未从RStudio检测到Rtools [英] Rtools is not being detected from RStudio

问题描述

我正在使用最新的R，RStudio和Rtools.

-我已经更新了环境变量.现在，我可以从命令行调用gcc或R了.

当我尝试从RStudio发布应用程序时，出现以下错误，

准备部署应用程序...完成 应用程序:64015 ...错误: *应用程序取决于软件包"Rtools"，但尚未安装.请先解决，然后再继续.执行停止

-我已经在控制台上尝试过

> find_rtools(T)
Scanning path...
ls : D:\Rtools\bin\ls.exe 
gcc: D:\Rtools\GCC-46~1.3\bin\gcc.exe 
VERSION.txt
Rtools version 3.3.0.1959 
Version: 3.3 
[1] TRUE

因此，Rtools似乎基本上就在那里！

-我已经检查了环境变量，因为我也提到过R和gcc可以从命令行启动

但是，我尝试使用安装程序包在RStudio内进行安装和检查，

> install.Rtools()
No need to install Rtools - You've got the relevant version of Rtools installed
> 

-这是不可能的重复， R工具未被R检测到 我已经尝试了所有这些.没有用.

请提出解决方案.非常感谢您的宝贵时间.

解决方案

我不知道RStudio为何会时不时出现此类问题，但是此处介绍了一种手动解决方法:

https: //github.com/rwinlib/r-base/wiki/Testing-Packages-with-Experimental-R-Devel-Build-for-Windows

基本上，您必须将两个环境变量设置为Rtools的正确安装路径:

Sys.setenv(PATH = paste("C:/Rtools/bin", Sys.getenv("PATH"), sep=";"))
Sys.setenv(BINPREF = "C:/Rtools/mingw_$(WIN)/bin/")

为避免重新启动RStudio后丢失此更改，您可以改为修改Windows环境变量，或将以下行添加到每次R启动时执行的.Renviron文件中.

BTW:$(WIN)部分是 no 错字，但必须输入，以便R可以根据所使用的R版本(32或64位)注入"32"或"64". /p>

:另请参见最近发布的这篇r-bloggers文章:

-- I have tried this,On Console,

> find_rtools(T)
Scanning path...
ls : D:\Rtools\bin\ls.exe 
gcc: D:\Rtools\GCC-46~1.3\bin\gcc.exe 
VERSION.txt
Rtools version 3.3.0.1959 
Version: 3.3 
[1] TRUE

So, Rtools seems basically there!

-- I have checked environment variables, those are OK, as I also mentioned R and gcc can be started from command line

Yet, I tried to install and check from within RStudio using installr package, it says,

> install.Rtools()
No need to install Rtools - You've got the relevant version of Rtools installed
> 

-- This is not a possible duplication of this, Rtools not being detected by R I have tried all these. Did not work.

Please suggest a solution. Thank you very much for your time.

解决方案

I have no idea why RStudio has such kind of problems from time to time but there is a manual work-around described here:

https://github.com/rwinlib/r-base/wiki/Testing-Packages-with-Experimental-R-Devel-Build-for-Windows

Basically you have to set two environment variables to the correct installation path of Rtools:

Sys.setenv(PATH = paste("C:/Rtools/bin", Sys.getenv("PATH"), sep=";"))
Sys.setenv(BINPREF = "C:/Rtools/mingw_$(WIN)/bin/")

To avoid losing this change after restarting RStudio you could modify your Windows environment variables instead or add the following rows to your .Renviron file that is executed at each startup of R.

BTW: The $(WIN) part is no typo but required so that R can inject "32" or "64" depending on the R version you are using (32 or 64 bit).

Edit 1:: See also this r-bloggers article published recently: https://www.r-bloggers.com/quirks-about-running-rcpp-on-windows-through-rstudio/

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