On Monday 09 of August 2010 23:53:19 David Zeuthen wrote: > Build requirements > > glib, gobject, gio >= 2.25.11 Actually I think that at least version 2.25.12 is required. With 2.25.11 it throws: polkitbackendinteractiveauthority.c:307:45: error: ‘G_DBUS_SIGNAL_FLAGS_NONE’ undeclared This symbol is new between .11 and .12 Radek Novacek