Index: libraries.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/libraries/libraries.module,v
retrieving revision 1.6
diff -u -p -r1.6 libraries.module
--- libraries.module	23 Jul 2010 12:57:01 -0000	1.6
+++ libraries.module	12 Aug 2010 17:05:51 -0000
@@ -208,7 +208,8 @@ function libraries_detect_library(&$libr
   if (!isset($library['library path'])) {
     $library['library path'] = libraries_get_path($name);
   }
-  if (!file_exists($library['library path'])) {
+  // Don't check locally for external libraries.
+  if (!file_exists($library['library path']) && $library['external'] !== TRUE) {
     $library['error'] = t('%library could not be found.', array('%library' => $library['title']));
     return;
   }
@@ -291,7 +292,9 @@ function libraries_detect_library(&$libr
 function libraries_load($library, $variant = NULL) {
   $library = libraries_info($library);
   libraries_detect_library($library);
-  libraries_load_files($library, $variant);
+  if ($library['installed'] == TRUE) {
+    libraries_load_files($library, $variant);
+  }
 }
 
 /**