Windows on arm64 problem installing xtensa toolchain

[maxgerhardt]

@demosglok

set env variable to windows_arm64 and you’re done

No, you’ll want to set it windows_amd64, so that the ARM system acts like it’s an AMD64 system.

As discussed in

Cant find atmel AVR - windows 11 (in parallels on apple M3 OS

Actually, screw all that. The latest PlatformIO core introcued a setting with which you can make PlatformIO think that your system is just a regular “windows_amd64” one. Which should work if everything can be emulated on ARM64. See https://github.com/platformio/platformio-core/releases/tag/v6.1.16. To use: Use the CLI → pio upgrade and pio --version to make sure your core version is 6.1.16 (or above, in the future). Add a new environment variable to your account with the name PLATFORMIO_SYS…