message: Add NEBULA_READLINE_ROOT in CMakeList.txt
diff: @@ -80,11 +80,18 @@ if(NOT ${NEBULA_BOOST_ROOT} STREQUAL "")
  list(APPEND CMAKE_LIBRARY_PATH ${NEBULA_BOOST_ROOT}/lib)
  endif()
  +if(NOT ${NEBULA_READLINE_ROOT} STREQUAL "")
  + message(STATUS "Specified NEBULA_READLINE_ROOT: " ${NEBULA_READLINE_ROOT})
  + list(APPEND CMAKE_INCLUDE_PATH ${NEBULA_READLINE_ROOT}/include)
  + list(APPEND CMAKE_LIBRARY_PATH ${NEBULA_READLINE_ROOT}/lib)
  +endif()
  +
  if(NOT ${NEBULA_GPERF_BIN_DIR} STREQUAL "")
  message(STATUS "Specified NEBULA_GPERF_BIN_DIR: " ${NEBULA_GPERF_BIN_DIR})
  list(APPEND CMAKE_PROGRAM_PATH ${NEBULA_GPERF_BIN_DIR})
  endif()
  +
  message(STATUS "CMAKE_INCLUDE_PATH: " ${CMAKE_INCLUDE_PATH})
  message(STATUS "CMAKE_LIBRARY_PATH: " ${CMAKE_LIBRARY_PATH})
  message(STATUS "CMAKE_PROGRAM_PATH: " ${CMAKE_PROGRAM_PATH})
  