Your build_flags / unflags are correct.
However, this does not change the fact that Espressif’s xtensa-esp32-toolchain is missing the necessary header files.
(Same as here: Possible to use C++20 for ESP32 with Arduino framework)
Your build_flags / unflags are correct.
However, this does not change the fact that Espressif’s xtensa-esp32-toolchain is missing the necessary header files.
(Same as here: Possible to use C++20 for ESP32 with Arduino framework)