Shmuel Zeigerman wrote: > It successfully builds a 64 bit DLL with MinGW64. But the DLL does > not work (crashes) when the script require()'s binary modules. Is it > supposed to work? (I'm asking because the "Installation" page still > does not list MinGW as a supported compiler for x64). It's not supported and not supposed to work. GCC doesn't implement the native Windows/x64 exception handling model, yet. But there's hope to see it in GCC 4.8, maybe even backported to GCC 4.7: http://gcc.gnu.org/ml/gcc-patches/2012-06/threads.html#01162 --Mike