anchor.diff: -{ stdenv, fetchurl, pkgconfig, gtk2, freeglut, SDL, libGLU_combined, libXi, libXmu}:
  +{ stdenv, fetchurl, pkgconfig, gtk2, freeglut, SDL, SDL_mixer, libGLU_combined, libXi, libXmu }:
   
   stdenv.mkDerivation {
     name = "crack-attack-1.1.14";
  
positive.code:     platforms = stdenv.lib.platforms.linux;
      maintainers = [ stdenv.lib.maintainers.piotr ];
    };
  
    patches = [
      ./crack-attack-1.1.14-gcc43.patch
      ./crack-attack-1.1.14-glut.patch
    ];
  }
  
negative.code:     sha256 = "1sakj9a2q05brpd7lkqxi8q30bccycdzd96ns00s6jbxrzjlijkm";
    };
  
    patches = [
      ./crack-attack-1.1.14-gcc43.patch
      ./crack-attack-1.1.14-glut.patch
    ];
  
    configureFlags = [ "--enable-sound=yes" ];
  
    nativeBuildInputs = [ pkgconfig ];
    buildInputs = [ gtk2 freeglut SDL SDL_mixer libGLU_combined libXi libXmu ];
  
    hardeningDisable = [ "format" ];
    enableParallelBuilding = true;
  
    meta = {
      description = "A fast-paced puzzle game inspired by the classic Super NES title Tetris Attack!";
  