Function _compute_link_environment_fingerprint

ci/wasm_build.py:285–295

Fingerprint link conditions that affect emcc/JS output.

(mode: str)

def _compute_link_environment_fingerprint(mode: str) -> str:
    """Fingerprint link conditions that affect emcc/JS output."""
    digest = hashlib.md5(usedforsecurity=False)
    digest.update(f"mode:{mode}".encode())
    digest.update(json.dumps(get_link_flags(mode)).encode())
    digest.update(f"emcc_version:{_get_emcc_version_signature()}".encode())

    for key in _LINK_ENV_VARS:
        digest.update(f"{key}={os.environ.get(key, '')}".encode())

    return digest.hexdigest()


def _link_environment_fingerprint_matches(build_dir: Path, mode: str) -> bool: