anchor.diff:      };
   in {
     wt3 = generic {
  -    version = "3.4.0";
  -    sha256 = "0y0b2h9jf5cg1gdh48dj32pj5nsvipab1cgygncxf98c46ikhysg";
  +    version = "3.4.1";
  +    sha256 = "1bsx7hmy6g2x9p3vl5xw9lv1xk891pnvs93a87s15g257gznkjmj";
     };
   
     wt4 = generic {
  
positive.code:         "-DWT_CPP_11_MODE=-std=c++11"
          "-DGM_PREFIX=${graphicsmagick}"
          "-DMYSQL_PREFIX=${mysql.connector-c}"
          "--no-warn-unused-cli"
        ];
  
  
negative.code: { stdenv, fetchFromGitHub, cmake, boost, pkgconfig, doxygen, qt48Full, libharu
  , pango, fcgi, firebird, mysql, postgresql, graphicsmagick, glew, openssl
  , pcre, harfbuzz
  }:
  
  let
  