bitbake/codeparser: Correctly handle a missing/empty cache file

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 5 insertions, 2 deletions

diff --git a/bitbake/lib/bb/codeparser.py b/bitbake/lib/bb/codeparser.py
index fdba06f678..f4482a46b8 100644
--- a/bitbake/lib/bb/codeparser.py
+++ b/bitbake/lib/bb/codeparser.py
@@ -72,8 +72,11 @@ def parser_cache_save(d):
 
     lf = bb.utils.lockfile(cachefile + ".lock")
 
-    p = pickle.Unpickler(file(cachefile, "rb"))
-    data, version = p.load()
+    try:
+        p = pickle.Unpickler(file(cachefile, "rb"))
+        data, version = p.load()
+    except IOError:
+        data, version = None, None
 
     if version == PARSERCACHE_VERSION:
         for h in data[0]: