Already answered to you and on R-pkg-devel [9 mins after you posted there - now more than 5h ago...]:
To quote from the page you downloaded R from: This release uses Xcode 14.2/14.3 and GNU Fortran 12.2. If you wish to compile R packages which contain Fortran code, you may need to download the corresponding GNU Fortran compiler from https://mac.R-project.org/tools <https://mac.r-project.org/tools>. > On Jul 6, 2023, at 5:16 PM, Spencer Graves <spencer.gra...@prodsyse.com> > wrote: > > Hello, All: > > > "R CMD check KFAS" under macOS 11.7.8 (the latest version that will > run on my aging Mac) complains "gfortran: command not found". > > > I just upgraded to R 4.3.1 and installed > "gfortran-12.2-universal.pkg" per > "https://cran.r-project.org/bin/macosx/tools/". I expected this to solve the > problem. It didn't. > > > Suggestions? > Thanks, > Spencer Graves > > > p.s. This is my fork of KFAS, available at > "https://github.com/sbgraves237/KFAS". "sessionInfo()" appears below. > > > ########## > > > sessionInfo() > R version 4.3.1 (2023-06-16) > Platform: x86_64-apple-darwin20 (64-bit) > Running under: macOS Big Sur 11.7.8 > > Matrix products: default > BLAS: > /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib > > LAPACK: > /Library/Frameworks/R.framework/Versions/4.3-x86_64/Resources/lib/libRlapack.dylib; > LAPACK version 3.11.0 > > locale: > [1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8 > > time zone: America/Chicago > tzcode source: internal > > attached base packages: > [1] stats graphics grDevices utils datasets methods base > > loaded via a namespace (and not attached): > [1] compiler_4.3.1 R6_2.5.1 magrittr_2.0.3 cli_3.6.1 > [5] tools_4.3.1 glue_1.6.2 rstudioapi_0.14 roxygen2_7.2.3 > [9] xml2_1.3.4 vctrs_0.6.2 stringi_1.7.12 knitr_1.42 > [13] xfun_0.39 stringr_1.5.0 lifecycle_1.0.3 rlang_1.1.1 > [17] purrr_1.0.1 > > > > _______________________________________________ > R-SIG-Mac mailing list > R-SIG-Mac@r-project.org > https://stat.ethz.ch/mailman/listinfo/r-sig-mac > [[alternative HTML version deleted]] _______________________________________________ R-SIG-Mac mailing list R-SIG-Mac@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-mac