Martin Roth | be08c1d | 2024-02-16 09:12:33 -0700 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0-only |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 2 | # =========================================================================== |
| 3 | # Kernel configuration targets |
| 4 | # These targets are used from top-level makefile |
| 5 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 6 | ifdef KBUILD_KCONFIG |
| 7 | Kconfig := $(KBUILD_KCONFIG) |
| 8 | else |
| 9 | Kconfig := Kconfig |
| 10 | endif |
Patrick Georgi | 4647bb1 | 2015-06-11 09:45:00 +0200 | [diff] [blame] | 11 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 12 | ifndef KBUILD_DEFCONFIG |
| 13 | KBUILD_DEFCONFIG := defconfig |
| 14 | endif |
Patrick Georgi | db6dd81 | 2015-06-11 09:55:43 +0200 | [diff] [blame] | 15 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 16 | ifeq ($(quiet),silent_) |
| 17 | silent := -s |
| 18 | endif |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 19 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 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)/configs/$(KBUILD_DEFCONFIG) |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 29 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 30 | # We need this, in case the user has it in its environment |
| 31 | unexport CONFIG_ |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 32 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 33 | config-prog := conf |
| 34 | menuconfig-prog := mconf |
| 35 | nconfig-prog := nconf |
| 36 | gconfig-prog := gconf |
| 37 | xconfig-prog := qconf |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 38 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 39 | define config_rule |
| 40 | PHONY += $(1) |
| 41 | $(1): $(obj)/$($(1)-prog) |
| 42 | $(Q)$$< $(silent) $(Kconfig) |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 43 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 44 | PHONY += build_$(1) |
| 45 | build_$(1): $(obj)/$($(1)-prog) |
| 46 | endef |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 47 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 48 | $(foreach c, config menuconfig nconfig gconfig xconfig, $(eval $(call config_rule,$(c)))) |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 49 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 50 | PHONY += localmodconfig localyesconfig |
| 51 | localyesconfig localmodconfig: $(obj)/conf |
| 52 | $(Q)$(PERL) $(srctree)/$(src)/streamline_config.pl --$@ $(srctree) $(Kconfig) > .tmp.config |
| 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); \ |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 62 | fi |
| 63 | $(Q)rm -f .tmp.config |
| 64 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 65 | # These targets map 1:1 to the commandline options of 'conf' |
| 66 | # |
| 67 | # Note: |
| 68 | # syncconfig has become an internal implementation detail and is now |
| 69 | # deprecated for external use |
| 70 | simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \ |
| 71 | alldefconfig randconfig listnewconfig olddefconfig syncconfig \ |
Patrick Georgi | 7eb03cb | 2022-10-28 01:00:26 +0200 | [diff] [blame] | 72 | helpnewconfig yes2modconfig mod2yesconfig mod2noconfig |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 73 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 74 | PHONY += $(simple-targets) |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 75 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 76 | $(simple-targets): $(obj)/conf |
| 77 | $(Q)$< $(silent) --$@ $(Kconfig) |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 78 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 79 | PHONY += savedefconfig defconfig |
Martin Roth | f099e1b | 2015-06-07 20:30:28 -0600 | [diff] [blame] | 80 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 81 | savedefconfig: $(obj)/conf |
| 82 | $(Q)$< $(silent) --$@=defconfig $(Kconfig) |
| 83 | |
| 84 | defconfig: $(obj)/conf |
| 85 | ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),) |
| 86 | @$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'" |
| 87 | $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig) |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 88 | else |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 89 | @$(kecho) "*** Default configuration is based on target '$(KBUILD_DEFCONFIG)'" |
| 90 | $(Q)$(MAKE) -f $(srctree)/Makefile $(KBUILD_DEFCONFIG) |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 91 | endif |
| 92 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 93 | %_defconfig: $(obj)/conf |
| 94 | $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig) |
Martin Roth | 56354d5 | 2015-08-18 14:30:27 -0600 | [diff] [blame] | 95 | |
Patrick Georgi | 0eab62b | 2023-11-20 19:49:29 +0100 | [diff] [blame] | 96 | configfiles = $(wildcard $(srctree)/kernel/configs/$(1) $(srctree)/arch/$(SRCARCH)/configs/$(1)) |
| 97 | all-config-fragments = $(call configfiles,*.config) |
