Commit | Line | Data |
---|---|---|
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 := $(KBUILD_KCONFIG) | |
11 | else | |
838a2e55 | 12 | Kconfig := Kconfig |
61bee204 | 13 | endif |
e703f75d | 14 | |
0a1f00a1 MM |
15 | ifeq ($(quiet),silent_) |
16 | silent := -s | |
17 | endif | |
18 | ||
c2838e6e YM |
19 | # We need this, in case the user has it in its environment |
20 | unexport CONFIG_ | |
21 | ||
1da177e4 | 22 | xconfig: $(obj)/qconf |
0a1f00a1 | 23 | $< $(silent) $(Kconfig) |
1da177e4 LT |
24 | |
25 | gconfig: $(obj)/gconf | |
0a1f00a1 | 26 | $< $(silent) $(Kconfig) |
1da177e4 LT |
27 | |
28 | menuconfig: $(obj)/mconf | |
0a1f00a1 | 29 | $< $(silent) $(Kconfig) |
1da177e4 LT |
30 | |
31 | config: $(obj)/conf | |
0a1f00a1 | 32 | $< $(silent) --oldaskconfig $(Kconfig) |
1da177e4 | 33 | |
692d97c3 | 34 | nconfig: $(obj)/nconf |
0a1f00a1 | 35 | $< $(silent) $(Kconfig) |
692d97c3 | 36 | |
4bf6a9af RD |
37 | build_menuconfig: $(obj)/mconf |
38 | ||
39 | build_nconfig: $(obj)/nconf | |
40 | ||
41 | build_gconfig: $(obj)/gconf | |
42 | ||
43 | build_xconfig: $(obj)/qconf | |
44 | ||
2a616258 | 45 | localyesconfig localmodconfig: $(obj)/conf |
2a616258 | 46 | $(Q)perl $(srctree)/$(src)/streamline_config.pl --$@ $(srctree) $(Kconfig) > .tmp.config |
7a996d3a | 47 | $(Q)if [ -f .config ]; then \ |
4062f1a4 SR |
48 | cmp -s .tmp.config .config || \ |
49 | (mv -f .config .config.old.1; \ | |
50 | mv -f .tmp.config .config; \ | |
2a616258 | 51 | $< $(silent) --oldconfig $(Kconfig); \ |
4062f1a4 SR |
52 | mv -f .config.old.1 .config.old) \ |
53 | else \ | |
54 | mv -f .tmp.config .config; \ | |
2a616258 | 55 | $< $(silent) --oldconfig $(Kconfig); \ |
a7c02602 | 56 | fi |
03fa25da SR |
57 | $(Q)rm -f .tmp.config |
58 | ||
1cba0c30 | 59 | # These targets map 1:1 to the commandline options of 'conf' |
79123b13 MY |
60 | # |
61 | # Note: | |
62 | # syncconfig has become an internal implementation detail and is now | |
63 | # deprecated for external use | |
1cba0c30 | 64 | simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \ |
79123b13 | 65 | alldefconfig randconfig listnewconfig olddefconfig syncconfig |
1cba0c30 | 66 | PHONY += $(simple-targets) |
1da177e4 | 67 | |
1cba0c30 | 68 | $(simple-targets): $(obj)/conf |
0a1f00a1 | 69 | $< $(silent) --$@ $(Kconfig) |
1da177e4 | 70 | |
0085b419 | 71 | PHONY += savedefconfig defconfig |
911a91c3 | 72 | |
7cf3d73b | 73 | savedefconfig: $(obj)/conf |
0a1f00a1 | 74 | $< $(silent) --$@=defconfig $(Kconfig) |
7cf3d73b | 75 | |
1da177e4 LT |
76 | defconfig: $(obj)/conf |
77 | ifeq ($(KBUILD_DEFCONFIG),) | |
0a1f00a1 | 78 | $< $(silent) --defconfig $(Kconfig) |
42f9d3c6 JB |
79 | else |
80 | ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),) | |
0a1f00a1 MM |
81 | @$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'" |
82 | $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig) | |
d2036f30 ME |
83 | else |
84 | @$(kecho) "*** Default configuration is based on target '$(KBUILD_DEFCONFIG)'" | |
85 | $(Q)$(MAKE) -f $(srctree)/Makefile $(KBUILD_DEFCONFIG) | |
