KBUILD_EXTRA_WARN)),) !! 7 xconfig: $(obj)/qconf
35 export KCONFIG_WERROR=1 !! 8 $< arch/$(ARCH)/Kconfig
36 endif <<
37 9
38 # We need this, in case the user has it in its !! 10 gconfig: $(obj)/gconf
39 unexport CONFIG_ !! 11 ./$< arch/$(ARCH)/Kconfig
40 12
41 config-prog := conf !! 13 menuconfig: $(obj)/mconf
42 menuconfig-prog := mconf !! 14 $(Q)$(MAKE) $(build)=scripts/lxdialog
43 nconfig-prog := nconf !! 15 $< arch/$(ARCH)/Kconfig
44 gconfig-prog := gconf <<
45 xconfig-prog := qconf <<
46 16
47 define config_rule !! 17 config: $(obj)/conf
48 PHONY += $(1) !! 18 $< arch/$(ARCH)/Kconfig
49 $(1): $(obj)/$($(1)-prog) <<
50 $(Q)$$< $(silent) $(Kconfig) <<
51 19
52 PHONY += build_$(1) !! 20 oldconfig: $(obj)/conf
53 build_$(1): $(obj)/$($(1)-prog) !! 21 $< -o arch/$(ARCH)/Kconfig
54 endef <<
55 22
56 $(foreach c, config menuconfig nconfig gconfig !! 23 silentoldconfig: $(obj)/conf
>> 24 $< -s arch/$(ARCH)/Kconfig
57 25
58 PHONY += localmodconfig localyesconfig !! 26 .PHONY: randconfig allyesconfig allnoconfig allmodconfig defconfig
59 localyesconfig localmodconfig: $(obj)/conf <<
60 $(Q)$(PERL) $(src)/streamline_config.p <<
61 $(Q)if [ -f .config ]; then <<
62 cmp -s .tmp.config .config || <<
63 (mv -f .config .config.old.1; <<
64 mv -f .tmp.config .config; <<
65 $< $(silent) --oldconfig $(Kc <<
66 mv -f .config.old.1 .config.o <<
67 else <<
68 mv -f .tmp.config .config; <<
69 $< $(silent) --oldconfig $(Kco <<
70 fi <<
71 $(Q)rm -f .tmp.config <<
72 27
73 # These targets map 1:1 to the commandline opt !! 28 randconfig: $(obj)/conf
74 # !! 29 $< -r arch/$(ARCH)/Kconfig
75 # Note: <<
76 # syncconfig has become an internal implement <<
77 # deprecated for external use <<
78 simple-targets := oldconfig allnoconfig allyes <<
79 alldefconfig randconfig listnewconfig <<
80 helpnewconfig yes2modconfig mod2yescon <<
81 <<
82 PHONY += $(simple-targets) <<
83 30
84 $(simple-targets): $(obj)/conf !! 31 allyesconfig: $(obj)/conf
85 $(Q)$< $(silent) --$@ $(Kconfig) !! 32 $< -y arch/$(ARCH)/Kconfig
86 33
87 PHONY += savedefconfig defconfig !! 34 allnoconfig: $(obj)/conf
>> 35 $< -n arch/$(ARCH)/Kconfig
88 36
89 savedefconfig: $(obj)/conf !! 37 allmodconfig: $(obj)/conf
90 $(Q)$< $(silent) --$@=defconfig $(Kcon !! 38 $< -m arch/$(ARCH)/Kconfig
91 39
92 defconfig: $(obj)/conf 40 defconfig: $(obj)/conf
93 ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/c !! 41 $< -d arch/$(ARCH)/Kconfig
94 @$(kecho) "*** Default configuration i <<
95 $(Q)$< $(silent) --defconfig=arch/$(SR <<
96 else <<
97 @$(kecho) "*** Default configuration i <<
98 $(Q)$(MAKE) -f $(srctree)/Makefile $(K <<
99 endif <<
100 42
101 %_defconfig: $(obj)/conf 43 %_defconfig: $(obj)/conf
102 $(Q)$< $(silent) --defconfig=arch/$(SR !! 44 $(Q)$< -D arch/$(ARCH)/configs/$@ arch/$(ARCH)/Kconfig
103 <<
104 configfiles = $(wildcard $(srctree)/kernel/con <<
