A developer tool, not built or installed upstream. It also failed to link in both portable builds
(static cuFFT without the device-link step on Linux with CUDA, ws2_32 on Windows).
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EizBKhTqrAYago9KJG3dA3