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#
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# Copyright (C) 2006-2009 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 $(TOPDIR)/rules.mk
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KERNEL_BUILD_DIR := $(BUILD_DIR_TOOLCHAIN)
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BUILD_DIR := $(KERNEL_BUILD_DIR)
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override QUILT:=
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override HOST_QUILT:=
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include $(INCLUDE_DIR)/kernel.mk
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PKG_NAME:=linux
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PKG_VERSION:=$(LINUX_VERSION)
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PKG_SOURCE:=$(LINUX_SOURCE)
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ifneq ($(strip $(CONFIG_KERNEL_GIT_CLONE_URI)),"")
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PKG_SOURCE_PROTO:=git
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PKG_SOURCE_URL:=$(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI))
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PKG_SOURCE_VERSION:=$(CONFIG_KERNEL_GIT_REF)
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else
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PKG_SOURCE_URL:=$(LINUX_SITE)
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endif
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HOST_BUILD_DIR:=$(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
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PKG_HASH:=$(LINUX_KERNEL_HASH)
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LINUX_DIR := $(HOST_BUILD_DIR)
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FILES_DIR :=
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PATCH_DIR := ./patches$(if $(wildcard ./patches-$(LINUX_VERSION)),-$(LINUX_VERSION))
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include $(INCLUDE_DIR)/toolchain-build.mk
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include $(INCLUDE_DIR)/kernel-defaults.mk
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ifeq ($(strip $(BOARD)),uml)
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LINUX_KARCH:=$(subst x86_64,x86,$(subst i386,x86,$(ARCH)))
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endif
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HOST_EXTRACFLAGS=
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LINUX_HAS_HEADERS_INSTALL:=y
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KMAKE := $(MAKE) -C $(HOST_BUILD_DIR) \
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$(KERNEL_MAKE_FLAGS) \
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CC="$(KERNEL_CC)" \
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CFLAGS="$(TARGET_CFLAGS)"
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define Host/Configure/all
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mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev
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$(KMAKE) \
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INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/" \
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headers_install
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endef
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# XXX: the following is needed to build lzma-loader
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ifneq ($(CONFIG_mips)$(CONFIG_mipsel),)
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define Host/Configure/lzma
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$(CP) \
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$(HOST_BUILD_DIR)/arch/mips/include/asm/asm.h \
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$(HOST_BUILD_DIR)/arch/mips/include/asm/regdef.h \
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$(HOST_BUILD_DIR)/arch/mips/include/asm/asm-eva.h \
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$(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/
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endef
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endif
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define Host/Configure/post/mips
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$(call Host/Configure/lzma)
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endef
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define Host/Configure/post/mipsel
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$(call Host/Configure/lzma)
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endef
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define Host/Prepare
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rm -rf $(BUILD_DIR_TOOLCHAIN)/linux-*
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$(call Kernel/Prepare/Default)
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rm -f $(BUILD_DIR_TOOLCHAIN)/linux
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ln -s linux-$(LINUX_VERSION) $(BUILD_DIR_TOOLCHAIN)/linux
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$(SED) 's/@expr length/@-expr length/' $(HOST_BUILD_DIR)/Makefile
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endef
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define Host/Configure
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env
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yes '' | $(KMAKE) oldconfig
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$(call Host/Configure/all)
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$(call Host/Configure/post/$(ARCH))
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endef
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define Host/Compile
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endef
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define Host/Install
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$(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(TOOLCHAIN_DIR)/
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endef
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define Host/Clean
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rm -rf \
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$(HOST_BUILD_DIR) \
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$(BUILD_DIR_TOOLCHAIN)/linux \
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$(BUILD_DIR_TOOLCHAIN)/linux-dev
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endef
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$(eval $(call HostBuild))
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