105 all-config-fragments = $(call configfiles,*.co <<
106 config-fragments = $(call configfiles,$@) <<
107 <<
108 %.config: $(obj)/conf <<
109 $(if $(config-fragments),, $(error $@ <<
110 $(Q)$(CONFIG_SHELL) $(srctree)/scripts <<
111 $(Q)$(MAKE) -f $(srctree)/Makefile old <<
112 <<
113 PHONY += tinyconfig <<
114 tinyconfig: <<
115 $(Q)KCONFIG_ALLCONFIG=kernel/configs/t <<
116 $(Q)$(MAKE) -f $(srctree)/Makefile tin <<
117 <<
118 # CHECK: -o cache_dir=<path> working? <<
119 PHONY += testconfig <<
120 testconfig: $(obj)/conf <<
121 $(Q)$(PYTHON3) -B -m pytest $(src)/tes <<
122 -o cache_dir=$(abspath $(obj)/tests/.c <<
123 $(if $(findstring 1,$(KBUILD_VERBOSE)) <<
124 clean-files += tests/.cache <<
125 45
126 # Help text used by make help 46 # Help text used by make help
127 help: 47 help:
128 @echo 'Configuration targets:' !! 48 @echo ' oldconfig - Update current config utilising a line-oriented program'
129 @echo ' config - Update cur <<
130 @echo ' nconfig - Update cur <<
131 @echo ' menuconfig - Update cur 49 @echo ' menuconfig - Update current config utilising a menu based program'
132 @echo ' xconfig - Update cur !! 50 @echo ' xconfig - Update current config utilising a QT based front-end'
133 @echo ' gconfig - Update cur !! 51 @echo ' gconfig - Update current config utilising a GTK based front-end'
134 @echo ' oldconfig - Update cur !! 52 @echo ' defconfig - New config with default answer to all options'
135 @echo ' localmodconfig - Update cur <<
136 @echo ' except tho <<
137 @echo ' localyesconfig - Update cur <<
138 @echo ' except tho <<
139 @echo ' defconfig - New config <<
140 @echo ' savedefconfig - Save curre <<
141 @echo ' allnoconfig - New config <<
142 @echo ' allyesconfig - New config <<
143 @echo ' allmodconfig - New config 53 @echo ' allmodconfig - New config selecting modules when possible'
144 @echo ' alldefconfig - New config !! 54 @echo ' allyesconfig - New config where all options are accepted with yes'
145 @echo ' randconfig - New config !! 55 @echo ' allnoconfig - New minimal config'
146 @echo ' yes2modconfig - Change ans <<
147 @echo ' mod2yesconfig - Change ans <<
148 @echo ' mod2noconfig - Change ans <<
149 @echo ' listnewconfig - List new o <<
150 @echo ' helpnewconfig - List new o <<
151 @echo ' olddefconfig - Same as ol <<
152 @echo ' default va <<
153 @echo ' tinyconfig - Configure <<
154 @echo ' testconfig - Run Kconfi <<
155 @echo '' <<
156 @echo 'Configuration topic targets:' <<
157 @$(foreach f, $(all-config-fragments), <<
158 if help=$$(grep -m1 '^# Help: <<
159 printf ' %-25s - %s\n <<
160 fi;) <<
161 56
162 # ============================================ 57 # ===========================================================================
>> 58 # Shared Makefile for the various kconfig executables:
>> 59 # conf: Used for defconfig, oldconfig and related targets
>> 60 # mconf: Used for the mconfig target.
