This is sort of a follow-up on Embedded Swift running on the Raspberry Pi Pico, but with a different take. I managed to create a very small Embedded Swift "toolchain" for building pure Swift executables for the Raspberry Pi Pico (it might also work with other RP2040 boards, but I'm only testing on the Pico). The "toolchain" is just a Makefile, so no SwiftPM integration yet, but I feel we're not too far off. The repository is here if you want to try it out: It should work on macOS and Linux a...