buildroot/fs/iso9660/Config.in

config BR2_TARGET_ROOTFS_ISO9660
	bool "iso image"
	depends on (BR2_i386 || BR2_x86_64)
	depends on BR2_LINUX_KERNEL
	select BR2_TARGET_ROOTFS_CPIO
	select BR2_TARGET_GRUB
	select BR2_TARGET_GRUB_FS_ISO9660
	help
	  Build a bootable iso9660 image

config BR2_TARGET_ROOTFS_ISO9660_BOOT_MENU
	string "Boot menu.lst file"
	depends on BR2_TARGET_ROOTFS_ISO9660
	default "fs/iso9660/menu.lst"

comment "iso image needs a Linux kernel to be built"
	depends on BR2_i386 || BR2_x86_64
	depends on !BR2_LINUX_KERNEL