Function _touch_dlls_bg

ci/meson/streaming.py:291–302

()

                                _bdir = build_dir

                                def _touch_dlls_bg() -> None:
                                    try:
                                        touched = _opt.touch_dlls_if_lib_unchanged(
                                            _bdir
                                        )
                                        if touched > 0:
                                            _ts_print(
                                                f"[BUILD] ⚡ Suppressed {touched} DLL relinks"
                                                f" (fastled shared lib content unchanged)"
                                            )
                                    finally:
                                        dll_touch_done.set()

                                dll_touch_done.clear()
                                threading.Thread(