################################################################################
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#
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# grub2
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#
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################################################################################
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GRUB2_VERSION = 2.02
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GRUB2_SITE = http://ftp.gnu.org/gnu/grub
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GRUB2_SOURCE = grub-$(GRUB2_VERSION).tar.xz
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GRUB2_LICENSE = GPL-3.0+
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GRUB2_LICENSE_FILES = COPYING
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GRUB2_DEPENDENCIES = host-bison host-flex
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GRUB2_BUILTIN_MODULES = $(call qstrip,$(BR2_TARGET_GRUB2_BUILTIN_MODULES))
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GRUB2_BUILTIN_CONFIG = $(call qstrip,$(BR2_TARGET_GRUB2_BUILTIN_CONFIG))
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GRUB2_BOOT_PARTITION = $(call qstrip,$(BR2_TARGET_GRUB2_BOOT_PARTITION))
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ifeq ($(BR2_TARGET_GRUB2_I386_PC),y)
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GRUB2_IMAGE = $(BINARIES_DIR)/grub.img
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GRUB2_CFG = $(TARGET_DIR)/boot/grub/grub.cfg
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GRUB2_PREFIX = ($(GRUB2_BOOT_PARTITION))/boot/grub
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GRUB2_TUPLE = i386-pc
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GRUB2_TARGET = i386
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GRUB2_PLATFORM = pc
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else ifeq ($(BR2_TARGET_GRUB2_I386_EFI),y)
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GRUB2_IMAGE = $(BINARIES_DIR)/efi-part/EFI/BOOT/bootia32.efi
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GRUB2_CFG = $(BINARIES_DIR)/efi-part/EFI/BOOT/grub.cfg
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GRUB2_PREFIX = /EFI/BOOT
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GRUB2_TUPLE = i386-efi
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GRUB2_TARGET = i386
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GRUB2_PLATFORM = efi
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else ifeq ($(BR2_TARGET_GRUB2_X86_64_EFI),y)
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GRUB2_IMAGE = $(BINARIES_DIR)/efi-part/EFI/BOOT/bootx64.efi
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GRUB2_CFG = $(BINARIES_DIR)/efi-part/EFI/BOOT/grub.cfg
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GRUB2_PREFIX = /EFI/BOOT
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GRUB2_TUPLE = x86_64-efi
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GRUB2_TARGET = x86_64
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GRUB2_PLATFORM = efi
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endif
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# Grub2 is kind of special: it considers CC, LD and so on to be the
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# tools to build the native tools (i.e to be executed on the build
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# machine), and uses TARGET_CC, TARGET_CFLAGS, TARGET_CPPFLAGS,
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# TARGET_LDFLAGS to build the bootloader itself. However, to add to
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# the confusion, it also uses NM, OBJCOPY and STRIP to build the
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# bootloader itself; none of these are used to build the native
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# tools.
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#
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# NOTE: TARGET_STRIP is overridden by !BR2_STRIP_strip, so always
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# use the cross compile variant to ensure grub2 builds
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GRUB2_CONF_ENV = \
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$(HOST_CONFIGURE_OPTS) \
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CPP="$(HOSTCC) -E" \
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TARGET_CC="$(TARGET_CC)" \
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TARGET_CFLAGS="$(TARGET_CFLAGS) -fno-stack-protector" \
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TARGET_CPPFLAGS="$(TARGET_CPPFLAGS)" \
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TARGET_LDFLAGS="$(TARGET_LDFLAGS)" \
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NM="$(TARGET_NM)" \
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OBJCOPY="$(TARGET_OBJCOPY)" \
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STRIP="$(TARGET_CROSS)strip"
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GRUB2_CONF_OPTS = \
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--target=$(GRUB2_TARGET) \
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--with-platform=$(GRUB2_PLATFORM) \
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--prefix=/ \
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--exec-prefix=/ \
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--disable-grub-mkfont \
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--enable-efiemu=no \
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ac_cv_lib_lzma_lzma_code=no \
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--enable-device-mapper=no \
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--enable-libzfs=no \
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--disable-werror
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# We don't want all the native tools and Grub2 modules to be installed
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# in the target. So we in fact install everything into the host
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# directory, and the image generation process (below) will use the
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# grub-mkimage tool and Grub2 modules from the host directory.
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GRUB2_INSTALL_TARGET_OPTS = DESTDIR=$(HOST_DIR) install
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ifeq ($(BR2_TARGET_GRUB2_I386_PC),y)
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define GRUB2_IMAGE_INSTALL_ELTORITO
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cat $(HOST_DIR)/lib/grub/$(GRUB2_TUPLE)/cdboot.img $(GRUB2_IMAGE) > \
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$(BINARIES_DIR)/grub-eltorito.img
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endef
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endif
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define GRUB2_IMAGE_INSTALLATION
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mkdir -p $(dir $(GRUB2_IMAGE))
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$(HOST_DIR)/bin/grub-mkimage \
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-d $(HOST_DIR)/lib/grub/$(GRUB2_TUPLE) \
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-O $(GRUB2_TUPLE) \
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-o $(GRUB2_IMAGE) \
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-p "$(GRUB2_PREFIX)" \
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$(if $(GRUB2_BUILTIN_CONFIG),-c $(GRUB2_BUILTIN_CONFIG)) \
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$(GRUB2_BUILTIN_MODULES)
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mkdir -p $(dir $(GRUB2_CFG))
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$(INSTALL) -D -m 0644 boot/grub2/grub.cfg $(GRUB2_CFG)
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$(GRUB2_IMAGE_INSTALL_ELTORITO)
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endef
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GRUB2_POST_INSTALL_TARGET_HOOKS += GRUB2_IMAGE_INSTALLATION
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ifeq ($(GRUB2_PLATFORM),efi)
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define GRUB2_EFI_STARTUP_NSH
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echo $(notdir $(GRUB2_IMAGE)) > \
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$(BINARIES_DIR)/efi-part/startup.nsh
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endef
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GRUB2_POST_INSTALL_TARGET_HOOKS += GRUB2_EFI_STARTUP_NSH
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endif
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$(eval $(autotools-package))
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