id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
10911	boost/iostreams/filter/zlib.hpp gives C4275 warning with visual studio	Joseph Southwell <joseph@…>	Jonathan Turkanis	"please change the line

{{{
# pragma warning(disable:4251 4231 4660)         // Dependencies not exported.
}}}

to 

{{{
# pragma warning(disable:4251 4231 4660 4275)         // Dependencies not exported.
}}}

This will fix...

{{{
1>c:\development\boost_1_56_0\boost\iostreams\filter\zlib.hpp(138): warning C4275: non dll-interface class 'std::ios_base::failure' used as base for dll-interface class 'boost::iostreams::zlib_error'
1>          c:\program files (x86)\microsoft visual studio 12.0\vc\include\xiosbase(221) : see declaration of 'std::ios_base::failure'
1>          c:\development\boost_1_56_0\boost\iostreams\filter\zlib.hpp(138) : see declaration of 'boost::iostreams::zlib_error'
}}}"	Bugs	new	To Be Determined	iostreams	Boost 1.57.0	Cosmetic