262 lines
7.2 KiB
Makefile
262 lines
7.2 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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KERNEL_BUILD:=1
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include $(INCLUDE_DIR)/kernel-version.mk
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include $(INCLUDE_DIR)/host.mk
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include $(INCLUDE_DIR)/kernel.mk
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include $(INCLUDE_DIR)/prereq.mk
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LINUX_CONFIG ?= ./config/default
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-include $(TOPDIR)/target/linux/generic-$(KERNEL)/config-template
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-include $(LINUX_CONFIG)
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ifneq ($(CONFIG_ATM),)
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FEATURES += atm
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endif
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ifneq ($(CONFIG_PCI),)
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FEATURES += pci
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endif
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ifneq ($(CONFIG_USB),)
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FEATURES += usb
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endif
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ifneq ($(CONFIG_PCMCIA),)
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FEATURES += pcmcia
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endif
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ifneq ($(CONFIG_VIDEO_DEV),)
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FEATURES += video
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endif
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# remove duplicates
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FEATURES:=$(sort $(FEATURES))
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# For target profile selection - the default set
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DEFAULT_PACKAGES:=base-files libgcc uclibc bridge busybox dnsmasq dropbear iptables mtd ppp ppp-mod-pppoe mtd kmod-ipt-nathelper
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ifeq ($(DUMP),1)
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all: dumpinfo
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else
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all: compile
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endif
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ifneq (,$(findstring uml,$(BOARD)))
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LINUX_KARCH:=um
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else
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LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \
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-e 's/mipsel/mips/' \
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-e 's/mipseb/mips/' \
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-e 's/powerpc/ppc/' \
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-e 's/sh[234]/sh/' \
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-e 's/armeb/arm/' \
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)
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endif
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KERNELNAME=
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ifneq (,$(findstring x86,$(BOARD)))
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KERNELNAME="bzImage"
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endif
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ifneq (,$(findstring rdc,$(BOARD)))
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KERNELNAME="bzImage"
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endif
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ifneq (,$(findstring ppc,$(BOARD)))
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KERNELNAME="uImage"
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endif
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define Kernel/Prepare/Default
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bzcat $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
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if [ -d $(GENERIC_PLATFORM_DIR)/patches ]; then $(PATCH) $(LINUX_DIR) $(GENERIC_PLATFORM_DIR)/patches; fi
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if [ -d ./files ]; then $(CP) ./files/* $(LINUX_DIR)/; fi
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if [ -d ./patches ]; then $(PATCH) $(LINUX_DIR) ./patches; fi
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endef
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define Kernel/Prepare
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$(call Kernel/Prepare/Default)
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endef
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KERNEL_MAKEOPTS := -C $(LINUX_DIR) \
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CROSS_COMPILE="$(KERNEL_CROSS)" \
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ARCH="$(LINUX_KARCH)" \
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CONFIG_SHELL="$(BASH)"
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define Kernel/Configure/2.4
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$(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile
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$(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" oldconfig include/linux/compile.h include/linux/version.h
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$(MAKE) $(KERNEL_MAKEOPTS) dep
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endef
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define Kernel/Configure/2.6
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$(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" oldconfig prepare scripts
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endef
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define Kernel/Configure/Default
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@if [ -f "./config/profile-$(PROFILE)" ]; then \
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$(SCRIPT_DIR)/config.pl '+' $(GENERIC_PLATFORM_DIR)/config-template '+' $(LINUX_CONFIG) ./config/profile-$(PROFILE) > $(LINUX_DIR)/.config; \
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else \
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$(SCRIPT_DIR)/config.pl '+' $(GENERIC_PLATFORM_DIR)/config-template $(LINUX_CONFIG) > $(LINUX_DIR)/.config; \
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fi
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endef
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define Kernel/Configure
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$(call Kernel/Configure/Default)
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endef
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define Kernel/CompileModules/Default
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$(MAKE) -j$(CONFIG_JLEVEL) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" modules
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$(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" DEPMOD=true INSTALL_MOD_PATH=$(KERNEL_BUILD_DIR)/modules modules_install
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endef
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define Kernel/CompileModules
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$(call Kernel/CompileModules/Default)
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endef
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ifeq ($(KERNEL),2.6)
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ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
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define Kernel/SetInitramfs
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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="../../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_PLATFORM_DIR)/files/init $(BUILD_DIR)/root/
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endef
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else
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define Kernel/SetInitramfs
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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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rm -f $(BUILD_DIR)/root/init $(BUILD_DIR)/root/etc/init.d/S00initramfs
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echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
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endef
