d0c3d1cf43
And all the infrastructure surrounding it. A broken sed implementation is quite rare nowadays, as seen by the fact that the current host-sed support has been broken for a while, so just get rid of it. Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
180 lines
6.7 KiB
Makefile
180 lines
6.7 KiB
Makefile
###############################################################################
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#
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# Linux kernel 2.6 target
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#
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###############################################################################
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LINUX26_VERSION=$(call qstrip,$(BR2_LINUX_KERNEL_VERSION))
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# Compute LINUX26_SOURCE and LINUX26_SITE from the configuration
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ifeq ($(LINUX26_VERSION),custom)
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LINUX26_TARBALL:=$(call qstrip,$(BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION))
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LINUX26_SITE:=$(dir $(LINUX26_TARBALL))
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LINUX26_SOURCE:=$(notdir $(LINUX26_TARBALL))
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else
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LINUX26_SOURCE:=linux-$(LINUX26_VERSION).tar.bz2
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LINUX26_SITE:=$(BR2_KERNEL_MIRROR)/linux/kernel/v2.6/
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endif
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LINUX26_DIR:=$(BUILD_DIR)/linux-$(LINUX26_VERSION)
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LINUX26_PATCH=$(call qstrip,$(BR2_LINUX_KERNEL_PATCH))
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LINUX26_MAKE_FLAGS = \
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HOSTCC="$(HOSTCC)" \
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HOSTCFLAGS="$(HOSTCFLAGS)" \
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ARCH=$(KERNEL_ARCH) \
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INSTALL_MOD_PATH=$(TARGET_DIR) \
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CROSS_COMPILE=$(TARGET_CROSS) \
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LDFLAGS="$(TARGET_LDFLAGS)" \
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LZMA="$(LZMA)"
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# Get the real Linux version, which tells us where kernel modules are
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# going to be installed in the target filesystem.
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LINUX26_VERSION_PROBED = $(shell $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) --no-print-directory -s kernelrelease)
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ifeq ($(BR2_LINUX_KERNEL_UIMAGE),y)
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LINUX26_IMAGE_NAME=uImage
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LINUX26_DEPENDENCIES+=$(MKIMAGE)
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else ifeq ($(BR2_LINUX_KERNEL_BZIMAGE),y)
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LINUX26_IMAGE_NAME=bzImage
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else ifeq ($(BR2_LINUX_KERNEL_ZIMAGE),y)
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LINUX26_IMAGE_NAME=zImage
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else ifeq ($(BR2_LINUX_KERNEL_VMLINUX_BIN),y)
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LINUX26_IMAGE_NAME=vmlinux.bin
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endif
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ifeq ($(KERNEL_ARCH),avr32)
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LINUX26_IMAGE_PATH=$(LINUX26_DIR)/arch/$(KERNEL_ARCH)/boot/images/$(LINUX26_IMAGE_NAME)
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else
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LINUX26_IMAGE_PATH=$(LINUX26_DIR)/arch/$(KERNEL_ARCH)/boot/$(LINUX26_IMAGE_NAME)
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endif
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# Download
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$(LINUX26_DIR)/.stamp_downloaded:
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@$(call MESSAGE,"Downloading kernel")
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$(call DOWNLOAD,$(LINUX26_SITE),$(LINUX26_SOURCE))
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ifneq ($(filter ftp://% http://%,$(LINUX26_PATCH)),)
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$(call DOWNLOAD,$(dir $(LINUX26_PATCH)),$(notdir $(LINUX26_PATCH)))
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endif
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mkdir -p $(@D)
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touch $@
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# Extraction
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$(LINUX26_DIR)/.stamp_extracted: $(LINUX26_DIR)/.stamp_downloaded
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@$(call MESSAGE,"Extracting kernel")
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mkdir -p $(@D)
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$(Q)$(INFLATE$(suffix $(LINUX26_SOURCE))) $(DL_DIR)/$(LINUX26_SOURCE) | \
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tar -C $(@D) $(TAR_STRIP_COMPONENTS)=1 $(TAR_OPTIONS) -
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$(Q)touch $@
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# Patch
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$(LINUX26_DIR)/.stamp_patched: $(LINUX26_DIR)/.stamp_extracted
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@$(call MESSAGE,"Patching kernel")
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ifneq ($(LINUX26_PATCH),)
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ifneq ($(filter ftp://% http://%,$(LINUX26_PATCH)),)
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toolchain/patch-kernel.sh $(@D) $(DL_DIR) $(notdir $(LINUX26_PATCH))
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else ifeq ($(shell test -d $(LINUX26_PATCH) && echo "dir"),dir)
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toolchain/patch-kernel.sh $(@D) $(LINUX26_PATCH) linux-\*.patch
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else
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toolchain/patch-kernel.sh $(@D) $(dir $(LINUX26_PATCH)) $(notdir $(LINUX26_PATCH))
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endif
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endif
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$(Q)touch $@
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# Configuration
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$(LINUX26_DIR)/.stamp_configured: $(LINUX26_DIR)/.stamp_patched
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@$(call MESSAGE,"Configuring kernel")
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ifeq ($(BR2_LINUX_KERNEL_USE_DEFCONFIG),y)
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$(TARGET_MAKE_ENV) $(MAKE1) $(LINUX26_MAKE_FLAGS) -C $(@D) $(call qstrip,$(BR2_LINUX_KERNEL_DEFCONFIG))_defconfig
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else ifeq ($(BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG),y)
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cp $(BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE) $(@D)/.config
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endif
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ifeq ($(BR2_ARM_EABI),y)
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$(call KCONFIG_ENABLE_OPT,CONFIG_AEABI,$(@D)/.config)
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else
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$(call KCONFIG_DISABLE_OPT,CONFIG_AEABI,$(@D)/.config)
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endif
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ifeq ($(BR2_INET_IPV6),y)
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$(call KCONFIG_ENABLE_OPT,CONFIG_IPV6,$(@D)/.config)
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else
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$(call KCONFIG_DISABLE_OPT,CONFIG_IPV6,$(@D)/.config)
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endif
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ifeq ($(BR2_TARGET_ROOTFS_INITRAMFS),y)
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# As the kernel gets compiled before root filesystems are
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# built, we create a fake initramfs file list. It'll be
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# replaced later by the real list, and the kernel will be
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# rebuilt using the linux26-rebuild-with-initramfs target.
