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