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-rw-r--r--bitbake/lib/bb/cache.py5
1 files changed, 3 insertions, 2 deletions
diff --git a/bitbake/lib/bb/cache.py b/bitbake/lib/bb/cache.py
index 255c6168d..7ec55bc1b 100644
--- a/bitbake/lib/bb/cache.py
+++ b/bitbake/lib/bb/cache.py
@@ -118,7 +118,8 @@ class Cache:
self.cacheclean = False
result = bb.data.getVar(var, self.data, exp)
- self.depends_cache[fn][var] = result
+ if result is not None:
+ self.depends_cache[fn][var] = result
return result
def setData(self, virtualfn, fn, data):
@@ -219,7 +220,6 @@ class Cache:
virtuals += 1
return False, skipped, virtuals
-
def cacheValid(self, fn):
"""
Is the cache valid for fn?
@@ -346,6 +346,7 @@ class Cache:
p = pickle.Pickler(file(self.cachefile, "wb" ), -1 )
p.dump([cache_data, version_data])
+ del self.depends_cache
def mtime(self, cachefile):
return bb.parse.cached_mtime_noerror(cachefile)