R Under development (unstable) (2023-06-23 r84599 ucrt) -- "Unsuffered Consequences"
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> library(pkgbuild)
> 
> check_build_tools(debug = TRUE)
Found in Rtools 4.3 installation folder
Your system is ready to build packages!
> 
> proc.time()
   user  system elapsed 
   0.29    0.12    0.40