Function _get_emcc_version_signature

ci/wasm_build.py:256–282

Return a short cached signature of the active emcc version.

()

def _get_emcc_version_signature() -> str:
    """Return a short cached signature of the active emcc version."""
    from ci.wasm_tools import get_emcc

    global \
        _cached_emcc_version_key, \
        _cached_emcc_version_value, \
        _cached_emcc_version_time
    emcc = get_emcc()
    now = time.monotonic()
    if (
        _cached_emcc_version_key == emcc
        and _cached_emcc_version_value is not None
        and (now - _cached_emcc_version_time) < 0.5
    ):
        return _cached_emcc_version_value

    try:
        result = subprocess.run([emcc, "--version"], capture_output=True, text=True)
        version_text = ((result.stdout or "") + (result.stderr or "")).strip()
    except OSError:
        version_text = "ERROR"

    _cached_emcc_version_key = emcc
    _cached_emcc_version_value = version_text
    _cached_emcc_version_time = now
    return version_text


def _compute_link_environment_fingerprint(mode: str) -> str: