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 | ||
4bf6a9af RD |
6 | PHONY += xconfig gconfig menuconfig config localmodconfig localyesconfig \ |
7 | build_menuconfig build_nconfig build_gconfig build_xconfig | |
1da177e4 | 8 | |
61bee204 AV |
9 | ifdef KBUILD_KCONFIG |
10 | Kconfig := $(KBUILD_KCONFIG) | |
11 | else | |
838a2e55 | 12 | Kconfig := Kconfig |
61bee204 | 13 | endif |
e703f75d | 14 | |
bd305f25 MY |
15 | ifndef KBUILD_DEFCONFIG |
16 | KBUILD_DEFCONFIG := defconfig | |
17 | endif | |
18 | ||
0a1f00a1 MM |
19 | ifeq ($(quiet),silent_) |
20 | silent := -s | |
21 | endif | |
22 | ||
c2838e6e YM |
23 | # We need this, in case the user has it in its environment |
24 | unexport CONFIG_ | |
25 | ||
1da177e4 | 26 | xconfig: $(obj)/qconf |
0a1f00a1 | 27 | $< $(silent) $(Kconfig) |
1da177e4 LT |
28 | |
29 | gconfig: $(obj)/gconf | |
0a1f00a1 | 30 | $< $(silent) $(Kconfig) |
1da177e4 LT |
31 | |
32 | menuconfig: $(obj)/mconf | |
0a1f00a1 | 33 | $< $(silent) $(Kconfig) |
1da177e4 LT |
34 | |
35 | config: $(obj)/conf | |
0a1f00a1 | 36 | $< $(silent) --oldaskconfig $(Kconfig) |
1da177e4 | 37 | |
692d97c3 | 38 | nconfig: $(obj)/nconf |
0a1f00a1 | 39 | $< $(silent) $(Kconfig) |
692d97c3 | 40 | |
4bf6a9af RD |
41 | build_menuconfig: $(obj)/mconf |
42 | ||
43 | build_nconfig: $(obj)/nconf | |
44 | ||
45 | build_gconfig: $(obj)/gconf | |
46 | ||
47 | build_xconfig: $(obj)/qconf | |
48 | ||
2a616258 | 49 | localyesconfig localmodconfig: $(obj)/conf |
c8138a57 | 50 | $(Q)$(PERL) $(srctree)/$(src)/streamline_config.pl --$@ $(srctree) $(Kconfig) > .tmp.config |
1d135237 MY |
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); \ | |
a7c02602 | 60 | fi |
03fa25da SR |
61 | $(Q)rm -f .tmp.config |
62 | ||
1cba0c30 | 63 | # These targets map 1:1 to the commandline options of 'conf' |
79123b13 MY |
64 | # |
65 | # Note: | |
66 | # syncconfig has become an internal implementation detail and is now | |
67 | # deprecated for external use | |
1cba0c30 | 68 | simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \ |
5d8b42aa LA |
69 | alldefconfig randconfig listnewconfig olddefconfig syncconfig \ |
70 | helpnewconfig | |
71 | ||
1cba0c30 | 72 | PHONY += $(simple-targets) |
1da177e4 | 73 | |
1cba0c30 | 74 | $(simple-targets): $(obj)/conf |
0a1f00a1 | 75 | $< $(silent) --$@ $(Kconfig) |
1da177e4 | 76 | |
0085b419 | 77 | PHONY += savedefconfig defconfig |
911a91c3 | 78 | |
7cf3d73b | 79 | savedefconfig: $(obj)/conf |
0a1f00a1 | 80 | $< $(silent) --$@=defconfig $(Kconfig) |
7cf3d73b | 81 | |
1da177e4 | 82 | defconfig: $(obj)/conf |
e0a26686 | 83 | ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),) |
0a1f00a1 MM |
84 | @$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'" |
85 | $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig) | |
d2036f30 ME |
86 | else |
87 | @$(kecho) "*** Default configuration is based on target '$(KBUILD_DEFCONFIG)'" | |
88 | $(Q)$(MAKE) -f $(srctree)/Makefile $(KBUILD_DEFCONFIG) | |
1da177e4 LT |
