I feel like the ESP8266 FreeRTOS SDK ( https://docs.espressif.com/projects/esp8266-rtos-sdk/en/latest/get-started/index.html ) is a forgotten/dead project. It talks about adding esp8266 to the regular ESP-IDF, but it doesn't appear that has happened. The trials and tribulations from deprecated packa...

Not sure if you got this working, but I just went through a bunch of issues similarly getting this running on Ubuntu under WSL2 on windows. The prerequisites for python are deprecated with everything going to python3 now. in the guide there is : Ubuntu and Debian: sudo apt-get install gcc git wget m...