1da177e4 | 86 | endif |
42f9d3c6 | 87 | endif |
1da177e4 LT |
88 | |
89 | %_defconfig: $(obj)/conf | |
0a1f00a1 | 90 | $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig) |
1da177e4 | 91 | |
63a91033 | 92 | configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@) |
3aaefce1 | 93 | |
63a91033 MY |
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)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig | |
3aaefce1 JT |
98 | |
99 | PHONY += kvmconfig | |
63a91033 MY |
100 | kvmconfig: kvm_guest.config |
101 | @: | |
3aaefce1 | 102 | |
6c668505 LR |
103 | PHONY += xenconfig |
104 | xenconfig: xen.config | |
105 | @: | |
106 | ||
0da1d4a0 | 107 | PHONY += tinyconfig |
63a91033 MY |
108 | tinyconfig: |
109 | $(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config | |
0da1d4a0 | 110 | |
022a4bf6 MY |
111 | # CHECK: -o cache_dir=<path> working? |
112 | PHONY += testconfig | |
113 | testconfig: $(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) | |
117 | clean-dirs += tests/.cache | |
118 | ||
1da177e4 LT |
119 | # Help text used by make help |
120 | help: | |
121 | @echo ' config - Update current config utilising a line-oriented program' | |
bb6d83dd | 122 | @echo ' nconfig - Update current config utilising a ncurses menu based program' |
1da177e4 | 123 | @echo ' menuconfig - Update current config utilising a menu based program' |
092373c2 | 124 | @echo ' xconfig - Update current config utilising a Qt based front-end' |
39c3f1ba | 125 | @echo ' gconfig - Update current config utilising a GTK+ based front-end' |
1da177e4 | 126 | @echo ' oldconfig - Update current config utilising a provided .config as base' |
03fa25da | 127 | @echo ' localmodconfig - Update current config disabling modules not loaded' |
281c9dad | 128 | @echo ' localyesconfig - Update current config converting local mods to core' |
0748cb3e | 129 | @echo ' defconfig - New config with default from ARCH supplied defconfig' |
7cf3d73b | 130 | @echo ' savedefconfig - Save current config as ./defconfig (minimal config)' |
e11f0496 | 131 | @echo ' allnoconfig - New config where all options are answered with no' |
0748cb3e SR |
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' | |
861b4ea4 | 136 | @echo ' listnewconfig - List new options' |
cedd55d4 MH |
137 | @echo ' olddefconfig - Same as oldconfig but sets new symbols to their' |
138 | @echo ' default value without prompting' | |
9bcd776d | 139 | @echo ' kvmconfig - Enable additional options for kvm guest kernel support' |
6c668505 | 140 | @echo ' xenconfig - Enable additional options for xen dom0 and guest kernel support' |
0da1d4a0 | 141 | @echo ' tinyconfig - Configure the tiniest possible kernel' |
d6a0c8a1 | 142 | @echo ' testconfig - Run Kconfig unit tests (requires python3 and pytest)' |
1da177e4 LT |
143 | |
144 | # =========================================================================== | |
1da177e4 | 145 | # object files used by all kconfig flavours |
cbafbf7f | 146 | common-objs := confdata.o expr.o symbol.o preprocess.o zconf.lex.o zconf.tab.o |