89 | endif |
90 | ||
91 | %_defconfig: $(obj)/conf | |
0a1f00a1 | 92 | $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig) |
1da177e4 | 93 | |
63a91033 | 94 | configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@) |
3aaefce1 | 95 | |
63a91033 MY |
96 | %.config: $(obj)/conf |
97 | $(if $(call configfiles),, $(error No configuration exists for this target on this architecture)) | |
98 | $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles) | |
3266c806 | 99 | $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig |
3aaefce1 JT |
100 | |
101 | PHONY += kvmconfig | |
63a91033 MY |
102 | kvmconfig: kvm_guest.config |
103 | @: | |
3aaefce1 | 104 | |
6c668505 LR |
105 | PHONY += xenconfig |
106 | xenconfig: xen.config | |
107 | @: | |
108 | ||
0da1d4a0 | 109 | PHONY += tinyconfig |
63a91033 MY |
110 | tinyconfig: |
111 | $(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config | |
0da1d4a0 | 112 | |
022a4bf6 MY |
113 | # CHECK: -o cache_dir=<path> working? |
114 | PHONY += testconfig | |
115 | testconfig: $(obj)/conf | |
116 | $(PYTHON3) -B -m pytest $(srctree)/$(src)/tests \ | |
117 | -o cache_dir=$(abspath $(obj)/tests/.cache) \ | |
118 | $(if $(findstring 1,$(KBUILD_VERBOSE)),--capture=no) | |
1634f2bf | 119 | clean-files += tests/.cache |
022a4bf6 | 120 | |
1da177e4 LT |
121 | # Help text used by make help |
122 | help: | |
123 | @echo ' config - Update current config utilising a line-oriented program' | |
bb6d83dd | 124 | @echo ' nconfig - Update current config utilising a ncurses menu based program' |
1da177e4 | 125 | @echo ' menuconfig - Update current config utilising a menu based program' |
092373c2 | 126 | @echo ' xconfig - Update current config utilising a Qt based front-end' |
39c3f1ba | 127 | @echo ' gconfig - Update current config utilising a GTK+ based front-end' |
1da177e4 | 128 | @echo ' oldconfig - Update current config utilising a provided .config as base' |
03fa25da | 129 | @echo ' localmodconfig - Update current config disabling modules not loaded' |
281c9dad | 130 | @echo ' localyesconfig - Update current config converting local mods to core' |
0748cb3e | 131 | @echo ' defconfig - New config with default from ARCH supplied defconfig' |
7cf3d73b | 132 | @echo ' savedefconfig - Save current config as ./defconfig (minimal config)' |
e11f0496 | 133 | @echo ' allnoconfig - New config where all options are answered with no' |
0748cb3e SR |
134 | @echo ' allyesconfig - New config where all options are accepted with yes' |
135 | @echo ' allmodconfig - New config selecting modules when possible' | |
136 | @echo ' alldefconfig - New config with all symbols set to default' | |
137 | @echo ' randconfig - New config with random answer to all options' | |
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' | |
9bcd776d | 142 | @echo ' kvmconfig - Enable additional options for kvm guest kernel support' |
a64c0440 GU |
143 | @echo ' xenconfig - Enable additional options for xen dom0 and guest kernel' |
