From e75aa94e9477933c5a40021b2a8e844db54f29da Mon Sep 17 00:00:00 2001
From: Chris Larson <chris_larson@mentor.com>
Date: Fri, 26 Nov 2010 14:11:06 -0700
Subject: [PATCH] vercmp: don't choke on empty first version components

Signed-off-by: Chris Larson <chris_larson@mentor.com>
---
 lib/bb/utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/bb/utils.py b/lib/bb/utils.py
index 19ca45d809d..993f167e781 100644
--- a/lib/bb/utils.py
+++ b/lib/bb/utils.py
@@ -93,7 +93,7 @@ def vercmp(ta, tb):
     (ea, va, ra) = ta
     (eb, vb, rb) = tb
 
-    r = int(ea)-int(eb)
+    r = int(ea or 0) - int(eb or 0)
     if (r == 0):
         r = vercmp_part(va, vb)
     if (r == 0):
-- 
2.47.3