anchor.diff:      buildInputs = [ foundationdb ];
     };
   
  +  freetype-sys = attrs: {
  +    nativeBuildInputs = [ cmake ];
  +    buildInputs = [ freetype ];
  +  };
  +
  +  glib-sys = attrs: {
  +    nativeBuildInputs = [ pkg-config ];
  +    buildInputs = [ glib ];
  +  };
  +
     gobject-sys = attrs: {
       buildInputs = [ dbus-glib ];
     };
  
positive.code: , dbus-glib
  , gdk-pixbuf
  , cairo
  , python3
  , libsodium
  , postgresql
  
negative.code:   rink = attrs: {
      buildInputs = [ gmp ];
      crateBin = [{ name = "rink"; path = "src/bin/rink.rs"; }];
    };
  
    sdl2-sys = attr: {
      nativeBuildInputs = [ curl ];
    };
  
    security-framework-sys = attr: {
  