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 | ||
694c49a7 | 6 | PHONY += xconfig gconfig menuconfig config syncconfig \ |
281c9dad | 7 | localmodconfig localyesconfig |
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 | |
cedd55d4 MH |
37 | # This has become an internal implementation detail and is now deprecated |
38 | # for external use. | |
911a91c3 | 39 | syncconfig: $(obj)/conf |
9815594a | 40 | $(Q)mkdir -p include/config include/generated |
0a1f00a1 | 41 | $< $(silent) --$@ $(Kconfig) |
1da177e4 | 42 | |
2a616258 | 43 | localyesconfig localmodconfig: $(obj)/conf |
2a616258 | 44 | $(Q)perl $(srctree)/$(src)/streamline_config.pl --$@ $(srctree) $(Kconfig) > .tmp.config |
7a996d3a | 45 | $(Q)if [ -f .config ]; then \ |
4062f1a4 SR |
46 | cmp -s .tmp.config .config || \ |
47 | (mv -f .config .config.old.1; \ | |
48 | mv -f .tmp.config .config; \ | |
2a616258 | 49 | $< $(silent) --oldconfig $(Kconfig); \ |
4062f1a4 SR |
50 | mv -f .config.old.1 .config.old) \ |
51 | else \ | |
52 | mv -f .tmp.config .config; \ | |
2a616258 | 53 | $< $(silent) --oldconfig $(Kconfig); \ |
a7c02602 | 54 | fi |
03fa25da SR |
55 | $(Q)rm -f .tmp.config |
56 | ||
1cba0c30 MM |
57 | # These targets map 1:1 to the commandline options of 'conf' |
58 | simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \ | |
59 | alldefconfig randconfig listnewconfig olddefconfig | |
60 | PHONY += $(simple-targets) | |
1da177e4 | 61 | |
1cba0c30 | 62 | $(simple-targets): $(obj)/conf |
0a1f00a1 | 63 | $< $(silent) --$@ $(Kconfig) |
1da177e4 | 64 | |
911a91c3 | 65 | PHONY += oldnoconfig silentoldconfig savedefconfig defconfig |
1da177e4 | 66 | |
fb16d891 | 67 | # oldnoconfig is an alias of olddefconfig, because people already are dependent |
39c3f1ba | 68 | # on its behavior (sets new symbols to their default value but not 'n') with the |
fb16d891 | 69 | # counter-intuitive name. |
1cba0c30 | 70 | oldnoconfig: olddefconfig |
312ee687 MY |
71 | @echo " WARNING: \"oldnoconfig\" target will be removed after Linux 4.19" |
72 | @echo " Please use \"olddefconfig\" instead, which is an alias." | |
fb16d891 | 73 | |
911a91c3 MY |
74 | # We do not expect manual invokcation of "silentoldcofig" (or "syncconfig"). |
75 | silentoldconfig: syncconfig | |
76 | @echo " WARNING: \"silentoldconfig\" has been renamed to \"syncconfig\"" | |
77 | @echo " and is now an internal implementation detail." | |
78 | @echo " What you want is probably \"oldconfig\"." | |
79 | @echo " \"silentoldconfig\" will be removed after Linux 4.19" | |
80 | ||
7cf3d73b | 81 | savedefconfig: $(obj)/conf |
0a1f00a1 | 82 | $< $(silent) --$@=defconfig $(Kconfig) |
7cf3d73b | 83 | |
1da177e4 LT |
84 | defconfig: $(obj)/conf |
85 | ifeq ($(KBUILD_DEFCONFIG),) | |
0a1f00a1 | 86 | $< $(silent) --defconfig $(Kconfig) |
42f9d3c6 JB |
87 | else |
88 | ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),) | |
0a1f00a1 MM |
89 | @$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'" |
90 | $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig) | |
d2036f30 ME |
91 | else |
92 | @$(kecho) "*** Default configuration is based on target '$(KBUILD_DEFCONFIG)'" | |
93 | $(Q)$(MAKE) -f $(srctree)/Makefile $(KBUILD_DEFCONFIG) | |
1da177e4 | 94 | endif |
42f9d3c6 | 95 | endif |
1da177e4 LT |
