For what it's worth, the "caching" is critical for cross compiles because you can't test for functionality using binaries that don't run on your system. But tha

For what it's worth, the "caching" is critical for cross compiles because you can't test for functionality using binaries that don't run on your system. But that's not really caching -- that's preconfiguration. I don't see much point in actually caching things on a native system.