In case the correct solution to this simply is to install to /usr/share/cmake-2.6/Modules/ instead of /usr/share/cmake/Modules/ the fix is in the branch ~kvilhaugsvik/packagekit/ubuntu-packagekit
In case the correct solution to this simply is to install to /usr/share/ cmake-2. 6/Modules/ instead of /usr/share/ cmake/Modules/ the fix is in the branch ~kvilhaugsvik/ packagekit/ ubuntu- packagekit