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endif
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endif
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define Kernel/CompileImage/Default
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$(call Kernel/SetInitramfs)
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$(MAKE) -j$(CONFIG_JLEVEL) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" $(KERNELNAME)
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$(KERNEL_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)
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$(KERNEL_CROSS)objcopy -R .reginfo -R .note -R .comment -R .mdebug -S $(LINUX_DIR)/vmlinux $(KDIR)/vmlinux.elf
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endef
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define Kernel/CompileImage
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$(call Kernel/CompileImage/Default)
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endef
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define Kernel/Clean/Default
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rm -f $(LINUX_DIR)/.linux-compile
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rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.configured
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rm -f $(LINUX_KERNEL)
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$(MAKE) -C $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) clean
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endef
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define Kernel/Clean
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$(call Kernel/Clean/Default)
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endef
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define BuildKernel
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ifneq ($(LINUX_SITE),)
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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) $(LINUX_SITE)
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endif
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$(LINUX_DIR)/.prepared: $(DL_DIR)/$(LINUX_SOURCE)
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-rm -rf $(KERNEL_BUILD_DIR)
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-mkdir -p $(KERNEL_BUILD_DIR)
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$(call Kernel/Prepare)
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touch $$@
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$(LINUX_DIR)/.configured: $(LINUX_DIR)/.prepared $(LINUX_CONFIG)
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$(call Kernel/Configure)
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$(call Kernel/Configure/$(KERNEL))
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touch $$@
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$(LINUX_DIR)/.modules: $(LINUX_DIR)/.configured
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rm -rf $(KERNEL_BUILD_DIR)/modules
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@rm -f $(BUILD_DIR)/linux
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ln -sf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux
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$(call Kernel/CompileModules)
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touch $$@
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$(LINUX_DIR)/.image: $(LINUX_DIR)/.configured FORCE
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$(call Kernel/CompileImage)
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touch $$@
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mostlyclean: FORCE
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$(call Kernel/Clean)
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ifeq ($(DUMP),1)
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dumpinfo:
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@echo 'Target: $(BOARD)-$(KERNEL)'
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@echo 'Target-Name: $(BOARDNAME) [$(KERNEL)]'
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@echo 'Target-Path: $(subst $(TOPDIR)/,,$(PWD))'
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@echo 'Target-Arch: $(ARCH)'
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@echo 'Target-Features: $(FEATURES)'
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@echo 'Linux-Version: $(LINUX_VERSION)'
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@echo 'Linux-Release: $(LINUX_RELEASE)'
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@echo 'Linux-Kernel-Arch: $(LINUX_KARCH)'
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@echo 'Target-Description:'
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@getvar $(call shvar,Target/Description)
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@echo '@@'
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@echo 'Default-Packages: $(DEFAULT_PACKAGES)'
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ifneq ($(DUMPINFO),)
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@$(DUMPINFO)
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endif
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endif
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define BuildKernel
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endef
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endef
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define Profile/Default
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NAME:=
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PACKAGES:=
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endef
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confname=$(subst .,_,$(subst -,_,$(1)))
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define Profile
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$(eval $(call Profile/Default))
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$(eval $(call Profile/$(1)))
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$(eval $(call shexport,Profile/$(1)/Description))
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DUMPINFO += \
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echo "Target-Profile: $(1)"; \
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echo "Target-Profile-Name: $(NAME)"; \
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echo "Target-Profile-Packages: $(PACKAGES)"; \
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if [ -f ./config/profile-$(1) ]; then \
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echo "Target-Profile-Kconfig: yes"; \
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fi; \
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echo "Target-Profile-Description:"; \
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getvar "$(call shvar,Profile/$(1)/Description)"; \
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echo "@@"; \
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echo;
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ifeq ($(CONFIG_LINUX_$(call confname,$(KERNEL)_$(1))),y)
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PROFILE=$(1)
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endif
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endef
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$(eval $(call shexport,Target/Description))
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download: $(DL_DIR)/$(LINUX_SOURCE)
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prepare: $(LINUX_DIR)/.configured $(TMP_DIR)/.kernel.mk
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compile: $(LINUX_DIR)/.modules
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menuconfig: $(LINUX_DIR)/.prepared FORCE
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$(call Kernel/Configure)
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$(SCRIPT_DIR)/config.pl '+' $(GENERIC_PLATFORM_DIR)/config-template $(LINUX_CONFIG) > $(LINUX_DIR)/.config
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$(MAKE) -C $(LINUX_DIR) $(KERNEL_MAKEOPTS) menuconfig
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$(SCRIPT_DIR)/config.pl '>' $(GENERIC_PLATFORM_DIR)/config-template $(LINUX_DIR)/.config > $(LINUX_CONFIG)
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install: $(LINUX_DIR)/.image
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clean: FORCE
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rm -f $(STAMP_DIR)/.linux-compile
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rm -rf $(KERNEL_BUILD_DIR)
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rebuild: FORCE
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@$(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
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