id summary reporter owner description type status milestone component version severity resolution keywords cc 12556 member_value_traits.hpp has a missing #include gromer@… Ion Gaztañaga "`intrusive/member_value_traits.hpp` uses the `to_raw_pointer()` function, but does not `#include` the `detail/to_raw_pointer.hpp` header that defines it. Among other things, this prevents Boost.Intrusive from being built using C++ modules (see http://clang.llvm.org/docs/Modules.html), because modules require headers to be self-contained. A fix is attached (relative to 1.60.0)." Bugs closed To Be Determined intrusive Boost 1.60.0 Problem fixed