00001 // (C) Copyright John Maddock 2003. 00002 // Use, modification and distribution are subject to the 00003 // Boost Software License, Version 1.0. (See accompanying file 00004 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 00005 00006 // 00007 // Boost binaries are built with the compiler's default ABI settings, 00008 // if the user changes their default alignment in the VS IDE then their 00009 // code will no longer be binary compatible with the bjam built binaries 00010 // unless this header is included to force Boost code into a consistent ABI. 00011 // 00012 // Note that inclusion of this header is only necessary for libraries with 00013 // separate source, header only libraries DO NOT need this as long as all 00014 // translation units are built with the same options. 00015 // 00016 #if defined(_M_X64) 00017 # pragma pack(push,16) 00018 #else 00019 # pragma pack(push,8) 00020 #endif 00021 00022