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LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2
LINUX_SITE=http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL) \
http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL) \
http://www.kernel.org/pub/linux/kernel/v$(KERNEL) \
http://www.de.kernel.org/pub/linux/kernel/v$(KERNEL)
KERNEL_IDIR:=$(LINUX_BUILD_DIR)/kernel-ipkg
$(TARGETS): $(PACKAGE_DIR)
$(PACKAGE_DIR):
mkdir -p $(PACKAGE_DIR)
$(DL_DIR)/$(LINUX_SOURCE):
-mkdir -p $(DL_DIR)
$(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_SITE)
$(LINUX_DIR)/.unpacked: $(DL_DIR)/$(LINUX_SOURCE)
-mkdir -p $(LINUX_BUILD_DIR)
bzcat $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(LINUX_BUILD_DIR) $(TAR_OPTIONS) -
touch $@
ifeq ($(KERNEL),2.4)
$(LINUX_DIR)/.configured: $(LINUX_DIR)/.patched
$(SED) "s,^CROSS_COMPILE.*,CROSS_COMPILE=$(KERNEL_CROSS),g;" \
$(LINUX_DIR)/Makefile \
$(LINUX_DIR)/arch/*/Makefile
$(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile
$(MAKE) -C $(LINUX_DIR) ARCH=$(LINUX_KARCH) oldconfig include/linux/compile.h include/linux/version.h
touch $@
$(LINUX_DIR)/.depend_done: $(LINUX_DIR)/.configured
$(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) dep
touch $@
$(LINUX_DIR)/vmlinux: $(LINUX_DIR)/.depend_done
else
$(LINUX_DIR)/.configured: $(LINUX_DIR)/.patched
$(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) oldconfig prepare scripts
touch $@
endif
$(LINUX_DIR)/vmlinux: $(STAMP_DIR)/.linux-compile
$(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) PATH=$(TARGET_PATH)
$(LINUX_KERNEL): $(LINUX_DIR)/vmlinux
$(TARGET_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $< $@
touch -c $(LINUX_KERNEL)
$(LINUX_DIR)/.modules_done:
rm -rf $(LINUX_BUILD_DIR)/modules
$(MAKE) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) PATH="$(TARGET_PATH)" modules
$(MAKE) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" DEPMOD=true INSTALL_MOD_PATH=$(LINUX_BUILD_DIR)/modules modules_install
touch $(LINUX_DIR)/.modules_done
$(STAMP_DIR)/.linux-compile:
@$(MAKE) $(LINUX_DIR)/.modules_done $(TARGETS) $(KERNEL_IPKG)
ln -sf $(LINUX_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux
$(MAKE) -C $(TOPDIR)/target/linux/package \
$(KPKG_MAKEOPTS) \
compile
touch $@
.PHONY: pkg-install
pkg-install:
@mkdir -p $(TARGET_MODULES_DIR)
@rm -rf $(LINUX_BUILD_DIR)/root*
@cp -fpR $(BUILD_DIR)/root $(LINUX_BUILD_DIR)/
echo -e 'dest root /\noption offline_root $(LINUX_BUILD_DIR)/root' > $(LINUX_BUILD_DIR)/ipkg.conf
$(MAKE) -C $(TOPDIR)/target/linux/package \
$(KPKG_MAKEOPTS) \
install
[ "$(INSTALL_TARGETS)" != "" ] && $(IPKG_KERNEL) install $(INSTALL_TARGETS)
$(KERNEL_IPKG):
rm -rf $(KERNEL_IDIR)
mkdir -p $(KERNEL_IDIR)/etc
$(SCRIPT_DIR)/make-ipkg-dir.sh $(KERNEL_IDIR) ../control/kernel.control $(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE) $(ARCH)
if [ -f ./config/$(BOARD).modules ]; then \
cp ./config/$(BOARD).modules $(KERNEL_IDIR)/etc/modules; \
fi
$(IPKG_BUILD) $(KERNEL_IDIR) $(LINUX_BUILD_DIR)
$(BUILD_DIR)/kernel.mk: FORCE
echo "BOARD:=$(BOARD)" > $@
echo "LINUX_VERSION:=$(LINUX_VERSION)" >> $@
echo "LINUX_RELEASE:=$(LINUX_RELEASE)" >> $@
source: $(DL_DIR)/$(LINUX_SOURCE)
prepare: $(BUILD_DIR)/kernel.mk
@mkdir -p $(STAMP_DIR) $(PACKAGE_DIR)
@$(MAKE) $(LINUX_DIR)/.configured
compile: prepare $(STAMP_DIR)/.linux-compile
install: compile
$(MAKE) $(KPKG_MAKEOPTS) pkg-install
$(MAKE) $(KPKG_MAKEOPTS) $(LINUX_KERNEL)
mostlyclean:
rm -f $(STAMP_DIR)/.linux-compile
rm -f $(LINUX_BUILD_DIR)/linux-$(LINUX_VERSION)/.modules_done
rm -f $(LINUX_BUILD_DIR)/linux-$(LINUX_VERSION)/.drivers-unpacked
$(MAKE) -C $(LINUX_BUILD_DIR)/linux-$(LINUX_VERSION) clean
rm -f $(LINUX_KERNEL)
rebuild:
-$(MAKE) mostlyclean
if [ -f $(LINUX_KERNEL) ]; then \
$(MAKE) clean; \
fi
$(MAKE) compile $(MAKE_TRACE)
clean:
rm -f $(STAMP_DIR)/.linux-compile
rm -rf $(LINUX_BUILD_DIR)
rm -f $(TARGETS)
package/%:
$(MAKE) -C $(TOPDIR)/target/linux/package \
$(KPKG_MAKEOPTS) \
$(patsubst package/%,%,$@)
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