More LiveCD space optimizations

[Micah Gersten]

On 10/08/2010 04:54 AM, Matthias Klose wrote:
> [ compression related discussion removed ]
>
> So maybe we can save some MB with better compression, but we can save more by 
> not including files at all.  Of course this requires inspection of the packages 
> included on the liveCD.  In the past we did identify some issues and did add 
> some diagnostics to the live CD build logs [1].  Of course you can't run 
> anything and lengthen the live CD build, but some additional diagnostics maybe 
> could be run.
>
> In the past we did see wasted space:
> <snip />
>     - firefox and xulrunner shipping duplicate .js files
>
Well, Firefox is no longer built on top of xulrunner, so this is
necessary, especially with the PGO optimizations if we can get them.  If
webkit has sufficient accessibility and we can port yelp to webkit, we
can drop xulrunner from the CD.