1 files changed, 8 insertions, 0 deletions
diff --git a/modules/slideshow/helpers/slideshow_installer.php b/modules/slideshow/helpers/slideshow_installer.php
index 03f3332c..319e2e79 100644
--- a/modules/slideshow/helpers/slideshow_installer.php
+++ b/modules/slideshow/helpers/slideshow_installer.php
@@ -33,4 +33,12 @@ class slideshow_installer {
   static function deactivate() {
     site_status::clear("slideshow_needs_rss");
   }
+
+  static function check_environment() {
+    $messages = array();
+    if (!module::is_active("rss")) {
+      $messages["warn"][] = t("The Slideshow module requires the RSS module.");
+    }
+    return $messages;
+  }
 }