--- configure.orig 2019-10-04 16:41:31.000000000 -0500 +++ configure 2019-11-07 15:30:21.000000000 -0600 @@ -1377,7 +1377,7 @@ ;; --with-sdlnet-prefix=*) arg=`echo $ac_option | cut -d '=' -f 2` - SDL_NET_CFLAGS="-I$arg/include" + SDL_NET_CFLAGS="-I$arg/include/SDL2" SDL_NET_LIBS="-L$arg/lib" ;; --with-iconv-prefix=*)