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This patch isn't strictly necessary to get python going on x86, that should 
work just fine as it is right now. The trunk builds fine for me, except for libffi 
but that's a know issue and high on my list.

The primary reason for this patch is to be able to build a universal binary 
distribution of python on 10.4 and then use the result on 10.3. Without this 
patch you won't be able to build extensions on 10.3 in that scenario because 
distutils will use some compiler flags that aren't valid for the compiler that 
ships with 10.3.

I'll check this in.