HelenOS looks very cool and a port of a compiler to it sounds like a great project! But why GCC? GCC is the crufty old compiler of yesteryear. It's a solid w

HelenOS looks very cool and a port of a compiler to it sounds like a great project! But why GCC? GCC is the crufty old compiler of yesteryear. It's a solid workhorse but big and inflexible, and in my opinion its importance will be waning as LLVM/Clang matures. Had you considered porting LLVM/Clang instead?