USEMODULE += newlib
USEMODULE += periph

ifneq (,$(filter newlib,$(USEMODULE)))
  DEFAULT_MODULE += newlib_nano
endif

ifneq (,$(filter periph_gpio,$(USEMODULE)))
  # the legacy periph_gpio driver uses gpio_port from periph_gpio_ll
  FEATURES_REQUIRED += periph_gpio_ll
endif

# Make calls to malloc and friends thread-safe
USEMODULE += malloc_thread_safe