id summary reporter owner description type status milestone component version severity resolution keywords cc 3802 link error happens to demo_portable_archive anonymous Robert Ramey "I download boost 1.41.0 src to Debian sid. After compiling and installing the library successfully, I tried to build the demo_portable_binary which locates libs/serialization/example. compilation is ok, but I'm unable to link it. link cmd: g++ -o /tmp/demo_portable_archive /tmp/portable_binary_*.o /tmp/demo_portable_archive.o -lboost_serialization -L/usr/local/lib Here is the error msg: demo_portable_archive.cpp:(.text._ZNK5boost7archive6detail15common_iarchiveI24portable_binary_iarchiveE4findERKNS_13serialization18extended_type_infoE[boost::archive::detail::common_iarchive::find(boost::serialization::extended_type_info const&) const]+0xd): undefined reference to `boost::archive::detail::archive_serializer_map::find(boost::serialization::extended_type_info const&)' collect2: ld returned 1 exit status " Bugs closed Boost 1.42.0 serialization Boost 1.41.0 Problem fixed