build gcc with distcc

[Mike Stump]

On Nov 19, 2006, at 3:26 PM, Ben Elliston wrote:
> No, it records the timestamp of the compiler driver.  These would  
> always be different in a bootstrap run, so you would never get any  
> cache hits for second and third stage object files.

If they wanted to do something better, they could use the checksum  
value instead, the idea is that if you build, cache the results, and  
them rm -rf and rebuild, all compiles then would come out of the cache.