https://gcc.gnu.org/bugzilla/show_bug.cgi?id=50229
--- Comment #22 from Francois-Xavier Coudert <fxcoudert at gcc dot gnu.org> --- (In reply to Iain Sandoe from comment #21) > in short (2) is very definitely "works for me" For me too: I regularly build darwin-to-mingw-w64 cross compilers, with no problem at all. But there were, apparently, problems with Canadian crosses (comments by Ray Donnelly).