From c50367daa2f672ea696e6b68606cf39cf2e38d5f Mon Sep 17 00:00:00 2001
From: Todd Lyons <tlyons@exim.org>
Date: Mon, 3 Nov 2014 13:18:58 -0800
Subject: [PATCH] Fix uninitialized perl variable error output

---
 run_build.pl | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/run_build.pl b/run_build.pl
index 9e68d8d..40a63d6 100755
--- a/run_build.pl
+++ b/run_build.pl
@@ -562,8 +562,10 @@ elsif (!$from_source)
     $last_success_snap = find_last('success.snap');
     $forcerun = 1 unless (defined($last_run_snap));
 
-    # If config file changed, force a rebuild
-    ($current_config) = (stat $orig_dir.'/'.$buildconf)[9];
+    # If config file changed, force a rebuild.  This assumes that the config
+    # file is in the CWD, which may not always be true, so handle it by
+    # adding 1 to the value of last_config, which will force the rebuild.
+    ($current_config) = (stat $orig_dir.'/'.$buildconf)[9] || ($last_config+1);
     if ($current_config > $last_config)
     {
       $last_status = 0;
-- 
2.30.2