>> 61 # Utilizes the lxdialog package
>> 62 # qconf: Used for the xconfig target
>> 63 # Based on QT which needs to be installed to compile it
>> 64 # gconf: Used for the gconfig target
>> 65 # Based on GTK which needs to be installed to compile it
163 # object files used by all kconfig flavours 66 # object files used by all kconfig flavours
164 common-objs := confdata.o expr.o lexer.lex <<
165 preprocess.o symbol.o util. <<
166 67
167 $(obj)/lexer.lex.o: $(obj)/parser.tab.h !! 68 libkconfig-objs := zconf.tab.o
168 HOSTCFLAGS_lexer.lex.o := -I $(src) <<
169 HOSTCFLAGS_parser.tab.o := -I $(src) <<
170 69
171 # conf: Used for defconfig, oldconfig and rela !! 70 host-progs := conf mconf qconf gconf
172 hostprogs += conf !! 71 conf-objs := conf.o libkconfig.so
173 conf-objs := conf.o $(common-objs) !! 72 mconf-objs := mconf.o libkconfig.so
174 73
175 # nconf: Used for the nconfig target based on !! 74 ifeq ($(MAKECMDGOALS),xconfig)
176 hostprogs += nconf !! 75 qconf-target := 1
177 nconf-objs := nconf.o nconf.gui.o mnconf- !! 76 endif
>> 77 ifeq ($(MAKECMDGOALS),gconfig)
>> 78 gconf-target := 1
>> 79 endif
178 80
179 HOSTLDLIBS_nconf = $(call read-file, $(o <<
180 HOSTCFLAGS_nconf.o = $(call read-file, $(o <<
181 HOSTCFLAGS_nconf.gui.o = $(call read-file, $(o <<
182 81
183 $(obj)/nconf: | $(obj)/nconf-libs !! 82 ifeq ($(qconf-target),1)
184 $(obj)/nconf.o $(obj)/nconf.gui.o: | $(obj)/nc !! 83 qconf-cxxobjs := qconf.o
>> 84 qconf-objs := kconfig_load.o
>> 85 endif
185 86
186 # mconf: Used for the menuconfig target based !! 87 ifeq ($(gconf-target),1)
187 hostprogs += mconf !! 88 gconf-objs := gconf.o kconfig_load.o
188 lxdialog := $(addprefix lxdialog/, \ !! 89 endif
189 checklist.o inputbox.o me !! 90
190 mconf-objs := mconf.o $(lxdialog) mnconf- !! 91 clean-files := libkconfig.so lkc_defs.h qconf.moc .tmp_qtcheck \
>> 92 .tmp_gtkcheck zconf.tab.c zconf.tab.h lex.zconf.c
>> 93
>> 94 # generated files seem to need this to find local include files
>> 95 HOSTCFLAGS_lex.zconf.o := -I$(src)
>> 96 HOSTCFLAGS_zconf.tab.o := -I$(src)
191 97
192 HOSTLDLIBS_mconf = $(call read-file, $(obj)/mc !! 98 HOSTLOADLIBES_qconf = -L$(QTDIR)/lib -Wl,-rpath,$(QTDIR)/lib -l$(QTLIB) -ldl
193 $(foreach f, mconf.o $(lxdialog), \ !! 99 HOSTCXXFLAGS_qconf.o = -I$(QTDIR)/include
194 $(eval HOSTCFLAGS_$f = $$(call read-file, $( <<
195 100
196 $(obj)/mconf: | $(obj)/mconf-libs !! 101 HOSTLOADLIBES_gconf = `pkg-config gtk+-2.0 gmodule-2.0 libglade-2.0 --libs`
197 $(addprefix $(obj)/, mconf.o $(lxdialog)): | $ !! 102 HOSTCFLAGS_gconf.o = `pkg-config gtk+-2.0 gmodule-2.0 libglade-2.0 --cflags`
198 103
199 # qconf: Used for the xconfig target based on !! 104 $(obj)/conf.o $(obj)/mconf.o $(obj)/qconf.o $(obj)/gconf.o: $(obj)/zconf.tab.h
200 hostprogs += qconf <<
201 qconf-cxxobjs := qconf.o qconf-moc.o <<
202 qconf-objs := images.o $(common-objs) <<
203 105
204 HOSTLDLIBS_qconf = $(call read-file, $ !! 106 $(obj)/qconf.o: $(obj)/.tmp_qtcheck
205 HOSTCXXFLAGS_qconf.o = -std=c++11 -fPIC $( <<
206 HOSTCXXFLAGS_qconf-moc.o = -std=c++11 -fPIC $( <<
207 $(obj)/qconf: | $(obj)/qconf-libs <<
208 $(obj)/qconf.o $(obj)/qconf-moc.o: | $(obj)/qc <<
209 107
210 quiet_cmd_moc = MOC $@ !! 108 ifeq ($(qconf-target),1)
211 cmd_moc = $(call read-file, $(obj)/qconf !! 109 MOC = $(QTDIR)/bin/moc
>> 110 -include $(obj)/.tmp_qtcheck
212 111
213 $(obj)/qconf-moc.cc: $(src)/qconf.h FORCE | $( !! 112 # QT needs some extra effort...
