Windows build
For automation, using a Windows machine is not desirable. Cross-compiling with mingw is an option.
http://mingw-w64.org/doku.php/download
It seems Fedora has the most pre-built packages available. However, it does not have mingw gcc 9 in its repository, so I guess this is blocked by https://lily.kazv.moe/kazv/libkazv/-/issues/8 .
# yum repoquery mingw64-gcc-c++.x86_64
Last metadata expiration check: 0:13:03 ago on Thu Jun 17 02:19:24 2021.
mingw64-gcc-c++-0:10.2.1-6.fc34.x86_64
mingw64-gcc-c++-0:10.3.1-1.fc34.x86_64