py27-pynacl @1.2.1_1 does not build on PPC Leopard, Mac OS X 10.5.8, because Symbol not found: _PyUnicodeUCS2_FromObject

[ballapete (Peter "Pete" Dyballa)]

Making install in default
make[3]: Nothing to be done for `install-exec-am'.
make[3]: Nothing to be done for `install-data-am'.
make[3]: Nothing to be done for `install-exec-am'.
make[3]: Nothing to be done for `install-data-am'.
make[2]: Nothing to be done for `install-exec-am'.
 /opt/local/bin/gmkdir -p '/opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports.org_macports_release_tarballs_ports_python_py-pynacl/py27-pynacl/work/PyNaCl-1.2.1/build/temp.macosx-10.5-ppc-2.7/lib/pkgconfig'
 /opt/local/bin/ginstall -c -m 644 libsodium.pc '/opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports.org_macports_release_tarballs_ports_python_py-pynacl/py27-pynacl/work/PyNaCl-1.2.1/build/temp.macosx-10.5-ppc-2.7/lib/pkgconfig'
running build_ext
generating cffi module 'build/temp.macosx-10.5-ppc-2.7/_sodium.c'
failed to import Cython: dlopen(/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/Cython/Compiler/Scanning.so, 2): Symbol not found: _PyUnicodeUCS2_FromObject
  Referenced from: /opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/Cython/Compiler/Scanning.so
  Expected in: dynamic lookup

error: Cython does not appear to be installed
Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports.org_macports_release_tarballs_ports_python_py-pynacl/py27-pynacl/work/PyNaCl-1.2.1" && /opt/local/Library/Frameworks/Python.framework/Versions/2.7/bin/python2.7 setup.py --no-user-cfg build 
Exit code: 1
Error: Failed to build py27-pynacl: command execution failed

but

pete 228 /\ port -v installed | grep cython
  cython_select @0.1_0 (active) platform='darwin 9' archs='noarch' date='2014-09-23T22:14:09+0200'
  py27-cython @0.27.3_0 (active) platform='darwin 9' archs='ppc' date='2017-11-11T21:59:19+0100'

[ballapete (Peter "Pete" Dyballa)]

Main.log from PPC Leopard

[ballapete (Peter "Pete" Dyballa)]

The package built after I rebuilt py27-cython @0.27.3 from source.

[ballapete (Peter "Pete" Dyballa)]

Python 2.7 has gone, so this ticket can be closed as well.

[cooljeanius (Eric Gallager)]

Replying to ballapete:

Python 2.7 has gone, so this ticket can be closed as well.

The py27-pynacl port still exists, though.