Unable to build prerequisite module: Glib (1.160) Unable to build prerequisite module: Gtk2 (0) Unable to build prerequisite module: Gnome2 (1.042) Unable to build prerequisite module: ExtUtils-PkgConfig (0) Unable to build prerequisite module: Gnome2-GConf (1.044) Gnome2-PanelApplet could not be built due to the above failed prerequisites.