id summary reporter owner description type status milestone component version severity resolution keywords cc 10021 Interprocess and BOOST_USE_WINDOWS_H Minmin Gong Ion Gaztañaga Unlike other libraries, Boost.Interprocess doesn't use BOOST_USE_WINDOWS_H for Windows APIs. Instead, it declares used Windows APIs in boost/interprocess/detail/win32_api.hpp. The incompatible declares make some troubles in Clang and MinGW. Why not just regard to BOOST_USE_WINDOWS_H? Bugs closed To Be Determined interprocess Boost 1.55.0 Problem fixed windows.h