[tools] fix bug.

q1315150719 · Nov 23, 2018 · 3c9f58a · 3c9f58a
1 parent 8206a5d
commit 3c9f58a
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/tools/utils.py b/tools/utils.py
@@ -245,7 +245,9 @@ def ProjectInfo(env):
     return proj
 
 def VersionCmp(ver1, ver2):
-    la = ver1.split('.')
+    la=[];
+    if ver1:
+        la = ver1.split('.')
     lb = ver2.split('.')
     f = 0
     if len(la) > len(lb):