smart 0.50 requires python >= 2.4? (smart/ccache.so: undefined symbol: Py_VISIT)

[Gustavo Niemeyer]

Hello Axel,

> smart 0.50 introduced a dependency on Py_VISIT, which AFAIK is only
> available on python >= 2.4

That's actually a macro, and I wasn't aware it had been
introduced after 2.4.  It may be easily translated to the code
resulting from the macro expansion, and that should be compatible
with pre-2.4 versions.

An even better approach is to define these macros locally, taking
them from objimpl.h of 2.4+, and enclosing them in an #ifndef.

I've done that in revision 854 in the repository.  Can you please
try applying it as a local patch?

-- 
Gustavo Niemeyer
http://niemeyer.net