Hello R Community,

I have recently started using R for my PhD work. Aside of that I am Mac and iOS 
developer since few years. As far I can see R package for Mac comes in two 
flavors, R (32-bit) and R64 (64-bit).

Correctly if I am wrong, but the only reason of such separation (rather doing 
single universal version for all PPC, i386 and x86_64) is Carbon dependency for 
various R packages? So 32-bit version is the one that uses native Quartz or 
OpenGL rendering, while 64-bit version is the one that can drive over 2GB of 
memory but falls back to X11 as Carbon isn't available for 64-bit.

Can anyone tell me what are the packages that still relay on Carbon (quartz 
renderer, rgl? anything else) that would need to be ported to Cocoa so 64-bit 
version will offer full functionality as 32-bit counterparts on Mac, instead of 
falling back to X11? I guess I could help quickly porting these parts into 
Cocoa, so we got single (3 architecture) binary.

Cheers,
-- 
Adam Strzelecki | nanoant.com

BTW. Who's the Mac package maintainer in R project?
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