Hello Szymon and thanks. That, of course, hits the nail right on the head. The macro was defined out-of-view in the properties editor! From: Boost-users [mailto:boost-users-bounces@lists.boost.org] On Behalf Of Szymon Gatner Sent: 21 May 2014 16:52 To: boost-users Subject: Re: [Boost-users] Sanity check please?: Boost 1_55_0 and building VS2012 static libs? Most likely you main project has _SECURE_SCL=0 defined but BOOST was build without it. Use it when building BOOSt with b2 2014-05-21 16:51 GMT+02:00 <g4@novadsp.com>: Revisiting Boost after a long absence. Any thoughts on the following problem(s)? W7x64 with VS2008,2010,2012 and 2013 installed. VS2012 preferred for regular use. Built with boostrap and b2 b2 -link=static -runtime-link=static -toolset=msvc-11.0. I compile a debug test app with /MTd and attempt to link with libboost_system-vc110-mt-gd-1_55.lib which is the only library close to matching the ABI tag specified here : http://www.boost.org/doc/libs/1_55_0/more/getting_started/windows.html#id46 Ensuing link errors are: 1>libboost_system-vc110-mt-gd-1_55.lib(error_code.obj) : error LNK2038: mismatch detected for '_ITERATOR_DEBUG_LEVEL': value '2' doesn't match value '0' in tcpproxy_server.obj 1>libboost_system-vc110-mt-gd-1_55.lib(error_code.obj) : error LNK2038: mismatch detected for 'RuntimeLibrary': value 'MDd_DynamicDebug' doesn't match value 'MT_StaticRelease' in tcpproxy_server.obj 1>LINK : warning LNK4098: defaultlib 'MSVCRTD' conflicts with use of other libs; use /NODEFAULTLIB:library Many thanks. _______________________________________________ Boost-users mailing list Boost-users@lists.boost.org http://lists.boost.org/mailman/listinfo.cgi/boost-users -- Szymon Gatner Bravasoft / The Lordz Games Studio Twitter: @sgatner