Thanks Martin, your pointer set me on the track. Building Zope now works fine.
However, buildout derails shortly afterwards:
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Generated script 'E:\\buildout\\plone4coredev\\bin\\mkzopeinstance'.
Generated script 'E:\\buildout\\plone4coredev\\bin\\runzope'.
File "E:\buildout\plone4coredev\bin\mkzopeinstance.exe", line 1
SyntaxError: Non-ASCII character '\x90' in file E:\buildout\plone4coredev\bin\mkzopeinstance.exe on line 1, but no encoding declared;
see
http://www.python.org/peps/pep-0263.html for details
While:
Installing instance.
An internal error occured due to a bug in either zc.buildout or in a
recipe being used:
Traceback (most recent call last):
File "e:\buildout\plone4coredev\eggs\zc.buildout-1.4.1-py2.6.egg\zc\buildout\buildout.py", line 1659, in main
getattr(buildout, command)(args)
File "e:\buildout\plone4coredev\eggs\zc.buildout-1.4.1-py2.6.egg\zc\buildout\buildout.py", line 532, in install
installed_files = self[part]._call(recipe.install)
File "e:\buildout\plone4coredev\eggs\zc.buildout-1.4.1-py2.6.egg\zc\buildout\buildout.py", line 1203, in _call
return f()
File "e:\buildout\plone4coredev\src\plone.recipe.zope2instance\src\plone\recipe\zope2instance\__init__.py", line 88, in install
) == 0
AssertionError
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Could the cause be, that I'm not using "setuptools" but "distribute" (distribute-0.6.6-py2.6.egg, 32 bit Python, Windows 7) ? This worked fine on Linux, but on Windows some black magic involving generated *.exe / *-script.py files seems to fail.