Compile issue for RStan

Hi Ben,

I run Sys.getenv() at my own laptop and company laptop. Here I highlight as yellow for the differences:

My own laptop:


My company laptop:


Please note that for all the highlight items, all are with identical names but different values; except for:
“Moz_PLUGIN_PATH” named in my own laptop with value “C:\program files…”
“MSYS2_ENV_CONV_EXCL” named in my company laptop with value “R_ARCH”

Additionally, my own laptop has two more items:
image