From: Richard Purdie <rpurdie@linux.intel.com>
Date: Tue, 2 Nov 2010 13:17:06 +0000 (+0000)
Subject: bitbake/siggen: Provide better warnings about empty tasks
X-Git-Tag: 2011-1~4143
X-Git-Url: https://code.ossystems.io/gitweb?a=commitdiff_plain;h=88f6f3fadf16d957bc24f5a3af4c4c67017353ad;p=openembedded-core.git

bitbake/siggen: Provide better warnings about empty tasks

Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---

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):
                     lookupcache[dep] = var
                 if var:
                     data = data + var
+            if data is None:
+                bb.error("Task %s from %s seems to be empty?!" % (task, fn))
             self.basehash[fn + "." + task] = hashlib.md5(data).hexdigest()
             #bb.note("Hash for %s is %s" % (task, tashhash[task]))