# some system (rpm builds) setup LIB_SUFFIX for cmake. If there is no set, try to get it from system
IF(NOT DEFINED LIB_SUFFIX AND LIB_SUFFIX_ALREADY_SET)
    MESSAGE(STATUS "*********************************************************************")
    MESSAGE(STATUS "LIB_SUFFIX variable is not defined. It will be autodetected now")
    MESSAGE(STATUS "You can set it manually with -DLIB_SUFFIX=<value> (64 for example)")

    # All 32bit system have empty lib suffix
    if(CMAKE_SIZEOF_VOID_P EQUAL 8)
        # If there is lib64 dir, set suffix to 64
        if(IS_DIRECTORY "${CMAKE_INSTALL_PREFIX}/lib64")
            set(LIB_SUFFIX 64)
        elseif(IS_DIRECTORY "${CMAKE_INSTALL_PREFIX}/lib")
            set(LIB_SUFFIX "")
        else()
            message(WARNING "LIB_SUFFIX cannot be autodetected. No \"${CMAKE_INSTALL_PREFIX}/lib\" neither \"${CMAKE_INSTALL_PREFIX}/lib64\" found.")
            set(LIB_SUFFIX "")
        endif()
    else()
        set(LIB_SUFFIX "")
    endif()
    
    set(LIB_SUFFIX_ALREADY_SET 1)

    message(STATUS "LIB_SUFFIX autodetected as '${LIB_SUFFIX}', libraries will be installed into \"${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX}\"")
    MESSAGE(STATUS "*********************************************************************")
ENDIF(NOT DEFINED LIB_SUFFIX AND LIB_SUFFIX_ALREADY_SET)