310 lines
11 KiB
Makefile
310 lines
11 KiB
Makefile
# ===========================================================================
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# Kernel configuration targets
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# These targets are used from top-level makefile
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#
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# SPDX-License-Identifier: GPL-2.0
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#
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PHONY += xconfig gconfig menuconfig config silentoldconfig update-po-config \
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localmodconfig localyesconfig
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# Added for U-Boot
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# Linux has defconfig files in arch/$(SRCARCH)/configs/,
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# on the other hand, U-Boot does in configs/.
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# Set SRCARCH to .. fake this Makefile.
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SRCARCH := ..
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ifdef KBUILD_KCONFIG
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Kconfig := $(KBUILD_KCONFIG)
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else
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Kconfig := Kconfig
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endif
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ifeq ($(quiet),silent_)
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silent := -s
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endif
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# We need this, in case the user has it in its environment
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unexport CONFIG_
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xconfig: $(obj)/qconf
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$< $(silent) $(Kconfig)
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gconfig: $(obj)/gconf
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$< $(silent) $(Kconfig)
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menuconfig: $(obj)/mconf
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$< $(silent) $(Kconfig)
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config: $(obj)/conf
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$< $(silent) --oldaskconfig $(Kconfig)
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nconfig: $(obj)/nconf
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$< $(silent) $(Kconfig)
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silentoldconfig: $(obj)/conf
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$(Q)mkdir -p include/config include/generated
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$(Q)test -e include/generated/autoksyms.h || \
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touch include/generated/autoksyms.h
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$< $(silent) --$@ $(Kconfig)
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localyesconfig localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
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$(Q)mkdir -p include/config include/generated
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$(Q)perl $< --$@ $(srctree) $(Kconfig) > .tmp.config
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$(Q)if [ -f .config ]; then \
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cmp -s .tmp.config .config || \
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(mv -f .config .config.old.1; \
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mv -f .tmp.config .config; \
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$(obj)/conf $(silent) --silentoldconfig $(Kconfig); \
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mv -f .config.old.1 .config.old) \
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else \
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mv -f .tmp.config .config; \
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$(obj)/conf $(silent) --silentoldconfig $(Kconfig); \
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fi
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$(Q)rm -f .tmp.config
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# Create new linux.pot file
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# Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
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update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
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$(Q)$(kecho) " GEN config.pot"
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$(Q)xgettext --default-domain=linux \
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--add-comments --keyword=_ --keyword=N_ \
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--from-code=UTF-8 \
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--files-from=$(srctree)/scripts/kconfig/POTFILES.in \
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--directory=$(srctree) --directory=$(objtree) \
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--output $(obj)/config.pot
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$(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
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$(Q)(for i in `ls $(srctree)/arch/*/Kconfig \
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$(srctree)/arch/*/um/Kconfig`; \
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do \
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$(kecho) " GEN $$i"; \
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$(obj)/kxgettext $$i \
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>> $(obj)/config.pot; \
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done )
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$(Q)$(kecho) " GEN linux.pot"
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$(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
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--output $(obj)/linux.pot
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$(Q)rm -f $(obj)/config.pot
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# These targets map 1:1 to the commandline options of 'conf'
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simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \
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alldefconfig randconfig listnewconfig olddefconfig
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PHONY += $(simple-targets)
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$(simple-targets): $(obj)/conf
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$< $(silent) --$@ $(Kconfig)
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PHONY += oldnoconfig savedefconfig defconfig
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# oldnoconfig is an alias of olddefconfig, because people already are dependent
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# on its behavior (sets new symbols to their default value but not 'n') with the
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# counter-intuitive name.
