elif info_dict.get("vboot", None):
path = "/" + os.path.basename(sourcedir).lower()
img_keyblock = tempfile.NamedTemporaryFile()
- cmd = [info_dict["vboot_signer_cmd"], info_dict["futility"],
+ # We have switched from the prebuilt futility binary to using the tool
+ # (futility-host) built from the source. Override the setting in the old
+ # TF.zip.
+ futility = info_dict["futility"]
+ if futility.startswith("prebuilts/"):
+ futility = "futility-host"
+ cmd = [info_dict["vboot_signer_cmd"], futility,
img_unsigned.name, info_dict["vboot_key"] + ".vbpubk",
info_dict["vboot_key"] + ".vbprivk",
info_dict["vboot_subkey"] + ".vbprivk",