Installation fails on macOS 13.2.1 with missing gfortran #4
Description
Installation fails on macOS 13.2.1 with the following error due to an incorrect gfortran path:
> devtools::install_github("EMODnet/Btrait", depend=TRUE, build_vignettes=TRUE)
Downloading GitHub repo EMODnet/Btrait@HEAD
── R CMD build ────────────────────────────────────────────────────────────────────────────────────────
✔ checking for file ‘/private/var/folders/gb/7ff56y1n0k5dg23rzcfylh7r0000gn/T/RtmpUTC7dC/remotes14cc1698aef6a/EMODnet-Btrait-a15f10e/DESCRIPTION’ ...
─ preparing ‘Btrait’:
✔ checking DESCRIPTION meta-information ...
─ cleaning src
─ installing the package to build vignettes
-----------------------------------
─ installing *source* package ‘Btrait’ ...
** using staged installation
** libs
clang -arch arm64 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG -I/opt/R/arm64/include -fPIC -falign-functions=64 -Wall -g -O2 -Wall -pedantic -fdiagnostics-color=always -c BtraitMethods.c -o BtraitMethods.o
/opt/R/arm64/bin/gfortran -mtune=native -fno-optimize-sibling-calls -fPIC -Wall -g -O2 -c extendTrait.f95 -o extendTrait.o
make: /opt/R/arm64/bin/gfortran: No such file or directory
make: *** [extendTrait.o] Error 1
ERROR: compilation failed for package ‘Btrait’
─ removing ‘/private/var/folders/gb/7ff56y1n0k5dg23rzcfylh7r0000gn/T/RtmpDIUEoC/Rinst1550130eec8f1/Btrait’
-----------------------------------
ERROR: package installation failed
Error: Failed to install 'Btrait' from GitHub:
! System command 'R' failed
The solution for my system, which has gfortran as part of the homebrew gcc installation (brew install gcc), was to create a file ~/.R/Makevars with the following content:
FC = /opt/homebrew/Cellar/gcc/12.2.0/bin/gfortran
F77 = /opt/homebrew/Cellar/gcc/12.2.0/bin/gfortran
FLIBS = -L/opt/homebrew/Cellar/gcc/12.2.0/lib/gcc/12