ARDUINO_CORE_LIBS := $(wildcard libraries/*/src) COMPONENT_ADD_INCLUDEDIRS := cores/esp32 variants/esp32 $(ARDUINO_CORE_LIBS) COMPONENT_PRIV_INCLUDEDIRS := cores/esp32/libb64 COMPONENT_SRCDIRS := cores/esp32/libb64 cores/esp32 variants/esp32 $(ARDUINO_CORE_LIBS) CXXFLAGS += -fno-rtti