cmake HAVE_LIBREADLINE examples

vectorgraphics/asymptote cmake-scripts/external-libs.cmake :85 

list(APPEND ASY_MACROS HAVE_LIBREADLINE)

vectorgraphics/asymptote cmake-scripts/external-libs.cmake :101 

list(APPEND ASY_MACROS HAVE_LIBREADLINE)

Kitware/VTK ThirdParty/libxml2/vtklibxml2/CMakeLists.txt :189 

check_library_exists(readline readline "" HAVE_LIBREADLINE)