48639f074c
lpxelinux is like pxelinux, except it allows retrieving the files for the kernel (with the KERNEL directive) and initrd (the path to initrd= in the APPEND directive) from FTP or HTTP, rather than just from TFTP. Using HTTP or FTP is musch faster than TFTP, so the boot time for big kernels or big initrds is much shorter than with TFTP. Signed-off-by: Yann E. MORIN <yann.morin@orange.com> [Julien: fix typo in commit title] Signed-off-by: Julien Olivain <ju.o@free.fr>
128 lines
4.4 KiB
Makefile
128 lines
4.4 KiB
Makefile
################################################################################
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#
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# syslinux to make target msdos/iso9660 filesystems bootable
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#
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################################################################################
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SYSLINUX_VERSION = 6.03
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SYSLINUX_SOURCE = syslinux-$(SYSLINUX_VERSION).tar.xz
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SYSLINUX_SITE = $(BR2_KERNEL_MIRROR)/linux/utils/boot/syslinux
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SYSLINUX_LICENSE = GPL-2.0+
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SYSLINUX_LICENSE_FILES = COPYING
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SYSLINUX_INSTALL_IMAGES = YES
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# host-util-linux needed to provide libuuid when building host tools
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SYSLINUX_DEPENDENCIES = \
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host-nasm \
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host-python3 \
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host-upx \
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host-util-linux \
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util-linux
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ifeq ($(BR2_TARGET_SYSLINUX_LEGACY_BIOS),y)
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SYSLINUX_TARGET += bios
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endif
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# The syslinux build system must be forced to use Buildroot's gnu-efi
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# package by setting EFIINC, LIBDIR and LIBEFI. Otherwise, it uses its
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# own copy of gnu-efi included in syslinux's sources since 6.03
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# release.
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ifeq ($(BR2_TARGET_SYSLINUX_EFI),y)
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ifeq ($(BR2_ARCH_IS_64),y)
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SYSLINUX_EFI_BITS = efi64
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else
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SYSLINUX_EFI_BITS = efi32
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endif # 64-bit
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SYSLINUX_DEPENDENCIES += gnu-efi
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SYSLINUX_TARGET += $(SYSLINUX_EFI_BITS)
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SYSLINUX_EFI_ARGS = \
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EFIINC=$(STAGING_DIR)/usr/include/efi \
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LIBDIR=$(STAGING_DIR)/usr/lib \
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LIBEFI=$(STAGING_DIR)/usr/lib/libefi.a
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endif # EFI
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# The syslinux tarball comes with pre-compiled binaries.
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# Since timestamps might not be in the correct order, a rebuild is
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# not always triggered for all the different images.
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# Cleanup the mess even before we attempt a build, so we indeed
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# build everything from source.
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define SYSLINUX_CLEANUP
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rm -rf $(@D)/bios $(@D)/efi32 $(@D)/efi64
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endef
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SYSLINUX_POST_PATCH_HOOKS += SYSLINUX_CLEANUP
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# syslinux build system has no convenient way to pass CFLAGS,
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# and the internal zlib should take precedence so -I shouldn't
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# be used.
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# Install in a temporary location that eases final install into
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# images/ (see corresponding command, below).
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# Repeat the target, otherwise syslinux will try to build everything
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# Repeat LD (and CC) as it happens that some binaries are linked at
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# install-time.
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define SYSLINUX_BUILD_CMDS
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$(TARGET_MAKE_ENV) $(MAKE1) \
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ASCIIDOC_OK=-1 \
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A2X_XML_OK=-1 \
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CC="$(TARGET_CC)" \
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LD="$(TARGET_LD)" \
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OBJCOPY="$(TARGET_OBJCOPY)" \
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AS="$(TARGET_AS)" \
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NASM="$(HOST_DIR)/bin/nasm" \
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CC_FOR_BUILD="$(HOSTCC)" \
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CFLAGS_FOR_BUILD="$(HOST_CFLAGS)" \
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LDFLAGS_FOR_BUILD="$(HOST_LDFLAGS)" \
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PYTHON=$(HOST_DIR)/bin/python3 \
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$(SYSLINUX_EFI_ARGS) -C $(@D) $(SYSLINUX_TARGET)
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$(TARGET_MAKE_ENV) $(MAKE1) $(SYSLINUX_EFI_ARGS) INSTALLROOT=$(@D)/br-root.temp \
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CC="$(TARGET_CC)" \
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LD="$(TARGET_LD)" \
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-C $(@D) $(SYSLINUX_TARGET) install
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endef
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# While the actual bootloader is compiled for the target, several
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# utilities for installing the bootloader are meant for the host.
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# Repeat the target, otherwise syslinux will try to build everything
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# Repeat LD (and CC) as it happens that some binaries are linked at
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# install-time.
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# Don't use the temporarily-installed br-root.temp: HOST_DIR may be setup
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# differently (merged usr, merged bin...)
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define SYSLINUX_INSTALL_TARGET_CMDS
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$(TARGET_MAKE_ENV) $(MAKE1) $(SYSLINUX_EFI_ARGS) INSTALLROOT=$(HOST_DIR) \
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CC="$(TARGET_CC)" \
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LD="$(TARGET_LD)" \
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-C $(@D) $(SYSLINUX_TARGET) install
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endef
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# That 'syslinux' binary is an installer actually built for the target.
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# However, buildroot makes no usage of it, so better delete it than have it
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# installed at the wrong place
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define SYSLINUX_POST_INSTALL_CLEANUP
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rm -rf $(HOST_DIR)/bin/syslinux
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endef
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SYSLINUX_POST_INSTALL_TARGET_HOOKS += SYSLINUX_POST_INSTALL_CLEANUP
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SYSLINUX_IMAGES-$(BR2_TARGET_SYSLINUX_ISOLINUX) += bios/core/isolinux.bin
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SYSLINUX_IMAGES-$(BR2_TARGET_SYSLINUX_PXELINUX) += bios/core/pxelinux.bin
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SYSLINUX_IMAGES-$(BR2_TARGET_SYSLINUX_LPXELINUX) += bios/core/lpxelinux.bin
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SYSLINUX_IMAGES-$(BR2_TARGET_SYSLINUX_MBR) += bios/mbr/mbr.bin
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SYSLINUX_IMAGES-$(BR2_TARGET_SYSLINUX_EFI) += $(SYSLINUX_EFI_BITS)/efi/syslinux.efi
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SYSLINUX_C32 = $(call qstrip,$(BR2_TARGET_SYSLINUX_C32))
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# We install the c32 modules from the temporarily installed tree, where
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# they are all neatly installed in a single location, while they are
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# scattered around everywhere in the build tree.
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define SYSLINUX_INSTALL_IMAGES_CMDS
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for i in $(SYSLINUX_IMAGES-y); do \
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$(INSTALL) -D -m 0755 $(@D)/$$i $(BINARIES_DIR)/syslinux/$${i##*/}; \
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done
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for i in $(SYSLINUX_C32); do \
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$(INSTALL) -D -m 0755 $(@D)/br-root.temp/usr/share/syslinux/$${i} \
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$(BINARIES_DIR)/syslinux/$${i}; \
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done
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endef
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$(eval $(generic-package))
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