CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY CMAKE_INSTALL_DATAROOTDIR CMAKE_INSTALL_LIBEXECDIR CMAKE_INSTALL_OLDINCLUDEDIR CMAKE_INSTALL_SBINDIR /Users/jenkins/w/cci_PR-4017/.conan/data/mailio/0.20.0/_/_/build/0511d2ca234e1aa87b907ce017f5d39fb80efb82/source_subfolder/src/mime.cpp:820:17: warning: enumeration value 'END' not handled in switch [-Wswitch] switch (state) ^ /Users/jenkins/w/cci_PR-4017/.conan/data/mailio/0.20.0/_/_/build/0511d2ca234e1aa87b907ce017f5d39fb80efb82/source_subfolder/src/mime.cpp:820:17: note: add missing switch cases switch (state) ^ 1 warning generated. make: *** [install] Terminated: 15 ERROR: mailio/0.20.0: Error in package() method, line 72 cmake.install() ConanException: Error 2 while executing cmake --build '/Users/jenkins/w/cci_PR-4017/.conan/data/mailio/0.20.0/_/_/build/0511d2ca234e1aa87b907ce017f5d39fb80efb82/build_subfolder' '--target' 'install' '--' '-j8'