96 | |
97 | %_defconfig: $(obj)/conf | |
0a1f00a1 | 98 | $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig) |
1da177e4 | 99 | |
63a91033 | 100 | configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@) |
3aaefce1 | 101 | |
63a91033 MY |
102 | %.config: $(obj)/conf |
103 | $(if $(call configfiles),, $(error No configuration exists for this target on this architecture)) | |
104 | $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles) | |
105 | +$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig | |
3aaefce1 JT |
106 | |
107 | PHONY += kvmconfig | |
63a91033 MY |
108 | kvmconfig: kvm_guest.config |
109 | @: | |
3aaefce1 | 110 | |
6c668505 LR |
111 | PHONY += xenconfig |
112 | xenconfig: xen.config | |
113 | @: | |
114 | ||
0da1d4a0 | 115 | PHONY += tinyconfig |
63a91033 MY |
116 | tinyconfig: |
117 | $(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config | |
0da1d4a0 | 118 | |
022a4bf6 MY |
119 | # CHECK: -o cache_dir=<path> working? |
120 | PHONY += testconfig | |
121 | testconfig: $(obj)/conf | |
122 | $(PYTHON3) -B -m pytest $(srctree)/$(src)/tests \ | |
123 | -o cache_dir=$(abspath $(obj)/tests/.cache) \ | |
124 | $(if $(findstring 1,$(KBUILD_VERBOSE)),--capture=no) | |
125 | clean-dirs += tests/.cache | |
126 | ||
1da177e4 LT |
127 | # Help text used by make help |
128 | help: | |
129 | @echo ' config - Update current config utilising a line-oriented program' | |
bb6d83dd | 130 | @echo ' nconfig - Update current config utilising a ncurses menu based program' |
1da177e4 | 131 | @echo ' menuconfig - Update current config utilising a menu based program' |
092373c2 | 132 | @echo ' xconfig - Update current config utilising a Qt based front-end' |
39c3f1ba | 133 | @echo ' gconfig - Update current config utilising a GTK+ based front-end' |
1da177e4 | 134 | @echo ' oldconfig - Update current config utilising a provided .config as base' |
03fa25da | 135 | @echo ' localmodconfig - Update current config disabling modules not loaded' |
281c9dad | 136 | @echo ' localyesconfig - Update current config converting local mods to core' |
0748cb3e | 137 | @echo ' defconfig - New config with default from ARCH supplied defconfig' |
7cf3d73b | 138 | @echo ' savedefconfig - Save current config as ./defconfig (minimal config)' |
e11f0496 | 139 | @echo ' allnoconfig - New config where all options are answered with no' |
0748cb3e SR |
140 | @echo ' allyesconfig - New config where all options are accepted with yes' |
141 | @echo ' allmodconfig - New config selecting modules when possible' | |
142 | @echo ' alldefconfig - New config with all symbols set to default' | |
143 | @echo ' randconfig - New config with random answer to all options' | |
861b4ea4 | 144 | @echo ' listnewconfig - List new options' |
cedd55d4 MH |
145 | @echo ' olddefconfig - Same as oldconfig but sets new symbols to their' |
146 | @echo ' default value without prompting' | |
9bcd776d | 147 | @echo ' kvmconfig - Enable additional options for kvm guest kernel support' |
6c668505 | 148 | @echo ' xenconfig - Enable additional options for xen dom0 and guest kernel support' |
0da1d4a0 | 149 | @echo ' tinyconfig - Configure the tiniest possible kernel' |
d6a0c8a1 | 150 | @echo ' testconfig - Run Kconfig unit tests (requires python3 and pytest)' |
