anchor.diff:  let
   
     mainCfg = config.services.httpd;
  +
  +  runtimeDir = "/run/httpd";
   
     httpd = mainCfg.package.out;
   
  
positive.code: 
  
    sslConf = ''
      SSLSessionCache shmcb:${mainCfg.stateDir}/ssl_scache(512000)
  
      Mutex posixsem
  
  
negative.code: 
      ServerRoot ${httpd}
  
      DefaultRuntimeDir ${runtimeDir}/runtime
  
      PidFile ${runtimeDir}/httpd.pid
  
      ${optionalString (mainCfg.multiProcessingModule != "prefork") ''
        # mod_cgid requires this.
        ScriptSock ${runtimeDir}/cgisock
      ''}
  
      <IfModule prefork.c>
  