[Rcpp-devel] Getting Rcpp to install on Windows 10

[Hadley Wickham]

How are you installing Rcpp?  You sometimes see problems like that on
Windows if you try and install a package that is currently loaded.

Hadley

On Wed, Oct 14, 2015 at 11:41 AM, David Gerbing <gerbing at pdx.edu> wrote:
> Hi All
>
> Have a Mac and Windows 7 and all has been fine. I have learned, however,
> that on Windows 10 there has been a difficulty installing my package
> (lessR), which depends on Hadley Wickham's readxl, which depends on Rccp.
> When installing my package, after downloading the dependent packages and
> then unpacking the dependent packages, the following error is produced.
>
> package ?Rcpp? successfully unpacked and MD5 sums checked
> Warning: unable to move temporary installation
>   ?C:\Users\Robert\Documents\R\win-library\3.2\file228496f6c94\Rcpp?
> to
>   ?C:\Users\Robert\Documents\R\win-library\3.2\Rcpp?
>
> All the other needed packages do not generate this error. The lessR package
> then does not load.
>
> The downloaded binary packages are in
>         C:\Users\Robert\AppData\Local\Temp\Rtmpsvd8hG\downloaded_packages
>>
>> library(lessR)
> Error in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]) :
>   there is no package called ?Rcpp?
> Error: package or namespace load failed for ?lessR?
>
> A long list of other packages process just fine, including RcppEigen, lme4,
> etc. Only Rcpp generates this issue, and then I have only verified for
> Windows 10, but I do not have much Windows experience or see many Windows
> machines, so have not thoroughly vetted the limitation to only Windows 10.
>
> Appreciate much any help. Thank you.
>
> David Gerbing
>
> ------
>
>
>
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