Use eggs instead of distutils.
Remove patch-aa as it no longer applies.
Add licenses/zpl and add zpl to mk/license.mk:DEFAULT_ACCEPTABLE_LICENSES.
Patch posted to pkgsrc-users@ and okayed by agc@.
- assume that Python 2.4 and 2.5 are compatible and allow checking for
fallout.
- remove PYTHON_VERSIONS_COMPATIBLE that are obsoleted by the 2.3+
default. Modify the others to deal with the removals.