| 98 | config-fragments = $(call configfiles,$@) |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 99 | |
| 100 | %.config: $(obj)/conf |
Patrick Georgi | 0eab62b | 2023-11-20 19:49:29 +0100 | [diff] [blame] | 101 | $(if $(config-fragments),, $(error $@ fragment does not exists on this architecture)) |
| 102 | $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(config-fragments) |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 103 | $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig |
| 104 | |
| 105 | PHONY += tinyconfig |
| 106 | tinyconfig: |
| 107 | $(Q)KCONFIG_ALLCONFIG=kernel/configs/tiny-base.config $(MAKE) -f $(srctree)/Makefile allnoconfig |
| 108 | $(Q)$(MAKE) -f $(srctree)/Makefile tiny.config |
| 109 | |
| 110 | # CHECK: -o cache_dir=<path> working? |
| 111 | PHONY += testconfig |
| 112 | testconfig: $(obj)/conf |
| 113 | $(Q)$(PYTHON3) -B -m pytest $(srctree)/$(src)/tests \ |
| 114 | -o cache_dir=$(abspath $(obj)/tests/.cache) \ |
| 115 | $(if $(findstring 1,$(KBUILD_VERBOSE)),--capture=no) |
| 116 | clean-files += tests/.cache |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 117 | |
| 118 | # Help text used by make help |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 119 | help: |
Patrick Georgi | 0eab62b | 2023-11-20 19:49:29 +0100 | [diff] [blame] | 120 | @echo 'Configuration targets:' |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 121 | @echo ' config - Update current config utilising a line-oriented program' |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 122 | @echo ' nconfig - Update current config utilising a ncurses menu based program' |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 123 | @echo ' menuconfig - Update current config utilising a menu based program' |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 124 | @echo ' xconfig - Update current config utilising a Qt based front-end' |
| 125 | @echo ' gconfig - Update current config utilising a GTK+ based front-end' |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 126 | @echo ' oldconfig - Update current config utilising a provided .config as base' |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 127 | @echo ' localmodconfig - Update current config disabling modules not loaded' |
| 128 | @echo ' except those preserved by LMC_KEEP environment variable' |
| 129 | @echo ' localyesconfig - Update current config converting local mods to core' |
| 130 | @echo ' except those preserved by LMC_KEEP environment variable' |
| 131 | @echo ' defconfig - New config with default from ARCH supplied defconfig' |
Martin Roth | f099e1b | 2015-06-07 20:30:28 -0600 | [diff] [blame] | 132 | @echo ' savedefconfig - Save current config as ./defconfig (minimal config)' |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 133 | @echo ' allnoconfig - New config where all options are answered with no' |
| 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' |
| 138 | @echo ' yes2modconfig - Change answers from yes to mod if possible' |
| 139 | @echo ' mod2yesconfig - Change answers from mod to yes if possible' |
Patrick Georgi | 7eb03cb | 2022-10-28 01:00:26 +0200 | [diff] [blame] | 140 | @echo ' mod2noconfig - Change answers from mod to no if possible' |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 141 | @echo ' listnewconfig - List new options' |
| 142 | @echo ' helpnewconfig - List new options and help text' |
| 143 | @echo ' olddefconfig - Same as oldconfig but sets new symbols to their' |
| 144 | @echo ' default value without prompting' |
| 145 | @echo ' tinyconfig - Configure the tiniest possible kernel' |
| 146 | @echo ' testconfig - Run Kconfig unit tests (requires python3 and pytest)' |
Patrick Georgi | 0eab62b | 2023-11-20 19:49:29 +0100 | [diff] [blame] | 147 | @echo '' |
| 148 | @echo 'Configuration topic targets:' |
| 149 | @$(foreach f, $(all-config-fragments), \ |
| 150 | if help=$$(grep -m1 '^# Help: ' $(f)); then \ |
| 151 | printf ' %-25s - %s\n' '$(notdir $(f))' "$${help#*: }"; \ |
| 152 | fi;) |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 153 | |
| 154 | # =========================================================================== |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 155 | # object files used by all kconfig flavours |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 156 | common-objs := confdata.o expr.o lexer.lex.o menu.o parser.tab.o \ |
| 157 | preprocess.o symbol.o util.o |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 158 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 159 | $(obj)/lexer.lex.o: $(obj)/parser.tab.h |
| 160 | HOSTCFLAGS_lexer.lex.o := -I $(srctree)/$(src) |
| 161 | HOSTCFLAGS_parser.tab.o := -I $(srctree)/$(src) |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 162 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 163 | # conf: Used for defconfig, oldconfig and related targets |
| 164 | hostprogs += conf |