214 $(call if_changed,moc) !! 113 $(obj)/.tmp_qtcheck:
>> 114 @set -e; for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
>> 115 if [ -f $$d/include/qconfig.h ]; then DIR=$$d; break; fi; \
>> 116 done; \
>> 117 if [ -z "$$DIR" ]; then \
>> 118 echo "*"; \
>> 119 echo "* Unable to find the QT installation. Please make sure that the"; \
>> 120 echo "* QT development package is correctly installed and the QTDIR"; \
>> 121 echo "* environment variable is set to the correct location."; \
>> 122 echo "*"; \
>> 123 false; \
>> 124 fi; \
>> 125 LIB=qt; \
>> 126 if [ -f $$DIR/lib/libqt-mt.so ]; then LIB=qt-mt; fi; \
>> 127 echo "QTDIR=$$DIR" > $@; echo "QTLIB=$$LIB" >> $@; \
>> 128 if [ ! -x $$DIR/bin/moc -a -x /usr/bin/moc ]; then \
>> 129 echo "*"; \
>> 130 echo "* Unable to find $$DIR/bin/moc, using /usr/bin/moc instead."; \
>> 131 echo "*"; \
>> 132 echo "MOC=/usr/bin/moc" >> $@; \
>> 133 fi
>> 134 endif
215 135
216 targets += qconf-moc.cc !! 136 $(obj)/gconf.o: $(obj)/.tmp_gtkcheck
>> 137
>> 138 ifeq ($(gconf-target),1)
>> 139 -include $(obj)/.tmp_gtkcheck
>> 140
>> 141 # GTK needs some extra effort, too...
>> 142 $(obj)/.tmp_gtkcheck:
>> 143 @if `pkg-config gtk+-2.0 gmodule-2.0 libglade-2.0 --exists`; then \
>> 144 if `pkg-config gtk+-2.0 --atleast-version=2.0.0`; then \
>> 145 touch $@; \
>> 146 else \
>> 147 echo "*"; \
>> 148 echo "* GTK+ is present but version >= 2.0.0 is required."; \
>> 149 echo "*"; \
>> 150 false; \
>> 151 fi \
>> 152 else \
>> 153 echo "*"; \
>> 154 echo "* Unable to find the GTK+ installation. Please make sure that"; \
>> 155 echo "* the GTK+ 2.0 development package is correctly installed..."; \
>> 156 echo "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; \
>> 157 echo "*"; \
>> 158 false; \
>> 159 fi
>> 160 endif
217 161
218 # gconf: Used for the gconfig target based on !! 162 $(obj)/zconf.tab.o: $(obj)/lex.zconf.c
219 hostprogs += gconf <<
220 gconf-objs := gconf.o images.o $(common-o <<
221 163
222 HOSTLDLIBS_gconf = $(call read-file, $(obj)/ !! 164 $(obj)/kconfig_load.o: $(obj)/lkc_defs.h
223 HOSTCFLAGS_gconf.o = $(call read-file, $(obj)/ <<
224 165
225 $(obj)/gconf: | $(obj)/gconf-libs !! 166 $(obj)/qconf.o: $(obj)/qconf.moc $(obj)/lkc_defs.h
226 $(obj)/gconf.o: | $(obj)/gconf-cflags <<
227 167
228 # check if necessary packages are available, a !! 168 $(obj)/gconf.o: $(obj)/lkc_defs.h
229 cmd_conf_cfg = $< $(addprefix $(obj)/$*conf-, <<
230 169
231 $(obj)/%conf-cflags $(obj)/%conf-libs $(obj)/% !! 170 $(obj)/%.moc: $(src)/%.h
232 $(call cmd,conf_cfg) !! 171 $(MOC) -i $< -o $@
233 172
234 clean-files += *conf-cflags *conf-libs *conf-b !! 173 $(obj)/lkc_defs.h: $(src)/lkc_proto.h
>> 174 sed < $< > $@ 's/P(\([^,]*\),.*/#define \1 (\*\1_p)/'
>> 175
>> 176
>> 177 ###
>> 178 # The following requires flex/bison
>> 179 # By default we use the _shipped versions, uncomment the following line if
>> 180 # you are modifying the flex/bison src.
>> 181 # LKC_GENPARSER := 1
>> 182
>> 183 ifdef LKC_GENPARSER
>> 184
>> 185 $(obj)/zconf.tab.c: $(obj)/zconf.y
>> 186 $(obj)/zconf.tab.h: $(obj)/zconf.tab.c
>> 187
>> 188 %.tab.c: %.y
>> 189 bison -t -d -v -b $* -p $(notdir $*) $<
>> 190
>> 191 lex.%.c: %.l
>> 192 flex -P$(notdir $*) -o$@ $<
>> 193
>> 194 endif
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