perigalacticon, I was able to successfully install the Arduino IDE for esp32 by following instructions in below youtube video. Look at minute 2:45 in the video where get.exe is invoked from the windows directory vs. command line. Command line window opened and was able to watch xtensa-esp32-elf-g++ ...

I see same issue 1/13/18 when trying to upload WiFiScanner sketch to Heltec esp32 LoRa board using Arduino IDE 1.8.5. Tend to agree with leovzz as the esp32 Git repo set does not include directory to or xtensa-esp32-elf-g++ file. Appears that get.py command adds files to esp32 needed for upload to t...