[$] Compiling Rust with GCC: an update

While the Rust language has appeal for kernel development, many developers areconcerned by the fact that there is only one compiler available; there aremany reasons why a second implementation would be desirable. At the 2022Kangrejos gathering, three developersdescribed projects to build Rust programs with GCC in two different ways. A fully featured, GCC-based Rustimplementation is still going to take some time, but rapid progress isbeing made.