[R-SIG-Mac] Yosemite and R

[Hadley Wickham]

>
> I have been running Yosemite for quite a while and didn't see any issues so far. Given how little changed in Yosemite I don't expect any changes to the Mavericks build at this point (i.e. Mavericks will remain the base target for all recent OS X builds).

At RStudio, we've seen one problem - the PATH is not passed along to
sub-processes, e.g. these two functions return different values:

Sys.getenv("PATH")
system("echo $PATH")

This breaks Sys.which().

Hadley

-- 
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