After spending a lot of time, I could not build a working version of ddnet for Windows with turned on MYSQL flag. Perhaps it would be worthwhile to check the availability of this feature and add build guides. In more detail about how I tried to build here (look recent messages): https://forum.ddnet.tw/viewtopic.php?f=16&t=5765&start=20

Those in favor say they’re fighting for content creators, but critics say the new laws will be ‘catastrophic’

you get the idea :)