From d4867346f578906751f8ea0bd799c3fc1bfcbf48 Mon Sep 17 00:00:00 2001
From: Dries Buytaert <dries@buytaert.net>
Date: Tue, 3 Feb 2009 12:30:14 +0000
Subject: - Patch #367380 by Moshe: make block module optional.

---
 includes/cache.inc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'includes')

diff --git a/includes/cache.inc b/includes/cache.inc
index a7ad16214..21f79ba6b 100644
--- a/includes/cache.inc
+++ b/includes/cache.inc
@@ -150,7 +150,9 @@ function cache_clear_all($cid = NULL, $table = NULL, $wildcard = FALSE) {
   if (!isset($cid) && !isset($table)) {
     // Clear the block cache first, so stale data will
     // not end up in the page cache.
-    cache_clear_all(NULL, 'cache_block');
+    if (module_exists('block')) {
+      cache_clear_all(NULL, 'cache_block');
+    }
     cache_clear_all(NULL, 'cache_page');
     return;
   }
-- 
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