search for: rtools_path

...rs to. Either this should be fixed or if Inno Setup makes it difficult to change then some verbiage should be placed at the top of the screen explaining what its all about. 2. It would be useful if Rtools placed the paths it uses in the registry and possibly also in a batch file too such as: set RTOOLS_PATH=c:\Rtools\bin;c:\Rtools\gcc-4.6.3\bin so that other software can readily access it or those not wishing to permanently change their path have other options. 3. Its not clear from the http://cran.r-project.org/bin/windows/Rtools/ page where the Rtools installer source is located. In the Download...

...w hello.c file, I get the following error:hello.c:1:10: fatal error: R.h: No such file or directory 1 | #include <R.h> | ^~~~~ compilation terminated. I also continued some potential diagnostics with the pkgbuild package. Here is the output: ``` > library(pkgbuild) > rtools_path() [1] "C:\\rtools43/usr/bin" > has_rtools(debug = TRUE) Found in Rtools 4.3 installation folder [1] TRUE > check_rtools(debug = TRUE) Found in Rtools 4.3 installation folder [1] TRUE > has_compiler(debug = TRUE) Trying to compile a simple C file Running "C:/PROGRA~1/R/R-43~1...

TL:DR there are at least three maybe four ways to address this depending on what you plan to do. I usually adjust PATH to add Rtools using .Rprofile. But if you do that then if you want to use the command line to invoke R then you need to set the PATH separately when you start the shell. For this reason some people like to set it in the User Environment Variables control panel... but some Rtools