I'm one of the volunteer package maintainers for MSYS2's MinGW-w64 ecosystem and I've been interested for a little while in packaging the Swift environment. Apparently support for Windows 10 exists and I saw that UCRT is a requirement. For the past week, the MSYS2 team has started a repo for UCRT and it got me wondering if building a Swift toolchain might work with it?
I'm not sure where I would begin. The Github mentions the use of sccache which I made a package for, but are there any other dependencies I'd need to set up before trying to build Swift itself? Windows build instructions aren't exactly easy to come by.