add_subdirectory(foo) fails with an error if the foo subdir doesn't exist at all, but simply does nothing if the foo subdir exists and has no CMakeListst.txt Is this intentional? It seems a bit inconsistent. -- David Faure, faure at kde.org, sponsored by Trolltech to work on KDE, Konqueror (http://www.konqueror.org), and KOffice (http://www.koffice.org).