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bitbake: siggen: add means of ignoring basehash mismatch 

If you run the setVariable command to set variables then you end up
causing the basehash to not match the previously computed values, which
triggers error messages. These mismatches are expected, so add a means
of disabling them.

(Bitbake rev: 5a80c0e210f26526afbe8f266b7b1a9c03334967)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Paul Eggleton 2016-12-13 20:07:13 +13:00 committed by Richard Purdie
parent 8d315820aa
commit d856bce542
1 changed files with 2 additions and 1 deletions
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3
bitbake/lib/bb/siggen.py
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@ -101,6 +101,7 @@ class SignatureGeneratorBasic(SignatureGenerator):
def _build_data(self, fn, d):
ignore_mismatch = ((d.getVar("BB_HASH_IGNORE_MISMATCH", True) or '') == '1')
tasklist, gendeps, lookupcache = bb.data.generate_dependencies(d)
taskdeps = {}
@ -135,7 +136,7 @@ class SignatureGeneratorBasic(SignatureGenerator):
data = data + str(var)
datahash = hashlib.md5(data.encode("utf-8")).hexdigest()
k = fn + "." + task
if k in self.basehash and self.basehash[k] != datahash:
if not ignore_mismatch and k in self.basehash and self.basehash[k] != datahash:
bb.error("When reparsing %s, the basehash value changed from %s to %s. The metadata is not deterministic and this needs to be fixed." % (k, self.basehash[k], datahash))
self.basehash[k] = datahash
taskdeps[task] = alldeps