Commit | Line | Data |
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b2441318 | 1 | # SPDX-License-Identifier: GPL-2.0 |
1da177e4 LT |
2 | # =========================================================================== |
3 | # Kernel configuration targets | |
4 | # These targets are used from top-level makefile | |
5 | ||
61bee204 AV |
6 | ifdef KBUILD_KCONFIG |
7 | Kconfig := $(KBUILD_KCONFIG) | |
8 | else | |
838a2e55 | 9 | Kconfig := Kconfig |
61bee204 | 10 | endif |
e703f75d | 11 | |
dd465996 MY |
12 | ifndef KBUILD_DEFCONFIG |
13 | KBUILD_DEFCONFIG := defconfig | |
14 | endif | |
15 | ||
0a1f00a1 MM |
16 | ifeq ($(quiet),silent_) |
17 | silent := -s | |
18 | endif | |
19 | ||
b75b0a81 | 20 | export KCONFIG_DEFCONFIG_LIST := |
f02aa48d | 21 | ifndef cross_compiling |
b75b0a81 | 22 | kernel-release := $(shell uname -r) |
f02aa48d | 23 | KCONFIG_DEFCONFIG_LIST += \ |
b75b0a81 MY |
24 | /lib/modules/$(kernel-release)/.config \ |
25 | /etc/kernel-config \ | |
f02aa48d | 26 | /boot/config-$(kernel-release) |
b75b0a81 | 27 | endif |
f02aa48d | 28 | KCONFIG_DEFCONFIG_LIST += arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) |
b75b0a81 | 29 | |
c2838e6e YM |
30 | # We need this, in case the user has it in its environment |
31 | unexport CONFIG_ | |
32 | ||
f91e46b1 MY |
33 | config-prog := conf |
34 | menuconfig-prog := mconf | |
35 | nconfig-prog := nconf | |
36 | gconfig-prog := gconf | |
37 | xconfig-prog := qconf | |
4bf6a9af | 38 | |
f91e46b1 MY |
39 | define config_rule |
40 | PHONY += $(1) | |
41 | $(1): $(obj)/$($(1)-prog) | |
42 | $(Q)$$< $(silent) $(Kconfig) | |
4bf6a9af | 43 | |
f91e46b1 MY |
44 | PHONY += build_$(1) |
45 | build_$(1): $(obj)/$($(1)-prog) | |
46 | endef | |
4bf6a9af | 47 | |
f91e46b1 | 48 | $(foreach c, config menuconfig nconfig gconfig xconfig, $(eval $(call config_rule,$(c)))) |
4bf6a9af | 49 | |
f91e46b1 | 50 | PHONY += localmodconfig localyesconfig |
2a616258 | 51 | localyesconfig localmodconfig: $(obj)/conf |
c8138a57 | 52 | $(Q)$(PERL) $(srctree)/$(src)/streamline_config.pl --$@ $(srctree) $(Kconfig) > .tmp.config |
1d135237 MY |
53 | $(Q)if [ -f .config ]; then \ |
54 | cmp -s .tmp.config .config || \ | |
55 | (mv -f .config .config.old.1; \ | |
56 | mv -f .tmp.config .config; \ | |
57 | $< $(silent) --oldconfig $(Kconfig); \ | |
58 | mv -f .config.old.1 .config.old) \ | |
59 | else \ | |
60 | mv -f .tmp.config .config; \ | |
61 | $< $(silent) --oldconfig $(Kconfig); \ | |
a7c02602 | 62 | fi |
03fa25da SR |
63 | $(Q)rm -f .tmp.config |
64 | ||
1cba0c30 | 65 | # These targets map 1:1 to the commandline options of 'conf' |
79123b13 MY |
66 | # |
67 | # Note: | |
68 | # syncconfig has become an internal implementation detail and is now | |
69 | # deprecated for external use | |
1cba0c30 | 70 | simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \ |
5d8b42aa | 71 | alldefconfig randconfig listnewconfig olddefconfig syncconfig \ |
c39afe62 | 72 | helpnewconfig yes2modconfig mod2yesconfig mod2noconfig |
5d8b42aa | 73 | |
1cba0c30 | 74 | PHONY += $(simple-targets) |
1da177e4 | 75 | |
1cba0c30 | 76 | $(simple-targets): $(obj)/conf |
23cd88c9 | 77 | $(Q)$< $(silent) --$@ $(Kconfig) |
1da177e4 | 78 | |
0085b419 | 79 | PHONY += savedefconfig defconfig |
911a91c3 | 80 | |
7cf3d73b | 81 | savedefconfig: $(obj)/conf |
23cd88c9 | 82 | $(Q)$< $(silent) --$@=defconfig $(Kconfig) |
7cf3d73b | 83 | |
1da177e4 | 84 | defconfig: $(obj)/conf |
e0a26686 | 85 | ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),) |
0a1f00a1 MM |
86 | @$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'" |
87 | $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig) | |
