[R-SIG-Mac] New {macrtools} package to help setup compiled code environments on Intel and ARM-based macs

Adrian Dușa du@@@@dr|@n @end|ng |rom un|buc@ro
Fri Mar 24 09:23:51 CET 2023

 Just went through the commands, on a new MacBook Pro with M2 Max, MacOS
Ventura 13.2.1
I already had Xcode CLI installed, and the gfortran installation went well
until it stopped at the icu binary:

Downloading binary:
trying URL '
Content type 'application/octet-stream' length 11923364 bytes (11.4 MB)
downloaded 4.9 MB

Error in utils::download.file(url, save_location, quiet = !verbose) :
  download from '
In addition: Warning messages:
1: In utils::download.file(url, save_location, quiet = !verbose) :
  downloaded length 5095370 != reported length 11923364
2: In utils::download.file(url, save_location, quiet = !verbose) :
  URL '
Timeout of 60 seconds was reached

Not sure if it helps, but still reporting.

Best wishes,

On 24 Mar 2023 at 10:04:25, "Balamuta, James Joseph" <balamut2 using illinois.edu>

> All,
> Hope all is well.
> About a month or so back, we revisited the **unofficial** macOS R
> compilation toolchain setup wizard with a focus on making it more
> maintainable without an Apple developer subscription. The result is the new
> {macrtools} R package. You can learn more about it here:
> GitHub: https://github.com/coatless-mac/macrtools
> Documentation: https://mac.thecoatlessprofessor.com/macrtools/
> Video walkthrough: https://www.youtube.com/watch?v=_fckF0fefXQ
> The package setups the required components for the macOS R compilation
> toolchain on both Intel-based and Arm-based macs with just the issuance in
> R of:
> macrtools::macos_rtools_install()
> This will attempt to install:
>  *   Xcode CLI
>  *   gfortran
>  *   R Development binaries
> We’re grateful for the early testing feedback from both Bob Rudis and Adam
> H Sparks related to ARM-based macs and Simon Urbanek’s help with unpacking
> binaries as well as the install user prompt best practices note. (Note:
> This is not an endorsement from Simon or CRAN. This is an **unofficial**
> project to support macOS users who are not familiar with command-line
> tools.)
> We hope this improves the experience in setting up the compilation
> toolchain and lowers the barrier of entry for using packages like RStan and
> RcppArmadillo.
> Best,
> ---
> James J Balamuta, Ph.D.
> Visiting Assistant Professor
> Department of Statistics
> Office of the CIO – Innovation Scholar and Advisor
> University of Illinois Urbana-Champaign
> "The greatest value of a picture is when it forces us to notice what we
> never expected to see."
> ~ John Tukey
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Adrian Dusa
University of Bucharest
Romanian Social Data Archive
Soseaua Panduri nr. 90-92
050663 Bucharest sector 5

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