Readline fixed

readline-fixed.txt

if(USE_READLINE)
  find_package(Readline)
  if(READLINE_FOUND AND GNU_READLINE_FOUND)
    add_definitions(-DHAVE_READLINE)
    include_directories(${Readline_INCLUDE_DIR})
    message(STATUS "Found readline library at: ${Readline_ROOT_DIR}")
  elseif (NOT READLINE_FOUND AND MINGW)
    # Due to a problem in the package searching process for MinGW, some include paths
    # are not found but library paths are.
    if (BUILD_64)
      set(Readline_ROOT_DIR /mingw64)
    else()
      set(Readline_ROOT_DIR /mingw32)
    endif()
    set(Readline_INCLUDE_DIR ${Readline_ROOT_DIR}/include)
    message(WARNING "Readline was not found by automatic MinGW search so using default root directory: ${Readline_ROOT_DIR} and include directory ${Readline_INCLUDE_DIR}")
  else()
    message(STATUS "Could not find GNU readline library so building without readline support")
  endif()
endif()