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#Rtools install r studio download
rs.installBuildTools offers to download a binary different from the one in CRAN
#Rtools install r studio windows
on windows R expect Rtools to be in c:\rtools and does not check the PATH by default.I remind that if I use the binary installer I download from CRAN directly,it offers an installation in c:\rtools and everything is fine.Īlso, if I am outside of Rstudio where getOption("buildtools.check") = NULL (not defined), everything is ok because pkgbuild::has_rtools is launched and gets correct path. BINPREF is read by R, and everything is ok after that. When I use pkgbuild::find_rtools or pkgbuild::has_rtools, the correct path to Rtools is found because I set it in the PATH variable, and the BINPREF is set at the correct value. rs.installBuildTools is called to offer to download Rtools even I have already done it and it is not in the correct location. So there is a mismatch between what if offered by RStudio to download, and what R knows.Call("rs_canBuildCpp") is still FALSE in preview version, and. However, if I used the installer from pkgbuild::has_build_tools, rtools is installed in C:\Rbuildtools. On a fresh install of R, I have on my windows machine callr::rcmd_safe("config", "CC")$stdout This is still an issue with preview version. #> C:/Users/chris/Documents/R/win-library/3.5 ? Describe the behavior you expectedĪs I have everything set up in my PATH, I expected to get it to work directly in RStudio without having to call pkgbuild::find_rtools So there seem to be something with the location where RTools is installed. #> Found compatible gcc from R CMD config CC pkgbuild::find_rtools seems to correctly get the information from R CMD config CC this time.If I uninstall Rtools, get the installer directly from CRAN, double click on it and install Rtools in C:/Rtools, configure PATH with new paths, oddly everything is working now. I think this function is not checking the PATH environment variable. #> gcc_path: C:\RBuildTools\3.5\mingw_64\bin\gcc.exeĪfter that, everything works find with devtools. #> 'c:/Rtools/mingw_64/bin/gcc.exe' does not exist When trying to use any devtools function (i.e load_all) that need Rtools, I get the message to download unless I use first pkgbuild::find_rtools(debug = TRUE)
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