String | Multiple:
This option allows one to inherit configuration from other sections or build environments
in “platformio.ini” (Project Configuration File). Multiple items are allowed, split them with
with a new line.
If you need to extend only a few options from some section, please take a look at Dynamic variables.
[strict_ldf] lib_ldf_mode = chain+ lib_compat_mode = strict [espressi32_base] platform = espressif32 framework = arduino [env:release] extends = espressi32_base, strict_ldf board = esp32dev build_flags = -D RELEASE [env:debug] extends = env:release build_type = debug build_flags = -D DEBUG