CMake Warning:
  Manually-specified variables were not used by the project:

    BUILD_TESTING
    CMAKE_C_FLAGS
    CMAKE_LD_FLAGS
    KDE_INSTALL_LIBDIR
    KDE_INSTALL_LIBEXECDIR
    KDE_INSTALL_PLUGINDIR
    KDE_INSTALL_QMLDIR
    KDE_INSTALL_SYSCONFDIR