144 | @echo ' support' | |
0da1d4a0 | 145 | @echo ' tinyconfig - Configure the tiniest possible kernel' |
d6a0c8a1 | 146 | @echo ' testconfig - Run Kconfig unit tests (requires python3 and pytest)' |
1da177e4 LT |
147 | |
148 | # =========================================================================== | |
1da177e4 | 149 | # object files used by all kconfig flavours |
769a1c02 | 150 | common-objs := confdata.o expr.o lexer.lex.o parser.tab.o preprocess.o \ |
521b29b6 | 151 | symbol.o util.o |
1da177e4 | 152 | |
769a1c02 | 153 | $(obj)/lexer.lex.o: $(obj)/parser.tab.h |
9cc342f6 MY |
154 | HOSTCFLAGS_lexer.lex.o := -I $(srctree)/$(src) |
155 | HOSTCFLAGS_parser.tab.o := -I $(srctree)/$(src) | |
1da177e4 | 156 | |
558e78e3 MY |
157 | # conf: Used for defconfig, oldconfig and related targets |
158 | hostprogs-y += conf | |
159 | conf-objs := conf.o $(common-objs) | |
160 | ||
1c5af5cf MY |
161 | # nconf: Used for the nconfig target based on ncurses |
162 | hostprogs-y += nconf | |
558e78e3 | 163 | nconf-objs := nconf.o nconf.gui.o $(common-objs) |
1c5af5cf | 164 | |
d86271af MY |
165 | HOSTLDLIBS_nconf = $(shell . $(obj)/nconf-cfg && echo $$libs) |
166 | HOSTCFLAGS_nconf.o = $(shell . $(obj)/nconf-cfg && echo $$cflags) | |
167 | HOSTCFLAGS_nconf.gui.o = $(shell . $(obj)/nconf-cfg && echo $$cflags) | |
1c5af5cf | 168 | |
d86271af | 169 | $(obj)/nconf.o $(obj)/nconf.gui.o: $(obj)/nconf-cfg |
1c5af5cf MY |
170 | |
171 | # mconf: Used for the menuconfig target based on lxdialog | |
172 | hostprogs-y += mconf | |
54b8ae66 MY |
173 | lxdialog := $(addprefix lxdialog/, \ |
174 | checklist.o inputbox.o menubox.o textbox.o util.o yesno.o) | |
175 | mconf-objs := mconf.o $(lxdialog) $(common-objs) | |
1c5af5cf | 176 | |
d86271af | 177 | HOSTLDLIBS_mconf = $(shell . $(obj)/mconf-cfg && echo $$libs) |
1c5af5cf | 178 | $(foreach f, mconf.o $(lxdialog), \ |
d86271af | 179 | $(eval HOSTCFLAGS_$f = $$(shell . $(obj)/mconf-cfg && echo $$$$cflags))) |
7080e47b | 180 | |
54b8ae66 | 181 | $(addprefix $(obj)/, mconf.o $(lxdialog)): $(obj)/mconf-cfg |
0b669a50 MY |
182 | |
183 | # qconf: Used for the xconfig target based on Qt | |
184 | hostprogs-y += qconf | |
185 | qconf-cxxobjs := qconf.o | |
3b541978 | 186 | qconf-objs := images.o $(common-objs) |
0b669a50 | 187 | |
d86271af MY |
188 | HOSTLDLIBS_qconf = $(shell . $(obj)/qconf-cfg && echo $$libs) |
189 | HOSTCXXFLAGS_qconf.o = $(shell . $(obj)/qconf-cfg && echo $$cflags) | |
0b669a50 | 190 | |
d86271af | 191 | $(obj)/qconf.o: $(obj)/qconf-cfg $(obj)/qconf.moc |
0b669a50 MY |
192 | |
193 | quiet_cmd_moc = MOC $@ | |
d86271af | 194 | cmd_moc = $(shell . $(obj)/qconf-cfg && echo $$moc) -i $< -o $@ |
0b669a50 | 195 | |
d86271af | 196 | $(obj)/%.moc: $(src)/%.h $(obj)/qconf-cfg |
0b669a50 | 197 | $(call cmd,moc) |
1da177e4 | 198 | |
b464ef58 MY |
199 | # gconf: Used for the gconfig target based on GTK+ |
200 | hostprogs-y += 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 |