Chris Novakovic authored May 05, 2021 and Natanael Copa committed May 06, 2021

Also bump community/python3-tkinter to 3.8.10.

* Add autoconf-archive as a build-time dependency of python3.
* Remove obsolete configure options --disable-rpath and --enable-threads.
* Skip test_asyncio due to hanging on all architectures (this test is
  constantly being patched upstream to fix this problem).