Hiya, I'm plugging a Vagrant wrapper I wrote to automate cross-platform builds using Vagrant-based build bots. Inspired by gox, but intended for projects that require more finessing for cross-compilation. What do you think?
https://github.com/mcandre/tonixxxBasically, tonixxx does the heavy lifting of copying your source code into the build bots, executing custom build steps, and copying artifacts back to the host. tonixxx could have been a lil' shell script, but I figure supporting non-POSIX hosts like Windows is a win. The intent is to encourage more systems language projects to publish ports for the different operating systems kernels, and to do so regardless of whether the contributor is working from a Linux, macOS, Windows, etc. developer machine.