This helper script lets you cross compile a windows-based 32 or 64-bit version of ffmpeg.exe/mplayer/mp4box.exe, etc, including their dependencies and libraries that ...

No when I encountered the issue testing an -a build with my changes I also cloned the repo from 7d90ee6 (before any of my commits) and ran into the same problem. As I said it is only on 32-bit builds, ...