--- a/greyhound.php	Wed Aug 06 01:06:42 2008 -0400
+++ b/greyhound.php	Fri Aug 15 23:29:37 2008 -0400
@@ -95,6 +95,18 @@
   exit(0);
 }
 
+status('doing PHP capabilities check');
+if ( !function_exists('pcntl_signal') )
+{
+  warning('System does not support POSIX functions. Termination signals will result in unclean shutdown.');
+}
+
+if ( !function_exists('simplexml_load_file') )
+{
+  warning('Can\'t find support for SimpleXML, which is needed to parse the Amarok playlist file.');
+  burnout('SimpleXML required to continue. You may have an outdated version of PHP; most versions of PHP 5 have SimpleXML built-in. Check your distribution\'s documentation to find out how to enable PHP\'s SimpleXML support.');
+}
+
 status('initializing playlist');
 
 // init playlist object
@@ -108,11 +120,6 @@
 try
 {
   status('starting PhpHttpd');
-  status('doing PHP capabilities check');
-  if ( !function_exists('pcntl_signal') )
-  {
-    warning('System does not support POSIX functions. Termination signals will result in unclean shutdown.');
-  }
   $httpd = new WebServer($ip, $port);
   
   // setup handlers