Hi, While trying to compile jack-rack on a fresh Debian 'etch' installation, I ran into this problem: jack_rack-ui.o: In function `ui_init_gui': /usr/local/src/jack-rack-1.4.7/src/ui.c:249: undefined reference to `gtk_tool_item_set_tooltip_text' I eventually realised that this function isn't implemented in the libgtk2.0-dev package in this Debian release (GTK+ v2.8.20). The offending changes in CVS are here: http://jack-rack.cvs.sourceforge.net/jack-rack/jack-rack/src/ui.c?r1=1.27&a… The revision log shows that this change was introduced 1.4.7, and 1.4.6 builds fine, as expected. jack-rack's 'configure' script only checks for GTK+ >= 2.0.0. According to the documentation, the missing function didn't exist until 2.12: http://library.gnome.org/devel/gtk/stable/GtkToolItem.html#gtk-tool-item-se… Debian packages jack-rack anyway, and anyone compiling latest jack-rack from source shouldn't mind installing newer GTK libs. But I thought I'd mention it in case anyone else runs into this problem. I imagine 'configure.ac' ought to be updated to reflect the dependency on GTK+ >= 2.12.0 instead of 2.0.0 as previously. Regards, -- Steven Chamberlain steven(a)pyro.eu.org