- Add more options (some are hidden due to missing dependencies)
- Make LibreSSL use to libtls
- Drop `FFSERVER` after [6b35a83214f1](https://git.ffmpeg.org/gitweb/ffmpeg.git/commitdiff/6b35a83214f1)
- Drop `-mstackrealign` after [ea2f72a2c14c](https://git.ffmpeg.org/gitweb/ffmpeg.git/commitdiff/ea2f72a2c14c)