Jonatan Zint

Thanks fo your reply and sorry for forgetting this crucial information. I am using arch linux having the arduino toolchain installed (1.8.9-1) CLion Version: ``` CLion 2019.1.2 Build #CL-191.6707.69, built...

better late than never... arch linux seems to have a little deviance from standard.... this fixed it: https://github.com/queezythegreat/arduino-cmake/issues/157#issuecomment-355550867