luke@Merlin:/media/disk-1/Luke F/Advanced calc$ sudo apt-get dist-upgrade
Reading package lists... Done
Building dependency tree       
Reading state information... Done
You might want to run `apt-get -f install' to correct these.
The following packages have unmet dependencies:
  kde4base-dev: Depends: kde4base (= 3.91.0-0ubuntu3~feisty1) but 3.80.3-0ubuntu5 is installed
                Depends: kdepimlibs5-dev but it is not installed
  kdelibs5-dev: Depends: kdelibs5 (= 3.91.0-0ubuntu8~feisty1) but 3.80.3-0ubuntu4 is installed
E: Unmet dependencies. Try using -f.
luke@Merlin:/media/disk-1/Luke F/Advanced calc$