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-rw-r--r--bitbake/lib/bb/siggen.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/bitbake/lib/bb/siggen.py b/bitbake/lib/bb/siggen.py
index 06a48f1765..1a84796759 100644
--- a/bitbake/lib/bb/siggen.py
+++ b/bitbake/lib/bb/siggen.py
@@ -74,6 +74,8 @@ class SignatureGeneratorBasic(SignatureGenerator):
74 lookupcache[dep] = var 74 lookupcache[dep] = var
75 if var: 75 if var:
76 data = data + var 76 data = data + var
77 if data is None:
78 bb.error("Task %s from %s seems to be empty?!" % (task, fn))
77 self.basehash[fn + "." + task] = hashlib.md5(data).hexdigest() 79 self.basehash[fn + "." + task] = hashlib.md5(data).hexdigest()
78 #bb.note("Hash for %s is %s" % (task, tashhash[task])) 80 #bb.note("Hash for %s is %s" % (task, tashhash[task]))
79 81