I'm trying to compile a piece of software called Bagel (a quantum chemistry program) written in C++ and which uses Boost. I get a compilation error, and as I don't know C++ and I've never used boost I'm essentially lost. The author of the program says the problem I'm experiences depends on my boost installation and not on the program itself. I installed boost 1.73.0 (Linux Mint 20, g++ 9.3.0) doing: sudo ./bootstrap.sh --prefix=/usr/local sudo ./b2 install When compiling the program I get the following error: /usr/local/include/boost/serialization/access.hpp:119:11: error: 'class std::unordered_set' has no member named 'serialize' 119 | t.serialize(ar, file_version); | ~~^~~~~~~~~ /usr/local/include/boost/serialization/access.hpp: In instantiation of 'static void boost::serialization::access::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::binary_oarchive; T = std::unordered_set]': /usr/local/include/boost/serialization/serialization.hpp:69:22: required from 'void boost::serialization::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::binary_oarchive; T = std::unordered_set]' /usr/local/include/boost/serialization/serialization.hpp:128:18: required from 'void boost::serialization::serialize_adl(Archive&, T&, unsigned int) [with Archive = boost::archive::binary_oarchive; T = std::unordered_set]' /usr/local/include/boost/archive/detail/oserializer.hpp:148:40: required from 'void boost::archive::detail::oserializer::save_object_data(boost::archive::detail::basic_oarchive&, const void*) const [with Archive = boost::archive::binary_oarchive; T = std::unordered_set]' /usr/local/include/boost/archive/detail/oserializer.hpp:101:1: required from 'class boost::archive::detail::oserializer' /usr/local/include/boost/archive/detail/oserializer.hpp:253:13: required from 'static void boost::archive::detail::save_non_pointer_type::save_standard::invoke(Archive&, const T&) [with T = std::unordered_set; Archive = boost::archive::binary_oarchive]' /usr/local/include/boost/archive/detail/oserializer.hpp:308:22: [ skipping 21 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ] ... The following post https://lists.boost.org/boost-users//2014/03/81583.php [1] report on a similar error, but I couldn't understand what I should to solve it. Any advice would be appreciated! Con Tiscali Mobile Smart 30 4G hai minuti illimitati, 100 SMS e 30 Giga in 4G a soli 8,99€ al mese. http://tisca.li/smart30