This file doesn't need to be created initially, as it will be done automatically during the build, but it does need to be updated whenever setup0.h changes, so explain this in both the README-GIT.md file and the main build instructions. Closes #18699.
This is wxWidgets for Windows (wxMSW) ------------------------------------- For information on installing wxWidgets, please see install.md. For further information, please see docs/html/index.htm and the wxWidgets reference manual.