215 lines
7.7 KiB
Makefile
215 lines
7.7 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
|
|
# ===========================================================================
|
|
# Kernel configuration targets
|
|
# These targets are used from top-level makefile
|
|
|
|
ifdef KBUILD_KCONFIG
|
|
Kconfig := $(KBUILD_KCONFIG)
|
|
else
|
|
Kconfig := Kconfig
|
|
endif
|
|
|
|
ifndef KBUILD_DEFCONFIG
|
|
KBUILD_DEFCONFIG := defconfig
|
|
endif
|
|
|
|
ifeq ($(quiet),silent_)
|
|
silent := -s
|
|
endif
|
|
|
|
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)
|
|
|
|
# We need this, in case the user has it in its environment
|
|
unexport CONFIG_
|
|
|
|
config-prog := conf
|
|
menuconfig-prog := mconf
|
|
nconfig-prog := nconf
|
|
gconfig-prog := gconf
|
|
xconfig-prog := qconf
|
|
|
|
define config_rule
|
|
PHONY += $(1)
|
|
$(1): $(obj)/$($(1)-prog)
|
|
$(Q)$$< $(silent) $(Kconfig)
|
|
|
|
PHONY += build_$(1)
|
|
build_$(1): $(obj)/$($(1)-prog)
|
|
endef
|
|
|
|
$(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 \
|
|
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 \
|
|
helpnewconfig yes2modconfig mod2yesconfig mod2noconfig
|
|
|
|
PHONY += $(simple-targets)
|
|
|
|
$(simple-targets): $(obj)/conf
|
|
$(Q)$< $(silent) --$@ $(Kconfig)
|
|
|
|
PHONY += savedefconfig defconfig
|
|
|
|
savedefconfig: $(obj)/conf
|
|
$(Q)$< $(silent) --$@=defconfig $(Kconfig)
|
|
|
|
defconfig: $(obj)/conf
|
|
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
|
|
|
|
%_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)$(MAKE) -f $(srctree)/Makefile olddefconfig
|
|
|
|
PHONY += tinyconfig
|
|
tinyconfig:
|
|
$(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
|
|
$(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 ' 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 ' except those preserved by LMC_KEEP environment variable'
|
|
@echo ' localyesconfig - Update current config converting local mods to core'
|
|
@echo ' except those preserved by LMC_KEEP environment variable'
|
|
@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 ' 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)'
|
|
|
|
# ===========================================================================
|
|
# object files used by all kconfig flavours
|
|
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)
|
|
HOSTCFLAGS_parser.tab.o := -I $(srctree)/$(src)
|
|
|
|
# conf: Used for defconfig, oldconfig and related targets
|
|
hostprogs += conf
|
|
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)
|
|
|
|
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 += mconf
|
|
lxdialog := $(addprefix lxdialog/, \
|
|
checklist.o inputbox.o menubox.o textbox.o util.o yesno.o)
|
|
mconf-objs := mconf.o $(lxdialog) $(common-objs)
|
|
|
|
HOSTLDLIBS_mconf = $(shell . $(obj)/mconf-cfg && echo $$libs)
|
|
$(foreach f, mconf.o $(lxdialog), \
|
|
$(eval HOSTCFLAGS_$f = $$(shell . $(obj)/mconf-cfg && echo $$$$cflags)))
|
|
|
|
$(addprefix $(obj)/, mconf.o $(lxdialog)): $(obj)/mconf-cfg
|
|
|
|
# qconf: Used for the xconfig target based on Qt
|
|
hostprogs += qconf
|
|
qconf-cxxobjs := qconf.o qconf-moc.o
|
|
qconf-objs := images.o $(common-objs)
|
|
|
|
HOSTLDLIBS_qconf = $(shell . $(obj)/qconf-cfg && echo $$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
|
|
|
|
quiet_cmd_moc = MOC $@
|
|
cmd_moc = $(shell . $(obj)/qconf-cfg && echo $$moc) $< -o $@
|
|
|
|
$(obj)/qconf-moc.cc: $(src)/qconf.h $(obj)/qconf-cfg FORCE
|
|
$(call if_changed,moc)
|
|
|
|
targets += qconf-moc.cc
|
|
|
|
# gconf: Used for the gconfig target based on GTK+
|
|
hostprogs += gconf
|
|
gconf-objs := gconf.o images.o $(common-objs)
|
|
|
|
HOSTLDLIBS_gconf = $(shell . $(obj)/gconf-cfg && echo $$libs)
|
|
HOSTCFLAGS_gconf.o = $(shell . $(obj)/gconf-cfg && echo $$cflags)
|
|
|
|
$(obj)/gconf.o: $(obj)/gconf-cfg
|
|
|
|
# check if necessary packages are available, and configure build flags
|
|
filechk_conf_cfg = $(CONFIG_SHELL) $<
|
|
|
|
$(obj)/%conf-cfg: $(src)/%conf-cfg.sh FORCE
|
|
$(call filechk,conf_cfg)
|
|
|
|
clean-files += *conf-cfg
|