Don't quote me on this but I don't think the later versions of Obj-C run on gcc, but llvm/clang. Whilst thats available outside the Mac realm it depends on whet

Don't quote me on this but I don't think the later versions of Obj-C run on gcc, but llvm/clang. Whilst thats available outside the Mac realm it depends on whether it's specifically modified. But yeah, you're right the Cocoa aspects are the bigger overhead, I should have been more clear.