anchor.diff:      license     = licenses.lgpl21;
       platforms   = platforms.linux;
       maintainers = with maintainers; [ thoughtpolice ];
  -    badPlatforms = [ "aarch64-linux" ];
     };
   }
  
positive.code: 
  stdenv.mkDerivation rec {
    name = "liburing-${version}";
    version = "1.0.0pre92_${builtins.substring 0 7 src.rev}";
  
    src = fetchgit {
      url    = "http://git.kernel.dk/liburing";
      rev    = "7b989f34191302011b5b49bf5b26b36862d54056";
      sha256 = "12kfqvwzxksmsm8667a1g4vxr6xsaq63cz9wrfhwq6hrsv3ynydc";
    };
  
    enableParallelBuilding = true;
  
negative.code:   postInstall = ''
      mkdir -p $out/bin
      cp ./examples/io_uring-cp examples/io_uring-test $out/bin
      cp ./examples/link-cp $out/bin/io_uring-link-cp
    '';
  
    meta = with stdenv.lib; {
  