Portable mruby binaries with Cosmopolitan

One of my main interests with mruby is its ability to create standalone executables. As explored in this post, this is absolutely possible and works well. However, there is a classic issue of most standalone binaries: they can only be run on the same, or very similar, system as the one they were built on. For example, if I take an executable from my mruby Hello World project, built on amd64 Linux, it won’t work on Silicon Mac: $ ./hello exec: Failed to execute process: './hello' the file could not be run by the operating system. exec: Maybe the interpreter directive (#! line) is broken? Mruby does have some cross-compilation capabilities, but I’ll be honest: it always felt intimidating, complected and I never actually got it working from Linux to MacOS. So, are we doomed here? Is it possible to build standalone binaries for MacOS without a MacOS docker image or something? While reading the changelog of mruby I noticed one entry there that got me curious: New Platform: Cosmopolitan…