d2036f30 ME |
88 | else |
89 | @$(kecho) "*** Default configuration is based on target '$(KBUILD_DEFCONFIG)'" | |
90 | $(Q)$(MAKE) -f $(srctree)/Makefile $(KBUILD_DEFCONFIG) | |
1da177e4 LT |
91 | endif |
92 | ||
93 | %_defconfig: $(obj)/conf | |
0a1f00a1 | 94 | $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig) |
1da177e4 | 95 | |
63a91033 | 96 | configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@) |
3aaefce1 | 97 | |
63a91033 MY |
98 | %.config: $(obj)/conf |
99 | $(if $(call configfiles),, $(error No configuration exists for this target on this architecture)) | |
100 | $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles) | |
3266c806 | 101 | $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig |
3aaefce1 | 102 | |
0da1d4a0 | 103 | PHONY += tinyconfig |
63a91033 | 104 | tinyconfig: |
f8f0d064 MY |
105 | $(Q)KCONFIG_ALLCONFIG=kernel/configs/tiny-base.config $(MAKE) -f $(srctree)/Makefile allnoconfig |
106 | $(Q)$(MAKE) -f $(srctree)/Makefile tiny.config | |
0da1d4a0 | 107 | |
022a4bf6 MY |
108 | # CHECK: -o cache_dir=<path> working? |
109 | PHONY += testconfig | |
110 | testconfig: $(obj)/conf | |
23cd88c9 | 111 | $(Q)$(PYTHON3) -B -m pytest $(srctree)/$(src)/tests \ |
022a4bf6 MY |
112 | -o cache_dir=$(abspath $(obj)/tests/.cache) \ |
113 | $(if $(findstring 1,$(KBUILD_VERBOSE)),--capture=no) | |
1634f2bf | 114 | clean-files += tests/.cache |
022a4bf6 | 115 | |
1da177e4 LT |
116 | # Help text used by make help |
117 | help: | |
118 | @echo ' config - Update current config utilising a line-oriented program' | |
bb6d83dd | 119 | @echo ' nconfig - Update current config utilising a ncurses menu based program' |
1da177e4 | 120 | @echo ' menuconfig - Update current config utilising a menu based program' |
092373c2 | 121 | @echo ' xconfig - Update current config utilising a Qt based front-end' |
39c3f1ba | 122 | @echo ' gconfig - Update current config utilising a GTK+ based front-end' |
1da177e4 | 123 | @echo ' oldconfig - Update current config utilising a provided .config as base' |
03fa25da | 124 | @echo ' localmodconfig - Update current config disabling modules not loaded' |
c027b02d | 125 | @echo ' except those preserved by LMC_KEEP environment variable' |
281c9dad | 126 | @echo ' localyesconfig - Update current config converting local mods to core' |
c027b02d | 127 | @echo ' except those preserved by LMC_KEEP environment variable' |
0748cb3e | 128 | @echo ' defconfig - New config with default from ARCH supplied defconfig' |
7cf3d73b | 129 | @echo ' savedefconfig - Save current config as ./defconfig (minimal config)' |
e11f0496 | 130 | @echo ' allnoconfig - New config where all options are answered with no' |
0748cb3e SR |
131 | @echo ' allyesconfig - New config where all options are accepted with yes' |
132 | @echo ' allmodconfig - New config selecting modules when possible' | |
133 | @echo ' alldefconfig - New config with all symbols set to default' | |
134 | @echo ' randconfig - New config with random answer to all options' | |
89b90609 TH |
135 | @echo ' yes2modconfig - Change answers from yes to mod if possible' |
136 | @echo ' mod2yesconfig - Change answers from mod to yes if possible' | |
c39afe62 | 137 | @echo ' mod2noconfig - Change answers from mod to no if possible' |
861b4ea4 | 138 | @echo ' listnewconfig - List new options' |
5d8b42aa | 139 | @echo ' helpnewconfig - List new options and help text' |
cedd55d4 MH |
140 | @echo ' olddefconfig - Same as oldconfig but sets new symbols to their' |
141 | @echo ' default value without prompting' | |
0da1d4a0 | 142 | @echo ' tinyconfig - Configure the tiniest possible kernel' |
