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

[JJ Allaire]

The $(WIN) within the BINPREF is automatically expanded to the correct
architecture. This is definitely possible as we have it working currently
in Rcpp, devtools, and RStudio.


On Sat, Oct 1, 2016 at 8:29 PM, JJ Allaire <jj.allaire at gmail.com> wrote:

> You can do the following:
>
> 1) Add the Rtools bin directory (e.g. C:\Rtools33\bin) to the PATH (so it
> can find make, etc.)
>
> 2) Define  BINPREF environment variables as seen here: https://github.com/
> RcppCore/Rcpp/blob/master/R/Attributes.R#L766-L767
>
> Note that creating a valid path to the root Rtools directory is a bit
> finicky so we have this helper function: https://github.com/
> RcppCore/Rcpp/blob/master/R/Attributes.R#L780-L790. Here's a C++ version
> of the same function that we use in RStudio: https://github.com/
> rstudio/rstudio/blob/db703b6aff4f4136532e99bb1f2c08
> 1fe77f5601/src/cpp/core/r_util/RToolsInfo.cpp#L39-L46
>
>
>
>
> On Sat, Oct 1, 2016 at 8:06 PM, Gábor Csárdi <csardi.gabor at gmail.com>
> 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?
>>
>> Thanks much!
>> Gabor
>>
>> _______________________________________________
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>> R-SIG-windows at r-project.org
>> https://stat.ethz.ch/mailman/listinfo/r-sig-windows
>>
>
>

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