Build portability: enable or disable warnings

[Jonathan Gibbons]

On 05/20/2011 06:57 AM, Dr Andrew John Hughes wrote:
>
> I did find it worrying that there was an active desire to use new
> OpenJDK7 language features throughout the codebase (despite the
> bootstrapping problems this can cause), yet these 1.5 issues remain.
>

Speaking just to the bootstrapping problems, we are very aware of the 
issues there, and there is an active desire /not/ to use the new 
language features in the langtools repository so that the version of 
jaavc used to build the other repos can itself be built with the current 
released version of the Java platform.

-- Jon