anchor.diff:    checkTarget = "test";
   
     meta = with lib; {
  -    broken = stdenv.isDarwin;
       homepage = "https://repo.or.cz/tinycc.git";
       description = "Small, fast, and embeddable C compiler and interpreter";
       longDescription = ''
  
positive.code:     license = licenses.lgpl21Only;
      maintainers = with maintainers; [ joachifm AndersonTorres ];
      platforms = platforms.unix;
    };
  }
  # TODO: more multiple outputs
  # TODO: self-compilation
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "tcc";
    version = "unstable-2022-07-15";
  
    src = fetchFromRepoOrCz {
      repo = "tinycc";
      rev = "af1abf1f45d45b34f0b02437f559f4dfdba7d23c";
      hash = "sha256-jY0P2GErmo//YBaz6u4/jj/voOE3C2JaIDRmo0orXN8=";
    };
  
    nativeBuildInputs = [
  