# mpaland's printf does not implement non-standard format specifiers. For # AVR MCUs we do need the ability to print from PROGMEM, though. Hence, this # is not compatible with AVR MCUs. FEATURES_BLACKLIST += arch_avr8 # On 32 bit and 64 bit systems support for long long is so cheap, that we # can enable it by default. Users can still disable it, though. ifneq (,$(filter arch_32bit arch_64bit,$(FEATURES_USED))) DEFAULT_MODULE += printf_long_long endif