[Pythonmac-SIG] Unwanted PPC build in setuptools

[Ronald Oussoren]

On 19 Oct, 2009, at 22:47, Chris Fonnesbeck wrote:

> Is there any way of convincing setuptools to *not* build for PPC? For
> some reason, it tries to build a universal binary by default:
>
> g++ -arch i386 -arch ppc -isysroot /Developer/SDKs/ 
> MacOSX10.4u.sdk ...etc
>
> Which results in errors:
>
> ld warning: in /Developer/SDKs/MacOSX10.4u.sdk/Library/Frameworks/ 
> Python.framework/Versions/4.3.0/lib/libz.dylib,
> file is not of required architecture
> ld: in /Developer/SDKs/MacOSX10.4u.sdk/Library/Frameworks/ 
> Python.framework/Versions/4.3.0/lib/libz.1.dylib,
> file is not of required architecture for architecture ppc
>
> I have no interest in building universals -- how can I switch this
> off? I already tried putting "-arch i386" in my LDFLAGS, but to no
> avail.

Add ['-arch', 'i386'] to both extra_compile_args and extra_link args  
of the Extension objects.

BTW. The path's in the error-messages above are fishy, there shouldn't  
be a '4.3.0' version in Python.framework.

Ronald
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