+PHONY += $(busybox-dirs)
+$(busybox-dirs): prepare scripts
+ $(Q)$(MAKE) $(build)=$@
+
+# Build the kernel release string
+# The KERNELRELEASE is stored in a file named .kernelrelease
+# to be used when executing for example make install or make modules_install
+#
+# Take the contents of any files called localversion* and the config
+# variable CONFIG_LOCALVERSION and append them to KERNELRELEASE.
+# LOCALVERSION from the command line override all of this
+
+nullstring :=
+space := $(nullstring) # end of line
+
+___localver = $(objtree)/localversion* $(srctree)/localversion*
+__localver = $(sort $(wildcard $(___localver)))
+# skip backup files (containing '~')
+_localver = $(foreach f, $(__localver), $(if $(findstring ~, $(f)),,$(f)))
+
+localver = $(subst $(space),, \
+ $(shell cat /dev/null $(_localver)) \
+ $(patsubst "%",%,$(CONFIG_LOCALVERSION)))
+
+# If CONFIG_LOCALVERSION_AUTO is set scripts/setlocalversion is called
+# and if the SCM is know a tag from the SCM is appended.
+# The appended tag is determinded by the SCM used.
+#
+# Currently, only git is supported.
+# Other SCMs can edit scripts/setlocalversion and add the appropriate
+# checks as needed.
+ifdef _BB_DISABLED_CONFIG_LOCALVERSION_AUTO
+ _localver-auto = $(shell $(CONFIG_SHELL) \
+ $(srctree)/scripts/setlocalversion $(srctree))
+ localver-auto = $(LOCALVERSION)$(_localver-auto)
+endif
+
+localver-full = $(localver)$(localver-auto)
+
+# Store (new) KERNELRELASE string in .kernelrelease
+kernelrelease = $(KERNELVERSION)$(localver-full)
+.kernelrelease: FORCE
+ $(Q)rm -f $@
+ $(Q)echo $(kernelrelease) > $@
+
+
+# Things we need to do before we recursively start building the kernel
+# or the modules are listed in "prepare".
+# A multi level approach is used. prepareN is processed before prepareN-1.
+# archprepare is used in arch Makefiles and when processed asm symlink,
+# version.h and scripts_basic is processed / created.
+
+# Listed in dependency order
+PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3
+
+# prepare-all is deprecated, use prepare as valid replacement
+PHONY += prepare-all
+
+# prepare3 is used to check if we are building in a separate output directory,
+# and if so do:
+# 1) Check that make has not been executed in the kernel src $(srctree)
+# 2) Create the include2 directory, used for the second asm symlink
+prepare3: .kernelrelease
+ifneq ($(KBUILD_SRC),)
+ @echo ' Using $(srctree) as source for busybox'
+ $(Q)if [ -f $(srctree)/.config ]; then \
+ echo " $(srctree) is not clean, please run 'make mrproper'";\
+ echo " in the '$(srctree)' directory.";\
+ /bin/false; \
+ fi;
+ $(Q)if [ ! -d include2 ]; then mkdir -p include2; fi;
+ $(Q)ln -fsn $(srctree)/include/asm-$(ARCH) include2/asm
+endif
+
+# prepare2 creates a makefile if using a separate output directory
+prepare2: prepare3 outputmakefile
+
+prepare1: prepare2 include/config/MARKER
+ifneq ($(KBUILD_MODULES),)
+ $(Q)mkdir -p $(MODVERDIR)
+ $(Q)rm -f $(MODVERDIR)/*
+endif
+
+archprepare: prepare1 scripts_basic
+
+prepare0: archprepare FORCE
+ $(Q)$(MAKE) $(build)=.
+
+# All the preparing..
+prepare prepare-all: prepare0
+
+# Leave this as default for preprocessing busybox.lds.S, which is now
+# done in arch/$(ARCH)/kernel/Makefile
+
+export CPPFLAGS_busybox.lds += -P -C -U$(ARCH)
+
+# FIXME: The asm symlink changes when $(ARCH) changes. That's
+# hard to detect, but I suppose "make mrproper" is a good idea
+# before switching between archs anyway.
