AC_CHECK_LIB(readline, readline, [readline_lib=yes], [readline_lib=no], "-ltermcap")
if test "$readline_h" = no -o "$readline_lib" = no; then
if test "$READLINE" = "-lreadline -ltermcap"; then
AC_CHECK_LIB(readline, readline, [readline_lib=yes], [readline_lib=no], "-ltermcap")
if test "$readline_h" = no -o "$readline_lib" = no; then
if test "$READLINE" = "-lreadline -ltermcap"; then