Index: modules/user/user.admin.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/user/user.admin.inc,v
retrieving revision 1.54
diff -u -p -r1.54 user.admin.inc
--- modules/user/user.admin.inc	2 Jun 2009 06:58:17 -0000	1.54
+++ modules/user/user.admin.inc	3 Jun 2009 17:09:56 -0000
@@ -251,6 +251,26 @@ function user_admin_settings() {
     '#required' => TRUE,
   );
 
+  // Administrative role option.
+  $form['admin_role'] = array(
+    '#type' => 'fieldset',
+    '#title' => t ('Admin role'),
+  );
+
+  // Don't allow users to set the anonymous or authenticated user roles as the
+  // admin role.
+  $roles = user_roles();
+  $roles = array_slice($roles, 2, NULL, TRUE);
+  $roles[0] = t('disabled');
+
+  $form['admin_role']['user_admin_role'] = array(
+    '#type' => 'select',
+    '#title' => t('Admin role'),
+    '#default_value' => variable_get('user_admin_role', 0),
+    '#options' => $roles,
+    '#description' => t('This role will be automatically assigned new permissions whenever a module is enabled. Changing this setting will not affect existing permissions.'),
+  );
+
   // User registration settings.
   $form['registration_cancellation'] = array(
     '#type' => 'fieldset',
@@ -910,3 +930,24 @@ function theme_user_filters($form) {
 
   return $output;
 }
+
+/**
+ * Implementation of hook_modules_enabled().
+ */
+function user_modules_enabled($modules) {
+  // Assign all available permissions to the admin role.
+  $rid = variable_get('user_admin_role', 0);
+  if ($rid) {
+    foreach ($modules as $module) {
+      if ($permissions = module_invoke($module, 'perm')) {
+        foreach (array_keys($permissions) as $permission) {
+          db_insert('role_permission')
+            ->fields(array(
+              'rid' => $rid,
+               'permission' => $permission,
+            ))->execute();
+        }
+      }
+    }
+  }
+}
Index: profiles/default/default.profile
===================================================================
RCS file: /cvs/drupal/drupal/profiles/default/default.profile,v
retrieving revision 1.44
diff -u -p -r1.44 default.profile
--- profiles/default/default.profile	29 May 2009 21:39:17 -0000	1.44
+++ profiles/default/default.profile	3 Jun 2009 17:09:58 -0000
@@ -214,6 +214,25 @@ function default_profile_tasks(&$task, $
   ))->execute();
   db_insert('taxonomy_vocabulary_node_type')->fields(array('vid' => $vid, 'type' => 'article'))->execute();
 
+  // Create a default role for site administrators.
+  $rid = db_insert('role')->fields(array('name' => 'administrator'))->execute();
+
+  // Set this as the admin role.
+  variable_set('user_admin_role', $rid);
+
+  // Assign all available permissions to this role.
+  foreach (module_implements('perm') as $module) {
+    if ($permissions = module_invoke($module, 'perm')) {
+      foreach (array_keys($permissions) as $permission) {
+        db_insert('role_permission')
+          ->fields(array(
+            'rid' => $rid,
+             'permission' => $permission,
+          ))->execute();
+      }
+    }
+  }
+
   // Update the menu router information.
   menu_rebuild();