Last time I looked into Rust-on-Cosmopolitan, I couldn't make it work as Cosmopolitan determined syscall numbers, signal numbers, and such at runtime, but Rust standard library assumes compile-time constants (basically the same issue that C switch-case has). How did you get around that? Have you tested these binaries on non-Linux platforms?
We have about ~700 test executables and two programs called runit/runitd which remote execute them across our entire test fleet each time we run `make test`. Currently, the fleet consists of `freebsd rhel7 xnu win10 openbsd netbsd pi silicon`. We used to have rhel5 and win7 in there too, but I've been slacking off the past few months. You can watch a video of how running all the test executables on all the systems only takes about fifteen seconds. https://justine.lol/sizetricks/#why
