On 02.12.2016 12:23, S Ellison wrote:
Apologies for posting a possibly package-specific question, but I'm not sure
whether this is an R or rstan ussue.
Running rstan under R 3.1.1 in windows 10 I get the well-known error
"Compilation ERROR, function(s)/method(s) not created! C:/Rtools/mingw_64/bin/g++:
not found"
Are you sure this is R-3.1.1?
I'd expect such a message for R >= 3.3.0 if you do not update some
files, but for 3.1.1 the correct PATH should be sufficient.
Nevertheless, there is some code in rstan that seems to deal with Rtools
for some reason, so perhaps better ask its package maintainer.
Best,
Uwe Ligges
The cause on my system is simple; g++ is not on my C:\ drive; it's on D:
My system path correctly points to D:, running
system('g++ -v')
works fine. But the error message shows that either rstan or R is insisting on
a specific call on C:.
I suspect that something is causing either a package, or R, to use the wrong
drive. It _may_ be related to the fact that R itself is in its usual place in
'C:\Program files'.
Any pointers, either to an answer or to a better place to ask, would be welcome.
Steve Ellison
PS: I can see that there is a _fairly_ simple work-round, but I prefer Rtools
where it is for system management reasons and this is (so far) the only place
that the path variable is not correctly picked up.
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