1 files changed, 9 insertions, 1 deletions
diff --git a/includes/module.inc b/includes/module.inc
index 835d77db5..448ff56b9 100644
--- a/includes/module.inc
+++ b/includes/module.inc
@@ -492,5 +492,13 @@ function module_invoke_all() {
  * Array of modules required by core.
  */
 function drupal_required_modules() {
-  return array('block', 'filter', 'node', 'system', 'user');
+  $files = drupal_system_listing('/\.info$/', 'modules', 'name', 0);
+  $required = array();
+  foreach ($files as $name => $file) {
+    $info = drupal_parse_info_file($file->filename);
+    if (!empty($info) && !empty($info['required']) && $info['required']) {
+      $required[] = $name;
+    }
+  }
+  return $required;
 }