patrick@rothera:~/devel/packs/kit/test$ cmake -DCMAKE_INSTALL_PREFIX=/usr
CMake Error: The source directory "/home/patrick/devel/packs/kit/test" does not appear to contain CMakeLists.txt.
Specify --help for usage, or press the help button on the CMake GUI.
patrick@rothera:~/devel/packs/kit/test$