Windows:

Pre-requisites

1. Install https://www.msys2.org/
2. Install toolchain:

   pacman -S --needed base-devel mingw-w64-ucrt-x86_64-toolchain
   pacman -S mingw-w64-x86_64-cmake
   pacman -S git
   

3. Update path to include C:\msys64\ucrt\bin, C:\msys64\mingw64\bin, “C:\msys64\usr\bin.
4. Install libraries:

   pacman -S mingw-w64-x86_64-SDL2
   pacman -S mingw-w64-x86_64-SDL2_ttf
   pacman -S mingw-w64-x86_64-boost
   

Build

From cloned repo, run:

mkdir build
cd build
cmake .. -G "MinGW Makefiles"
mingw32-make

If successful, you have a runnable .exe.