if(UNIX)
    include(Platform/UnixPaths)
    if(APPLE)
        list(APPEND CMAKE_SYSTEM_PREFIX_PATH ~/Applications
                                             /Applications
                                             /Developer/Applications
                                             /sw        # Fink
                                             /opt/local) # MacPorts
    endif()
elseif(WIN32)
    include(Platform/WindowsPaths)
endif()

if(ARDUINO_SDK_PATH)
    if(WIN32)
        list(APPEND CMAKE_SYSTEM_PREFIX_PATH ${ARDUINO_SDK_PATH}/hardware/tools/avr/bin)
        list(APPEND CMAKE_SYSTEM_PREFIX_PATH ${ARDUINO_SDK_PATH}/hardware/tools/avr/utils/bin)
    elseif(APPLE)
        list(APPEND CMAKE_SYSTEM_PREFIX_PATH ${ARDUINO_SDK_PATH}/hardware/tools/avr/bin)
    endif()
endif()