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oldnoconfig: olddefconfig
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savedefconfig: $(obj)/conf
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$< $(silent) --$@=defconfig $(Kconfig)
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defconfig: $(obj)/conf
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ifeq ($(KBUILD_DEFCONFIG),)
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$< $(silent) --defconfig $(Kconfig)
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else
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ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),)
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@$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
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$(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
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else
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@$(kecho) "*** Default configuration is based on target '$(KBUILD_DEFCONFIG)'"
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$(Q)$(MAKE) -f $(srctree)/Makefile $(KBUILD_DEFCONFIG)
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endif
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endif
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%_defconfig: $(obj)/conf
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$(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
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# Added for U-Boot (backward compatibility)
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%_config: %_defconfig
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@:
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configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@)
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%.config: $(obj)/conf
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$(if $(call configfiles),, $(error No configuration exists for this target on this architecture))
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$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles)
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+$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig
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PHONY += kvmconfig
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kvmconfig: kvm_guest.config
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@:
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PHONY += xenconfig
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xenconfig: xen.config
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@:
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PHONY += tinyconfig
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tinyconfig:
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$(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config
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# Help text used by make help
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help:
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@echo ' config - Update current config utilising a line-oriented program'
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@echo ' nconfig - Update current config utilising a ncurses menu based'
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@echo ' program'
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@echo ' menuconfig - Update current config utilising a menu based program'
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@echo ' xconfig - Update current config utilising a Qt based front-end'
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@echo ' gconfig - Update current config utilising a GTK+ based front-end'
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@echo ' oldconfig - Update current config utilising a provided .config as base'
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@echo ' localmodconfig - Update current config disabling modules not loaded'
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@echo ' localyesconfig - Update current config converting local mods to core'
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@echo ' silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
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@echo ' defconfig - New config with default from ARCH supplied defconfig'
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@echo ' savedefconfig - Save current config as ./defconfig (minimal config)'
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@echo ' allnoconfig - New config where all options are answered with no'
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@echo ' allyesconfig - New config where all options are accepted with yes'
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@echo ' allmodconfig - New config selecting modules when possible'
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@echo ' alldefconfig - New config with all symbols set to default'
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@echo ' randconfig - New config with random answer to all options'
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@echo ' listnewconfig - List new options'
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@echo ' olddefconfig - Same as silentoldconfig but sets new symbols to their'
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@echo ' default value'
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# @echo ' kvmconfig - Enable additional options for kvm guest kernel support'
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# @echo ' xenconfig - Enable additional options for xen dom0 and guest kernel support'
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# @echo ' tinyconfig - Configure the tiniest possible kernel'
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# lxdialog stuff
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check-lxdialog := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
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# Use recursively expanded variables so we do not call gcc unless
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# we really need to do so. (Do not call gcc as part of make mrproper)
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HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
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-DLOCALE
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# ===========================================================================
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# Shared Makefile for the various kconfig executables:
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# conf: Used for defconfig, oldconfig and related targets
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# nconf: Used for the nconfig target.
