#ifndef FREECAD_SIGNALS2_HPP_WORKAROUND #define FREECAD_SIGNALS2_HPP_WORKAROUND // Workaround for boost >= 1.74 #define BOOST_ALLOW_DEPRECATED_HEADERS #include #undef BOOST_ALLOW_DEPRECATED_HEADERS #endif // #ifndef FREECAD_SIGNALS2_HPP_WORKAROUND