INCLUDES += -I$(PKGDIRBASE)/etl/include
INCLUDES += -I$(RIOTPKG)/etl/config

# There's nothing to build in this package, it's used as a header only library.
# So it's declared as a pseudo-module
PSEUDOMODULES += etl

# Activate the usage of libstdcpp types and features if available
# This prevents unnecessary reimplementations
ifneq (,$(filter libstdcpp,$(FEATURES_USED)))
  CXXEXFLAGS += -DFEATURE_LIBSTDCPP
# Kconfig alternative
else ifdef CONFIG_KCONFIG_HAS_LIBSTDCPP
  CXXEXFLAGS += -DFEATURE_LIBSTDCPP
endif

# Some boards don't provide NAN or by default don't define limits like UINT8_MAX in CPP context
# This activates the appropriate workarounds
ifneq (,$(filter arch_avr8,$(FEATURES_USED)))
  CXXEXFLAGS += -DNO_CPP_NAN_SUPPORT
  CXXEXFLAGS += -D__STDC_LIMIT_MACROS
else ifneq (,$(filter arch_riscv,$(FEATURES_USED)))
  CXXEXFLAGS += -DNO_CPP_NAN_SUPPORT
  CXXEXFLAGS += -D__STDC_LIMIT_MACROS
# Kconfig alternatives
else ifdef CONFIG_CPU_ARCH_AVR8
  CXXEXFLAGS += -DNO_CPP_NAN_SUPPORT
  CXXEXFLAGS += -D__STDC_LIMIT_MACROS
else ifdef CONFIG_CPU_ARCH_RISCV
  CXXEXFLAGS += -DNO_CPP_NAN_SUPPORT
  CXXEXFLAGS += -D__STDC_LIMIT_MACROS
endif

# Some compilers generate this warning. Due to -Werror it prevents this header-only library from compiling when included
CXXEXFLAGS += -Wno-unused-function