esp32: Add some specific notes about building on Windows using WSL.
@@ -30,6 +30,13 @@ Follow the guide "Setting Up ESP-IDF", for Windows, Mac or Linux. You
only need to perform up to "Step 2" of the guide, by which stage you
should have installed the cross-compile and cloned the ESP-IDF repository.
+If you are on a Windows machine then the
+[Windows Subsystem for Linux](https://msdn.microsoft.com/en-au/commandline/wsl/install_guide)
+is the most efficient way to install the ESP32 toolchain and build the project.
+If you use WSL then follow the
+[Linux guidelines](http://esp-idf.readthedocs.io/en/latest/get-started/linux-setup.html)
+for the ESP-IDF instead of the Windows ones.
+
Be advised that the ESP-IDF is still undergoing changes and only some
versions are supported. To find which build is compatible refer to the line
in the makefile containing the following:
