Hi, I trying to build boost-1.55 using MinGW-W64 for x86_64 arch. boost.context library requires ml64.exe for building, but I can't find it. I have found ml.exe (it's for i686 arch) on MSDN site[1], but I can't find ml64.exe. The question is where can I get it? Thanks. [1] http://www.microsoft.com/en-us/download/details.aspx?id=12654 -- Regards, niXman ___________________________________________________ Dual-target(32 & 64-bit) MinGW-W64 compilers for 32 and 64-bit Windows: http://sourceforge.net/projects/mingw-w64/ ___________________________________________________ Another online IDE: http://liveworkspace.org/