Darwin as primary platform

[Eric Christopher]

Bradley Lucier wrote:
> Right now, it seems that one may not be able to build a 64-bit version 
> of the compiler itself, on either either x86-64 or ppc64, see
> 
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28994
> 
> I notice that because some of my (automatically generated) C programs, 
> with certain compiler options, require more memory than a 32-bit 
> compiler provides.
> 
> Just a comment.
> 

You may or may not have noticed that there are no 64-bit native targets 
for darwin.

-eric