This should be closed, as it does not appear to be a bug. The path in the submitters mail refers to file below gtkmm-2.0, not 2.4.
More importantly, the NEWS entry for gtkmm 2.3.5 explicitly mentions: - Toolbar - Added append(), prepend(), insert() overloads which take slots, so that signal connecting requires less code. - Removed old STL-style API, because the APIs do not co-exist well together at the GTK+ level. (Bryan Forbes) "STL-style" includes the tools() member. Current online documentation at gtkmm.org for versions above 2.4 does not list the tools() member. Probably the submitter accessed outdated docs. Regards, Oskar -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]