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139 lines
4.5 KiB
Makefile
139 lines
4.5 KiB
Makefile
#
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# Copyright (C) 2006 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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-include $(INCLUDE_DIR)/modules-$(KERNEL).mk
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LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2
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LINUX_SITE=http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL) \
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http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL) \
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http://www.kernel.org/pub/linux/kernel/v$(KERNEL) \
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http://www.de.kernel.org/pub/linux/kernel/v$(KERNEL)
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KERNEL_IDIR:=$(KERNEL_BUILD_DIR)/kernel-ipkg
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KERNEL_IPKG:=$(KERNEL_BUILD_DIR)/kernel_$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)_$(ARCH).ipk
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TARGETS += $(KERNEL_IPKG)
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INSTALL_TARGETS += $(KERNEL_IPKG)
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$(TARGETS): $(PACKAGE_DIR)
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$(LINUX_DIR):
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mkdir -p $@
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$(PACKAGE_DIR):
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mkdir -p $@
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$(DL_DIR)/$(LINUX_SOURCE):
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-mkdir -p $(DL_DIR)
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$(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_SITE)
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$(LINUX_DIR)/.unpacked: $(DL_DIR)/$(LINUX_SOURCE)
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-mkdir -p $(KERNEL_BUILD_DIR)
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bzcat $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS) -
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touch $@
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ifeq ($(KERNEL),2.4)
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$(LINUX_DIR)/.configured: $(LINUX_DIR)/.patched
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$(SED) "s,^CROSS_COMPILE.*,CROSS_COMPILE=$(KERNEL_CROSS),g;" \
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$(LINUX_DIR)/Makefile \
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$(LINUX_DIR)/arch/*/Makefile
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$(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile
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$(MAKE) -C $(LINUX_DIR) ARCH=$(LINUX_KARCH) oldconfig include/linux/compile.h include/linux/version.h
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touch $@
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$(LINUX_DIR)/.depend_done: $(LINUX_DIR)/.configured
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$(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) dep
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touch $@
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$(LINUX_DIR)/vmlinux: $(LINUX_DIR)/.depend_done
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else
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$(LINUX_DIR)/.configured: $(LINUX_DIR)/.patched
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$(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) oldconfig prepare scripts
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touch $@
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endif
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ramdisk-config: $(LINUX_DIR)/.configured FORCE
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mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
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grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
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ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
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echo 'CONFIG_INITRAMFS_SOURCE="../../root"' >> $(LINUX_DIR)/.config
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echo 'CONFIG_INITRAMFS_ROOT_UID=0' >> $(LINUX_DIR)/.config
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echo 'CONFIG_INITRAMFS_ROOT_GID=0' >> $(LINUX_DIR)/.config
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mkdir -p $(BUILD_DIR)/root/etc/init.d
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$(CP) ../generic-2.6/files/init $(BUILD_DIR)/root/
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else
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rm -f $(BUILD_DIR)/root/init $(BUILD_DIR)/root/etc/init.d/S00initramfs
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echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
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endif
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$(LINUX_DIR)/vmlinux: $(STAMP_DIR)/.linux-compile pkg-install ramdisk-config
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$(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) PATH=$(TARGET_PATH)
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$(LINUX_KERNEL): $(LINUX_DIR)/vmlinux
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$(KERNEL_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $< $@
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touch -c $(LINUX_KERNEL)
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$(LINUX_DIR)/.modules_done:
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rm -rf $(KERNEL_BUILD_DIR)/modules
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$(MAKE) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) PATH="$(TARGET_PATH)" modules
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$(MAKE) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) DEPMOD=true INSTALL_MOD_PATH=$(KERNEL_BUILD_DIR)/modules modules_install
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touch $(LINUX_DIR)/.modules_done
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modules: $(LINUX_DIR)/.modules_done
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packages: $(TARGETS)
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$(STAMP_DIR)/.linux-compile:
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@$(MAKE) modules
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@$(MAKE) packages
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ln -sf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux
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touch $@
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$(KERNEL_IPKG):
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rm -rf $(KERNEL_IDIR)
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mkdir -p $(KERNEL_IDIR)/etc
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$(SCRIPT_DIR)/make-ipkg-dir.sh $(KERNEL_IDIR) ../control/kernel.control $(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE) $(ARCH)
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if [ -f ./config/$(BOARD).modules ]; then \
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cp ./config/$(BOARD).modules $(KERNEL_IDIR)/etc/modules; \
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fi
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$(IPKG_BUILD) $(KERNEL_IDIR) $(KERNEL_BUILD_DIR)
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$(TOPDIR)/.kernel.mk:
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echo "BOARD:=$(BOARD)" > $@
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echo "LINUX_VERSION:=$(LINUX_VERSION)" >> $@
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echo "LINUX_RELEASE:=$(LINUX_RELEASE)" >> $@
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pkg-install: FORCE
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@for pkg in $(INSTALL_TARGETS); do \
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$(IPKG) install $$pkg || echo; \
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done
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source: $(DL_DIR)/$(LINUX_SOURCE)
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prepare: $(LINUX_DIR)/.configured
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@mkdir -p $(STAMP_DIR) $(PACKAGE_DIR)
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compile: prepare $(STAMP_DIR)/.linux-compile
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install: compile $(LINUX_KERNEL)
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mostlyclean: FORCE
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rm -f $(STAMP_DIR)/.linux-compile
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rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.modules_done
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rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.drivers-unpacked
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$(MAKE) -C $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) clean
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rm -f $(LINUX_KERNEL)
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rebuild: FORCE
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-$(MAKE) mostlyclean
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if [ -f $(LINUX_KERNEL) ]; then \
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$(MAKE) clean; \
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fi
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$(MAKE) compile $(MAKE_TRACE)
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clean: FORCE
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rm -f $(STAMP_DIR)/.linux-compile
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rm -rf $(KERNEL_BUILD_DIR)
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rm -f $(TARGETS)
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