d6a0c8a1 | 143 | @echo ' testconfig - Run Kconfig unit tests (requires python3 and pytest)' |
1da177e4 LT |
144 | |
145 | # =========================================================================== | |
1da177e4 | 146 | # object files used by all kconfig flavours |
a77a05dc MY |
147 | common-objs := confdata.o expr.o lexer.lex.o menu.o parser.tab.o \ |
148 | preprocess.o symbol.o util.o | |
1da177e4 | 149 | |
769a1c02 | 150 | $(obj)/lexer.lex.o: $(obj)/parser.tab.h |
9cc342f6 MY |
151 | HOSTCFLAGS_lexer.lex.o := -I $(srctree)/$(src) |
152 | HOSTCFLAGS_parser.tab.o := -I $(srctree)/$(src) | |
1da177e4 | 153 | |
558e78e3 | 154 | # conf: Used for defconfig, oldconfig and related targets |
5f2fb52f | 155 | hostprogs += conf |
558e78e3 MY |
156 | conf-objs := conf.o $(common-objs) |
157 | ||
1c5af5cf | 158 | # nconf: Used for the nconfig target based on ncurses |
5f2fb52f | 159 | hostprogs += nconf |
558e78e3 | 160 | nconf-objs := nconf.o nconf.gui.o $(common-objs) |
1c5af5cf | 161 | |
d86271af MY |
162 | HOSTLDLIBS_nconf = $(shell . $(obj)/nconf-cfg && echo $$libs) |
163 | HOSTCFLAGS_nconf.o = $(shell . $(obj)/nconf-cfg && echo $$cflags) | |
164 | HOSTCFLAGS_nconf.gui.o = $(shell . $(obj)/nconf-cfg && echo $$cflags) | |
1c5af5cf | 165 | |
d86271af | 166 | $(obj)/nconf.o $(obj)/nconf.gui.o: $(obj)/nconf-cfg |
1c5af5cf MY |
167 | |
168 | # mconf: Used for the menuconfig target based on lxdialog | |
5f2fb52f | 169 | hostprogs += mconf |
54b8ae66 MY |
170 | lxdialog := $(addprefix lxdialog/, \ |
171 | checklist.o inputbox.o menubox.o textbox.o util.o yesno.o) | |
172 | mconf-objs := mconf.o $(lxdialog) $(common-objs) | |
1c5af5cf | 173 | |
d86271af | 174 | HOSTLDLIBS_mconf = $(shell . $(obj)/mconf-cfg && echo $$libs) |
1c5af5cf | 175 | $(foreach f, mconf.o $(lxdialog), \ |
d86271af | 176 | $(eval HOSTCFLAGS_$f = $$(shell . $(obj)/mconf-cfg && echo $$$$cflags))) |
7080e47b | 177 | |
54b8ae66 | 178 | $(addprefix $(obj)/, mconf.o $(lxdialog)): $(obj)/mconf-cfg |
0b669a50 MY |
179 | |
180 | # qconf: Used for the xconfig target based on Qt | |
5f2fb52f | 181 | hostprogs += qconf |
0e912c03 | 182 | qconf-cxxobjs := qconf.o qconf-moc.o |
3b541978 | 183 | qconf-objs := images.o $(common-objs) |
0b669a50 | 184 | |
d86271af MY |
185 | HOSTLDLIBS_qconf = $(shell . $(obj)/qconf-cfg && echo $$libs) |
186 | HOSTCXXFLAGS_qconf.o = $(shell . $(obj)/qconf-cfg && echo $$cflags) | |
0e912c03 | 187 | HOSTCXXFLAGS_qconf-moc.o = $(shell . $(obj)/qconf-cfg && echo $$cflags) |
0b669a50 | 188 | |
0e912c03 | 189 | $(obj)/qconf.o: $(obj)/qconf-cfg |
0b669a50 MY |
190 | |
191 | quiet_cmd_moc = MOC $@ | |
0e912c03 | 192 | cmd_moc = $(shell . $(obj)/qconf-cfg && echo $$moc) $< -o $@ |
0b669a50 | 193 | |
0e912c03 | 194 | $(obj)/qconf-moc.cc: $(src)/qconf.h $(obj)/qconf-cfg FORCE |
c3cd7cfa MY |
195 | $(call if_changed,moc) |
196 | ||
0e912c03 | 197 | targets += qconf-moc.cc |
1da177e4 | 198 | |
b464ef58 | 199 | # gconf: Used for the gconfig target based on GTK+ |
5f2fb52f | 200 | hostprogs += gconf |
3b541978 | 201 | gconf-objs := gconf.o images.o $(common-objs) |
b464ef58 | 202 | |
d86271af MY |
203 | HOSTLDLIBS_gconf = $(shell . $(obj)/gconf-cfg && echo $$libs) |
204 | HOSTCFLAGS_gconf.o = $(shell . $(obj)/gconf-cfg && echo $$cflags) | |
b464ef58 | 205 | |
d86271af | 206 | $(obj)/gconf.o: $(obj)/gconf-cfg |
1da177e4 | 207 | |
0b669a50 | 208 | # check if necessary packages are available, and configure build flags |
ba97df45 | 209 | filechk_conf_cfg = $(CONFIG_SHELL) $< |
0b669a50 | 210 | |
d86271af | 211 | $(obj)/%conf-cfg: $(src)/%conf-cfg.sh FORCE |
0b669a50 MY |
212 | $(call filechk,conf_cfg) |
213 | ||
2648ca18 | 214 | clean-files += *conf-cfg |