PATCH: Improve Java build times

[Andreas Tobler]

Bryce McKinlay wrote:
> 
> I havn't had a chance to test it yet, but I like the look of this patch. 
> If I understand it correctly, by calling scandir() on each directory 
> that class/java files are to be read from, and then searching the 
> directory entries to determine existance of a file, you may actually 
> have also solved the os X/cygwin case insensitive file system bug, or at 
> least gone a long way towards it!

For what's worth, it seems that I managed to build a libjava on hfs+ !! 
(darwin-5.4)
I'm installing it right now. I guess it was a success!

Thanks to you all, done on the trunk!

Regards,
Andreas