external_project = import('unstable-external_project')

bootloader_project = external_project.add_project('configure.py',
  configure_options: [
    bootloader_firmware,
    meson.current_build_dir() / 'build',
    board,
    zephyr,
    ';'.join(zephyr_modules),
    meson.current_source_dir() / 'bootloader.conf',
    signing_key,
  ],
  verbose: true,
)