| 165 | conf-objs := conf.o $(common-objs) |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 166 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 167 | # nconf: Used for the nconfig target based on ncurses |
| 168 | hostprogs += nconf |
| 169 | nconf-objs := nconf.o nconf.gui.o $(common-objs) |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 170 | |
Patrick Georgi | 7eab8ef | 2023-11-20 18:03:34 +0100 | [diff] [blame] | 171 | HOSTLDLIBS_nconf = $(call read-file, $(obj)/nconf-libs) |
| 172 | HOSTCFLAGS_nconf.o = $(call read-file, $(obj)/nconf-cflags) |
| 173 | HOSTCFLAGS_nconf.gui.o = $(call read-file, $(obj)/nconf-cflags) |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 174 | |
Patrick Georgi | 7eab8ef | 2023-11-20 18:03:34 +0100 | [diff] [blame] | 175 | $(obj)/nconf: | $(obj)/nconf-libs |
| 176 | $(obj)/nconf.o $(obj)/nconf.gui.o: | $(obj)/nconf-cflags |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 177 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 178 | # mconf: Used for the menuconfig target based on lxdialog |
| 179 | hostprogs += mconf |
| 180 | lxdialog := $(addprefix lxdialog/, \ |
| 181 | checklist.o inputbox.o menubox.o textbox.o util.o yesno.o) |
| 182 | mconf-objs := mconf.o $(lxdialog) $(common-objs) |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 183 | |
Patrick Georgi | 7eab8ef | 2023-11-20 18:03:34 +0100 | [diff] [blame] | 184 | HOSTLDLIBS_mconf = $(call read-file, $(obj)/mconf-libs) |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 185 | $(foreach f, mconf.o $(lxdialog), \ |
Patrick Georgi | 7eab8ef | 2023-11-20 18:03:34 +0100 | [diff] [blame] | 186 | $(eval HOSTCFLAGS_$f = $$(call read-file, $(obj)/mconf-cflags))) |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 187 | |
Patrick Georgi | 7eab8ef | 2023-11-20 18:03:34 +0100 | [diff] [blame] | 188 | $(obj)/mconf: | $(obj)/mconf-libs |
| 189 | $(addprefix $(obj)/, mconf.o $(lxdialog)): | $(obj)/mconf-cflags |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 190 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 191 | # qconf: Used for the xconfig target based on Qt |
| 192 | hostprogs += qconf |
| 193 | qconf-cxxobjs := qconf.o qconf-moc.o |
| 194 | qconf-objs := images.o $(common-objs) |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 195 | |
Patrick Georgi | 7eab8ef | 2023-11-20 18:03:34 +0100 | [diff] [blame] | 196 | HOSTLDLIBS_qconf = $(call read-file, $(obj)/qconf-libs) |
| 197 | HOSTCXXFLAGS_qconf.o = -std=c++11 -fPIC $(call read-file, $(obj)/qconf-cflags) |
| 198 | HOSTCXXFLAGS_qconf-moc.o = -std=c++11 -fPIC $(call read-file, $(obj)/qconf-cflags) |
| 199 | $(obj)/qconf: | $(obj)/qconf-libs |
| 200 | $(obj)/qconf.o $(obj)/qconf-moc.o: | $(obj)/qconf-cflags |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 201 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 202 | quiet_cmd_moc = MOC $@ |
Patrick Georgi | 7eab8ef | 2023-11-20 18:03:34 +0100 | [diff] [blame] | 203 | cmd_moc = $(call read-file, $(obj)/qconf-bin)/moc $< -o $@ |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 204 | |
Patrick Georgi | 7eab8ef | 2023-11-20 18:03:34 +0100 | [diff] [blame] | 205 | $(obj)/qconf-moc.cc: $(src)/qconf.h FORCE | $(obj)/qconf-bin |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 206 | $(call if_changed,moc) |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 207 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 208 | targets += qconf-moc.cc |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 209 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 210 | # gconf: Used for the gconfig target based on GTK+ |
| 211 | hostprogs += gconf |
| 212 | gconf-objs := gconf.o images.o $(common-objs) |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 213 | |
Patrick Georgi | 7eab8ef | 2023-11-20 18:03:34 +0100 | [diff] [blame] | 214 | HOSTLDLIBS_gconf = $(call read-file, $(obj)/gconf-libs) |
| 215 | HOSTCFLAGS_gconf.o = $(call read-file, $(obj)/gconf-cflags) |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 216 | |
Patrick Georgi | 7eab8ef | 2023-11-20 18:03:34 +0100 | [diff] [blame] | 217 | $(obj)/gconf: | $(obj)/gconf-libs |
| 218 | $(obj)/gconf.o: | $(obj)/gconf-cflags |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 219 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 220 | # check if necessary packages are available, and configure build flags |
Patrick Georgi | 7eab8ef | 2023-11-20 18:03:34 +0100 | [diff] [blame] | 221 | cmd_conf_cfg = $< $(addprefix $(obj)/$*conf-, cflags libs bin); touch $(obj)/$*conf-bin |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 222 | |
Patrick Georgi | 7eab8ef | 2023-11-20 18:03:34 +0100 | [diff] [blame] | 223 | $(obj)/%conf-cflags $(obj)/%conf-libs $(obj)/%conf-bin: $(src)/%conf-cfg.sh |
| 224 | $(call cmd,conf_cfg) |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 225 | |
Patrick Georgi | 7eab8ef | 2023-11-20 18:03:34 +0100 | [diff] [blame] | 226 | clean-files += *conf-cflags *conf-libs *conf-bin |