From bf61279611089edf75882f2817e9de24d833fb81 Mon Sep 17 00:00:00 2001 From: Collin Schwantes Date: Tue, 9 Jan 2024 12:09:29 -0600 Subject: [PATCH] added section on gcc --- dependencies.Rmd | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/dependencies.Rmd b/dependencies.Rmd index 07bb1c2..5046363 100644 --- a/dependencies.Rmd +++ b/dependencies.Rmd @@ -14,5 +14,17 @@ project](http://ropenscilabs.github.io/r-docker-tutorial/) - R packages can be a useful project output. We have some in-house R packages to provide access to internal data and generate reports, and may be developing more for external audiences. Hadley Wickham's [R Packages Book](http://r-pkgs.had.co.nz/) provides guidance for these, and we expect our packages to be up to [rOpenSci standards](https://github.com/ropensci/onboarding). +## GCC and mac silicon +For some reason mac computers with mac silicon (e.g. M2 chip) have issues with +c compilers. Use the following to ensure your mac knows which c compiler to use. + +``` +CXX14FLAGS += -O3 -arch arm64 -ftemplate-depth-256 +FC = /opt/homebrew/Cellar/gcc/13.2.0/bin/gfortran +F77 = /opt/homebrew/Cellar/gcc/13.2.0/bin/gfortran +FLIBS = -L/opt/homebrew/Cellar/gcc/13.2.0/lib/gcc/13 +``` + +## Historically some projects used [Packrat](https://rstudio.github.io/packrat/) or [checkpoint](https://CRAN.R-project.org/package=checkpoint) to fix R package versions. These systems have been superceded by `renv`. \ No newline at end of file