anchor.diff:  };
   
   common = rec { # attributes common to both builds
  -  version = "10.3.18";
  +  version = "10.3.20";
   
     src = fetchurl {
       urls = [
         "https://downloads.mariadb.org/f/mariadb-${version}/source/mariadb-${version}.tar.gz"
         "https://downloads.mariadb.com/MariaDB/mariadb-${version}/source/mariadb-${version}.tar.gz"
       ];
  -    sha256 = "1p6yvmahnkmsz50zjzp20ak7jzbqysly5bdl51nnrngrbfl6qib9";
  +    sha256 = "14n4zfpwhvafz02r95bidmkwq2bz9jj3safqni1h21jfd0nqz0ak";
       name   = "mariadb-${version}.tar.gz";
     };
   
  
positive.code: , libiconv, openssl, pcre, boost, judy, bison, libxml2, libkrb5, linux-pam, curl
  , libaio, libevent, jemalloc, cracklib, systemd, numactl, perl
  , fixDarwinDylibNames, cctools, CoreServices
  , asio, buildEnv, check, scons
  , less, fetchpatch
  , withoutClient ? false
  }:
  
  
negative.code:   patches = [
      ./cmake-includedir.patch
      ./cmake-libmariadb-includedir.patch
    ];
  
    cmakeFlags = [
      "-DBUILD_CONFIG=mysql_release"
  