[Pythonmac-SIG] Upgrading /usr/bin/python to 2.3.1?

[Bob Ippolito]

On Feb 10, 2004, at 8:34 AM, Jack Jansen wrote:

>
> On 9-feb-04, at 20:25, Bob Ippolito wrote:
>> 1) Your bundle is broken, you forgot to link something and have more 
>> undefined symbols than you should.. easy to figure out by importing 
>> it from the interpreter or linking it with -framework Python instead 
>> of -undefined dynamic_lookup.
>
> This is the situation I'm worried about (and the same goes for Ronald, 
> I think). You forget to link against a library at build time, and 
> because you're using -undefined dynamic_lookup you are not getting any 
> errors. Only at runtime will you suddenly get the error.
>
> To answer the questions of Bill and Chris: the situation with Bob's 
> mods is very similar to the situation on other unixen. However, I 
> think that dynamic linking is one of the areas where both MacOS (8 and 
> later) and even Windows have a much better design than Unix: the 
> binding from undefined symbols to specific symbols defined in specific 
> libraries is done at link time.
>
> But, as they say, practicality beats purity...

We know how to check for those errors.. import the module, or link with 
-framework Python instead of -undefined dynamic_lookup.  I'd just 
rather not see the latter be the deployment linking options!  Besides, 
you need to worry about those errors on other platforms anyhow.

-bob

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