anchor.diff:      platforms = platforms.linux;
     };
   }
  -
  
positive.code:   doCheck = true;
  
    configureFlags = [
      "--with-libint-max-am=6"
      "--with-libderiv-max-am1=5"
    ];
  
    meta = with stdenv.lib; {
  
negative.code: { stdenv, fetchurl, autoreconfHook
  , doxygen, texlive, python, perl, gmpxx, mpfr, boost
  , maxAm ? 6
  } :
  assert
    stdenv.lib.asserts.assertMsg
    (maxAm <= 7 && maxAm >= 1)
    "The maximum angular momentum must be in the interval between 1 and 7";
  
  let
    version = "1.1.5";
  