45e3540a3f
The GIT_LOCAL_REPOSITORY option adds the --reference argument to the git clone kernel command line, if KERNEL_GIT_CLONE_URI is set. This option is intended to speed-up the repo creation by using local objets rather than downloading it. However, a local repo can be cloned much faster by setting GIT_LOCAL_REPOSITORY directly to the local tree. In that case, git clone will bypass the normal "git aware" transport mechanism and clone the repository by copying and hardlinking objects rather than downloading it, resulting in a significant speed increase. That makes the GIT_LOCAL_REPOSITORY option pretty useless so we'll just remove it and recommand the usage of KERNEL_GIT_CLONE_URI directly. Signed-off-by: Mathieu Olivari <mathieu@qca.qualcomm.com> SVN-Revision: 40944
169 lines
6.7 KiB
Makefile
169 lines
6.7 KiB
Makefile
#
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# Copyright (C) 2006-2011 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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KERNEL_MAKEOPTS := -C $(LINUX_DIR) \
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HOSTCFLAGS="$(HOST_CFLAGS) -Wall -Wmissing-prototypes -Wstrict-prototypes" \
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CROSS_COMPILE="$(KERNEL_CROSS)" \
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ARCH="$(LINUX_KARCH)" \
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KBUILD_HAVE_NLS=no \
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CONFIG_SHELL="$(BASH)" \
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$(if $(findstring c,$(OPENWRT_VERBOSE)),V=1,V='')
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ifdef CONFIG_STRIP_KERNEL_EXPORTS
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KERNEL_MAKEOPTS += \
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EXTRA_LDSFLAGS="-I$(KERNEL_BUILD_DIR) -include symtab.h"
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endif
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INITRAMFS_EXTRA_FILES ?= $(GENERIC_PLATFORM_DIR)/image/initramfs-base-files.txt
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ifneq (,$(KERNEL_CC))
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KERNEL_MAKEOPTS += CC="$(KERNEL_CC)"
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endif
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ifdef CONFIG_USE_SPARSE
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KERNEL_MAKEOPTS += C=1 CHECK=$(STAGING_DIR_HOST)/bin/sparse
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endif
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export HOST_EXTRACFLAGS=-I$(STAGING_DIR_HOST)/include
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# defined in quilt.mk
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Kernel/Patch:=$(Kernel/Patch/Default)
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ifeq ($(strip $(CONFIG_EXTERNAL_KERNEL_TREE)),"")
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ifeq ($(strip $(CONFIG_KERNEL_GIT_CLONE_URI)),"")
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define Kernel/Prepare/Default
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xzcat $(DL_DIR)/$(LINUX_SOURCE) | $(TAR) -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
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$(Kernel/Patch)
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touch $(LINUX_DIR)/.quilt_used
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endef
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else
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define Kernel/Prepare/Default
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git clone $(CONFIG_KERNEL_GIT_CLONE_URI) $(LINUX_DIR)
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endef
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endif
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else
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define Kernel/Prepare/Default
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mkdir -p $(KERNEL_BUILD_DIR)
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if [ -d $(LINUX_DIR) ]; then \
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rmdir $(LINUX_DIR); \
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fi
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ln -s $(CONFIG_EXTERNAL_KERNEL_TREE) $(LINUX_DIR)
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endef
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endif
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ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
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ifeq ($(strip $(CONFIG_EXTERNAL_CPIO)),"")
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define Kernel/SetInitramfs/PreConfigure
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grep -v -e INITRAMFS -e CONFIG_RD_ -e CONFIG_BLK_DEV_INITRD $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
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echo 'CONFIG_BLK_DEV_INITRD=y' >> $(LINUX_DIR)/.config
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echo 'CONFIG_INITRAMFS_SOURCE="$(strip $(TARGET_DIR) $(INITRAMFS_EXTRA_FILES))"' >> $(LINUX_DIR)/.config
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endef
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else
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define Kernel/SetInitramfs/PreConfigure
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grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
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echo 'CONFIG_INITRAMFS_SOURCE="$(call qstrip,$(CONFIG_EXTERNAL_CPIO))"' >> $(LINUX_DIR)/.config
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endef
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endif
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define Kernel/SetInitramfs
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mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
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$(call Kernel/SetInitramfs/PreConfigure)
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echo 'CONFIG_INITRAMFS_ROOT_UID=$(shell id -u)' >> $(LINUX_DIR)/.config
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echo 'CONFIG_INITRAMFS_ROOT_GID=$(shell id -g)' >> $(LINUX_DIR)/.config
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echo "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_NONE),CONFIG_INITRAMFS_COMPRESSION_NONE=y,# CONFIG_INITRAMFS_COMPRESSION_NONE is not set)" >> $(LINUX_DIR)/.config
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echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_GZIP),CONFIG_INITRAMFS_COMPRESSION_GZIP=y\nCONFIG_RD_GZIP=y,# CONFIG_INITRAMFS_COMPRESSION_GZIP is not set\n# CONFIG_RD_GZIP is not set)" >> $(LINUX_DIR)/.config
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echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_BZIP2),CONFIG_INITRAMFS_COMPRESSION_BZIP2=y\nCONFIG_RD_BZIP2=y,# CONFIG_INITRAMFS_COMPRESSION_BZIP2 is not set\n# CONFIG_RD_BZIP2 is not set)" >> $(LINUX_DIR)/.config
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echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_LZMA),CONFIG_INITRAMFS_COMPRESSION_LZMA=y\nCONFIG_RD_LZMA=y,# CONFIG_INITRAMFS_COMPRESSION_LZMA is not set\n# CONFIG_RD_LZMA is not set)" >> $(LINUX_DIR)/.config
