On 31 Dec 2020, at 21:17, Helge Kruse <Helge.Kruse@gmx.net> wrote:[..]The offset should be 4, 8, 10, 14, what can be verified with a normalGCC build. The MX compiler for i686 and x86_64 uses offsets of 4, 8, 12,16. i.e. it doesn't pack the structure.$ $HOME/mxe-git/usr/bin/x86_64-w64-mingw32.static.posix-gcc --versionx86_64-w64-mingw32.static.posix-gcc (GCC) 5.5.0How should that be fixed?