anchor.diff:          "-DWT_WRASTERIMAGE_IMPLEMENTATION=GraphicsMagick"
           "-DGM_PREFIX=${graphicsmagick}"
         ]
  -      ++ lib.optional (harfbuzz != null)
  -        "-DHARFBUZZ_INCLUDE_DIR=${harfbuzz.dev}/include"
         ++ lib.optional (libmysqlclient != null)
           "-DMYSQL_PREFIX=${libmysqlclient}";
   
  
positive.code:       buildInputs = [
          boost doxygen qt48Full libharu
          pango fcgi firebird libmysqlclient postgresql graphicsmagick glew
          openssl pcre
        ];
  
        cmakeFlags = [
  
negative.code:   };
  
    wt4 = generic {
      version = "4.5.0";
      sha256 = "16svzdma2mc2ggnpy5z7m1ggzhd5nrccmmj8xnc7bd1dd3486xwv";
    };
  }
  