################################################################################
|
#
|
# syslinux to make target msdos/iso9660 filesystems bootable
|
#
|
################################################################################
|
|
SYSLINUX_VERSION = 6.03
|
SYSLINUX_SOURCE = syslinux-$(SYSLINUX_VERSION).tar.xz
|
SYSLINUX_SITE = $(BR2_KERNEL_MIRROR)/linux/utils/boot/syslinux
|
|
SYSLINUX_LICENSE = GPL-2.0+
|
SYSLINUX_LICENSE_FILES = COPYING
|
|
SYSLINUX_INSTALL_IMAGES = YES
|
|
# host-util-linux needed to provide libuuid when building host tools
|
SYSLINUX_DEPENDENCIES = host-nasm host-upx util-linux host-util-linux
|
|
ifeq ($(BR2_TARGET_SYSLINUX_LEGACY_BIOS),y)
|
SYSLINUX_TARGET += bios
|
endif
|
|
# The syslinux build system must be forced to use Buildroot's gnu-efi
|
# package by setting EFIINC, LIBDIR and LIBEFI. Otherwise, it uses its
|
# own copy of gnu-efi included in syslinux's sources since 6.03
|
# release.
|
ifeq ($(BR2_TARGET_SYSLINUX_EFI),y)
|
ifeq ($(BR2_ARCH_IS_64),y)
|
SYSLINUX_EFI_BITS = efi64
|
else
|
SYSLINUX_EFI_BITS = efi32
|
endif # 64-bit
|
SYSLINUX_DEPENDENCIES += gnu-efi
|
SYSLINUX_TARGET += $(SYSLINUX_EFI_BITS)
|
SYSLINUX_EFI_ARGS = \
|
EFIINC=$(STAGING_DIR)/usr/include/efi \
|
LIBDIR=$(STAGING_DIR)/usr/lib \
|
LIBEFI=$(STAGING_DIR)/usr/lib/libefi.a
|
endif # EFI
|
|
# The syslinux tarball comes with pre-compiled binaries.
|
# Since timestamps might not be in the correct order, a rebuild is
|
# not always triggered for all the different images.
|
# Cleanup the mess even before we attempt a build, so we indeed
|
# build everything from source.
|
define SYSLINUX_CLEANUP
|
rm -rf $(@D)/bios $(@D)/efi32 $(@D)/efi64
|
endef
|
SYSLINUX_POST_PATCH_HOOKS += SYSLINUX_CLEANUP
|
|
# syslinux build system has no convenient way to pass CFLAGS,
|
# and the internal zlib should take precedence so -I shouldn't
|
# be used.
|
define SYSLINUX_BUILD_CMDS
|
$(TARGET_MAKE_ENV) $(MAKE1) \
|
CC="$(TARGET_CC)" \
|
LD="$(TARGET_LD)" \
|
NASM="$(HOST_DIR)/bin/nasm" \
|
CC_FOR_BUILD="$(HOSTCC)" \
|
CFLAGS_FOR_BUILD="$(HOST_CFLAGS)" \
|
LDFLAGS_FOR_BUILD="$(HOST_LDFLAGS)" \
|
$(SYSLINUX_EFI_ARGS) -C $(@D) $(SYSLINUX_TARGET)
|
endef
|
|
# While the actual bootloader is compiled for the target, several
|
# utilities for installing the bootloader are meant for the host.
|
# Repeat the target, otherwise syslinux will try to build everything
|
# Repeat LD (and CC) as it happens that some binaries are linked at
|
# install-time.
|
define SYSLINUX_INSTALL_TARGET_CMDS
|
$(TARGET_MAKE_ENV) $(MAKE1) $(SYSLINUX_EFI_ARGS) INSTALLROOT=$(HOST_DIR) \
|
CC="$(TARGET_CC)" \
|
LD="$(TARGET_LD)" \
|
-C $(@D) $(SYSLINUX_TARGET) install
|
endef
|
|
# That 'syslinux' binary is an installer actually built for the target.
|
# However, buildroot makes no usage of it, so better delete it than have it
|
# installed at the wrong place
|
define SYSLINUX_POST_INSTALL_CLEANUP
|
rm -rf $(HOST_DIR)/bin/syslinux
|
endef
|
SYSLINUX_POST_INSTALL_TARGET_HOOKS += SYSLINUX_POST_INSTALL_CLEANUP
|
|
SYSLINUX_IMAGES-$(BR2_TARGET_SYSLINUX_ISOLINUX) += bios/core/isolinux.bin
|
SYSLINUX_IMAGES-$(BR2_TARGET_SYSLINUX_PXELINUX) += bios/core/pxelinux.bin
|
SYSLINUX_IMAGES-$(BR2_TARGET_SYSLINUX_MBR) += bios/mbr/mbr.bin
|
SYSLINUX_IMAGES-$(BR2_TARGET_SYSLINUX_EFI) += $(SYSLINUX_EFI_BITS)/efi/syslinux.efi
|
|
SYSLINUX_C32 = $(call qstrip,$(BR2_TARGET_SYSLINUX_C32))
|
|
# We install the c32 modules from the host-installed tree, where they
|
# are all neatly installed in a single location, while they are
|
# scattered around everywhere in the build tree.
|
define SYSLINUX_INSTALL_IMAGES_CMDS
|
for i in $(SYSLINUX_IMAGES-y); do \
|
$(INSTALL) -D -m 0755 $(@D)/$$i $(BINARIES_DIR)/syslinux/$${i##*/}; \
|
done
|
for i in $(SYSLINUX_C32); do \
|
$(INSTALL) -D -m 0755 $(HOST_DIR)/share/syslinux/$${i} \
|
$(BINARIES_DIR)/syslinux/$${i}; \
|
done
|
endef
|
|
$(eval $(generic-package))
|
