Isolate kernel into its own build artifact.
Isolate kernel into its own build artifact.

As with $IPL, make sure the sys/ directory exists, as the kernel will compile
into a file called $SYS.

8l/kestrel,sam-falvo/kestrel,KestrelComputer/kestrel,8l/kestrel,sam-falvo/kestrel,KestrelComputer/kestrel,8l/kestrel,KestrelComputer/kestrel,8l/kestrel,8l/kestrel,sam-falvo/kestrel,sam-falvo/kestrel,KestrelComputer/kestrel,8l/kestrel