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161 lines
4.8 KiB
Makefile
161 lines
4.8 KiB
Makefile
#
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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:=$(LINUX_SOURCE)
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PKG_SOURCE_URL:=$(LINUX_SITE)
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HOST_BUILD_DIR:=$(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
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PKG_MD5SUM:=$(LINUX_KERNEL_MD5SUM)
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LINUX_DIR := $(HOST_BUILD_DIR)
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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 $(BOARD)),uml)
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LINUX_KARCH:=$(ARCH)
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endif
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ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,2.6.18)),1)
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LINUX_HAS_HEADERS_INSTALL:=y
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endif
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KMAKE := $(MAKE) -C $(HOST_BUILD_DIR) \
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ARCH=$(LINUX_KARCH) \
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KBUILD_HAVE_NLS=no \
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CONFIG_SHELL=$(BASH)
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define Host/Prepare/pre/powerpc
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if [ -d $(HOST_BUILD_DIR)/include/asm-ppc ]; then \
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mkdir -p $(PKG_BUILD_DIR)/include/asm-powerpc/; \
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$(CP) $(HOST_BUILD_DIR)/include/asm-ppc/* $(HOST_BUILD_DIR)/include/asm-powerpc/; \
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rm -rf $(HOST_BUILD_DIR)/include/asm-ppc; \
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ln -s $(HOST_BUILD_DIR)/include/asm-powerpc $(HOST_BUILD_DIR)/include/asm-ppc; \
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fi
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endef
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ifneq ($(LINUX_HAS_HEADERS_INSTALL),)
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define Host/Prepare/all
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mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr
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$(KMAKE) \
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CROSS_COMPILE=$(TARGET_CROSS) \
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INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/" \
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headers_install
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endef
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else
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define Host/Prepare/all
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mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include
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cp -pLR $(HOST_BUILD_DIR)/include/asm $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
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cp -pLR $(HOST_BUILD_DIR)/include/asm-generic $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
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cp -pLR $(HOST_BUILD_DIR)/include/asm-$(LINUX_KARCH) $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
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cp -pLR $(HOST_BUILD_DIR)/include/linux $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
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endef
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endif
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# XXX: the following is needed to build lzma-loader
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define Host/Prepare/lzma
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$(CP) \
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$(HOST_BUILD_DIR)/include/asm-mips/asm.h \
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$(HOST_BUILD_DIR)/include/asm-mips/regdef.h \
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$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
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endef
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# XXX: the following are needed to build a cris toolchain
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ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),lt,2.6.28)),1)
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define Host/Prepare/pre/cris
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ln -sf $(HOST_BUILD_DIR)/include/asm-cris/arch-v10 $(HOST_BUILD_DIR)/include/asm-cris/arch
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ln -sf $(HOST_BUILD_DIR)/include/asm-cris/arch-v10 $(HOST_BUILD_DIR)/arch/cris/arch
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endef
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define Host/Prepare/post/cris
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$(CP) \
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$(HOST_BUILD_DIR)/include/linux/user.h \
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$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/linux/
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$(CP) \
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$(HOST_BUILD_DIR)/include/linux/user.h \
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$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/linux/
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$(CP) \
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$(HOST_BUILD_DIR)/include/asm-cris/elf.h \
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$(HOST_BUILD_DIR)/include/asm-cris/page.h \
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$(HOST_BUILD_DIR)/include/asm-cris/user.h \
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$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
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$(CP) \
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$(HOST_BUILD_DIR)/include/asm-generic/memory_model.h \
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$(HOST_BUILD_DIR)/include/asm-generic/page.h \
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$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm-generic/
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mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/arch
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$(CP) \
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$(HOST_BUILD_DIR)/include/asm-cris/arch/elf.h \
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$(HOST_BUILD_DIR)/include/asm-cris/arch/page.h \
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$(HOST_BUILD_DIR)/include/asm-cris/arch/ptrace.h \
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$(HOST_BUILD_DIR)/include/asm-cris/arch/user.h \
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$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/arch/
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endef
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else
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define Host/Prepare/post/cris
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$(CP) \
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$(HOST_BUILD_DIR)/include/linux/user.h \
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$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/linux/
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ln -snf $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/arch-v10/arch \
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$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/arch
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$(SED) '/#include <asm\/page\.h>/d' $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/user.h
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endef
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endif
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define Host/Prepare/post/mips
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$(call Host/Prepare/lzma)
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endef
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define Host/Prepare/post/mipsel
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$(call Host/Prepare/lzma)
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endef
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define Host/Prepare
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$(call Kernel/Prepare/Default)
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ln -sf 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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yes '' | $(KMAKE) oldconfig
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$(KMAKE) include/linux/version.h include/asm
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if [ -d $(HOST_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm ]; then \
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$(CP) \
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$(HOST_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm/. \
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$(HOST_BUILD_DIR)/include/asm-$(LINUX_KARCH)/; \
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fi
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$(call Host/Prepare/pre/$(ARCH))
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$(call Host/Prepare/all)
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$(call Host/Prepare/post/$(ARCH))
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endef
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define Host/Configure
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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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