rather than with the nice Adafruit_ILI9341 libs. The former is so full of AVR-specific voodoo that it completely fails to compile, and is probably easier to re-write from scratch for the ESP32 ...

The ESP32 is the successor to the wildly popular ... [G6EJD] wanted to connect an ILI9341 TFT display and he put the code and information on GitHub. You can also see a video of his work, below.