First sentence on msys2 website (my emphasis):
MSYS2 is a collection of tools and libraries providing you with an easy-to-use environment for building, installing and running __native Windows software__.
Also google found https://github.com/msys2/MINGW-packages/issues/6929#issuecomment-1204687234
So I don't like your chances, if it was as easy as a recompile somebody would have done it by now, lots of things would use it, not just Geany.