1da177e4 | 147 | |
cbafbf7f | 148 | $(obj)/zconf.lex.o: $(obj)/zconf.tab.h |
2f76b358 | 149 | HOSTCFLAGS_zconf.lex.o := -I$(src) |
1da177e4 LT |
150 | HOSTCFLAGS_zconf.tab.o := -I$(src) |
151 | ||
558e78e3 MY |
152 | # conf: Used for defconfig, oldconfig and related targets |
153 | hostprogs-y += conf | |
154 | conf-objs := conf.o $(common-objs) | |
155 | ||
1c5af5cf MY |
156 | # nconf: Used for the nconfig target based on ncurses |
157 | hostprogs-y += nconf | |
558e78e3 | 158 | nconf-objs := nconf.o nconf.gui.o $(common-objs) |
1c5af5cf | 159 | |
8377bd2b | 160 | HOSTLDLIBS_nconf = $(shell . $(obj)/.nconf-cfg && echo $$libs) |
1c5af5cf MY |
161 | HOSTCFLAGS_nconf.o = $(shell . $(obj)/.nconf-cfg && echo $$cflags) |
162 | HOSTCFLAGS_nconf.gui.o = $(shell . $(obj)/.nconf-cfg && echo $$cflags) | |
163 | ||
98a4afbf | 164 | $(obj)/nconf.o $(obj)/nconf.gui.o: $(obj)/.nconf-cfg |
1c5af5cf MY |
165 | |
166 | # mconf: Used for the menuconfig target based on lxdialog | |
167 | hostprogs-y += mconf | |
168 | lxdialog := checklist.o inputbox.o menubox.o textbox.o util.o yesno.o | |
558e78e3 | 169 | mconf-objs := mconf.o $(addprefix lxdialog/, $(lxdialog)) $(common-objs) |
1c5af5cf | 170 | |
8377bd2b | 171 | HOSTLDLIBS_mconf = $(shell . $(obj)/.mconf-cfg && echo $$libs) |
1c5af5cf MY |
172 | $(foreach f, mconf.o $(lxdialog), \ |
173 | $(eval HOSTCFLAGS_$f = $$(shell . $(obj)/.mconf-cfg && echo $$$$cflags))) | |
7080e47b | 174 | |
98a4afbf MY |
175 | $(obj)/mconf.o: $(obj)/.mconf-cfg |
176 | $(addprefix $(obj)/lxdialog/, $(lxdialog)): $(obj)/.mconf-cfg | |
0b669a50 MY |
177 | |
178 | # qconf: Used for the xconfig target based on Qt | |
179 | hostprogs-y += qconf | |
180 | qconf-cxxobjs := qconf.o | |
558e78e3 | 181 | qconf-objs := $(common-objs) |
0b669a50 | 182 | |
8377bd2b | 183 | HOSTLDLIBS_qconf = $(shell . $(obj)/.qconf-cfg && echo $$libs) |
0b669a50 MY |
184 | HOSTCXXFLAGS_qconf.o = $(shell . $(obj)/.qconf-cfg && echo $$cflags) |
185 | ||
186 | $(obj)/qconf.o: $(obj)/.qconf-cfg $(obj)/qconf.moc | |
187 | ||
188 | quiet_cmd_moc = MOC $@ | |
189 | cmd_moc = $(shell . $(obj)/.qconf-cfg && echo $$moc) -i $< -o $@ | |
190 | ||
191 | $(obj)/%.moc: $(src)/%.h $(obj)/.qconf-cfg | |
192 | $(call cmd,moc) | |
1da177e4 | 193 | |
b464ef58 MY |
194 | # gconf: Used for the gconfig target based on GTK+ |
195 | hostprogs-y += gconf | |
558e78e3 | 196 | gconf-objs := gconf.o $(common-objs) |
b464ef58 | 197 | |
8377bd2b | 198 | HOSTLDLIBS_gconf = $(shell . $(obj)/.gconf-cfg && echo $$libs) |
b464ef58 MY |
199 | HOSTCFLAGS_gconf.o = $(shell . $(obj)/.gconf-cfg && echo $$cflags) |
200 | ||
201 | $(obj)/gconf.o: $(obj)/.gconf-cfg | |
1da177e4 | 202 | |
0b669a50 MY |
203 | # check if necessary packages are available, and configure build flags |
204 | define filechk_conf_cfg | |
205 | $(CONFIG_SHELL) $< | |
206 | endef | |
207 | ||
208 | $(obj)/.%conf-cfg: $(src)/%conf-cfg.sh FORCE | |
209 | $(call filechk,conf_cfg) | |
210 | ||
211 | clean-files += .*conf-cfg |