There is also Scratchbox, which was used (and probably is still used) to cross-build embedded Linux distributions. https://github.com/sailfishos/scratchbox2 htt

There is also Scratchbox, which was used (and probably is still used) to cross-build embedded Linux distributions. https://github.com/sailfishos/scratchbox2 https://github.com/sailfishos/scratchbox2 It also offers CPU transparency and was able to run almost arbitrary desktop software, but specializes in build toolchains.