buildroot

################################################################################

#

# grub2

#

################################################################################

​

GRUB2_VERSION = 2.00

GRUB2_SITE = $(BR2_GNU_MIRROR)/grub/

GRUB2_SOURCE = grub-$(GRUB2_VERSION).tar.xz

GRUB2_LICENSE = GPLv3+

GRUB2_LICENSE_FILES = COPYING

GRUB2_DEPENDENCIES = host-bison host-flex

​

ifeq ($(BR2_TARGET_GRUB2_I386_PC),y)

GRUB2_IMAGE = $(BINARIES_DIR)/grub.img

GRUB2_CFG = $(TARGET_DIR)/boot/grub/grub.cfg

GRUB2_TUPLE = i386-pc

GRUB2_TARGET = i386

GRUB2_PLATFORM = pc

else ifeq ($(BR2_TARGET_GRUB2_I386_EFI),y)

GRUB2_IMAGE = $(BINARIES_DIR)/efi-part/EFI/BOOT/bootia32.efi

GRUB2_CFG = $(BINARIES_DIR)/efi-part/EFI/BOOT/grub.cfg

GRUB2_PREFIX = /EFI/BOOT

GRUB2_TUPLE = i386-efi

GRUB2_TARGET = i386

GRUB2_PLATFORM = efi

else ifeq ($(BR2_TARGET_GRUB2_X86_64_EFI),y)

GRUB2_IMAGE = $(BINARIES_DIR)/efi-part/EFI/BOOT/bootx64.efi

GRUB2_CFG = $(BINARIES_DIR)/efi-part/EFI/BOOT/grub.cfg

GRUB2_PREFIX = /EFI/BOOT

GRUB2_TUPLE = x86_64-efi

GRUB2_TARGET = x86_64

GRUB2_PLATFORM = efi

endif

​

GRUB2_BUILTIN_MODULES = $(call qstrip,$(BR2_TARGET_GRUB2_BUILTIN_MODULES))

​

# Grub2 is kind of special: it considers CC, LD and so on to be the

# tools to build the native tools (i.e to be executed on the build

# machine), and uses TARGET_CC, TARGET_CFLAGS, TARGET_CPPFLAGS to

# build the bootloader itself.

​

GRUB2_CONF_ENV = \

    $(HOST_CONFIGURE_OPTS) \

    CPP="$(HOSTCC) -E" \

    TARGET_CC="$(TARGET_CC)" \

    TARGET_CFLAGS="$(TARGET_CFLAGS)" \

    TARGET_CPPFLAGS="$(TARGET_CPPFLAGS)"

​

GRUB2_CONF_OPT = \

    --target=$(GRUB2_TARGET) \

    --with-platform=$(GRUB2_PLATFORM) \

    --disable-grub-mkfont \

    --enable-efiemu=no \

    --enable-liblzma=no \

    --enable-device-mapper=no \

    --enable-libzfs=no \

    --disable-werror

​

# We don't want all the native tools and Grub2 modules to be installed

# in the target. So we in fact install everything into the host

# directory, and the image generation process (below) will use the

# grub-mkimage tool and Grub2 modules from the host directory.