1da177e4 LT |
151 | |
152 | # =========================================================================== | |
153 | # Shared Makefile for the various kconfig executables: | |
154 | # conf: Used for defconfig, oldconfig and related targets | |
1da177e4 LT |
155 | # object files used by all kconfig flavours |
156 | ||
1da177e4 | 157 | conf-objs := conf.o zconf.tab.o |
1da177e4 | 158 | |
694c49a7 | 159 | hostprogs-y := conf |
1da177e4 | 160 | |
b23d1a24 | 161 | targets += zconf.lex.c |
694c49a7 | 162 | |
1da177e4 | 163 | # generated files seem to need this to find local include files |
2f76b358 | 164 | HOSTCFLAGS_zconf.lex.o := -I$(src) |
1da177e4 LT |
165 | HOSTCFLAGS_zconf.tab.o := -I$(src) |
166 | ||
1c5af5cf MY |
167 | # nconf: Used for the nconfig target based on ncurses |
168 | hostprogs-y += nconf | |
169 | nconf-objs := nconf.o zconf.tab.o nconf.gui.o | |
170 | ||
171 | HOSTLOADLIBES_nconf = $(shell . $(obj)/.nconf-cfg && echo $$libs) | |
172 | HOSTCFLAGS_nconf.o = $(shell . $(obj)/.nconf-cfg && echo $$cflags) | |
173 | HOSTCFLAGS_nconf.gui.o = $(shell . $(obj)/.nconf-cfg && echo $$cflags) | |
174 | ||
175 | $(obj)/nconf.o: $(obj)/.nconf-cfg | |
176 | ||
177 | # mconf: Used for the menuconfig target based on lxdialog | |
178 | hostprogs-y += mconf | |
179 | lxdialog := checklist.o inputbox.o menubox.o textbox.o util.o yesno.o | |
180 | mconf-objs := mconf.o zconf.tab.o $(addprefix lxdialog/, $(lxdialog)) | |
181 | ||
182 | HOSTLOADLIBES_mconf = $(shell . $(obj)/.mconf-cfg && echo $$libs) | |
183 | $(foreach f, mconf.o $(lxdialog), \ | |
184 | $(eval HOSTCFLAGS_$f = $$(shell . $(obj)/.mconf-cfg && echo $$$$cflags))) | |
7080e47b | 185 | |
1c5af5cf | 186 | $(addprefix $(obj)/, mconf.o $(lxdialog)): $(obj)/.mconf-cfg |
0b669a50 MY |
187 | |
188 | # qconf: Used for the xconfig target based on Qt | |
189 | hostprogs-y += qconf | |
190 | qconf-cxxobjs := qconf.o | |
191 | qconf-objs := zconf.tab.o | |
192 | ||
193 | HOSTLOADLIBES_qconf = $(shell . $(obj)/.qconf-cfg && echo $$libs) | |
194 | HOSTCXXFLAGS_qconf.o = $(shell . $(obj)/.qconf-cfg && echo $$cflags) | |
195 | ||
196 | $(obj)/qconf.o: $(obj)/.qconf-cfg $(obj)/qconf.moc | |
197 | ||
198 | quiet_cmd_moc = MOC $@ | |
199 | cmd_moc = $(shell . $(obj)/.qconf-cfg && echo $$moc) -i $< -o $@ | |
200 | ||
201 | $(obj)/%.moc: $(src)/%.h $(obj)/.qconf-cfg | |
202 | $(call cmd,moc) | |
1da177e4 | 203 | |
b464ef58 MY |
204 | # gconf: Used for the gconfig target based on GTK+ |
205 | hostprogs-y += gconf | |
206 | gconf-objs := gconf.o zconf.tab.o | |
207 | ||
208 | HOSTLOADLIBES_gconf = $(shell . $(obj)/.gconf-cfg && echo $$libs) | |
209 | HOSTCFLAGS_gconf.o = $(shell . $(obj)/.gconf-cfg && echo $$cflags) | |
210 | ||
211 | $(obj)/gconf.o: $(obj)/.gconf-cfg | |
1da177e4 | 212 | |
bb3290d9 | 213 | $(obj)/zconf.tab.o: $(obj)/zconf.lex.c |
1da177e4 | 214 | |
0b669a50 MY |
215 | # check if necessary packages are available, and configure build flags |
216 | define filechk_conf_cfg | |
4ab3b801 | 217 | $(CONFIG_SHELL) $(srctree)/scripts/kconfig/check-pkgconfig.sh; \ |
0b669a50 MY |
218 | $(CONFIG_SHELL) $< |
219 | endef | |
220 | ||
221 | $(obj)/.%conf-cfg: $(src)/%conf-cfg.sh FORCE | |
222 | $(call filechk,conf_cfg) | |
223 | ||
224 | clean-files += .*conf-cfg |