This is a highly reduced GCC+MinGW setup that's meant to pair with TinyCC. All libraries/headers/objects/etc were manually selected via the optimized-compilation of a basic software-rendered Windows program. The build process uses MSYS2 to get the latest versions of everything!
You can easily download it, uncompress with 7zip, and use it:
"TinyGW" is public domain, and nothing here is under any copyright. This is purely a redistribution!