dpkg-query: no packages found matching libgtk2.0-dev debconf: delaying package configuration, since apt-utils is not installed CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY CMAKE_INSTALL_BINDIR CMAKE_INSTALL_DATAROOTDIR CMAKE_INSTALL_INCLUDEDIR CMAKE_INSTALL_LIBDIR CMAKE_INSTALL_LIBEXECDIR CMAKE_INSTALL_OLDINCLUDEDIR CMAKE_INSTALL_SBINDIR USE_OWN_EIGEN CMake Warning: Manually-specified variables were not used by the project: BUILD_SHARED_LIBS CMAKE_EXPORT_NO_PACKAGE_REGISTRY ERROR: Error 429 downloading file https://downloads.sourceforge.net/project/aruco/3.1.12/aruco-3.1.12.zip?r=https%3A%2F%2Fsourceforge.net%2Fprojects%2Faruco%2Ffiles%2F3.1.12%2Faruco-3.1.12.zip%2Fdownload&ts=1604054853