Hello there
Preface with MacPro, X 10.5.2, have installed all the suggested tools and
what-have-you from the R-developer's pages.

Having problems with a 64-bit dev-branch install. Can merrily invoke R at
the command line with --arch=x86_64 and subsequently get it to confirm
everything is as expected with noquote(unlist(format(.Machine))).

However, when I use the R.app for Mac OS X GUI rev. 4944 for R
2.7.xDeployment, I get both a reported arch of i386 and the 32-bit response
to the noquote command above. What gives? Try as I might to set x86_64 for
the GUI, I cannot. Am I missing something?
And yes, I would normally just build my own x86_64-targeted R.app, but am
finding that to be a life-shortening experience, to say the least. None of
the published "solutions" have worked, even with additional modifications
and lots of trial and error.

Thanks in advance and sorry if it's something obvious, but I just can't find
a solution that even approaches working from the archives etc...
Eric

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