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path: root/mk/kernel-build.mk
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# This file is part of the OpenADK project. OpenADK is copyrighted
# material, please see the LICENCE file in the top-level directory.

include $(TOPDIR)/rules.mk
include $(TOPDIR)/mk/linux.mk
include ${TOPDIR}/mk/kernel-vars.mk

$(TOOLCHAIN_BUILD_DIR)/w-$(PKG_NAME)-$(PKG_VERSION)-$(PKG_RELEASE)/linux-$(KERNEL_VERSION)/.patched:
	$(TRACE) target/kernel-patch
	$(PATCH) $(TOOLCHAIN_BUILD_DIR)/w-$(PKG_NAME)-$(PKG_VERSION)-$(PKG_RELEASE)/linux-$(KERNEL_VERSION) \
		../linux/patches/$(KERNEL_VERSION) *.patch $(MAKE_TRACE)
	touch $@

$(LINUX_DIR)/.prepared: $(TOOLCHAIN_BUILD_DIR)/w-$(PKG_NAME)-$(PKG_VERSION)-$(PKG_RELEASE)/linux-$(KERNEL_VERSION)/.patched
	$(TRACE) target/kernel-prepare
	ln -sf $(TOOLCHAIN_BUILD_DIR)/w-$(PKG_NAME)-$(PKG_VERSION)-$(PKG_RELEASE)/linux-$(KERNEL_VERSION) $(LINUX_DIR)
	mkdir -p $(LINUX_BUILD_DIR)/kmod-control
	touch $@

$(LINUX_DIR)/.config: $(LINUX_DIR)/.prepared $(BUILD_DIR)/.kernelconfig $(TOPDIR)/mk/modules.mk
	$(TRACE) target/$(ADK_TARGET_ARCH)-kernel-configure
	for f in $(TARGETS);do if [ -f $$f ];then rm $$f;fi;done $(MAKE_TRACE)
	$(CP) $(BUILD_DIR)/.kernelconfig $(LINUX_DIR)/.config
	echo N | ${KERNEL_MAKE_ENV} $(MAKE) ${KERNEL_MAKE_OPTS} oldconfig $(MAKE_TRACE)
	${KERNEL_MAKE_ENV} $(MAKE) ${KERNEL_MAKE_OPTS} prepare scripts $(MAKE_TRACE)
	touch -c $(LINUX_DIR)/.config

$(LINUX_DIR)/vmlinux: $(LINUX_DIR)/.config
	$(TRACE) target/$(ADK_TARGET_ARCH)-kernel-compile
	${KERNEL_MAKE_ENV} $(MAKE) ${KERNEL_MAKE_OPTS} -j${ADK_MAKE_JOBS} LOCALVERSION="" $(MAKE_TRACE)
	$(TRACE) target/$(ADK_TARGET_ARCH)-kernel-modules-install
	rm -rf $(LINUX_BUILD_DIR)/modules
	${KERNEL_MAKE_ENV} $(MAKE) ${KERNEL_MAKE_OPTS} DEPMOD=true \
		INSTALL_MOD_PATH=$(LINUX_BUILD_DIR)/modules \
		LOCALVERSION="" \
		modules_install $(MAKE_TRACE)
	$(TRACE) target/$(ADK_TARGET_ARCH)-create-packages
ifneq ($(strip $(TARGETS)),)
	$(MAKE) $(TARGETS)
endif
	touch -c $(LINUX_DIR)/vmlinux

prepare:
compile: $(LINUX_DIR)/vmlinux
install: compile
ifneq ($(strip $(INSTALL_TARGETS)),)
	$(TRACE) target/${ADK_TARGET_ARCH}-modules-install
ifeq ($(ADK_TARGET_PACKAGE_IPKG),y)
	$(PKG_INSTALL) $(INSTALL_TARGETS) $(MAKE_TRACE)
else
	$(foreach pkg,$(INSTALL_TARGETS),$(shell $(PKG_INSTALL) $(pkg)))
endif
endif

clean:
	rm -rf $(LINUX_BUILD_DIR)
	rm -f $(TARGETS)