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# which is NULL safe with PY_DECREF which is not.)
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# <https://bugs.launchpad.net/bzr/+bug/449372>
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# <https://bugs.launchpad.net/bzr/+bug/276868>
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print(('your version of pyrex "%s". Please upgrade your pyrex'
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print('install. For now, the non-compiled (python) version will')
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print('be used instead.')
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add_pyrex_extension('breezy._readdir_pyx')
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ext_modules.append(Extension('breezy._patiencediff_c',
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['breezy/_patiencediff_c.c']))
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if have_pyrex and pyrex_version_info < LooseVersion("0.9.6.3"):