[R-SIG-Win] Install multiple versions of Rtools

[Duncan Murdoch]

On 01/10/2016 8:06 PM, Gábor Csárdi wrote:
> Hi All,
>
> I would like to have both rtools 3.3 and 3.4 on the same machine, one
> in c:\rtools33, the other in c:\rtools34.
>
> I managed to do it via modifying the RHOME/etc/ARCH/Makeconf files. Is
> there a better way, by simply setting environment variables?
>

Presumably you could modify the PATH to switch between them.  I don't 
think we put in anything more specific.

Duncan Murdoch