diff options
Diffstat (limited to 'scripts/kconfig/Makefile')
| -rw-r--r-- | scripts/kconfig/Makefile | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile new file mode 100644 index 000000000..67ed9f6cc --- /dev/null +++ b/scripts/kconfig/Makefile @@ -0,0 +1,230 @@ +# SPDX-License-Identifier: GPL-2.0 +# =========================================================================== +# Kernel configuration targets +# These targets are used from top-level makefile + +PHONY += xconfig gconfig menuconfig config localmodconfig localyesconfig \ + build_menuconfig build_nconfig build_gconfig build_xconfig + +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) + +build_menuconfig: $(obj)/mconf + +build_nconfig: $(obj)/nconf + +build_gconfig: $(obj)/gconf + +build_xconfig: $(obj)/qconf + +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 $$cflags) + +$(obj)/nconf.o $(obj)/nconf.gui.o: $(obj)/.nconf-cfg + +# mconf: Used for the menuconfig target based on lxdialog +hostprogs-y += mconf +lxdialog := checklist.o inputbox.o menubox.o textbox.o util.o yesno.o +mconf-objs := mconf.o zconf.tab.o $(addprefix lxdialog/, $(lxdialog)) + +HOSTLDLIBS_mconf = $(shell . $(obj)/.mconf-cfg && echo $$libs) +$(foreach f, mconf.o $(lxdialog), \ + $(eval HOSTCFLAGS_$f = $$(shell . $(obj)/.mconf-cfg && echo $$$$cflags))) + +$(obj)/mconf.o: $(obj)/.mconf-cfg +$(addprefix $(obj)/lxdialog/, $(lxdialog)): $(obj)/.mconf-cfg + +# qconf: Used for the xconfig target based on Qt +hostprogs-y += qconf +qconf-cxxobjs := qconf.o +qconf-objs := zconf.tab.o + +HOSTLDLIBS_qconf = $(shell . $(obj)/.qconf-cfg && echo $$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) $< +endef + +$(obj)/.%conf-cfg: $(src)/%conf-cfg.sh FORCE + $(call filechk,conf_cfg) + +clean-files += .*conf-cfg |