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touch $(BINARIES_DIR)/rootfs.initramfs
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$(call KCONFIG_ENABLE_OPT,CONFIG_BLK_DEV_INITRD,$(@D)/.config)
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$(call KCONFIG_SET_OPT,CONFIG_INITRAMFS_SOURCE,\"$(BINARIES_DIR)/rootfs.initramfs\",$(@D)/.config)
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$(call KCONFIG_ENABLE_OPT,CONFIG_INITRAMFS_COMPRESSION_GZIP,$(@D)/.config)
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endif
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$(TARGET_MAKE_ENV) $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(@D) oldconfig
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$(Q)touch $@
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# Compilation. We make sure the kernel gets rebuilt when the
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# configuration has changed.
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$(LINUX26_DIR)/.stamp_compiled: $(LINUX26_DIR)/.stamp_configured $(LINUX26_DIR)/.config
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@$(call MESSAGE,"Compiling kernel")
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$(TARGET_MAKE_ENV) $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(@D) $(LINUX26_IMAGE_NAME)
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@if [ $(shell grep -c "CONFIG_MODULES=y" $(LINUX26_DIR)/.config) != 0 ] ; then \
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$(TARGET_MAKE_ENV) $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(@D) modules ; \
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fi
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$(Q)touch $@
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# Installation
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$(LINUX26_DIR)/.stamp_installed: $(LINUX26_DIR)/.stamp_compiled
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@$(call MESSAGE,"Installing kernel")
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cp $(LINUX26_IMAGE_PATH) $(BINARIES_DIR)
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# Install modules and remove symbolic links pointing to build
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# directories, not relevant on the target
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@if [ $(shell grep -c "CONFIG_MODULES=y" $(LINUX26_DIR)/.config) != 0 ] ; then \
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$(TARGET_MAKE_ENV) $(MAKE1) $(LINUX26_MAKE_FLAGS) -C $(@D) \
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INSTALL_MOD_PATH=$(TARGET_DIR) modules_install ; \
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rm -f $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION_PROBED)/build ; \
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rm -f $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION_PROBED)/source ; \
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fi
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$(Q)touch $@
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linux26: host-module-init-tools $(LINUX26_DEPENDENCIES) $(LINUX26_DIR)/.stamp_installed
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linux26-menuconfig linux26-xconfig linux26-gconfig: dirs $(LINUX26_DIR)/.stamp_configured
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$(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) $(subst linux26-,,$@)
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# Support for rebuilding the kernel after the initramfs file list has
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# been generated in $(BINARIES_DIR)/rootfs.initramfs.
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$(LINUX26_DIR)/.stamp_initramfs_rebuilt: $(LINUX26_DIR)/.stamp_installed $(BINARIES_DIR)/rootfs.initramfs
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@$(call MESSAGE,"Rebuilding kernel with initramfs")
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# Remove the previously generated initramfs which was empty,
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# to make sure the kernel will actually regenerate it.
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$(RM) -f $(@D)/usr/initramfs_data.cpio.*
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# Build the kernel.
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$(TARGET_MAKE_ENV) $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(@D) $(LINUX26_IMAGE_NAME)
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# Copy the kernel image to its final destination
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cp $(LINUX26_IMAGE_PATH) $(BINARIES_DIR)
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$(Q)touch $@
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# The initramfs building code must make sure this target gets called
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# after it generated the initramfs list of files.
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linux26-rebuild-with-initramfs: $(LINUX26_DIR)/.stamp_initramfs_rebuilt
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ifeq ($(BR2_LINUX_KERNEL),y)
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TARGETS+=linux26
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endif
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# Checks to give errors that the user can understand
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ifeq ($(filter source,$(MAKECMDGOALS)),)
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ifeq ($(BR2_LINUX_KERNEL_USE_DEFCONFIG),y)
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ifeq ($(call qstrip,$(BR2_LINUX_KERNEL_DEFCONFIG)),)
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$(error No kernel defconfig name specified, check your BR2_LINUX_KERNEL_DEFCONFIG setting)
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endif
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endif
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ifeq ($(BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG),y)
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ifeq ($(call qstrip,$(BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE)),)
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$(error No kernel configuration file specified, check your BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE setting)
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endif
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endif
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endif
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