anchor.diff:  { stdenv, fetchurl, readline}:
   
  +let
  +  dsoPatch = fetchurl {
  +    url = "https://projects.archlinux.org/svntogit/packages.git/plain/trunk/lua-arch.patch?h=packages/lua51";
  +    sha256 = "11fcyb4q55p4p7kdb8yp85xlw8imy14kzamp2khvcyxss4vw8ipw";
  +    name = "lua-arch.patch";
  +  };
  +in
   stdenv.mkDerivation rec {
     name = "lua-5.1.5";
   
  
positive.code: 
    buildInputs = [ readline ];
  
    configurePhase = "makeFlagsArray=( INSTALL_TOP=$out INSTALL_MAN=$out/share/man/man1 PLAT=linux )";
  
    meta = {
      homepage = "http://www.lua.org";
  
negative.code:     '';
      license = "MIT";
      platforms = stdenv.lib.platforms.unix;
      maintainers = [ stdenv.lib.maintainers.simons ];
    };
  }
  