main.c:
    #define SDL_MAIN_HANDLED
    #include <SDL2/SDL.h>

    int main(int argc, char *argv[])
    {...}


MakeFile:
    build:
        gcc C:/path/to/in.c \
        -o C:/path/to/out.exe \
        -I"C:\DEV\C\libs\SDL\SDL2\LibraryCode\SDL2-2.28.1\i686-w64-mingw32\include" \
        -L"C:\DEV\C\libs\SDL\SDL2\LibraryCode\SDL2-2.28.1\i686-w64-mingw32\lib" \
        -L"C:\DEV\C\libs\SDL\SDL_mixer\LibraryCode\SDL2_mixer-2.6.3\i686-w64-mingw32\lib" \
        -lSDL2 \
        -lSDL2.dll \
        -lSDL2main \
        -llibSDL2_mixer \
        -llibSDL2_mixer.dll

// includes of sub-SDL2 libs must be copied to the main SDL2 include folder