On Intel Macs the default prefix is /usr/local (another recommended alternative is /opt/R/x86_64) and on arm64 Macs it is /opt/R/arm64.
MAC OS INSTALL GFORTRAN INSTALL
This will build and install all dependencies necessary to compile R including optional capabilities such as cairo, tiff, jpeg, png and texinfo. If you wish to compile all dependencies yourself use the following commands: Note that all binaries used by CRAN are built using the recipes system and thus can be trasparently re-built accordingly.
![mac os install gfortran mac os install gfortran](https://www.cynkra.com/assets/img/og_image.jpg)
MAC OS INSTALL GFORTRAN FULL
Which installs Xcode command line tools which are sufficient to build R (however, if you want to also build the R.app GUI you do need the full Xcode installation). On modern macOS versions you can simply use
![mac os install gfortran mac os install gfortran](https://renewinfinite218.weebly.com/uploads/1/2/6/4/126444615/820017827.jpg)
![mac os install gfortran mac os install gfortran](https://modssims4.com/wp-content/uploads/2021/05/m1-imac-24P-mod-1-1024x576.jpg)
Older versions are available in the "more" section of the Developer pages (Apple developer account necessary). Xcode can be obtained from Apple AppStore and the Xcode developer page. In order to compile R for macOS, you will need the following tools: