if(USE_FSAL_RGW)
  find_library(LIBRGW rgw)
  check_library_exists(
    rgw
    ""
    ${RGW_PREFIX}
    LIBRGW
    )
  if(NOT LIBRGW)
    if(STRICT_PACKAGE)
      message(FATAL_ERROR "STRICT_PACKAGE : Cannot find RGW runtime.  Disabling RGW fsal build")
    else(STRICT_PACKAGE)
      message(WARNING "Cannot find RGW runtime.  Disabling RGW fsal build")
      set(USE_FSAL_RGW OFF)
    endif(STRICT_PACKAGE)
  endif(NOT LIBRGW)
endif(USE_FSAL_RGW)