new_contents: from waflib.Configure import conf
  
  
  @conf
  def compare_sdk_version(ctx, platform, version):
      target_env = ctx.all_envs[platform] if platform in ctx.all_envs else ctx.env
      target_version = (int(target_env.SDK_VERSION_MAJOR or 0x5) * 0xff +
                        int(target_env.SDK_VERSION_MINOR or 0x19))
      other_version = int(version[0]) * 0xff + int(version[1])
      diff_version = target_version - other_version
      return 0 if diff_version == 0 else diff_version / abs(diff_version)
  
  
  @conf
  def supports_bitmap_resource(ctx):
      return (ctx.compare_sdk_version('aplite', [0x5, 0x48]) >= 0)
  
subject: Create pebble_sdk_version.py