I have just updated the mingw-w64 cross compilers Cygwin 32bit and 64bit to mingw64-{i686,x86_64}-gcc-5.4.0-3.
This version uses POSIX threads to support C++11 std::thread, as a consequence, require winpthreads. Unlike the Cygwin gcc, this version DOES NOT PRESERVER C++ ABI from gcc4. Please rebuild all your C++ libraries. ==== PLEASE RECOMPILE ALL YOUR C++ CODE FOR ABI COMPATIBILITY ==== The cross compiler can produce Win32 and Win64 native binaries. As a cross compiler, you may use --host=i686-w64-mingw32 or --host=x86_64-w64-mingw32 for autotools based source packages to build for Windows. *** CYGWIN-ANNOUNCE UNSUBSCRIBE INFO *** If you want to unsubscribe from the cygwin-announce mailing list, look at the "List-Unsubscribe: " tag in the email header of this message. Send email to the address specified there. It will be in the format: cygwin-announce-unsubscribe-you=yourdomain.com <at> cygwin.com If you need more information on unsubscribing, start reading here: http://sourceware.org/lists.html#unsubscribe-simple Please read *all* of the information on unsubscribing that is available starting at this URL.
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