Cmake installs nothing
amarok@atlas ~/Projects/jami/client-qt/daemon/build ➦ fa1a8d811 cmake --install . --prefix foo
-- Install configuration: "Debug"
amarok@atlas ~/Projects/jami/client-qt/daemon/build ➦ fa1a8d811 ls foo
amarok@atlas ~/Projects/jami/client-qt/daemon/build ➦ fa1a8d811 cmake --install . --prefix foo
-- Install configuration: "Debug"
amarok@atlas ~/Projects/jami/client-qt/daemon/build ➦ fa1a8d811 ls foo