This is guide to enable support for ESP32 platformio on FreeBSD.
If you have these error messages:
Processing test32 (board: esp32dev; framework: arduino; platform: espressif32)
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PackageManager: Installing toolchain-xtensa32 @ ~2.50200.0
Error: Could not find a version that satisfies the requirement '~2.50200.0' for your system 'freebsd_amd64'
then this guide is for you.