| # SPDX-License-Identifier: GPL-2.0 |
| # =========================================================================== |
| # Kernel configuration targets |
| # These targets are used from top-level makefile |
| |
| PHONY += xconfig gconfig menuconfig config localmodconfig localyesconfig |
| |
| ifdef KBUILD_KCONFIG |
| Kconfig := $(KBUILD_KCONFIG) |
| else |
| Kconfig := Kconfig |
| endif |
| |
| ifeq ($(quiet),silent_) |
| silent := -s |
| endif |
| |
| # We need this, in case the user has it in its environment |
| unexport CONFIG_ |
| |
| xconfig: $(obj)/qconf |
| $< $(silent) $(Kconfig) |
| |
| gconfig: $(obj)/gconf |
| $< $(silent) $(Kconfig) |
| |
| menuconfig: $(obj)/mconf |
| $< $(silent) $(Kconfig) |
| |
| config: $(obj)/conf |
| $< $(silent) --oldaskconfig $(Kconfig) |
| |
| nconfig: $(obj)/nconf |
| $< $(silent) $(Kconfig) |
| |
| localyesconfig localmodconfig: $(obj)/conf |
| $(Q)perl $(srctree)/$(src)/streamline_config.pl --$@ $(srctree) $(Kconfig) > .tmp.config |
| $(Q)if [ -f .config ]; then \ |
| cmp -s .tmp.config .config || \ |
| (mv -f .config .config.old.1; \ |
| mv -f .tmp.config .config; \ |
| $< $(silent) --oldconfig $(Kconfig); \ |
| mv -f .config.old.1 .config.old) \ |
| else \ |
| mv -f .tmp.config .config; \ |
| $< $(silent) --oldconfig $(Kconfig); \ |
| fi |
| $(Q)rm -f .tmp.config |
| |
| # These targets map 1:1 to the commandline options of 'conf' |
| # |
| # Note: |
| # syncconfig has become an internal implementation detail and is now |
| # deprecated for external use |
| simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \ |
| alldefconfig randconfig listnewconfig olddefconfig syncconfig |
| PHONY += $(simple-targets) |
| |
| $(simple-targets): $(obj)/conf |
| $< $(silent) --$@ $(Kconfig) |
| |
| PHONY += oldnoconfig silentoldconfig savedefconfig defconfig |
| |
| # oldnoconfig is an alias of olddefconfig, because people already are dependent |
| # on its behavior (sets new symbols to their default value but not 'n') with the |
| # counter-intuitive name. |
| oldnoconfig: olddefconfig |
| @echo " WARNING: \"oldnoconfig\" target will be removed after Linux 4.19" |
| @echo " Please use \"olddefconfig\" instead, which is an alias." |
| |
| # We do not expect manual invokcation of "silentoldcofig" (or "syncconfig"). |
| silentoldconfig: syncconfig |
| @echo " WARNING: \"silentoldconfig\" has been renamed to \"syncconfig\"" |
| @echo " and is now an internal implementation detail." |
| @echo " What you want is probably \"oldconfig\"." |
| @echo " \"silentoldconfig\" will be removed after Linux 4.19" |
| |
| savedefconfig: $(obj)/conf |
| $< $(silent) --$@=defconfig $(Kconfig) |
| |
| defconfig: $(obj)/conf |
| ifeq ($(KBUILD_DEFCONFIG),) |
| $< $(silent) --defconfig $(Kconfig) |
| else |
| ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),) |
| @$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'" |
| $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig) |
| else |
| @$(kecho) "*** Default configuration is based on target '$(KBUILD_DEFCONFIG)'" |
| $(Q)$(MAKE) -f $(srctree)/Makefile $(KBUILD_DEFCONFIG) |
| endif |
| endif |
| |
| %_defconfig: $(obj)/conf |
| $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig) |
| |
| configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@) |
| |
| %.config: $(obj)/conf |
| $(if $(call configfiles),, $(error No configuration exists for this target on this architecture)) |
| $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles) |
| +$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig |
| |
| PHONY += kvmconfig |
| kvmconfig: kvm_guest.config |
| @: |
| |
| PHONY += xenconfig |
| xenconfig: xen.config |
| @: |
| |
| PHONY += tinyconfig |
| tinyconfig: |
| $(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config |
| |
| # CHECK: -o cache_dir=<path> working? |
| PHONY += testconfig |
| testconfig: $(obj)/conf |
| $(PYTHON3) -B -m pytest $(srctree)/$(src)/tests \ |
| -o cache_dir=$(abspath $(obj)/tests/.cache) \ |
| $(if $(findstring 1,$(KBUILD_VERBOSE)),--capture=no) |
| clean-dirs += tests/.cache |
| |
| # Help text used by make help |
| help: |
| @echo ' config - Update current config utilising a line-oriented program' |
| @echo ' nconfig - Update current config utilising a ncurses menu based program' |
| @echo ' menuconfig - Update current config utilising a menu based program' |
| @echo ' xconfig - Update current config utilising a Qt based front-end' |
| @echo ' gconfig - Update current config utilising a GTK+ based front-end' |
| @echo ' oldconfig - Update current config utilising a provided .config as base' |
| @echo ' localmodconfig - Update current config disabling modules not loaded' |
| @echo ' localyesconfig - Update current config converting local mods to core' |
| @echo ' defconfig - New config with default from ARCH supplied defconfig' |
| @echo ' savedefconfig - Save current config as ./defconfig (minimal config)' |
| @echo ' allnoconfig - New config where all options are answered with no' |
| @echo ' allyesconfig - New config where all options are accepted with yes' |
| @echo ' allmodconfig - New config selecting modules when possible' |
| @echo ' alldefconfig - New config with all symbols set to default' |
| @echo ' randconfig - New config with random answer to all options' |
| @echo ' listnewconfig - List new options' |
| @echo ' olddefconfig - Same as oldconfig but sets new symbols to their' |
| @echo ' default value without prompting' |
| @echo ' kvmconfig - Enable additional options for kvm guest kernel support' |
| @echo ' xenconfig - Enable additional options for xen dom0 and guest kernel support' |
| @echo ' tinyconfig - Configure the tiniest possible kernel' |
| @echo ' testconfig - Run Kconfig unit tests (requires python3 and pytest)' |
| |
| # =========================================================================== |
| # Shared Makefile for the various kconfig executables: |
| # conf: Used for defconfig, oldconfig and related targets |
| # object files used by all kconfig flavours |
| |
| conf-objs := conf.o zconf.tab.o |
| |
| hostprogs-y := conf |
| |
| targets += zconf.lex.c |
| |
| # generated files seem to need this to find local include files |
| HOSTCFLAGS_zconf.lex.o := -I$(src) |
| HOSTCFLAGS_zconf.tab.o := -I$(src) |
| |
| # nconf: Used for the nconfig target based on ncurses |
| hostprogs-y += nconf |
| nconf-objs := nconf.o zconf.tab.o nconf.gui.o |
| |
| HOSTLDLIBS_nconf = $(shell . $(obj)/.nconf-cfg && echo $$libs) |
| HOSTCFLAGS_nconf.o = $(shell . $(obj)/.nconf-cfg && echo $$cflags) |
| HOSTCFLAGS_nconf.gui.o = $(shell . $(obj)/.nconf-cfg && echo $$cflags) |
| |
| $(obj)/nconf.o: $(obj)/.nconf-cfg |
| |
| # mconf: Used for the menuconfig target based on lxdialog |
| hostprogs-y += mconf |
| lxdialog := checklist.o inputbox.o menubox.o textbox.o util.o yesno.o |
| mconf-objs := mconf.o zconf.tab.o $(addprefix lxdialog/, $(lxdialog)) |
| |
| HOSTLDLIBS_mconf = $(shell . $(obj)/.mconf-cfg && echo $$libs) |
| $(foreach f, mconf.o $(lxdialog), \ |
| $(eval HOSTCFLAGS_$f = $$(shell . $(obj)/.mconf-cfg && echo $$$$cflags))) |
| |
| $(addprefix $(obj)/, mconf.o $(lxdialog)): $(obj)/.mconf-cfg |
| |
| # qconf: Used for the xconfig target based on Qt |
| hostprogs-y += qconf |
| qconf-cxxobjs := qconf.o |
| qconf-objs := zconf.tab.o |
| |
| HOSTLDLIBS_qconf = $(shell . $(obj)/.qconf-cfg && echo $$libs) |
| HOSTCXXFLAGS_qconf.o = $(shell . $(obj)/.qconf-cfg && echo $$cflags) |
| |
| $(obj)/qconf.o: $(obj)/.qconf-cfg $(obj)/qconf.moc |
| |
| quiet_cmd_moc = MOC $@ |
| cmd_moc = $(shell . $(obj)/.qconf-cfg && echo $$moc) -i $< -o $@ |
| |
| $(obj)/%.moc: $(src)/%.h $(obj)/.qconf-cfg |
| $(call cmd,moc) |
| |
| # gconf: Used for the gconfig target based on GTK+ |
| hostprogs-y += gconf |
| gconf-objs := gconf.o zconf.tab.o |
| |
| HOSTLDLIBS_gconf = $(shell . $(obj)/.gconf-cfg && echo $$libs) |
| HOSTCFLAGS_gconf.o = $(shell . $(obj)/.gconf-cfg && echo $$cflags) |
| |
| $(obj)/gconf.o: $(obj)/.gconf-cfg |
| |
| $(obj)/zconf.tab.o: $(obj)/zconf.lex.c |
| |
| # check if necessary packages are available, and configure build flags |
| define filechk_conf_cfg |
| $(CONFIG_SHELL) $(srctree)/scripts/kconfig/check-pkgconfig.sh; \ |
| $(CONFIG_SHELL) $< |
| endef |
| |
| $(obj)/.%conf-cfg: $(src)/%conf-cfg.sh FORCE |
| $(call filechk,conf_cfg) |
| |
| clean-files += .*conf-cfg |