Getting to blinky with an ESP32 board


I am trying out Zephyr following the "Getting Started" guide:

I've installed the toolchain and I am trying to get the blinky example running on an ESP32 board. I've installed the latest stable ESP toolchain according to the instructions here:

To set up the build environment, I apparently need to set the following environment variable:
export ESPRESSIF_TOOLCHAIN_PATH="/path/to/xtensa-esp32-elf/"
Unfortunately, there is no "xtensa-esp32-elf/" directory that I can find.

When I try to build the example, I get the following error:
  not found - Please check your toolchain installation

It is probably something simple, but I'm stumped. Can someone point me in the right direction?

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