id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc 12685,boost::iostream library does not correctly mark exported symbols as visible on macOS as BOOST_IOSTREAMS_DECL is not defined,vishalshetye@…,Jonathan Turkanis,"if iostream library is compiled with gcc visibility support on macOS the symbols are not correctly exported. The symbols to be exported are marked with BOOST_IOSTREAMS_DECL. However, BOOST_IOSTREAMS_DECL is not defined for non Windows platforms. ",Bugs,new,To Be Determined,iostreams,Boost 1.61.0,Problem,,,