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# Utilizes ncurses
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# mconf: Used for the menuconfig target
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# Utilizes the lxdialog package
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# qconf: Used for the xconfig target
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# Based on Qt which needs to be installed to compile it
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# gconf: Used for the gconfig target
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# Based on GTK+ which needs to be installed to compile it
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# object files used by all kconfig flavours
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lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
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lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
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conf-objs := conf.o zconf.tab.o
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mconf-objs := mconf.o zconf.tab.o $(lxdialog)
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nconf-objs := nconf.o zconf.tab.o nconf.gui.o
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kxgettext-objs := kxgettext.o zconf.tab.o
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qconf-cxxobjs := qconf.o
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qconf-objs := zconf.tab.o
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gconf-objs := gconf.o zconf.tab.o
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hostprogs-y := conf nconf mconf kxgettext qconf gconf
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clean-files := qconf.moc .tmp_qtcheck .tmp_gtkcheck
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clean-files += zconf.tab.c zconf.lex.c zconf.hash.c gconf.glade.h
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clean-files += config.pot linux.pot
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# Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
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PHONY += $(obj)/dochecklxdialog
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$(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
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$(obj)/dochecklxdialog:
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$(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
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always := dochecklxdialog
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# Add environment specific flags
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HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
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# generated files seem to need this to find local include files
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HOSTCFLAGS_zconf.lex.o := -I$(src)
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HOSTCFLAGS_zconf.tab.o := -I$(src)
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LEX_PREFIX_zconf := zconf
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YACC_PREFIX_zconf := zconf
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HOSTLOADLIBES_qconf = $(KC_QT_LIBS)
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HOSTCXXFLAGS_qconf.o = $(KC_QT_CFLAGS)
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HOSTLOADLIBES_gconf = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
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HOSTCFLAGS_gconf.o = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
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-Wno-missing-prototypes
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HOSTLOADLIBES_mconf = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
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HOSTLOADLIBES_nconf = $(shell \
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pkg-config --libs menuw panelw ncursesw 2>/dev/null \
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|| pkg-config --libs menu panel ncurses 2>/dev/null \
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|| echo "-lmenu -lpanel -lncurses" )
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$(obj)/qconf.o: $(obj)/.tmp_qtcheck
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ifeq ($(MAKECMDGOALS),xconfig)
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$(obj)/.tmp_qtcheck: $(src)/Makefile
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-include $(obj)/.tmp_qtcheck
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# Qt needs some extra effort...
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$(obj)/.tmp_qtcheck:
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@set -e; $(kecho) " CHECK qt"; \
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if pkg-config --exists Qt5Core; then \
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cflags="-std=c++11 -fPIC `pkg-config --cflags Qt5Core Qt5Gui Qt5Widgets`"; \
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libs=`pkg-config --libs Qt5Core Qt5Gui Qt5Widgets`; \
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moc=`pkg-config --variable=host_bins Qt5Core`/moc; \
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elif pkg-config --exists QtCore; then \
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cflags=`pkg-config --cflags QtCore QtGui`; \
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libs=`pkg-config --libs QtCore QtGui`; \
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moc=`pkg-config --variable=moc_location QtCore`; \
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else \
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echo >&2 "*"; \
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echo >&2 "* Could not find Qt via pkg-config."; \
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echo >&2 "* Please install either Qt 4.8 or 5.x. and make sure it's in PKG_CONFIG_PATH"; \
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echo >&2 "*"; \
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exit 1; \
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fi; \
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echo "KC_QT_CFLAGS=$$cflags" > $@; \
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echo "KC_QT_LIBS=$$libs" >> $@; \
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echo "KC_QT_MOC=$$moc" >> $@
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endif
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$(obj)/gconf.o: $(obj)/.tmp_gtkcheck
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ifeq ($(MAKECMDGOALS),gconfig)
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-include $(obj)/.tmp_gtkcheck
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# GTK+ needs some extra effort, too...
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$(obj)/.tmp_gtkcheck:
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@if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then \
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if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then \
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touch $@; \
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else \
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echo >&2 "*"; \
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echo >&2 "* GTK+ is present but version >= 2.0.0 is required."; \
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echo >&2 "*"; \
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false; \
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fi \
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else \
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echo >&2 "*"; \
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echo >&2 "* Unable to find the GTK+ installation. Please make sure that"; \
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echo >&2 "* the GTK+ 2.0 development package is correctly installed..."; \
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echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; \
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echo >&2 "*"; \
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false; \
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fi
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endif
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$(obj)/zconf.tab.o: $(obj)/zconf.lex.c $(obj)/zconf.hash.c
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$(obj)/qconf.o: $(obj)/qconf.moc
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quiet_cmd_moc = MOC $@
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cmd_moc = $(KC_QT_MOC) -i $< -o $@
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$(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck
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$(call cmd,moc)
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# Extract gconf menu items for i18n support
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$(obj)/gconf.glade.h: $(obj)/gconf.glade
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$(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \
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$(obj)/gconf.glade
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