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echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_LZO),CONFIG_INITRAMFS_COMPRESSION_LZO=y\nCONFIG_RD_LZO=y,# CONFIG_INITRAMFS_COMPRESSION_LZO is not set\n# CONFIG_RD_LZO is not set)" >> $(LINUX_DIR)/.config
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echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_XZ),CONFIG_INITRAMFS_COMPRESSION_XZ=y\nCONFIG_RD_XZ=y,# CONFIG_INITRAMFS_COMPRESSION_XZ is not set\n# CONFIG_RD_XZ is not set)" >> $(LINUX_DIR)/.config
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echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_LZ4),CONFIG_INITRAMFS_COMPRESSION_LZ4=y\nCONFIG_RD_LZ4=y,# CONFIG_INITRAMFS_COMPRESSION_LZ4 is not set\n# CONFIG_RD_LZ4 is not set)" >> $(LINUX_DIR)/.config
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endef
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else
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endif
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define Kernel/SetNoInitramfs
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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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echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
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endef
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define Kernel/Configure/Default
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$(LINUX_CONF_CMD) > $(LINUX_DIR)/.config.target
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# copy CONFIG_KERNEL_* settings over to .config.target
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awk '/^(#[[:space:]]+)?CONFIG_KERNEL/{sub("CONFIG_KERNEL_","CONFIG_");print}' $(TOPDIR)/.config >> $(LINUX_DIR)/.config.target
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echo "# CONFIG_KALLSYMS_EXTRA_PASS is not set" >> $(LINUX_DIR)/.config.target
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echo "# CONFIG_KALLSYMS_ALL is not set" >> $(LINUX_DIR)/.config.target
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echo "# CONFIG_KALLSYMS_UNCOMPRESSED is not set" >> $(LINUX_DIR)/.config.target
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echo "# CONFIG_KPROBES is not set" >> $(LINUX_DIR)/.config.target
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$(SCRIPT_DIR)/metadata.pl kconfig $(TMP_DIR)/.packageinfo $(TOPDIR)/.config > $(LINUX_DIR)/.config.override
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$(SCRIPT_DIR)/kconfig.pl 'm+' '+' $(LINUX_DIR)/.config.target /dev/null $(LINUX_DIR)/.config.override > $(LINUX_DIR)/.config
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$(call Kernel/SetNoInitramfs)
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rm -rf $(KERNEL_BUILD_DIR)/modules
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$(_SINGLE) [ -d $(LINUX_DIR)/user_headers ] || $(MAKE) $(KERNEL_MAKEOPTS) INSTALL_HDR_PATH=$(LINUX_DIR)/user_headers headers_install
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$(SH_FUNC) grep '=[ym]' $(LINUX_DIR)/.config | LC_ALL=C sort | md5s > $(LINUX_DIR)/.vermagic
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endef
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define Kernel/Configure/Initramfs
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$(call Kernel/SetInitramfs)
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endef
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define Kernel/CompileModules/Default
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rm -f $(LINUX_DIR)/vmlinux $(LINUX_DIR)/System.map
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+$(MAKE) $(KERNEL_MAKEOPTS) modules
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endef
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OBJCOPY_STRIP = -R .reginfo -R .notes -R .note -R .comment -R .mdebug -R .note.gnu.build-id
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# AVR32 uses a non-standard location
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ifeq ($(LINUX_KARCH),avr32)
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IMAGES_DIR:=images
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endif
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# AMD64 shares the location with x86
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ifeq ($(LINUX_KARCH),x86_64)
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IMAGES_DIR:=../../x86/boot
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endif
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define Kernel/CopyImage
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$(KERNEL_CROSS)objcopy -O binary $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)$(1)
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$(KERNEL_CROSS)objcopy $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux$(1).elf
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ifneq ($(subst ",,$(KERNELNAME)),)
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#")
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$(foreach k,$(filter-out dtbs,$(subst ",,$(KERNELNAME))),$(CP) $(LINUX_DIR)/arch/$(LINUX_KARCH)/boot/$(IMAGES_DIR)/$(k) $(KERNEL_BUILD_DIR)/$(k)$(1);)
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#")
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endif
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endef
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define Kernel/CompileImage/Default
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rm -f $(TARGET_DIR)/init
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+$(MAKE) $(KERNEL_MAKEOPTS) $(subst ",,$(KERNELNAME))
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#")
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$(call Kernel/CopyImage)
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endef
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ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
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define Kernel/CompileImage/Initramfs
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$(call Kernel/Configure/Initramfs)
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$(CP) $(GENERIC_PLATFORM_DIR)/base-files/init $(TARGET_DIR)/init
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rm -rf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/usr/initramfs_data.cpio*
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+$(MAKE) $(KERNEL_MAKEOPTS) $(subst ",,$(KERNELNAME))
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#")
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#")
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$(call Kernel/CopyImage,-initramfs)
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endef
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else
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define Kernel/CompileImage/Initramfs
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endef
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endif
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define Kernel/Clean/Default
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rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.configured
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rm -f $(LINUX_KERNEL)
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$(_SINGLE)$(MAKE) -C $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) clean
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endef
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