• KERNEL_ONLY (yes|no):
    • leave empty to display selection dialog each time
    • set to “yes” to compile only kernel, u-boot and other packages for installing on existing Armbian system
    • set to “no” to build complete OS image for writing to SD card
  • KERNEL_CONFIGURE (yes|no):
    • leave empty to display selection dialog each time
    • set to “yes” to configure kernel (add or remove modules or features). Kernel configuration menu will be brought up before compilation
    • set to “no” to compile kernel without changing default or custom provided configuration
  • CLEAN_LEVEL (comma-separated list): defines what should be cleaned. Default value is "make,debs" - clean sources and remove all packages. Changing this option can be useful when rebuilding images or building more than one image
    • “make” = execute make clean for selected kernel and u-boot sources,
    • “images” = delete output/images (complete OS images),
    • “debs” = delete packages in output/debs for current branch and device family,
    • “alldebs” = delete all packages in output/debs,
    • “cache” = delete output/cache (rootfs cache),
    • “sources” = delete sources (all downloaded sources),
    • “extras” = delete additional packages for current release in output/debs/extra
  • KERNEL_KEEP_CONFIG (yes|no):
    • set to “yes” to use kernel config file from previous compilation for the same branch, device family and version
    • set to “no” to use default or user-provided config file
  • BUILD_DESKTOP (yes|no):
    • set to “yes” to build image with minimal desktop environment
    • set to “no” to build image with console interface only
  • EXTERNAL (yes|no):
    • set to “yes” to compile and install extra applications and firmware
  • BSPFREEZE (no|yes): freeze (from update) armbian packages when building images (u-boot, kernel, dtb)
  • INSTALL_HEADERS (no|yes): install kernel headers package
  • EXTERNAL_NEW (no|prebuilt|compile):
    • set to “prebuilt” to install extra applications from repository
    • set to “compile” to compile extra applications in chroot
  • CREATE_PATCHES (yes|no):
    • set to “yes” will prompt you right before the compilation starts to make changes to the source code. Separate for u-boot and kernel. It will also create a patch out of this. If you want that this patch is included in the normal run, you need to copy it to appropriate directory
    • set to “no” compilation will run uninterrupted
  • BUILD_ALL (yes|no|demo): cycle through all available board and kernel configurations and make images for all combinations

Hidden options to minimize user input for build automation:

  • BOARD (string): you can set name of board manually to skip dialog prompt
  • BRANCH (default|next|dev): you can set kernel and u-boot branch manually to skip dialog prompt; some options may not be available for all devices
  • RELEASE (wheezy|jessie|trusty|xenial): you can set OS release manually to skip dialog prompt; use this option with KERNEL_ONLY=yes to create board support package

Hidden options for advanced users (default values are marked bold):

  • USE_CCACHE (yes|no): use a C compiler cache to speed up the build process
  • PRIVATE_CCACHE (yes|no) use $DEST/ccache as ccache home directory
  • PROGRESS_DISPLAY (none|plain|dialog): way to display output of verbose processes - compilation, packaging, debootstrap
  • PROGRESS_LOG_TO_FILE (yes|no): duplicate output, affected by previous option, to log files output/debug/*.log
  • USE_MAINLINE_GOOGLE_MIRROR (yes|no): use googlesource.com mirror for downloading mainline kernel sources, may be faster than git.kernel.org depending on your location
  • USE_GITHUB_UBOOT_MIRROR (yes|no): use unofficial Github mirror for downloading mainline u-boot sources, may be faster than git.denx.de depending on your location
  • IGNORE_UPDATES (yes|no): skip downloading and updating sources
  • FORCE_USE_RAMDISK (yes|no): overrides autodetect for using tmpfs in new debootstrap and image creation process
  • FIXED_IMAGE_SIZE (integer): create image file of this size (in megabytes) instead of minimal
  • COMPRESS_OUTPUTIMAGE (yes|no): create compressed archive with image file and GPG signature for redistribution
  • SEVENZIP (yes|no): create .7z archive with extreme compression ratio instead of .zip
  • BUILD_KSRC (yes|no): create kernel sorce packages
  • ROOTFS_TYPE (ext4|f2fs|btrfs|nfs|fel): create image with different root filesystems instead of default ext4. Requires setting FIXED_IMAGE_SIZE to something smaller than the size of your SD card for F2FS
  • FORCE_CHECKOUT (yes|no): set to “no” to skip forced sources checkout and patching