mirror of https://github.com/hak5/openwrt-owl.git
134 lines
7.0 KiB
Makefile
134 lines
7.0 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="$(KERNEL_CC)"
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endif
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export HOST_EXTRACFLAGS=-I$(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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bzcat $(DL_DIR)/$(LINUX_SOURCE) | $(TAR) -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
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$(Kernel/Patch)
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touch $(LINUX_DIR)/.quilt_used
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endef
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else
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ifeq ($(strip $(CONFIG_KERNEL_GIT_LOCAL_REPOSITORY)),"")
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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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else
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define Kernel/Prepare/Default
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git clone --reference $(CONFIG_KERNEL_GIT_LOCAL_REPOSITORY) $(CONFIG_KERNEL_GIT_CLONE_URI) $(LINUX_DIR)
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endef
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endif
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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
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mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
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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))"' >> $(LINUX_DIR)/.config
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echo 'CONFIG_INITRAMFS_ROOT_UID=$(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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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 > $(LINUX_DIR)/.config
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echo 'CONFIG_INITRAMFS_SOURCE="$(call qstrip,$(CONFIG_EXTERNAL_CPIO))"' >> $(LINUX_DIR)/.config
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echo 'CONFIG_INITRAMFS_ROOT_UID=$(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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endef
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endif
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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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echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
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endef
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endif
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define Kernel/Configure/Default
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$(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_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/SetInitramfs)
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rm -rf $(KERNEL_BUILD_DIR)/modules
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[ -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/CompileModules/Default
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rm -f $(LINUX_DIR)/vmlinux $(LINUX_DIR)/System.map
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+$(MAKE) $(KERNEL_MAKEOPTS) modules
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endef
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OBJCOPY_STRIP = -R .reginfo -R .notes -R .note -R .comment -R .mdebug -R .note.gnu.build-id
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define Kernel/CompileImage/Default
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$(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),,rm -f $(TARGET_DIR)/init)
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+$(MAKE) $(KERNEL_MAKEOPTS) $(subst ",,$(KERNELNAME))
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$(KERNEL_CROSS)objcopy -O binary $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)
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$(KERNEL_CROSS)objcopy $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux.elf
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endef
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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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