I see msys2 has [Package: mingw-w64-x86_64-ogre3d - MSYS2 Packages](https://packages.msys2.org/packages/mingw-w64-x86_64-ogre3d?repo=mingw64) It also has wxWidgets: [Base Package: mingw-w64-wxwidgets3.2 - MSYS2 Packages](https://packages.msys2.org/base/mingw-w64-wxwidgets3.2) So, hopefully it can use those prebuild libraries to build under msys2.