{cabal} :

cabal.mkDerivation (self : {
  pname = "cpphs";
  version = "1.9";
  sha256 = "d93fab09e8bc10b54d483daf2b636ee07548c9f8fb60a900f1d665d568b7b9c8";
  meta = {
    description = "A liberalised re-implementation of cpp, the C pre-processor";
  };
})