python --with-pydebug build segfaults metakit
Jack Diederich <[email protected]>
| Newsgroups | gmane.comp.db.metakit |
|---|---|
| Message-ID | <[email protected]> |
I emailed JCW directly earlier (his address is in the README, I
didn't find this mailing list until later).
If you build metakit using a --with-python that ponits to a
debug build of python it will segfault. I'm fairly certain this
is due to the HEAD struct being different than what is expected.
Specifically I think the _ob_next and _ob_prev members (which are
only in debug builds) are corrupted or not set. ob_refcnt's
seem to be correct, the segfault comes when python is trying
to assert references during object teardown.
C++ classes that are also valid PyObject pointers are tricky,
the initialization has to be just right. I don't personally
know enough to fix it.
# crashme.py
import metakit
db = metakit.storage('test.mk', 1)
metakit 2.4.93, python 2.3.3, gcc 2.95.4 (Debian prerelease)
TIA,
-jack
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