anchor.diff:  
     libdbiDrivers = libdbiDriversFun {
       version = "0.8.2-1";
  -    mysql = mysql5;
  -    inherit sqlite;
  +    inherit sqlite mysql;
     } null;
   
   
  
positive.code:   # perhaps this can be done setting php_value in apache don't have time to investigate any further ?
    # This expression is a quick hack now. But perhaps it helps you adding the configuration flags you need?
    php = (import ../development/interpreters/php_configurable) {
     inherit mkDerivationByConfiguration stdenv;
     lib = lib_unstable;
     inherit fetchurl flex bison apacheHttpd; # gettext;
     mysql = mysql5;
     inherit libxml2;
    };
  
  
negative.code:     inherit fetchurl stdenv apacheHttpd python;
    };
  
    mysql4 = import ../servers/sql/mysql {
      inherit fetchurl stdenv ncurses zlib perl;
      ps = procps; /* !!! Linux only */
    };
  
    mysql = import ../servers/sql/mysql5 {
      inherit fetchurl stdenv ncurses zlib perl;
      ps = procps; /* !!! Linux only */
    };
  