[Distutils] 2 platforms down, only Mac to go...

[Bob Ippolito]

On Jan 16, 2006, at 3:21 PM, Michael Twomey wrote:

> On 14/01/06, Phillip J. Eby <pje at telecommunity.com> wrote:
>>
>> I wonder, though, if perhaps what's happening in the configuration  
>> that
>> currently works, is that the path is being interpreted as "bundle  
>> relative"
>> to the extension.  This is fine and is really what we want, but  
>> I'm not
>> sure that it can be done with older Mac OSes.  I seem to recall that
>> bundle-relative linking was added in 10.4?  Or was it 10.3?  I  
>> need to
>> start actually *using* a Mac one of these days.  :)
>>
>
> I think it was in 10.3 (the MACOSX_DEPLOYMENT_TARGET affects this),
> I'm pretty sure it was the "-undefined dynamic_lookup" which got
> introduced, which had a big impact on shared libraries in bundles. I'm
> not sure how this would affect the linking stuff above, it is "used to
> allow any undefined symbols to be looked up dynamically at runtime"
> according to the man page.

You are correct, MACOSX_DEPLOYMENT_TARGET=10.3 allows you to use - 
undefined dynamic_lookup.  However, requiring Mac OS X 10.4 would  
allow you to use @loader_path [1], which would let you skip out on  
the chdir hack.

[1] http://developer.apple.com/releasenotes/DeveloperTools/dyld.html

-bob