1 files changed, 5 insertions, 0 deletions

diff --git a/bitbake/lib/bb/parse/__init__.py b/bitbake/lib/bb/parse/__init__.py
index 2303f15b9e..25effc2200 100644
--- a/bitbake/lib/bb/parse/__init__.py
+++ b/bitbake/lib/bb/parse/__init__.py
@@ -73,6 +73,11 @@ def update_mtime(f):
     __mtime_cache[f] = os.stat(f)[stat.ST_MTIME]
     return __mtime_cache[f]
 
+def update_cache(f):
+    if f in __mtime_cache:
+        logger.debug(1, "Updating mtime cache for %s" % f)
+        update_mtime(f)
+
 def mark_dependency(d, f):
     if f.startswith('./'):
         f = "%s/%s" % (os.getcwd(), f[2:])