diff options
Diffstat (limited to 'scripts/kconfig/Makefile')
| -rw-r--r-- | scripts/kconfig/Makefile | 146 |
1 files changed, 82 insertions, 64 deletions
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile index 52b59bf9efe4..ea1bf3b3dbde 100644 --- a/scripts/kconfig/Makefile +++ b/scripts/kconfig/Makefile @@ -3,45 +3,59 @@ # 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 := $(KBUILD_KCONFIG) else Kconfig := Kconfig endif +ifndef KBUILD_DEFCONFIG +KBUILD_DEFCONFIG := defconfig +endif + ifeq ($(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) +export KCONFIG_DEFCONFIG_LIST := +ifndef cross_compiling +kernel-release := $(shell uname -r) +KCONFIG_DEFCONFIG_LIST += \ + /lib/modules/$(kernel-release)/.config \ + /etc/kernel-config \ + /boot/config-$(kernel-release) +endif +KCONFIG_DEFCONFIG_LIST += arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) -menuconfig: $(obj)/mconf - $< $(silent) $(Kconfig) +ifneq ($(findstring c, $(KBUILD_EXTRA_WARN)),) +export KCONFIG_WARN_UNKNOWN_SYMBOLS=1 +endif -config: $(obj)/conf - $< $(silent) --oldaskconfig $(Kconfig) +ifneq ($(findstring e, $(KBUILD_EXTRA_WARN)),) +export KCONFIG_WERROR=1 +endif -nconfig: $(obj)/nconf - $< $(silent) $(Kconfig) +# We need this, in case the user has it in its environment +unexport CONFIG_ -build_menuconfig: $(obj)/mconf +config-prog := conf +menuconfig-prog := mconf +nconfig-prog := nconf +gconfig-prog := gconf +xconfig-prog := qconf -build_nconfig: $(obj)/nconf +define config_rule +PHONY += $(1) +$(1): $(obj)/$($(1)-prog) + $(Q)$$< $(silent) $(Kconfig) -build_gconfig: $(obj)/gconf +PHONY += build_$(1) +build_$(1): $(obj)/$($(1)-prog) +endef -build_xconfig: $(obj)/qconf +$(foreach c, config menuconfig nconfig gconfig xconfig, $(eval $(call config_rule,$(c)))) +PHONY += localmodconfig localyesconfig localyesconfig localmodconfig: $(obj)/conf $(Q)$(PERL) $(srctree)/$(src)/streamline_config.pl --$@ $(srctree) $(Kconfig) > .tmp.config $(Q)if [ -f .config ]; then \ @@ -63,17 +77,17 @@ localyesconfig localmodconfig: $(obj)/conf # deprecated for external use simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \ alldefconfig randconfig listnewconfig olddefconfig syncconfig \ - helpnewconfig yes2modconfig mod2yesconfig + helpnewconfig yes2modconfig mod2yesconfig mod2noconfig PHONY += $(simple-targets) $(simple-targets): $(obj)/conf - $< $(silent) --$@ $(Kconfig) + $(Q)$< $(silent) --$@ $(Kconfig) PHONY += savedefconfig defconfig savedefconfig: $(obj)/conf - $< $(silent) --$@=defconfig $(Kconfig) + $(Q)$< $(silent) --$@=defconfig $(Kconfig) defconfig: $(obj)/conf ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),) @@ -87,37 +101,31 @@ endif %_defconfig: $(obj)/conf $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig) -configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@) +configfiles = $(wildcard $(srctree)/kernel/configs/$(1) $(srctree)/arch/$(SRCARCH)/configs/$(1)) +all-config-fragments = $(call configfiles,*.config) +config-fragments = $(call configfiles,$@) %.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) + $(if $(config-fragments),, $(error $@ fragment does not exists on this architecture)) + $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m $(KCONFIG_CONFIG) $(config-fragments) $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig -PHONY += kvmconfig -kvmconfig: kvm_guest.config - @echo >&2 "WARNING: 'make $@' will be removed after Linux 5.10" - @echo >&2 " Please use 'make $<' instead." - -PHONY += xenconfig -xenconfig: xen.config - @echo >&2 "WARNING: 'make $@' will be removed after Linux 5.10" - @echo >&2 " Please use 'make $<' instead." - PHONY += tinyconfig tinyconfig: - $(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config + $(Q)KCONFIG_ALLCONFIG=kernel/configs/tiny-base.config $(MAKE) -f $(srctree)/Makefile allnoconfig + $(Q)$(MAKE) -f $(srctree)/Makefile tiny.config # CHECK: -o cache_dir=<path> working? PHONY += testconfig testconfig: $(obj)/conf - $(PYTHON3) -B -m pytest $(srctree)/$(src)/tests \ + $(Q)$(PYTHON3) -B -m pytest $(srctree)/$(src)/tests \ -o cache_dir=$(abspath $(obj)/tests/.cache) \ $(if $(findstring 1,$(KBUILD_VERBOSE)),--capture=no) clean-files += tests/.cache # Help text used by make help help: + @echo 'Configuration targets:' @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' @@ -137,17 +145,24 @@ help: @echo ' randconfig - New config with random answer to all options' @echo ' yes2modconfig - Change answers from yes to mod if possible' @echo ' mod2yesconfig - Change answers from mod to yes if possible' + @echo ' mod2noconfig - Change answers from mod to no if possible' @echo ' listnewconfig - List new options' @echo ' helpnewconfig - List new options and help text' @echo ' olddefconfig - Same as oldconfig but sets new symbols to their' @echo ' default value without prompting' @echo ' tinyconfig - Configure the tiniest possible kernel' @echo ' testconfig - Run Kconfig unit tests (requires python3 and pytest)' + @echo '' + @echo 'Configuration topic targets:' + @$(foreach f, $(all-config-fragments), \ + if help=$$(grep -m1 '^# Help: ' $(f)); then \ + printf ' %-25s - %s\n' '$(notdir $(f))' "$${help#*: }"; \ + fi;) # =========================================================================== # object files used by all kconfig flavours -common-objs := confdata.o expr.o lexer.lex.o parser.tab.o preprocess.o \ - symbol.o util.o +common-objs := confdata.o expr.o lexer.lex.o menu.o parser.tab.o \ + preprocess.o symbol.o util.o $(obj)/lexer.lex.o: $(obj)/parser.tab.h HOSTCFLAGS_lexer.lex.o := -I $(srctree)/$(src) @@ -159,41 +174,43 @@ conf-objs := conf.o $(common-objs) # nconf: Used for the nconfig target based on ncurses hostprogs += nconf -nconf-objs := nconf.o nconf.gui.o $(common-objs) +nconf-objs := nconf.o nconf.gui.o mnconf-common.o $(common-objs) -HOSTLDLIBS_nconf = $(shell . $(obj)/nconf-cfg && echo $$libs) -HOSTCFLAGS_nconf.o = $(shell . $(obj)/nconf-cfg && echo $$cflags) -HOSTCFLAGS_nconf.gui.o = $(shell . $(obj)/nconf-cfg && echo $$cflags) +HOSTLDLIBS_nconf = $(call read-file, $(obj)/nconf-libs) +HOSTCFLAGS_nconf.o = $(call read-file, $(obj)/nconf-cflags) +HOSTCFLAGS_nconf.gui.o = $(call read-file, $(obj)/nconf-cflags) -$(obj)/nconf.o $(obj)/nconf.gui.o: $(obj)/nconf-cfg +$(obj)/nconf: | $(obj)/nconf-libs +$(obj)/nconf.o $(obj)/nconf.gui.o: | $(obj)/nconf-cflags # mconf: Used for the menuconfig target based on lxdialog hostprogs += mconf lxdialog := $(addprefix lxdialog/, \ checklist.o inputbox.o menubox.o textbox.o util.o yesno.o) -mconf-objs := mconf.o $(lxdialog) $(common-objs) +mconf-objs := mconf.o $(lxdialog) mnconf-common.o $(common-objs) -HOSTLDLIBS_mconf = $(shell . $(obj)/mconf-cfg && echo $$libs) +HOSTLDLIBS_mconf = $(call read-file, $(obj)/mconf-libs) $(foreach f, mconf.o $(lxdialog), \ - $(eval HOSTCFLAGS_$f = $$(shell . $(obj)/mconf-cfg && echo $$$$cflags))) + $(eval HOSTCFLAGS_$f = $$(call read-file, $(obj)/mconf-cflags))) -$(addprefix $(obj)/, mconf.o $(lxdialog)): $(obj)/mconf-cfg +$(obj)/mconf: | $(obj)/mconf-libs +$(addprefix $(obj)/, mconf.o $(lxdialog)): | $(obj)/mconf-cflags # qconf: Used for the xconfig target based on Qt hostprogs += qconf qconf-cxxobjs := qconf.o qconf-moc.o qconf-objs := images.o $(common-objs) -HOSTLDLIBS_qconf = $(shell . $(obj)/qconf-cfg && echo $$libs) -HOSTCXXFLAGS_qconf.o = $(shell . $(obj)/qconf-cfg && echo $$cflags) -HOSTCXXFLAGS_qconf-moc.o = $(shell . $(obj)/qconf-cfg && echo $$cflags) - -$(obj)/qconf.o: $(obj)/qconf-cfg +HOSTLDLIBS_qconf = $(call read-file, $(obj)/qconf-libs) +HOSTCXXFLAGS_qconf.o = -std=c++11 -fPIC $(call read-file, $(obj)/qconf-cflags) +HOSTCXXFLAGS_qconf-moc.o = -std=c++11 -fPIC $(call read-file, $(obj)/qconf-cflags) +$(obj)/qconf: | $(obj)/qconf-libs +$(obj)/qconf.o $(obj)/qconf-moc.o: | $(obj)/qconf-cflags quiet_cmd_moc = MOC $@ - cmd_moc = $(shell . $(obj)/qconf-cfg && echo $$moc) $< -o $@ + cmd_moc = $(call read-file, $(obj)/qconf-bin)/moc $< -o $@ -$(obj)/qconf-moc.cc: $(src)/qconf.h $(obj)/qconf-cfg FORCE +$(obj)/qconf-moc.cc: $(src)/qconf.h FORCE | $(obj)/qconf-bin $(call if_changed,moc) targets += qconf-moc.cc @@ -202,15 +219,16 @@ targets += qconf-moc.cc hostprogs += gconf gconf-objs := gconf.o images.o $(common-objs) -HOSTLDLIBS_gconf = $(shell . $(obj)/gconf-cfg && echo $$libs) -HOSTCFLAGS_gconf.o = $(shell . $(obj)/gconf-cfg && echo $$cflags) +HOSTLDLIBS_gconf = $(call read-file, $(obj)/gconf-libs) +HOSTCFLAGS_gconf.o = $(call read-file, $(obj)/gconf-cflags) -$(obj)/gconf.o: $(obj)/gconf-cfg +$(obj)/gconf: | $(obj)/gconf-libs +$(obj)/gconf.o: | $(obj)/gconf-cflags # check if necessary packages are available, and configure build flags -filechk_conf_cfg = $(CONFIG_SHELL) $< +cmd_conf_cfg = $< $(addprefix $(obj)/$*conf-, cflags libs bin); touch $(obj)/$*conf-bin -$(obj)/%conf-cfg: $(src)/%conf-cfg.sh FORCE - $(call filechk,conf_cfg) +$(obj)/%conf-cflags $(obj)/%conf-libs $(obj)/%conf-bin: $(src)/%conf-cfg.sh + $(call cmd,conf_cfg) -clean-files += *conf-cfg +clean-files += *conf-cflags *conf-libs *conf-bin |