+
+#bbox# include/asm:
+#bbox# @echo ' SYMLINK $@ -> include/asm-$(ARCH)'
+#bbox# $(Q)if [ ! -d include ]; then mkdir -p include; fi;
+#bbox# @ln -fsn asm-$(ARCH) $@
+
+# Split autoconf.h into include/linux/config/*
+quiet_cmd_gen_bbconfigopts = GEN include/bbconfigopts.h
+ cmd_gen_bbconfigopts = $(srctree)/scripts/mkconfigs > include/bbconfigopts.h
+quiet_cmd_split_autoconf = SPLIT include/autoconf.h -> include/config/*
+ cmd_split_autoconf = scripts/basic/split-include include/autoconf.h include/config
+#bbox# piggybacked generation of few .h files
+include/config/MARKER: scripts/basic/split-include include/autoconf.h
+ $(call cmd,split_autoconf)
+ $(call cmd,gen_bbconfigopts)
+ @touch $@
+
+# Generate some files
+# ---------------------------------------------------------------------------
+
+# KERNELRELEASE can change from a few different places, meaning version.h
+# needs to be updated, so this check is forced on all builds
+
+uts_len := 64
+
+define filechk_version.h
+ if [ `echo -n "$(KERNELRELEASE)" | wc -c ` -gt $(uts_len) ]; then \
+ echo '"$(KERNELRELEASE)" exceeds $(uts_len) characters' >&2; \
+ exit 1; \
+ fi; \
+ (echo \#define UTS_RELEASE \"$(KERNELRELEASE)\"; \
+ echo \#define LINUX_VERSION_CODE `expr $(VERSION) \\* 65536 + $(PATCHLEVEL) \\* 256 + $(SUBLEVEL)`; \
+ echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))'; \
+ )
+endef
+
+# ---------------------------------------------------------------------------
+
+PHONY += depend dep
+depend dep:
+ @echo '*** Warning: make $@ is unnecessary now.'
+
+# ---------------------------------------------------------------------------
+# Modules
+
+ifdef _BB_DISABLED_CONFIG_MODULES
+
+# By default, build modules as well
+
+all: modules
+
+# Build modules
+
+PHONY += modules
+modules: $(busybox-dirs) $(if $(KBUILD_BUILTIN),busybox)
+ @echo ' Building modules, stage 2.';
+ $(Q)$(MAKE) -rR -f $(srctree)/scripts/Makefile.modpost
+
+
+# Target to prepare building external modules
+PHONY += modules_prepare
+modules_prepare: prepare scripts
+
+# Target to install modules
+PHONY += modules_install
+modules_install: _modinst_ _modinst_post
+
+PHONY += _modinst_
+_modinst_:
+ @if [ -z "`$(DEPMOD) -V 2>/dev/null | grep module-init-tools`" ]; then \
+ echo "Warning: you may need to install module-init-tools"; \
+ echo "See http://www.codemonkey.org.uk/docs/post-halloween-2.6.txt";\
+ sleep 1; \
+ fi
+ @rm -rf $(MODLIB)/kernel
+ @rm -f $(MODLIB)/source
+ @mkdir -p $(MODLIB)/kernel
+ @ln -s $(srctree) $(MODLIB)/source
+ @if [ ! $(objtree) -ef $(MODLIB)/build ]; then \
+ rm -f $(MODLIB)/build ; \
+ ln -s $(objtree) $(MODLIB)/build ; \
+ fi
+ $(Q)$(MAKE) -rR -f $(srctree)/scripts/Makefile.modinst
+
+# If System.map exists, run depmod. This deliberately does not have a
+# dependency on System.map since that would run the dependency tree on
+# busybox. This depmod is only for convenience to give the initial
+# boot a modules.dep even before / is mounted read-write. However the
+# boot script depmod is the master version.
+ifeq "$(strip $(INSTALL_MOD_PATH))" ""
+depmod_opts :=
+else
+depmod_opts := -b $(INSTALL_MOD_PATH) -r
+endif
+PHONY += _modinst_post
+_modinst_post: _modinst_
+ if [ -r System.map -a -x $(DEPMOD) ]; then $(DEPMOD) -ae -F System.map $(depmod_opts) $(KERNELRELEASE); fi
+
+else # CONFIG_MODULES
+
+# Modules not configured
+# ---------------------------------------------------------------------------
+
+modules modules_install: FORCE