CMake Warning: Manually-specified variables were not used by the project: BUILD_TESTING CMAKE_CXX_FLAGS CMAKE_C_FLAGS CMAKE_LD_FLAGS ECM_MKSPECS_INSTALL_DIR KDE_INSTALL_LIBDIR KDE_INSTALL_LIBEXECDIR KDE_INSTALL_PLUGINDIR KDE_INSTALL_QMLDIR KDE_INSTALL_SYSCONFDIR KDE_INSTALL_USE_QT_SYS_PATHS QT_MAJOR_VERSION